ctl_cyrusdb questions, looking for answers
Adam Tauno Williams
awilliam at whitemice.org
Thu Mar 12 20:25:22 EDT 2009
> does anybody know, how ctl_cyrusdb works (how it should be used)?
I've never felt very compelled to mess with the default:
checkpoint cmd="ctl_cyrusdb -c" period=30
> seen ctl_cyrusdb's man pages, but there is just few notes and nothing more.
> I assume ctl_cyrusdb is used (in /etc/cyrus.conf) to generate
> "checkpoints" of the Cyrus databases, presumably those in /var/lib/imap.
> The information that man does not provide is
> 1) Listing of database files "checkpointed"
I've always assumed all-of-them
> 2) Description of checkpoint format
> a) "ls /var/lib/imap" suggest two sets of checkpoint database are
? Not following you here. It checkpoints the databases, not certain
what "two sets" of what your seeing.
> b) Description of checkpoint configuration options, if any, to control
> checkpoint sets
> 3) Checkpointed image backup requirements
I've always been very impressed at Cyrus' durability. I think you could
restore a Cyrus database from a bit of rusty barbed wire.
> 4) Appropriate cross-references to utilities used to determine database
> corrution requiring recovery procedure
> 5) Appropriate recovery procedure when invocation with "-r" vs. "-r -x'
> is required.
Cyrus runs a -r when it starts to verify the database; if that fails it
abends with log messages. Most manual recovery/rebuilding is done using
the reconstruct command.
> It'll be really appreciated if someone could explain at least some of
> these questions. Thanks
OpenGroupware developer: awilliam at whitemice.org
OpenGroupare & Cyrus IMAPd documenation @
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