[Lustre-discuss] Hastening lustrefs recovery

Jeffrey Bennett jab at sdsc.edu
Thu Jul 16 17:26:44 PDT 2009


> > For 4 OSTS each with 7TB, ~40 connected clients , recovery time is 
> > 48min. Is that reasonable or is that too long?
> 
> Wow.  That seems long.  That is recovery of what?  A single 
> OST or single OSS, or something other?
> 
Recovery times I have been seeing on similar systems are around 2-3 minutes. That's what it takes clients to replay their transactions or time out. This is in the event of failover to a new MDS.

jab


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