On Dienstag 01 September 2009 Peter Grandi wrote:
> Then 'mount' with '-o sync'
Yes. I could also simply switch back to reiserfs, where I never had this
kind of issue, despite lots of crashes etc. I'm not here to blame the
devs, just wanted to report that this kind of problem still exists, and
maybe someone taps into the problem and can improve it.
There was a similar problem with the change from ext3 to ext4, with a
big discussion. Ext4 has been improved, I don't know how good it is now.
And I know lots of discussions whether the app or the kernel is wrong,
and whether you should fsync() after rename(). In ext4 they reorganized
the way metaupdates are done, maybe that can help xfs too.
It seems kmail writes its config every 7 minutes, so it is vulnerable
for 3 seconds then. I've set
vm.dirty_expire_centisecs = 1000
now to improve the situation a bit.
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