[OpenIndiana-discuss] NFS hang during copy

[Mateusz Pawlowski]

 On Mon, 21 Mar 2011 10:39:51 +0100 (CET), Roy Sigurd Karlsbakk wrote:
>> > I'm fighting a problem with an OpenIndiana 148 server and NFS3
>> > mounts from Linux clients. A simple cron job is run that moves 
>> some
>> > data files from another server to the OI box. This runs well for a
>> > while, until at some point, the client hangs and reports NFS 
>> server
>> > connection failure. The calltrace from linux is
>>
>> [...]
>>
>> What mount options is the Linux client using?
>
> urd:/dpool/nilu_wrk on /xnilu_wrk type nfs4
> (rw,bg,clientaddr=192.168.0.120,addr=128.39.104.76)
>
> (I forgot I did some testing with nfs4 as well). I just tried to
> change that to:
>
> urd:/dpool/nilu_wrk on /xnilu_wrk type nfs
> (rw,sync,bg,soft,intr,vers=3,addr=128.39.104.76)
>
> same issue - after some time, client process hang in D state and a
> (forced) reboot is required for this to be released.
>
> Vennlige hilsener / Best regards
>


 I have same issues after upgrading from OS , any NFS operation on 
 bigger that a few meg files halts server with kernel taking all 
 resources when viewed via top.
 My clients are Gentoo with 2.6.36 kernels

-- 
 Regards,
 Mateusz
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 www.generik.co