Re: question: re-try of operations in PNFS

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On Tue, May 22, 2018 at 4:34 PM, Mkrtchyan, Tigran
<tigran.mkrtchyan@xxxxxxx> wrote:
> Hi Olga,
>
> we saw similar issues with early version of RHEL6 kernels, but this was fixed in the later version.
> and it's possible now to set timeout with
>
> dataserver_timeo and dataserver_retrans
>
> bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1175413
>
> Which which kernel do you observe it?

Upstream kernel. But I'm arguing that there shouldn't be a need to
specify a dataserver_timeo because it shouldn't timeout at all just
like MDS operations.

Also curiously, "man nfs" doesn't list "datasever_timeo" option and
when I try to use it on a RHEL7.4 machine it says incorrect option.
Also grep thru the upstream kernel code for "dataserver_timeo" is
empty too.

>
> Regards,
>    Tigran.
>
> ----- Original Message -----
>> From: "Olga Kornievskaia" <aglo@xxxxxxxxx>
>> To: "linux-nfs" <linux-nfs@xxxxxxxxxxxxxxx>
>> Sent: Thursday, May 17, 2018 10:43:34 PM
>> Subject: question: re-try of operations in PNFS
>
>> Hi Trond,
>>
>> Is there a reason why an rpc connection to the DS is set to timeout
>> requests instead of waiting until the reply from the server ? Requests
>> to DS timeout in 10sec and are resent to MDS.
>>
>> Thank you.
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