HDD8本でRAID0を作ってみた

ボリュームの設定内容:

項目備考
RAID Level0
Size7.273 TB
Parity size0 TB
Strip size256 KB
Read policyAlways Read Ahead
Write policyWrite Back
I/O policyDirect IO
Access policyRead Write
Disk Cache PolicyEnable
[root@e ~]# mkfs.xfs -f /dev/sda
meta-data=/dev/sda               isize=256    agcount=32, agsize=61013952 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=0        finobt=0
data     =                       bsize=4096   blocks=1952446464, imaxpct=5
         =                       sunit=64     swidth=256 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=0
log      =internal log           bsize=4096   blocks=521728, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@e ~]#
[root@e ~]# mount -t xfs /dev/sda /export
[root@e ~]# bonnie++ -d /export -n 256:1024:1024:16 -u root
Sequential OutputSequential InputRandom SeeksSequential CreateRandom Create
Per CharBlockRewritePer CharBlockCreateReadDeleteCreateReadDelete
157925(100)768103(20)341050(15)126522(83)355741(8)523.4(2)50375(100)420615(100)94587(94)51224(100)319422(100)58097(85)

8HDDでraid0で速くはなったけど....Full Initializeを掛けて再度実施

[root@e ~]# mkfs.xfs -f /dev/sda
meta-data=/dev/sda               isize=256    agcount=32, agsize=61013952 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=0        finobt=0
data     =                       bsize=4096   blocks=1952446464, imaxpct=5
         =                       sunit=64     swidth=256 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=0
log      =internal log           bsize=4096   blocks=521728, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@e ~]#
[root@e ~]# mount -t xfs /dev/sda /export
[root@e ~]# bonnie++ -d /export -n 256:1024:1024:16 -u root
Sequential OutputSequential InputRandom SeeksSequential CreateRandom Create
Per CharBlockRewritePer CharBlockCreateReadDeleteCreateReadDelete
156398(100)772471(20)340063(15)122785(82)508671(11)502.4(2)50853(100)418359(100)93100(93)51450(100)318077(100)79999(100)
157633(100)775195(20)343604(15)119153(79)437476(10)512.1(1)51888(100)419357(100)95367(96)50963(99)319315(100)79761(100)
158337(100)790233(21)341111(15)126179(82)448605(10)541.5(2)51036(100)421334(100)103443(100)49005(98)314634(100)71157(94)
158029(100)763375(20)340668(15)119842(80)439603(9)533.6(2)52200(100)415910(100)103731(100)50413(98)314341(100)78285(99)
158223(100)764619(20)354171(15)123200(82)467083(10)552.6(2)51701(100)416657(100)99137(100)50427(98)312351(100)77253(100)

回転数5400rpmの1TB 2.5inchHDDを8枚RAID0ならこれ位のだろうか。


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Last-modified: 2016-07-10 (日) 16:52:06 (1170d)