Re: RAID 5 performance issue.

[Andrew Clayton <andrew@pccl.info>]

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