Use update export available in 2.5.
On Thu, Oct 5, 2017 at 10:05 PM Pradeep <pradeeptho...@gmail.com> wrote:
> Hello,
>
> If we were to refresh an existing NFS export (meaning cleanup all MDCACHE
> entries in that export and release all FSAL object handles), we could use
> the DBUS interface RemoveExport and AddExport. One problem with this
> approach is that right after RemoveExport, all in-flight requests will
> start receiving ESTALE error. Is there a way to pause all transports in
> TIRPC, so that we can block requests for this duration? The flow will be
> something like this:
>
> - Pause all transports.
> - Drain in-flight requests.
> - RemoveExport
> - AddExport
>
> Alternative is to restart ganesha process which will block I/Os for the
> 'grace' period which is not ideal.
>
> Thanks,
> Pradeep
>
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