[lustre-discuss] ZFS based OSTs need advice

Nathaniel Clark lustre at utopiabound.net
Tue Jun 26 06:24:00 PDT 2018

I assume you mean, that your storage is active-active and cross-
connected between your OSS's. And you want both OSS to be able to
present any of the 4 OSTs.

Each OST should be it's own zpool, this will let each OST be imported /
failed between OSS's independently.

There's a guide on how to setup Pacemaker v1.1 (default for el7) to do
failover with ZFS and Lustre 2.10+

Nathaniel Clark

On Tue, 2018-06-26 at 16:02 +0300, Zeeshan Ali Shah wrote:
> We have 2 OSS with 4 OST shared . Each OST has 90 Disk so total 360
> Disks . 
> I am in phase of installing 2OSS as active/active but as zfs pools
> can only be imported in single OSS host in this case how to achieve
> active/active HA ?
> As what i read is that for active/active both HA hosts should have
> access to a same sets of disks/volumes. 
> any advice ?
> /Zeeshan
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