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Thank you all. I will try managing the fd internally. And I will
subscribe to the mailing list using the link given.
On Tue, May 8, 2018 at 12:42 AM, Frank Filz <ffilz...@mindspring.com> wrote:
> You can subscribe at https://lists.nfs-ganesha.org
>
>
>
> Are you using the support_ex functions? If not, I think there are some
> bugs. The non-support_ex functions are being deprecated (and in fact don’t
> exist in V2.6 or next).
>
>
>
> If you are using support_ex, your FSAL is responsible for protecting an
> in-use global FD, see how FSAL_VFS manages that.
>
>
>
> Without support_ex, the protection is supposed to be done with the mdcache
> content_lock, however, I’m not sure it’s always used. I think you can add
> your own protection.
>
>
>
> You could also yourself use a separate FD for each request.
>
>
> Although mdcache manages the lifetime of FDs, the FSAL really can do
> whatever it wants.
>
>
>
> Frank
>
>
>
> *From:* You Me [mailto:yourindian...@gmail.com]
> *Sent:* Monday, May 7, 2018 5:06 PM
> *To:* Frank Filz <ffilz...@mindspring.com>
> *Cc:* NFS Ganesha Developers <nfs-ganesha-devel@lists.sourceforge.net>;
> de...@lists.nfs-ganesha.org
> *Subject:* Re: [Nfs-ganesha-devel] FD reuse in NFSv3
>
>
>
> Ganesha 2.5.1 with my own FSAL.
>
>
>
> How do I subscribe to new listserve?
>
> --Satish
>
>
>
> On Mon, May 7, 2018 at 5:58 PM, Frank Filz <ffilz...@mindspring.com>
> wrote:
>
> > My NFS client does not retry I/O.
> > Ganesha is reusing FD instead of opening file for every read request.
> > Sometimes it closes the fd even when there is a worker waiting still in
> > read() call on the same fd. As a result that worker returns read error
> and
> > ganesha drops the RPC. NFS client does not get any reply and it
> eventually
> times
> > out the I/O.
> >
> > I see 2 solutions.
> >
> > 1. NFS client implement I/O retry
> > 2. Ganesha open the file and try read again when file not opened error is
> > returned by FSAL.
> > 3. Ganesha open the file for every read RPC instead of reusing FD.
> >
> > NFS client is a legacy implementation and it is not going to be fixed.
> > Is there a way to achieve solutions 2 or 3?
>
> What version of Ganesha are you using? Which FSAL?
>
> Thanks
>
> Frank
>
> p.s. also consider subscribing to the new listserve
>
>
>
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