[Lustre-discuss] how the lustre distribute data among disks within one OST

Christopher J. Morrone morrone2 at llnl.gov
Wed Jun 12 17:09:08 PDT 2013

Lustre does not  manage the individual disks.  I sits on top of a 
filesystem, either ldiskfs(basically ext4) or zfs (as of Lustre 2.4).

You group multiple disks into a single block devices or filesystem using 
any of the normal mechanisms: hardware raid, linux mdraid, zfs pools, etc.

On 06/12/2013 04:51 PM, Jaln wrote:
> Hi,
> I'm new here, can anybody tell me how the lustre manage the data stripes
> within one OST?
> suppose there are multiple disks in one OST.
> Thanks,
> Jaln

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