[Lustre-discuss] manual OST failover for maintenance work?

[Cliff White]

On 12/06/2010 09:57 AM, Adeyemi Adesanya wrote:
>
> Hi.
>
> We have pairs of OSS nodes hooked up to shared storage arrays
> containing OSTs but we have not enabled any failover settings yet. Now
> we need to perform maintenance work on an OSS and we would like to
> minimize Lustre downtime. Can I use tunefs.lustre to specify the OSS
> failover NID for an existing OST? I assume i'll have to take the OST
> offline to make this change. Will clients that have Lustre mounted
> pick up this change or will all clients have to remount? I should
> mention that we are running Lustre 1.8.2.


Yes, see the Lustre Manual for details.
cliffw

>
> -------
> Yemi
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