[lustre-discuss] A quick question about reusing osts (lustre 2.5.3)

Ben Evans bevans at cray.com
Tue Jul 21 07:17:47 PDT 2015


I know you'd need to keep the config files, directory structures, etc.  How much of that info you need to keep around, I'm not 100% sure.

To get the MGS to accept it again, you may have to unmount and run tunefs.lustre --writeconf on all the targets.

-Ben Evans

-----Original Message-----
From: lustre-discuss [mailto:lustre-discuss-bounces at lists.lustre.org] On Behalf Of Kurt Strosahl
Sent: Tuesday, July 21, 2015 9:15 AM
To: lustre-discuss at lists.lustre.org
Subject: [lustre-discuss] A quick question about reusing osts (lustre 2.5.3)

Hello,

   I had a quick question about recreating osts... If I drain all the files off an ost can I just reformat it and have it added back into lustre, in essence reusing the same index?  The server wouldn't change.  Or would I have to preserve its configuration files?

w/r,
Kurt
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