Routine Maintenance - Cornerstone OnDemand

Symantec Corporation

NetBackup 5020

Release 1.2

Routine Maintenance

Issue 01

Date 2010-12-10

Part Number


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Copyright © Symantec Corporation.2010. All rights reserved.

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NetBackup 5020

Routine Maintenance Contents

Issue 01 (2010-12-10) Symantec Corporation i

Contents

About This Document ........................................................................................................... B.1.1-1

1 Safety Precautions ...................................................................................................................... 1-1

1.1 Warning and Safety Identifier ....................................................................................................................... 1-1

1.2 ESD Prevention ............................................................................................................................................. 1-3

1.3 Laser Safety ................................................................................................................................................... 1-3

1.4 Using Optical Fiber ....................................................................................................................................... 1-4

1.5 Short-Circuit Protection ................................................................................................................................ 1-5

1.6 Electrical Safety ............................................................................................................................................ 1-5

2 Overview of Routine Maintenance ........................................................................................ 2-1

2.1 Purpose .......................................................................................................................................................... 2-1

2.2 Maintenance Items and Periods ..................................................................................................................... 2-1

2.3 Tools .............................................................................................................................................................. 2-2

3 Guide to Routine Maintenance on Equipment Site ............................................................ 3-1

3.1 Checking Equipment Running Environment ................................................................................................. 3-1

3.2 Checking the Internal Cabinet Environment ................................................................................................. 3-2

3.3 Checking Indicator Status ............................................................................................................................. 3-5

4 Guide to the Routine Maintenance Using the System Monitor Interface ...................... 4-1

4.1 Viewing Hardware Alerts .............................................................................................................................. 4-2

4.2 Checking the CPU Status .............................................................................................................................. 4-5

4.3 Viewing the Disk Status ................................................................................................................................ 4-7

4.4 Check the RAID Group Status .................................................................................................................... 4-10

4.5 Checking the Fan Status .............................................................................................................................. 4-12

4.6 Checking the Power Supply Status.............................................................................................................. 4-14

4.7 Checking Temperature ................................................................................................................................ 4-16

A Maintenance Record ............................................................................................................... A-1

B How to Obtain Help................................................................................................................. B-1

B.1 Preparations For Contacting Symantec........................................................................................................ B-1

B.1.1 Collecting Troubleshooting Information ............................................................................................ B-1

B.1.2 Making Debugging Preparations ........................................................................................................ B-2

B.2 How to Use the Document ........................................................................................................................... B-2

Contents

NetBackup 5020

Routine Maintenance

ii Symantec Corporation Issue 01 (2010-12-10)

B.3 Technical Support ........................................................................................................................................ B-2

B.3.1 Contacting Technical Support ............................................................................................................ B-2

B.3.2 Licensing and Registration ................................................................................................................. B-3

B.3.3 Customer Service ............................................................................................................................... B-3

B.3.4 Maintenance Agreement Resources.................................................................................................... B-3

B.3.5 Additional Enterprise Services ........................................................................................................... B-4

C Acronyms and Abbreviations ................................................................................................ C-1

NetBackup 5020

Routine Maintenance Figures

Issue 01 (2010-12-10) Symantec Corporation iii

Figures

Figure 3-1 Front view ......................................................................................................................................... 3-5

Figure 3-2 Rear view .......................................................................................................................................... 3-6

Figure 3-3 10GE NIC ......................................................................................................................................... 3-8

Figure 4-1 Login interface .................................................................................................................................. 4-2

Figure 4-2 Main interface of the NetBackup 5020 ............................................................................................. 4-3

Figure 4-3 System monitoring interface ............................................................................................................. 4-3

Figure 4-4 Hardware Alerts option .................................................................................................................. 4-4

Figure 4-5 Alarm list .......................................................................................................................................... 4-4

Figure 4-6 CPU option ....................................................................................................................................... 4-6

Figure 4-7 CPU status ........................................................................................................................................ 4-6

Figure 4-8 Disk option ....................................................................................................................................... 4-8

Figure 4-9 Disk status ......................................................................................................................................... 4-8

Figure 4-10 RAID option ................................................................................................................................. 4-10

Figure 4-11 RAID group status ........................................................................................................................ 4-11

Figure 4-12 Fan option .................................................................................................................................... 4-13

Figure 4-13 Fan status ...................................................................................................................................... 4-13

Figure 4-14 Power supply option .................................................................................................................... 4-15

Figure 4-15 Power supply status ...................................................................................................................... 4-15

Figure 4-16 Temperature option ..................................................................................................................... 4-17

Figure 4-17 Temperature information .............................................................................................................. 4-18

NetBackup 5020

Routine Maintenance Tables

Issue 01 (2010-12-10) Symantec Corporation v

Tables

Table 1-1 Identifiers and meanings ..................................................................................................................... 1-2

Table 2-1 Routine Maintenance Items and Periods ............................................................................................ 2-2

Table 2-2 Maintenance Tools and Their Functions ............................................................................................. 2-2

Table 3-1 Routing Maintenance Items for the Equipment Room ....................................................................... 3-2

Table 3-2 Table of Check Items for the Internal Cabinet Environment .............................................................. 3-3

Table 3-3 Description of the indicators of the front view of NetBackup 5020 ................................................... 3-5

Table 3-4 Description of the indicators of the rear view of NetBackup 5020..................................................... 3-7

Table 3-5 Description of the indicators of the 10GE NIC .................................................................................. 3-8

Table 4-1 Description of alarm parameters ......................................................................................................... 4-4

Table 4-2 Description of parameters related to the CPU status .......................................................................... 4-7

Table 4-3 Description of parameters related to the disk status ........................................................................... 4-8

Table 4-4 Description of parameters related to the RAID group status ............................................................ 4-11

Table 4-5 Description of parameters related to the fan status ........................................................................... 4-14

Table 4-6 Description of parameters related to the power supply status .......................................................... 4-16

Table 4-7 Description of parameters related to temperature ............................................................................. 4-18

NetBackup 5020

Routine Maintenance About This Document

Issue 01 (2010-12-10) Symantec Corporation B.1.1-1

About This Document

Product Version

The following table lists the product version related to this document.

Product Name Product Version

NetBackup 5020 Release 1.2

Intended Audience

This document describes maintenance items of the NetBackup 5020 in terms of maintenance

purpose, period, standards, and procedure.

