Re: RAID 5 performance issue.
From: Andrew Clayton <hidden>
Date: 2007-10-05 16:10:08
On Fri, 5 Oct 2007 10:07:47 -0400 (EDT), Justin Piszcz wrote:
Yikes, yeah I would get them off the PCI card, what kind of motherboard is it? If you don't have a PCI-e based board it probably won't help THAT much but it still should be better than placing 3 drives on a PCI card.
Moved the drives back onto the on board controller.
While I had the machine down I ran memtest86+ for about 5 mins, no
errors.
I also got the output of mkfs.xfs -f -N /dev/md0
meta-data=/dev/md0 isize=256 agcount=16, agsize=7631168 blks
= sectsz=4096 attr=0
data = bsize=4096 blocks=122097920, imaxpct=25
= sunit=64 swidth=128 blks, unwritten=1
naming =version 2 bsize=4096
log =internal log bsize=4096 blocks=32768, version=2
= sectsz=4096 sunit=1 blks, lazy-count=0
realtime =none extsz=524288 blocks=0, rtextents=0
Justin.
Thanks for your help by the way. Andrew