Upload
oleksandra-rudnytska
View
265
Download
0
Tags:
Embed Size (px)
DESCRIPTION
LizardFS is the open source distributed file system. It is the fork from MooseFS, DFS that has already proven its efficiency since 2007.
Citation preview
your DATA our PASSION
Speaker:
Title:
Peter aNeutrino (aka Piotr Modrzyk)
TF-STORAGE - 05-06.03.2013
Architecture of LizardFS – – cloud enabling – distributed file system for data centers
Year 2003 Google Published document about Google File System.
3/19
Year 2005 CoreTechnology Developed MooseFS for Gemius
Year 2008 MooseFS is GPLv3but coreTechnology owns the code
Year 2013 ●MooseFS is forked to LizardFS●The developers team grows from ONE to 5+community.●Always OpenSource
LizardFS in numbers:
ONE instance max size:
16 ExaBytes
ONE file max size:
128 PetaBytes
Files number limit
536 000 000
4/19
LizardFS - ARCHITECTURE
5/19
Thanks to LizardFS you can save money on the HDDs price and use the biggest like 4TB+ to increase density and
minimize the power consumption.
6/19
ceny z serwisu CENEO
Unrecoverable Read Error
Total Disk Faliure
Annual Fail Rate
Mean Time Before Failure
RAID 5RAID 6
Repair time is too high
for 1TB+ HDD repair takesfrom 2h...up to 20h
oreven 14 days in Tier-4 ;)
7/19
Data ReplicationIs an answer for: AFR, MTBF, TDF
8/19
File
File transfer
LizardFS uses built-in mechanism of checksumingIt is an answer for a problem with URE and errors of other
mediums like network cables or cache memory
9/19
clientChunk server
Chunk + CRC
LizardFS uses build-in mechanism of checksuming
10/19
clientChunk server
both ends use checksums
Data flow
Snapshots are very fast and always possible
11/19
FILE 1
FILE 1
Meta data
DATA
FILE 1
12/19
Snapshots are very fast and always possible
FILE 1
FILE 1
Meta data
DATAFILE 1
FILE 2
FILE 1
Meta data copy
FILE 1
FILE 2
FILE 1
13/19
Snapshots are very fast and always possible
FILE 1
FILE 1
Meta data
DATAFILE 1
FILE 2
FILE 1FILE 1
FILE 2
Changed DATA
LizardFS has transparent trash-bin
14/19
LizardFS web Monitoring
15/19
Online DEMO....
LizardFS web Monitoring
16/19
Online DEMO....OR not
LizardFS — GPLv3
17/19
LizardFS
18/19
72 000 lines of code
Customer Driven Development
19/19
your DATA our PASSION
info @ .pl