Hello Andreas, everyone,
Im planning to use software RAID6 (mdadm) on an OST with Lustre. Do you
think it is safe to do so ? Any advise against it ?
Julien
On 12/6/06, Andreas Dilger <[EMAIL PROTECTED]> wrote:
On Dec 05, 2006 16:58 -0800, Lin Shen (lshen) wrote:
> The FAQ says that Lustre supports software RAID. Is the software RAID
> cluster aware? Can I put two partitions from two different nodes into
> the same RAID set?
No. The cluster-aware RAID feature (Lustre RAID = LAID) is only in the
planning stages.
This is only indicating that Lustre can use MD RAID{0,1,5} devices
for a back-end OST or MDT filesystem. That said, there was a bug just
found with Lustre OSTs and software RAID 5 (bug 11313) if you are
planning on using software RAID 5 you need a patch.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
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