[Lustre-discuss] flushing a client state

Adam adam at sharcnet.ca
Tue Jun 22 12:59:25 PDT 2010


Yikes, sorry about the previous subject line!

Adam wrote:
> Hello, quick question about the manual.
>
> Under the recovery section the manual states that a client needs to 
> invalidate all locks, or flush it's saved state in order to reconnect to 
> a particular osc/mdc that has evicted it.
>
> We've found that one of our 1.8 clients will frequently get into a state 
> where many of the oscs report a 'Resource temporarily unavailable' state 
> after an outage to a 1.6 LFS server. The LFS can be accessed again on 
> the client by remounting the LFS, but it does not auto-recover.
>
> My question is, how one goes about manually flushing the saved client 
> state? I couldn't figure this one out from the manual, unless 'lctl 
> set_param ldlm.namespaces.<OSC>.lru_size=clear' does it.
>
> Thank you,
> Adam
>
>   


-- 
Adam Munro
System Administrator  | SHARCNET | http://www.sharcnet.ca
Compute Canada | http://www.computecanada.org
519-888-4567 x36453





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