This document is intended for:

Network monitoring engineer

System maintenance engineer

Field maintenance engineer

Symbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol Description

Indicates a hazard with a high level of risk, which if not

avoided, could result in death or serious injury.

Indicates a hazard with a medium or low level of risk,

which if not avoided, could result in minor or moderate

injury.

Indicates a potentially hazardous situation, which if not

avoided, could result in equipment damage, data loss,

performance degradation, or unexpected results.

About This Document

NetBackup 5020

Routine Maintenance

B.1.1-2 Symantec Corporation Issue 01 (2010-12-10)

Symbol Description

Indicates a tip that may help you solve a problem or save

time.

Provides additional information to emphasize or

supplement important points of the main text.

Update History

Updates between document revisions are cumulative. Therefore, the latest version of this

document contains all of the updates that were made in previous versions.

Updates in Issue 01(2010-12-10)

Initial commercial release.

NetBackup 5020

Routine Maintenance 1 Safety Precautions

Issue 01 (2010-12-10) Symantec Corporation 1-1

1 Safety Precautions

About This Chapter

This section describes the precautions for routine maintenance.

1.1 Warning and Safety Identifier

When you install and maintain equipment, observe warning and safety identifier precautions

to prevent personal injury or equipment damage.

1.2 ESD Prevention

When you install and maintain equipment, follow safety precautions of ESD prevention to

ensure personal safety and avoid equipment damage.

1.3 Laser Safety

When you install and maintain the device, you must follow the laser safety precautions to

ensure the safety of the human body and the device.

1.4 Using Optical Fiber

You should use optical fibers properly to ensure the normal running of the device; otherwise,

bodily injury or device damage may be caused.

1.5 Short-Circuit Protection

When you install or maintain the device, use tools according to the regulations to avoid short

circuit as a result of metallic tools.

1.6 Electrical Safety

When you install and maintain the equipment, follow the electrical safety precautions to avoid

device damage or bodily injury.

1.1 Warning and Safety Identifier

When you install and maintain equipment, observe warning and safety identifier precautions

to prevent personal injury or equipment damage.

Table 1-1 lists the warning and safety identifiers on the NetBackup 5020 and their meanings.


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Routine Maintenance

1-2 Symantec Corporation Issue 01 (2010-12-10)

Table 1-1 Identifiers and meanings

Identifier Meaning

ESD prevention identifier

When you perform operations at this area take strict

measures, such as wearing electrostatic discharge

(ESD) preventive gloves or an ESD preventive wrist

strap, to avoid electrostatic injuries.

Sub-rack grounding identifier

Indicates the grounding position.

Warning for removing or inserting the system disks

Indicates that you should not remove or insert the

system disks at will.

Weight warning identifier

Indicates that you should pay attention to the weight of

the device before you move it.

Power warning identifier

Indicates that you should shut off all power supplies to

power off the device.

Warning identifier for reading the manual

Indicates that you should read the manual before

operating the device.

Operation identifier for opening the chassis cover

Indicates the procedure for opening the chassis cover.

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Identifier Meaning

Drive number identifier

Indicates the slot where a disk resides.

The disks in slot0 and slot 1 are system disks.

1.2 ESD Prevention

When you install and maintain equipment, follow safety precautions of ESD prevention to

ensure personal safety and avoid equipment damage.

indicates an electrostatic sensitive area. When performing operations at this area

take strict measures, such as wearing an ESD preventive wrist strap, ESD preventive gloves,

and ESD preventive clothes, to avoid personal injuries or device damages caused by static

electricity.

To protect the devices, note the following:

Do not touch the exposed device modules with bare hands because the static electricity

of the human body may damage the electrostatic sensitive elements on the circuit boards.

The ESD preventive wrist strap can prevent devices from being damaged by static

electricity from the human body.

To avoid personal injuries or device damage caused by static electricity, you need to

wear ESD gloves or an ESD preventive wrist strap before installation or replacement.

When you carry and move parts, a dedicated ESD preventive bag is required.

1.3 Laser Safety

When you install and maintain the device, you must follow the laser safety precautions to

ensure the safety of the human body and the device.

Laser safety precautions include two aspects:

Human body injury

Device damage


NetBackup 5020

Routine Maintenance


Human Body Injury

The laser sent by the optical interface board is an invisible infrared ray. While maintaining the

device, protect your eyes from the laser; otherwise, the laser may cause permanent injury to

your eyes.

Device Damage

To prevent damage to the device, observe the following:

If the optical interface on the device or on the patch cord is not in use, cover the optical

interface with a dust-proof cap.

When you need to remove the patch cord connected to the optical interface in use, cover

the optical interface and the patch cord connector with dust-proof caps.

When you perform the loopback test on the optical interface with the patch cord, you

must use an attenuator to protect the optical transceiver from the received optical power.

When you use the optical time domain reflectometer (OTDR), disconnect the patch cord

between the peer device and the local device to protect the optical transceiver from the

optical power.

Do not remove or insert the optical transceiver that connects to fiber during operation.

1.4 Using Optical Fiber

You should use optical fibers properly to ensure the normal running of the device; otherwise,

bodily injury or device damage may be caused.

The laser beam of the optical interface board or inside the optical fiber may injure your eyes!

When you install and maintain the optical interface board and the optical fiber, keep your eyes

away from, and never stare into the optical interface or the optical fiber connector.

Cleaning Optical Fiber Connectors and Optical Interfaces

The optical fiber connectors and the optical interfaces of the laser must be cleaned with

special cleaning tools and materials listed as follows:

Special cleaning solvent. Isoamylol is preferred, propyl alcohol is the acceptable, alcohol

is not recommended and formalin is forbidden

Non-woven lens tissue.

Special compressed gas

Cotton swabs (medical cotton swab or other long-staple cotton)

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Special cleaning roll (used with Isoamylol)

Special magnifier for optical connectors

Replacing Optical Fibers

When replacing the optical fiber, cover the optical connector that is not in use with dust-proof

caps.

1.5 Short-Circuit Protection

When you install or maintain the device, use tools according to the regulations to avoid short

circuit as a result of metallic tools.

Do not place tools, such as the screwdriver on the air intake board of the enclosure; otherwise,

short circuit may occur.

Avoid dropping screw into the sub-rack or the device; otherwise, short circuit may occur.

1.6 Electrical Safety

When you install and maintain the equipment, follow the electrical safety precautions to avoid

device damage or bodily injury.

Power On and Power Off

Before you check the installation and cable connections, ensure that the entire storage system

is powered off. If there is improper connection, you or the device could be damaged during

the check.

