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

E.S. Rosenberg esr+lustre at mail.hebrew.edu
Thu Jun 13 05:19:06 PDT 2013

On Thu, Jun 13, 2013 at 3:09 AM, Christopher J. Morrone
<morrone2 at llnl.gov> wrote:
> 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).
Is ZFS the recommended fs, or just an option?
Doesn't ZFS suffer major performance drawbacks on linux due to it
living in userspace?
> 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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