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Re: [Samba] DFS Shares (Clustered)




Hi,

As requested :

search our.domain.com
nameserver 10.11.12.13
nameserver 10.11.12.14
options rotate
options timeout:1

First DNS Server sits in original location, second is in location we
fail over to. As for handling remount ... just manually from command
line.

If there is indeed a fix down the line we can wait. Our DR exercises
are normally twice a year and at least 6 months or more until then.

Regards

Shaun

On Tue, Mar 19, 2019 at 7:10 PM Aurélien Aptel <aaptel@xxxxxxxx> wrote:
>
> (re-sending to list with right address)
>
> Shaun Glass via samba <samba@xxxxxxxxxxxxxxx> writes:
> > Our DFS Shares come from a Windows cluster with 2 servers, each one in
> > a different location. When the server that we have active connections
> > to goes offline, the server has an issue connecting to the second
> > server. This even happens under a controlled shutdown and startup
> > situation.
>
> DFS failover support was added to cifs.ko in Linux v5.0 (and backported
> to SLE15-SP1, can't say for RHEL).
>
> It also requires a change in cifs-utils so that the cached DNS entries
> expire, released in cifs-utils v6.9 (unreleased yet).
>
> Cheers,
>
> --
> Aurélien Aptel / SUSE Labs Samba Team
> GPG: 1839 CB5F 9F5B FB9B AA97  8C99 03C8 A49B 521B D5D3
> SUSE Linux GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
> GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)

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