annotations.db breaks frequently

[Bernhard Reiter]

On Sun, Aug 07, 2005 at 10:26:39AM +1000, Jeremy Howard wrote:
> On Sat, 6 Aug 2005 23:39:29 +0200, "Bernhard Reiter"
> <bernhard at intevation.de> said:
> > On Fri, Aug 05, 2005 at 10:15:07AM -0300, Henrique de Moraes Holschuh
> > wrote:
> > > On Fri, 05 Aug 2005, Henning Holtschneider wrote:
> > > > Aug 04 00:00:32 rabbit <error> ctl_cyrusdb[8867]: DBERROR: skiplist 
> > > > recovery /kolab/var/imapd/annotations.db: 47F48 should be ADD or DELETE
> > > > Aug 04 00:00:32 rabbit <error> ctl_cyrusdb[8867]: DBERROR: 
> > > > opening /kolab/var/imapd/annotations.db: cyrusdb error

> > > Are you sure system memory is 100% operational and correct on those boxes?

Henning reported that he cannot reproduce after replacing the RAM
in the two machines.

(References:
https://intevation.de/roundup/kolab/issue840
https://intevation.de/roundup/kolab/msg5415
)

> > Pretty much, I have seen this on a few systems.
> > Note that within Kolab Servers, the annotations are used a lot more
> > than in other settings.

I have also recommended a RAM check there now
and will wait for the results.
Another reason for RAM failure could be bad power supplies,
e.g. underpowered ones.


> We do not use annotations much. However, we do see the above exact error
> regularly for our other skiplist DBs (e.g. seen-state), across all of
> our servers.

If you can see this on several servers, 
it would exclude RAM and powersupplies I guess?
Maybe we are in need of stress tests for annotations and the
skiplist database?

	Bernhard
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