[Lustre-discuss] xserve raid

Brock Palen brockp at umich.edu
Thu Oct 18 15:52:56 PDT 2007


>

Yes :-)  the MDS is a software raid 1,  Thanks for the tip though.

> The other important note - don't use RAID5 for the MDS if at all  
> possible.
> It generates largely small, random 4kB IO and is much better served by
> RAID1 or RAID1+0.
>
> Cheers, Andreas
> --
> Andreas Dilger
> Principal Software Engineer
> Cluster File Systems, Inc.
>
>
>




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