If you need to perform hot-line operations and the cables that you touch are power cables, you

must take off the ESD-preventive wrist strap.

During power-on, do not insert or remove the cable. Otherwise, data might be lost.

After switching off the power supply, wait at least one minute before switching on the

power supply again.


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Routine Maintenance


Do not switch off or on the power before disks stop running. Otherwise, disks may be

damaged and data could be lost.

Troubleshooting

Do not touch the connectors of electrical wires and communication cables, as the electricity

inside the electrical wires and communication cables could result in electrical shock.

When you operate a device in the ESD-sensitive area, you must take ESD-preventive

measures, such as wearing an ESD-preventive wrist strap, ESD-preventive clothes , and

ESD-preventive gloves.

Monitor the following items during troubleshooting:

Do not troubleshoot a device during an electrical storm.

Check that the power cables are intact and effective grounding measures are taken.

Keep the troubleshooting area clean and dry.

NetBackup 5020

Routine Maintenance 2 Overview of Routine Maintenance


2 Overview of Routine Maintenance

About This Chapter

This section describes safety precautions and purpose of routine maintenance, required tools.

and maintenance items.

2.1 Purpose

To verify that the equipment environment and status are functional. To maintain the

equipment in good condition through equipment cleaning and maintenance.

2.2 Maintenance Items and Periods

This section describes the maintenance items and the period for each maintenance item.

2.3 Tools

This section describes the maintenance tools and their functions.

2.1 Purpose

To verify that the equipment environment and status are functional. To maintain the

equipment in good condition through equipment cleaning and maintenance.

To understand the running status and trends of the equipment and network in real time,

so as to improve the efficiency in responding to emergencies by checking the current

equipment status;

To promptly detect alarms from equipment or equipment defects and take appropriate

measures to clear the alarms and correct the defects, to keep the equipment operational.

2.2 Maintenance Items and Periods

This section describes the maintenance items and the period for each maintenance item.

Table 2-1 lists the routine maintenance items and periods.

2 Overview of Routine Maintenance

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Routine Maintenance


Table 2-1 Routine Maintenance Items and Periods

Maintenance Owner

Maintenance Site

Maintenance Item Suggested Maintenance Period

Maintenance

engineers

Device site Checking equipment

running environment

Checking environment

inside the cabinet

Checking device

indicator status

It is recommended to

check the environment

inside the cabinet

every month and other

items every day.

Network

monitoring

engineers

Management

software site

Viewing Hardware

Alerts

Checking the CPU

status

Checking the Disk

status

Checking the RAID

status

Checking the Fan

status

Checking the Power

Supply status

Checking Temperature

It is recommended to

check the alarm

information every day

and other items every

week.

2.3 Tools

This section describes the maintenance tools and their functions.

Table 2-2 lists the tools used for routine maintenance.

Table 2-2 Maintenance Tools and Their Functions

Tool Function

Windows PC Runs the System Monitor Interface, to checks the

running status of the device.

Fiber cleaning toola Use special-purpose cleaning tools and materials to

avoid damage to fiber connectors.

Thermometer Measures the temperature of the equipment room

Hygrometer Measures the humidity of the equipment room

ESD preventive wrist strap Used to avoid personal injuries or device damage

caused by static electricity

a. Use this tool for the 10GE NIC with fiber ports.

NetBackup 5020

Routine Maintenance 2 Overview of Routine Maintenance


NetBackup 5020

Routine Maintenance 3 Guide to Routine Maintenance on Equipment Site


3 Guide to Routine Maintenance on Equipment Site

About This Chapter

This section describes the required items for routine maintenance.

3.1 Checking Equipment Running Environment

This section describes the criteria for checking the equipment room. Checking the equipment

room helps administrators know equipment room conditions and adjust the environment to

avoid device faults due to the environmental conditions.

3.2 Checking the Internal Cabinet Environment

This section describes the criteria for checking the cabinet, helping to ensure the cabinet

environment and avoid faults due to environmental issues.

3.3 Checking Indicator Status

This section details indicators for the NetBackup 5020.

3.1 Checking Equipment Running Environment

This section describes the criteria for checking the equipment room. Checking the equipment

room helps administrators know equipment room conditions and adjust the environment to

avoid device faults due to the environmental conditions.

Reference Standard

Storage devices require a reliable running environment. Usually, these are installed in a

dedicated equipment room with a dedicated air-conditioning system and a redundant power

system. Maintenance items are listed in Table 3-1.


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Routine Maintenance


Table 3-1 Routing Maintenance Items for the Equipment Room

Maintenance Items

Maintenance Guide Reference Criteria

Operating

temperature

The thermometer in the

equipment room.

(1) The temperature should range

between 5 ℃ and 35℃.

(2) If the equipment room

temperature fails to meet the

requirement, repair or replace the

air-conditioning system.

Operating humidity Hygrometer in the equipment

room.

(1) The relative humidity should

range between 10% and 85%.

(2) If the relative humidity is too

high, install a dehumidifier; if the

value is too small, install a

humidifier.

Fire safety Check key locations, such as

the power distribution box,

cabinet, frames and cabling

troughs; check the fire

facilities.

All parts should be free of fire

hazard. All fire facilities in the

equipment room are functional

and in good condition.

Dust Check the cabinet surface and

inside, equipment room floor

and worktable surface.

All parts must be clean and

dust-free.

Cabinet power

supply

Check the power supply of

each cabinet.

Each cabinet has two separate

channels of power input.

Procedure Measure the operating temperature and humidity using the thermometer and hygrometer.

Follow the instructions given in the routine maintenance items Table 3-1 if any of the

preceding items fails.

----End

Exception Handling If the operating environment or humidity fails to meet the operating requirement, adjust

the temperature or humidity through the air-conditioning system to the required levels.

If the power system fails to meet the requirement, install two separate power supply lines

and a transformer with a sufficient capacity.

3.2 Checking the Internal Cabinet Environment

This section describes the criteria for checking the cabinet, helping to ensure the cabinet

environment and avoid faults due to environmental issues.

NetBackup 5020



Reference Standard

Items to check include internal cabinet power supply and service cable labeling. Table 3-2

lists these items.

Table 3-2 Table of Check Items for the Internal Cabinet Environment

Maintenance Items


Power system

maintenance

(1) Check whether the power

input and output terminal

blocks of each cabinet's power

distribution frame are in good

condition. Check for corrosion,

overcurrent, and overheating.

