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

[Greg Padgett]

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
>
> and these related ovirt BZs http://gerrit.ovirt.org/#/c/8110/
> http://gerrit.ovirt.org/#/c/8797/ 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

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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