questions about a PERC in a 2950

Kuba Ober kuba at mareimbrium.org
Sun Oct 21 02:15:26 CDT 2007


On Tuesday 16 October 2007, J. Epperson wrote:
> On Tue, October 16, 2007 12:39, Chris Stromsoe wrote:
> > I'm not a fan of hardware raid.  Getting the data off the drives if
> > something goes very bad can be challenging.  With 8 cores in the box in
> > question, I'm not lacking for CPU.  The management tools leave quite a
> > bit to be desired, not the least of which is that there isn't a simple
> > proc or sysfs interface for managing the driver (using sh and echo to
> > manage drive replacement, rebuilds, hot spares, etc, with cat for reading
> > back controller and drive status would be perfect).  I'm also running
> > Debian and there isn't a Debian native build of the management tools or
> > available source to build them myself.
>
> I get most of that, but is getting data off a hosed software raid array
> any simpler than with hardware raid?

The former is documented, the latter isn't. Unless proven otherwise, the 
overall quality of the Linux software raid code seems to be much better than 
Dell's raid firmware & co.

Cheers, Kuba



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