(2) Check whether the power

input terminal block, power

socket and connector of each

cabinet's power distribution

frame are in good condition.

Check for corrosion,

overcurrent, and overheating.

(3) Use a multimeter to

measure the input and output

voltage of the power

distribution frame.

(1) All connecting parts are tight

and free from loosening and

corrosion.

(2) All equipment is free from

deformation and evidence of

long-term overheating at

contacts.

(3) Given an input voltage of 110

V AC, the measured voltage

should range from 100 V to 127

V; given an input voltage of 220

V AC, the measured voltage

should range from 200 V to 240

V.

Cable system

maintenance

Check all power, grounding

and signal cables in the cabinet

for defects or hazards such as

damage, aging, corrosion or

flash burn.

All cables are free from damage,

aging, corrosion or flash burn

hazards.

Grounding system

maintenance

Check whether all connection

terminals and fastening screws

inside the cabinet are tight.

Check for loosening or

corrosion.

All connecting parts are tight and

free from loosening and

corrosion.

Protective system

maintenance

(1) Check the cabinet top and

inside for cleanliness.

(2) Check whether the

rodent-proof net on each signal

cable outlet at the cabinet top

or bottom is tightly wrapped

and in good condition.

(1) Check the cabinet top and

inside for cleanliness.

(2) All rodent-proof nets should

be tightly wrapped and

undamaged.


NetBackup 5020

Routine Maintenance


Maintenance Items


Dust-proof system

maintenance

(1) Check the cabinet cover for

cleanliness.

(2) Check the air filter at the

cabinet bottom for cleanliness.

(3) Check the air filter gauze at

inner side of the cabinet's front

door for cleanliness.

(1) The cabinet cover and the air

inlet at the cabinet bottom should

be free from dusk and cabinet air

supply is unblocked and the air is

clean.

(2) All air filter frames and gauze

are clean and free from dust.

Cable labeling Check labels are clearly written

and marked and securely

attached.

Labels are clearly and correctly

written and marked and securely

attached.

Procedure

Step 1 Use a multimeter to check the grounding of each cabinet component:

Set the multimeter to the resistance position and connect one lead to a fixed place in the

equipment room (you may need to extend the lead cable) and the other lead to measure

each grounding point inside the cabinet. Given the measuring accuracy, the measured

resistance of each grounding point should be approximately 1 ohm or less. If the

resistance measured at a grounding point exceeds 1 ohm, check the grounding cable,

connecting terminal and fastening screw and make appropriate corrections.

Set the multimeter to the voltage position and connect one lead to a fixed place in the

equipment room (you may need to extend the lead cable) and the other pointer to

measure each grounding point inside the cabinet. Given the measuring accuracy, the

voltage measured at each grounding point should range between 0 V and 5 V. If the

voltage measured at a grounding point is 0 V, the point is not grounded. In the case of a

value larger than 5 V, check the grounding cable, connecting terminal and fastening

screw at the grounding point and make appropriate corrections.

Step 2 Remove the air filter frame from the cabinet bottom. Wash and dry the filter thoroughly and

then place it back into the cabinet.

Step 3 Remove the air filter gauze from the inner side of the cabinet's front door. Dehydrate the

gauze and let it dry. Then, replace.

Step 4 Take out the air deflector from inside the jamb on the cabinet's front side. Use a piece of clean

cotton gauze, an anti-static brush, or a vacuum cleaner. Then replace.

----End

Exception Handling

Follow the instructions given in the troubleshooting guide Table 3-2 if any of the preceding

items are out of specification.

NetBackup 5020



3.3 Checking Indicator Status

This section details indicators for the NetBackup 5020.

Procedure

Check indicator status in the front view of the NetBackup 5020

Figure 3-1 shows the front view of the NetBackup 5020.

Table 3-3 lists the indicator status of the front view of NetBackup 5020.

Figure 3-1 Front view

1 System alarm/location indicator 2 System power indicator

3 Disk online status indicator 4 Disk read/write status indicator

Table 3-3 Description of the indicators of the front view of NetBackup 5020

Location Type Color Status Description

Chassis System power

indicator

Green On The device is powered on.

- Off The device is not powered

on.

System

alarm/location

Red On An alarm occurs to the

device.


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Routine Maintenance



indicator Blinking A fault occurred on the

power module.

Orange On The device is being located

a.

- Off The device is running

normally.

SATA disk

module

Disk online

status indicator

Green On The disk is powered on.

Red On A disk alarm occurred or

the device is being located a.

- Off The disk is not powered on.

Disk read/write

status indicator

Green Blinking The device is transferring

data.

- Off The device is not

transferring data.

a: A location command is sent through the management system.

Check indicator status in the rear view of the NetBackup 5020

Figure 3-2 shows the rear view of the NetBackup 5020.

Table 3-4 lists the indicator status of the rear view of NetBackup 5020.

Figure 3-2 Rear view

1 Power running/alarm

indicator

2 Link indicator for the service network interface

(NIC1/NIC2)

3 Active indicator for the

service network interface

(NIC1/NIC2)

4 Active indicator for the IPMI management

network interface

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5 Link indicator for the IPMI

management network

interface

6 System alarm/location indicator

7 10GE NIC interface

Table 3-4 Description of the indicators of the rear view of NetBackup 5020


Power

module

Power

running/alarm

indicator

Green On The AC power is normal.

Green Blinking The AC input is normal,

but the device is not

powered on.

Orange On A power alarm occurred.

- Off The power module failed

to be powered on or is not

connected to the mains

power supply.

Rear panel Link indicator of

the IPMI

management

network port

Green On The link of the

management network port

is normal.

- Off No link.

Active indicator

of the IPMI

management

network port

Orange Blinking Data is being transferred.

- Off No data is being

transferred.

Link indicator of

the service

network port

(NIC1/NIC2)

Green On Data is being transferred

at a rate of 1,000 Mbit/s.

Orange On Data is being transferred

at a rate of 100 Mbit/s.

- Off Data is being transferred

at a rate of 10 Mbit/s, or

no link.

Active indicator

of service

network port

(NIC1/NIC2)

Yellow Blinking Data is being transferred.

- Off No data is being

transferred.

Check indicator status of the 10GE NIC

Figure 3-3 shows the 10GE NIC of the NetBackup 5020.

Table 3-5 lists the indicator status of the 10GE NIC.


