[Lustre-discuss] MDT raid parameters, multiple MGSes

[Jeremy Filizetti]

Thanks Jason, I haven't had any luck in reproducing it, although I have been
trying.  Next time I'll have to check bugzilla for closed bugs too.

Jeremy

On Thu, Jan 27, 2011 at 2:10 PM, Andreas Dilger <adilger at whamcloud.com>wrote:

> On 2011-01-27, at 08:26, Jason Rappleye wrote:
> > On Jan 27, 2011, at 3:15 AM, Andreas Dilger wrote:
> >>
> >> The problem is that the client will only connect to a single MGS for
> configuration updates (in particular, the MGS for the last filesystem that
> was mounted).  If there is a configuration change (e.g. lctl conf_param, or
> adding a new OST) on one of the other filesystems, then the client will not
> be notified of this change because it is no longer connected to the MGS for
> that filesystem.
> >>
> >> Granted, it is possible that someone fixed this when I wasn't paying
> attention.
> >
> > I thought this sounded familiar - have a look at bz 20299. Multiple MGCs
> on a client are ok; multiple MGSes on a single server are not.
>
> Sigh, it was even me who filed the bug...  Seems that bit of information
> was evicted from my memory.  Thanks for setting me straight.
>
> Cheers, Andreas
> --
> Andreas Dilger
> Principal Engineer
> Whamcloud, Inc.
>
>
>
>
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