[BBLISA] Fwd: Re: Fileserver opinion

[Daniel Feenberg]

On Tue, 31 Aug 2010, Dewey Sasser wrote:

> Summary:  yes, Linux RAID is viable.
>
>
> Daniel's point about read failure during rebuild is a good one -- with a
> RAID5 of multi-TB levels I do indeed have that concern.  RAID is showing
> its design age in this respect.  I combat this with periodic SMART drive
> self-tests (exactly what they do varies from drive to drive) and also by
> background full volume reads.  I'd be happy to have a more detailed
> discussion on why this helps if anyone is interested.
>

I for one would certainly be very interested - we have lots of md space 
and see drive failures every year. No lost data yet, but still quite a 
nuisance.

Daniel