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Routine Maintenance


Figure 3-3 10GE NIC

Table 3-5 Description of the indicators of the 10GE NIC


10GE NIC ACT/LNK Green Blinking The link is normal and data is

being transferred.

Green On The link is normal.

- Off No link.

GRN=10GE - Off No link.

Green On Data is being transferred at a

rate of 10 Gbit/s.

Yellow On Data is being transferred at a

rate of 1 Gbit/s.

----End

Exception Handling System power indicator

If the indicator is off, see "Device Cannot Be Powered On" in the NetBackup 5020

Hardware Troubleshooting Guide.

System alarm/location indicator

If the indicator is on, see "System Alarm/Location Indicator Is Red On" in the

NetBackup 5020 Hardware Troubleshooting Guide.

Disk online status indicator

− If the disk online status indicator blinks red, see "Disk Online Status Indicator Is Red

On" in the NetBackup 5020 Hardware Troubleshooting Guide.

NetBackup 5020



− If the indicator remains off, unplug and then plug in the disk module.

− If the problem persists, replace the disk module.

− If the problem still persists, contact technical support.

Power running/alarm indicator

− If the power running/alarm indicator blinks orange, see Symptom 1 mentioned in

"Power Module Alarm" in the NetBackup 5020 Hardware Troubleshooting Guide.

− If the power running/alarm indicator remains off, reinsert the power module.

− If the problem persists, replace the power module.


Fan running/alarm indicator

− If the fan running/alarm indicator blinks orange, see "Fan Running/Alarm Indicator Is

Red On" in the NetBackup 5020 Hardware Troubleshooting Guide.

− If the fan running/alarm indicator remains off, unplug and then plug in the fan

module.

The NetBackup 5020 must be powered off before replacement of a fan. A scheduled outage

period must be arranged.

− If the problem persists, replace the fan module.


Link indicator for the IPMI management network port

− If the link indicator remains off, unplug and then plug in the network cable.

− If the problem persists, replace the network cable.


Link indicator for the service network port (NIC1/NIC2)

− If the link indicator remains off, unplug and then plug in the network cable.



ACT/LNK indicator for the 10GE NIC

− If the ACT/LNK indicators for the 10GE NIC remains off, unplug and then plug in

the network cable.



NetBackup 5020

Routine Maintenance

4 Guide to the Routine Maintenance Using the System

Monitor Interface


4 Guide to the Routine Maintenance Using the System Monitor Interface

About This Chapter

This section describes the maintenance items using the system monitor interface, including

viewing alarms and querying hardware status.

4.1 Viewing Hardware Alerts

This section describes how to view hardware alerts on the system monitoring interface of the

NetBackup 5020 management software. By viewing current hardware alerts, you can know

whether errors occur on the hardware and timely correct the errors.

4.2 Checking the CPU Status

This section describes how to check the CPU status on the system monitoring interface. By

checking the status of the CPU, you can know whether the CPU works normally.

4.3 Viewing the Disk Status

This section describes how to check the disk status on the system monitoring interface. By

checking the disk status, you can know whether the disk works normally.

4.4 Check the RAID Group Status

This section describes how to check the RAID group status on the system monitoring

interface. By checking the RAID group status, you can know whether the RAID group works

normally.

4.5 Checking the Fan Status

This section describes how to check the fan status on the system monitoring interface. By

checking the fan status, you can know whether the fan works normally.

4.6 Checking the Power Supply Status

This section describes how to check the power supply status on the system monitoring

interface. By checking the power supply status, you can know whether the power supply

works normally.

4.7 Checking Temperature

This section describes how to check the temperature on the system monitoring interface.


Monitor Interface

NetBackup 5020

Routine Maintenance


4.1 Viewing Hardware Alerts

This section describes how to view hardware alerts on the system monitoring interface of the

NetBackup 5020 management software. By viewing current hardware alerts, you can know

whether errors occur on the hardware and timely correct the errors.

Impact on the System

None.

Reference Standard

None.

Procedure

Step 1 Log in to the system monitoring interface.

1. Open a browser on a Windows PC. Enter https://xxx.xxx.xxx.xxx in the address bar (the

xxx.xxx.xxx.xxx is the IP address of the service network port of the NetBackup 5020).

Press Enter and the login interface is displayed, as shown in Figure 4-1.

Figure 4-1 Login interface

2. Enter the user name and password respectively in the User Name and Password text

boxes.

The default user name and password are respectively root and root.

3. Click Log on and the main interface of the NetBackup 5020 is displayed, as shown in

Figure 4-2.

NetBackup 5020

Routine Maintenance


Monitor Interface


Figure 4-2 Main interface of the NetBackup 5020

4. Choose Monitor > System and enter the system monitoring interface, as shown in

Figure 4-3.

Figure 4-3 System monitoring interface


Monitor Interface

NetBackup 5020

Routine Maintenance


5. In the navigation tree, unfold the IP address node and check the hardware status.

Step 2 Expand the node in the navigation tree, and then click Hardware Alerts, as shown in Figure

4-4.

Figure 4-4 Hardware Alerts option

Step 3 View hardware alarms in the alarm list, as shown in Figure 4-5. Table 4-1 lists the parameter

description.

Figure 4-5 Alarm list

Table 4-1 Description of alarm parameters

Parameter Description

ID The ID of an alarm, representing an alarm.

Time The time when the alarm occurs. The format is

YYYY-MM-DDThh:mm:ss.

NetBackup 5020

Routine Maintenance


Monitor Interface



Type Alarms can be classified into the following types:

Power Supply: power module

Cooling Device: fan in position

Fan: fan speed

Temperature: temperature sensor

Voltage: voltage sensor

System ACPI Power State: status of system ACPI power supply

Physical Security: sub-rack intrusion

Reserved: self-defined

Source The device on which the alarm is generated.

Description Detailed alarm information.

The format is: alarm description|action; the value of action can be

Deasserted or Asserted:

Deasserted: clearing alarms

Asserted: alarm

----End

Exception Handling

Collect alarms. Based on the alarm, troubleshoot the problem by referring to “System

Alarm/Location Indicator Is Red On” in the NetBackup 5020 Hardware Troubleshooting.

4.2 Checking the CPU Status

This section describes how to check the CPU status on the system monitoring interface. By

checking the status of the CPU, you can know whether the CPU works normally.


None.

Reference Standard

If the CPU is in the Presence detected state, it indicates that the CPU is running normally.

Procedure


For the detailed procedure, see Log into the system monitoring interface.

