Greetings,
I just got a shiny new PowerEdge T410 and have been playing with bonnie++,
ext3, and xfs to see what sort of disk performance I can get. Does
anybody have suggestions/comments on the data I collected below? I am
probably doing something silly, so I'd be grateful for any/all comments!
What sort of numbers should I be seeing?
thanks,
daryl
Dell PowerEdge T610 (up to 6 cabled hard drives)
- 8 GB (4x2) 1066 MHz
- Dual Xeon 5520 8 MB Cache
- PERC 6/i firmware: 6.2.0-0013 driver: 00.00.04.08-RH1
0.0) SATA 250GB 7.2k ST3250310NS
0.1) SATA 250GB 7.2k ST3250310NS
0.2) SAS 300GB 15k Fujitsu MBA3300RC
0.3) SAS 300GB 15k Fujitsu MBA3300RC
1.4) SAS 300GB 15k Fujitsu MBA3300RC
I have the first two drives in a raid0 and the second three in a raid5.
Yes, I'll make the first two a mirror for production.
Using RHEL5.3 with the beta RHEL kernel for RHEL5.4 (for XFS support).
2.6.18-157.el5 x86_64
I really only care about the raid5 performance at the moment, so the
following numbers are for it.
Bonnie Version 1.03e output (I truncated for brevity)
./bonnie++ -r 8000 -d /mnt/sdb1
Default ext3
16G,80699,98,146873,26,62995,8,74152,92,236569,15,857.2,2
mount data=writeback, turn on PERC readahead, write cache
16G,81894,99,145997,26,63807,8,72371,92,233885,14,854.8,1
blockdev --setra 4096 /dev/sdb1
16G,80648,98,145958,27,64606,8,77300,95,233172,12,841.4,1
mkfs.ext3 -b 4096 -E stride=16 /dev/sdb1
16G,80093,99,150488,27,65317,8,78617,96,230504,12,828.5,1
mkfs.xfs /dev/sdb1
16G,89413,99,163430,20,72564,8,78059,96,240088,11,1116.4,3
mkfs.xfs -d su=64k,sw=3 /dev/sdb1
16G,89515,99,163553,20,72748,7,77633,97,233424,11,1131.5,3
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