Re: Does XFS on hardware RAID5 have perfomance issues?

[Theo Van Dinter <felicity@xxxxxxxxx>]

On Thu, Mar 07, 2002 at 02:42:00PM -0500, Murthy Kambhampaty wrote:
> I was reviewing the Linux-XFS FAQ to see if I can improve performance with
> XFS on hardware RAID5 (Mylex Acceleraid352 and five IBM Ultrastar 36LZX
> drives) by using an external log. The FAQ state the problem as if it is
> limited to software RAID5. Is hardware RAID5 performance similar whether the
> log is internal or external?

http://oss.sgi.com/projects/xfs/mail_archive/0202/msg00329.html

The issue seems to be related to the way Linux software RAID handles stripe
caching.  The hardware RAID controller will likely not have the same issue.

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