You could potentially exacerbate an IO issue, even with HW RAID, when
running in a degraded mode(failed drive) or during a rebuild.The outer
logging, if on a mirror, would be able to provide good through put and
ensure you don't have too many problems.
On Fri, 2002-02-15 at 15:04, Mihai RUSU wrote:
> >From the XFS FAQ and other threads on this list I understand that is
> recommended to have the log of an XFS partition out of a RAID5. Is that
> performance impact that bad also with hardware RAID ?
> Because its rather strange to make that external log reside out of the
> RAID with hardware RAID (I have to reboot and use the BIOS configuration
> tool to setup another logical device which should not be RAID5 just only
> for the XFS log).
> Mihai RUSU
> "... and what if this is as good as it gets ?"
Systems Architect, CCNA
"It is the part of a good shepherd to shear his flock, not to skin it."