Thanks Andreas,
Are there any statistics / theory on which approach would be better from a
performance perspective?
i.e. letting ZFS do the striping or Lustre do the striping
Regards,
Indivar Nair
On Tue, Jun 10, 2014 at 3:28 AM, Dilger, Andreas <andreas.dil...@intel.com>
wrote:
> This should be possible by specifying the pool configuration for
> mkfs.lustre as you do with zpool:
>
> mkfs.lustre --backfstype zfs {other opts} {poolname/dataset} mirror
> sde sdf mirror sdg sdh
>
> There is also a bug open to improve the mkfs.lustre(8) man page to
> describe the ZFS options better:
> https://jira.hpdd.intel.com/browse/LU-2234
>
> On 2014/06/09, 1:21 PM, "Indivar Nair" <indivar.n...@techterra.in<mailto:
> indivar.n...@techterra.in>> wrote:
>
> Hi All,
>
> In Lustre, is it possible to create a zpool with multiple vdevs -
>
> E.g.:
>
> # zpool create tank mirror sde sdf mirror sdg sdh
> # zpool status
> pool: tank
> state: ONLINE
> scan: none requested
> config:
>
> NAME STATE READ WRITE CKSUM
> tank ONLINE 0 0 0
> mirror-0 ONLINE 0 0 0
> sde ONLINE 0 0 0
> sdf ONLINE 0 0 0
> mirror-1 ONLINE 0 0 0
> sdg ONLINE 0 0 0
> sdh ONLINE 0 0 0
>
>
> This will allow us to have a single OST per OSS, with ZFS managing the
> striping across vdevs.
>
> Regards,
>
>
> Indivar Nair
>
>
> Cheers, Andreas
> --
> Andreas Dilger
> Lustre Software Architect
> Intel High Performance Data Division
>
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