Step 2 Expand the node in the navigation tree, and then click CPU, as shown in Figure 4-6.


Monitor Interface

NetBackup 5020

Routine Maintenance


Figure 4-6 CPU option

Step 3 View the CPU status, as shown in Figure 4-7. Table 4-2 lists the parameter description.

ID-x indicates CPU x (the value of x is 1 or 2).

Figure 4-7 CPU status

NetBackup 5020

Routine Maintenance


Monitor Interface


Table 4-2 Description of parameters related to the CPU status


Status The state of the CPU.

Presence detected indicates that the CPU is working normally.

Failure detected indicates that the CPU is absent.

Voltage The voltage of the CPU.

The Voltage value ranges between LowWaterMark and

HighWaterMark, that is, between 0.530 Volts and 1.760 Volts.

LowWaterMark Lowest value of the CPU voltage. The value is 0.530 Volts.

HighWaterMark Highest value of the CPU voltage. The value is 1.760 Volts.

ErrorStatus CPU status.

If the value of ErrorStatus is 0, it indicates that a CPU is working

normally.

If the value of ErrorStatus is 1, it indicates that a CPU is working

abnormally.

----End

Exception Handling

If the CPU is in the Failure detected state, contact the technical support engineers.

4.3 Viewing the Disk Status

This section describes how to check the disk status on the system monitoring interface. By

checking the disk status, you can know whether the disk works normally.


None.

Reference Standard The normal state of a system disk is Online.

The normal state of a data disk is Online or Unconfigured(good).

The normal state of a hot spare disk is Hotspare.

Procedure



Step 2 Expand the node in the navigation tree, and then click Disk, as shown in Figure 4-8.


Monitor Interface

NetBackup 5020

Routine Maintenance


Figure 4-8 Disk option

Step 3 View the disk state, as shown in Figure 4-9. Table 4-3 lists the parameter description.

Figure 4-9 Disk status

Table 4-3 Description of parameters related to the disk status


Slot Number The slot number of the disk.

The value can be 0, 1, 2...21, 22, or 23. The corresponding slot

number is a, b, c...v, w, or x.

NOTE

For details on the slot number of a disk, see "Front Panel" in the NetBackup

5020 Product Description.

NetBackup 5020

Routine Maintenance


Monitor Interface



Status The operational state of the disk.

Online indicates that the hard disk is configured in a RAID group

and operates normally.

Hotspare indicates that the disk is hotspare disk.

Rebuild indicates that the disk is being rebuilt.

Unconfigured(good) indicates that the hard disk is not configured

in a RAID group but operates normally.

Unconfigured(bad) indicates that the hard disk is not configured

in a RAID group and failed.

Failed indicates that the disk is configured in a RAID group but is

disabled.

Missing indicates that the disk is missing.

Offline indicates that the member disk in a RAID group is offline.

Capacity The disk capacity. Unit: TB.

NOTE

A 2 Terabyte disk has 2x1012 bytes, this is represented as 1.817 TB.

Type The physical type of the disk. The type of disks in the NetBackup

5020 is SATA.

Enclosure ID The ID of the enclosure in which the disk is.

The value of Enclosure ID is not limited. The default value is 8.

ErrorStatus Hard disk status.

If the value of ErrorStatus is 0, it indicates that a hard disk is

working normally.

If the value of ErrorStatus is 1, it indicates that a hard disk is

working abnormally.

----End

Exception Handling If a disk is in the Rebuild state, wait until it return to Online state.

If Slot Number of a present disk cannot be found in the interface, refer to “Some Disks

Can Not Be Scanned” in the NetBackup 5020 Hardware Troubleshooting.

If a disk is in the Unconfigured (bad), Failed, Missing, or Offline state, replace this

hard disk. For details about how to replace a hard disk, refer to "Replacing a Hard Disk"

in the NetBackup 5020 Hardware Troubleshooting.


Monitor Interface

NetBackup 5020

Routine Maintenance


4.4 Check the RAID Group Status

This section describes how to check the RAID group status on the system monitoring

interface. By checking the RAID group status, you can know whether the RAID group works

normally.


None.

Reference Standard

The normal state of a RAID Group is Optimal.

Procedure



Step 2 Expand the node in the navigation tree, and then click RAID, as shown in Figure 4-10.

Figure 4-10 RAID option

Step 3 View the RAID group status, as shown in Figure 4-11. Table 4-4 lists the parameter

description.

NetBackup 5020

Routine Maintenance


Monitor Interface


Figure 4-11 RAID group status

Table 4-4 Description of parameters related to the RAID group status


Name The name of the RAID group.

Status A RAID group may be in the one of the following states:

Optimal indicates that the RAID group is normal.

Degraded indicates that the RAID group is degraded.

Capacity The capacity of the RAID group. Unit: TB.

Type The level of the RAID group.

The level of a RAID group that consists of system disks is RAID

1.

The level of a RAID group that consists of data disks is RAID 6.

Disks The disks included in the RAID group. The numbers displayed on

the interface are the slot numbers of the corresponding disks.

System disks : disk 0 and disk 1.

Data disks : disk 4 to disk 23.

NOTE

For details on the slot number of a disk, see "Panel" in the NetBackup 5020

Product Description.


Monitor Interface

NetBackup 5020

Routine Maintenance



ErrorStatus RAID group status.

If the value of ErrorStatus is 0, it indicates that a RAID group is

working normally.

If the value of ErrorStatus is 1, it indicates that a RAID group is

working abnormally.

----End

Exception Handling

If the RAID group is in the Degraded state, contact the technical support engineers if the

RAID group does not successfully rebuild automatically.

4.5 Checking the Fan Status

This section describes how to check the fan status on the system monitoring interface. By

checking the fan status, you can know whether the fan works normally.


None.

Reference Standard

The normal state of a fan is Device Present.

Procedure



Step 2 Expand the node in the navigation tree, and then click Fan, as shown in Figure 4-12.

NetBackup 5020

Routine Maintenance


Monitor Interface


Figure 4-12 Fan option

Step 3 View the fan status, as shown in Figure 4-13. Table 4-5 lists the parameter description.

ID-x indicates fan x (the value of x is an integer ranging from 1 to 4).

Figure 4-13 Fan status


Monitor Interface

NetBackup 5020

Routine Maintenance


Table 4-5 Description of parameters related to the fan status


Status The fan state.

Device Present indicates that the fan works normally.

Device Absent indicates that the fan is faulty.

Speed The rotational speed of the fan.

