Hi all!
We are running cyrus-imapd with all files (mailboxes, Berkeley-DB,
mmap()ed files) on an ext3 filesystem (with data=ordered) on a iSCSI
block device (and the actual storage is on a NetApp box if that matters)
on a Xeon 3.2GHz CPU (with 4 cores/2 HT thread - ).
The kernel is 2.6.18-128.el5 (from the RHEL5/CentOS-5 updates).
On a low-(to-now-)volume test cluster, everything runs fine. On the
high-volume production cluster[0], we experienced a corrupted BDB.
Googling didn't yield any useful result on the cause (or hint on
improvement of the configuration).
Does anyone have experience with such a setup?
Is it possible to (simply) move the __* files to a local drive (or a
tmpfs/ramfs/ramdisk)?
Any hints or questions or feedback or ... is greatly appreciated,
Bernd
[0]: That's a high-availability cluster with heartbeat. So all
Cyrus-Imapd processes run on the same host.
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