NFSv4, anyone?

Rudy Gevaert Rudy.Gevaert at UGent.be
Fri Dec 1 17:45:43 EST 2006


Adam Kramer wrote:
> Just another datapoint,
> 
> Cyrus seems to work fine with a 2.4 kernel via NFSv3 to a netapp filer
> when mounted with -o nolock. It doesn't use lockd, but it still uses
> local locking. imaptest has no problems (except for "STORE failed: NO
> Too many user flags in mailbox" which is just because cyrus has a
> limit on how many different flags can exist in a mailbox.) I undefined
> RAND_KEYWORDS and recompiled imaptest and it didn't report any errors
> in about 20 minutes of running.
> 
> Obviously with '-o nolock' you won't be able to have two servers
> accessing the same mail store, but it could be used for quick failover
> from one machine to another while still having the benefits of a
> netapp like snapmirroring and .snapshot directories.

How do you get consistant snapshots?  Without stopping cyrus... Or don't 
you care about that?


-- 
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Rudy Gevaert          Rudy.Gevaert at UGent.be          tel:+32 9 264 4734
Directie ICT, afd. Infrastructuur  Direction ICT, Infrastructure dept.
Groep Systemen                     Systems group
Universiteit Gent                  Ghent University
Krijgslaan 281, gebouw S9, 9000 Gent, Belgie               www.UGent.be
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