The value of the rotational speed ranges between LowWaterMark

and HighWaterMark, that is, between 1,974 RPM and

11,468RPM.

LowWaterMark Lowest value of the fan rotational speed. The value is 1,974 RPM.

HighWaterMark Highest value of the fan rotational speed. The value is 11,468 RPM.

ErrorStatus Fan status.

If the value of ErrorStatus is 0, it indicates that a fan is working

normally.

If the value of ErrorStatus is 1, it indicates that a fan is working

abnormally.

----End

Exception Handling

If the fan is in the Device Absent state, see “Fan Running/Alarm Indicator Is Red On” in the

NetBackup 5020 Hardware Troubleshooting.

4.6 Checking the Power Supply Status

This section describes how to check the power supply status on the system monitoring

interface. By checking the power supply status, you can know whether the power supply

works normally.


None.

Reference Standard

The normal state of a power supply is Presence detected.

Procedure



NetBackup 5020

Routine Maintenance


Monitor Interface


Step 2 Expand the node in the navigation tree, and then click Power Supply, as shown in Figure

4-14.

Figure 4-14 Power supply option

Step 3 View the power supply status, as shown in Figure 4-15. Table 4-6 lists the parameter

description.

ID-x indicates power supply x (the value of x is 1 or 2).

Figure 4-15 Power supply status


Monitor Interface

NetBackup 5020

Routine Maintenance


Table 4-6 Description of parameters related to the power supply status


Status The running state of the power supply.

Presence detected indicates that the power supply works

normally.

Failure detected indicates that the power supply is absent or

faulty.

Wattage The power value of the power supply. Unit: Watts.

The value of Wattage ranges between LowWaterMark and

HighWaterMark, that is, between 1 Watts and 700 Watts.

LowWaterMark Lowest value of the power supply. The value is 1 Watts.

HighWaterMark Highest value of the power supply. The value is 700 Watts.

ErrorStatus Power supply status.

If the value of ErrorStatus is 0, it indicates that a power supply is

working normally.

If the value of ErrorStatus is 1, it indicates that a power supply is

working abnormally.

----End

Exception Handling

If the power supply is in the Failure detected state, see “Power Module Alarm” in the

NetBackup 5020 Hardware Troubleshooting.

4.7 Checking Temperature

This section describes how to check the temperature on the system monitoring interface.


None.

Reference Standard

The normal temperature of the Intake Vent Temp, Outtake Vent Temp, and Backplane

Temp ranges between -10°C to +75°C.

Procedure



NetBackup 5020

Routine Maintenance


Monitor Interface


Step 2 Expand the node in the navigation tree, and then click Temperature, as shown in Figure

4-16.

Figure 4-16 Temperature option

Step 3 View the state of the temperature of the enclosure, as shown in Figure 4-17.Table 4-7 lists the

related parameters.

ID-x indicates temperature type x (the value of x is 1, 2, or 3).


Monitor Interface

NetBackup 5020

Routine Maintenance


Figure 4-17 Temperature information

Table 4-7 Description of parameters related to temperature


Type Temperature type. The value can be:

Intake Vent Temp indicates the temperature of the

inner inlet of the chassis.

Outtake Vent Temp indicates the temperature of

the inner outlet of the chassis.

Backplane Temp indicates the temperature of the

backplane.

Temperature Temperature of value of Intake Vent Temp, Outtake

Vent Temp, or Backplane Temp.

The value of the temperature ranges between

LowWaterMark and HighWaterMark, that is,

between –10°C and +75°C.

LowWaterMark Lowest value of the temperature. The value is –10°C.

HighWaterMark Highest value of the temperature. The value is +75°C.

NetBackup 5020

Routine Maintenance


Monitor Interface



ErrorStatus Temperature status.

If the value of ErrorStatus is 0, it indicates that the

temperature is normal.

If the value of ErrorStatus is 1, it indicates that the

temperature is abnormal.

----End

Exception Handling

If the value of Intake Vent Temp, Outtake Vent Temp or Backplane Temp exceeds the

normal range between -10°C and +75°C:

Check and adjust the temperature of the equipment room.

Check the fan status. For details, see 4.5 Checking the Fan Status.

NetBackup 5020

Routine Maintenance A Maintenance Record

Issue 01 (2010-12-10) Symantec Corporation A-1

A Maintenance Record

This table records maintenance conditions.

Maintenance Item Maintenance Condition

Remarks Maintenance Owner

Checking

equipment

running

environme

nt

Operating

temperature

□Normal □Abnormal

Operating

humidity


Fire safety □Normal □Abnormal

Dust □Normal □Abnormal

Enclosure power

supply


Checking

environme

nt inside

the cabinet

Power system □Normal □Abnormal

Cable system □Normal □Abnormal

Grounding system □Normal □Abnormal

Protective system □Normal □Abnormal

Dust-proof system □Normal □Abnormal

Cable labeling □Normal □Abnormal

Checking

indicator

status

System power

indicator status


System alarm

indicator


Disk online status

indicator


Disk read/write

status indicator


A Maintenance Record

NetBackup 5020

Routine Maintenance

A-2 Symantec Corporation Issue 01 (2010-12-10)



Power

running/alarm

indicator


Fan running/alarm

indicator


NetBackup 5020

running status


Link indicator of

the IPMI

management

network port


Active indicator of

the IPMI

management

network port


Link indicator of

the service

network port

(NIC1/NIC2)


Active indicator of

the service

network port

(NIC1/NIC2)


ACT/LNK

indicator of the

10GE NIC port


GRN=10GE

indicator of the

10GE NIC port


Checking

on the

system

monitor

interface

Hardware Alerts □Normal □Abnormal

CPU status □Normal □Abnormal

Disk status □Normal □Abnormal

RAID status □Normal □Abnormal

Fan status □Normal □Abnormal

Power Supply

status


Temperature status □Normal □Abnormal

NetBackup 5020

Routine Maintenance A Maintenance Record

Issue 01 (2010-12-10) Symantec Corporation A-3



Problems

and

troublesho

oting:

Remaining

problems:

Verificatio

n:

Date:

NetBackup 5020

Routine Maintenance B How to Obtain Help

Issue 01 (2010-12-10) Symantec Corporation B-1

B How to Obtain Help

If a problem persists in troubleshooting, contact Symantec for technical support.

B.1 Preparations For Contacting Symantec

To better solve the problem, you need to collect troubleshooting information and make

debugging preparations before contacting Symantec.

