[Users] NFS Advanced Parameters Greyed out on Existing Storage Domains

[Greg Padgett]

On 02/14/2013 12:45 AM, Chris Noffsinger wrote:
> Thank you for the speedy clarification.
>

No problem.

> So as I understand this BZ for the errata, the nfs_mount_options were
> being ignored in vdsm.conf and then after the errata, they are no longer
> ignored?
> https://bugzilla.redhat.com/show_bug.cgi?id=826921
>

Correct, also note the caveat that if you enable the advanced nfs options 
in the ui, they will take priority over the vdsm.conf options.

>
> On Wed, Feb 13, 2013 at 8:57 PM, Greg Padgett <gpadgett at redhat.com
> <mailto:gpadgett at redhat.com>> wrote:
>
>     On 02/13/2013 12:33 AM, Chris Noffsinger wrote:
>
>         So I have read this BZ
>         https://bugzilla.redhat.com/__show_bug.cgi?id=855729
>         <https://bugzilla.redhat.com/show_bug.cgi?id=855729>
>
>         and these related ovirt BZs http://gerrit.ovirt.org/#/c/__8110/
>         <http://gerrit.ovirt.org/#/c/8110/>
>         http://gerrit.ovirt.org/#/c/__8797/
>         <http://gerrit.ovirt.org/#/c/8797/>
>         http://gerrit.ovirt.org/#/c/__8798/
>         <http://gerrit.ovirt.org/#/c/8798/>
>
>         So forgive me but I am a little confused.  I have some existing NFS
>         Storage domains that I was not paying attention and attached
>         without doing
>         any advanced parameters in RHEV 3.1
>
>         Now the NFS Advanced Parameters box is greyed out.
>
>         So now that I have attached these domains I cannot change the
>         advanced nfs
>         option such as change it to Nfs4 from 3 or rsize and wsize?
>
>         Maybe if I was using upstream oVirt instead of Rhev 3.1 I would be
>         able to
>         make the changes in vdsm.conf and they would be honored?
>
>
>     It's the same in oVirt 3.1 and RHEV 3.1, see this bug:
>     https://bugzilla.redhat.com/__show_bug.cgi?id=835543
>     <https://bugzilla.redhat.com/show_bug.cgi?id=835543>
>
>     As long as VDSM is current, you should be able to change the the
>     nfs_mount_options in vdsm.conf to get what you want.  You would need
>     to use this route instead of/in addition to the advanced options
>     anyway, because they only allow modification of nfs version, retrans,
>     and timeout and not rsize/wsize.
>
>     (2 other options are a) modify the db directly
>     (storage_server_connections table) for the available advanced options
>     (not rsize/wsize), or b) attach the sd as posix and specify the mount
>     options, but IMO the vdsm.conf method above is easier and cleaner.)
>
>     Hope that helps,
>     Greg
>
>
>         --
>         Chris Noffsinger
>
>
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>
>
>
>
>
> --
> Chris Noffsinger