B.2 How to Use the Document

Symantec provides usage documents shipped with the device. Through these documents, you

can solve problems that occur during troubleshooting.

B.3 Technical Support

Symantec Technical Support maintains support centers globally. Technical Support's primary

role is to respond to specific queries about product features and functionality. The Technical

Support group also creates content for our online Knowledge Base. The Technical Support

group works collaboratively with the other functional areas within Symantec to answer your

question in a timely fashion. For example, the Technical Support group works with Product

Engineering and Symantec Security Response to provide alerting services and virus definition

updates.

B.1 Preparations For Contacting Symantec

To better solve the problem, you need to collect troubleshooting information and make

debugging preparations before contacting Symantec.

B.1.1 Collecting Troubleshooting Information

Collect necessary information for the troubleshooting.

B.1.2 Making Debugging Preparations

When seeking technical support, Symantec technical support engineers may help you to

perform some operations to further collect fault information or remove the fault.

B.1.1 Collecting Troubleshooting Information

Collect necessary information for the troubleshooting.

Detailed name and address of the customer

Contact person and telephone number


NetBackup 5020

Routine Maintenance

B-2 Symantec Corporation Issue 01 (2010-12-10)

Time when the fault occurred

Detailed description of the fault

Device type, serial number, and software version

Measures taken after the fault occurred and the related results

Problem level and required solution deadline

B.1.2 Making Debugging Preparations

When seeking technical support, Symantec technical support engineers may help you to

perform some operations to further collect fault information or remove the fault.

B.2 How to Use the Document

Symantec provides usage documents shipped with the device. Through these documents, you

can solve problems that occur during troubleshooting.

To solve the problems better, use the documents before you contact Symantec for technical

support.

B.3 Technical Support

Symantec Technical Support maintains support centers globally. Technical Support's primary

role is to respond to specific queries about product features and functionality. The Technical

Support group also creates content for our online Knowledge Base. The Technical Support

group works collaboratively with the other functional areas within Symantec to answer your

question in a timely fashion. For example, the Technical Support group works with Product

Engineering and Symantec Security Response to provide alerting services and virus definition

updates.

Symantec's maintenance offerings include the following:

A range of support options that give you the flexibility to select the right amount of

service for any size organization.

Telephone and Web-based support that provides rapid response information.

Upgrade assurance that delivers automatic software upgrade protection.

Global support available 24 hours a day, 7 days a week.

Advanced features, including Account Management Services.

For information about Symantec's Maintenance Programs, you can visit our Website at the

following URL: http://www.symantec.com/techsupp/

B.3.1 Contacting Technical Support

B.3.2 Licensing and Registration

B.3.3 Customer Service

B.3.4 Maintenance Agreement Resources

B.3.5 Additional Enterprise Services

B.3.1 Contacting Technical Support

Customers with a current maintenance agreement may access Technical Support information

at the following URL: http://www.symantec.com/techsupp/

NetBackup 5020

Routine Maintenance B How to Obtain Help

Issue 01 (2010-12-10) Symantec Corporation B-3

Before contacting Technical Support, make sure you have satisfied the system requirements

that are listed in you product documentation. Also, you should be at the computer on which

the problem occurred, in case it is necessary to replicate the problem.

When you contact Technical Support, please have the following information available:

Product release level

Hardware information

Available memory, disk space, and NIC information

Operating system

Version and patch level

Network topology

Router, gateway, and IP address information

Problem description:

− Error messages and log files

− Troubleshooting that was performed before contacting Symantec

− Recent software configuration changes and network changes

B.3.2 Licensing and Registration

If your Symantec product requires registration or a license key, access our technical support

web page at the following URL: http://www.symantec.com/techsupp/ and then click Business

Product Support.

B.3.3 Customer Service

Customer service information is available at the following URL:

http://www.symantec.com/techsupp/

Customer Service is available to assist with the following types of issues:

Questions regarding product licensing or serialization

Product registration updates, such as address or name changes

General product information (features, language availability, local dealers)

Latest information about product updates and upgrades

Information about upgrade assurance and maintenance contracts

Information about the Symantec Buying Programs

Advice about Symantec's technical support options

Nontechnical presales questions

Issues that are related to CD-ROMs or manuals

B.3.4 Maintenance Agreement Resources

If you want to contact Symantec regarding an existing maintenance agreement, please contact

the maintenance agreement administration team for your region as follows:

Asia-Pacific and Japan: [email protected]

Europe, Middle-East, and Africa: [email protected]

North America and Latin America: [email protected]


NetBackup 5020

Routine Maintenance

B-4 Symantec Corporation Issue 01 (2010-12-10)

B.3.5 Additional Enterprise Services

Symantec offers a comprehensive set of services that allow you to maximize your investment

in Symantec products and to develop your knowledge, expertise, and global insight, which

enable you to manage your business risks proactively.

Enterprise services that are available include the following:

Symantec Early Warning Solutions

These solutions provide early warning of cyber attacks, comprehensive threat analysis,

and countermeasures to prevent attacks before they occur.

Managed Security Services

These services remove the burden of managing and monitoring security devices and

events, ensuring rapid response to real threats.

Consulting Services

Symantec Consulting Services provide on-site technical expertise from Symantec and its

trusted partners. Symantec Consulting Services offer a variety of prepackaged and

customizable options that include assessment, design, implementation, monitoring, and

management capabilities. Each is focused on establishing and maintaining the integrity

and availability of your IT resources.

Educational Services

Educational Services provide a full array of technical training, security education,

security certification, and awareness communication programs.

To access more information about Enterprise services, please visit our Web site at the

following URL: www.symantec.com.

Select your country or language from the site index.

NetBackup 5020

Routine Maintenance C Acronyms and Abbreviations

Issue 01 (2010-12-10) Symantec Corporation C-1

C Acronyms and Abbreviations

A

AC Alternating Current

ACPI Advanced Configuration and Power Interface

C

CPU Central Processing Unit

E

ESD Electrostatic Discharge

F

FC Fiber Channel

I

IPMI Intelligent Platform Management Interface

N

NIC NetWork Interface Card

O

OS Operation System

OTDR Optical Time Domain Reflectometry

P

C Acronyms and Abbreviations

NetBackup 5020

Routine Maintenance

C-2 Symantec Corporation Issue 01 (2010-12-10)

PC Personal Computer

R

RAID Redundancy Array Independency Disk

Documents

Routine Maintenance - Cornerstone OnDemand