A quick and easy performance improvement

Julian Field mailscanner at ecs.soton.ac.uk
Wed Jul 26 22:13:19 IST 2006

Denis Beauchemin wrote:
> Julian Field a écrit :
>>> Separate partitions also allow different mount options, and in the 
>>> event of data loss due to power outages, etc, it is more likely that 
>>> the system will still come up, making it easier for you to restore 
>>> from backup as necessary.
>> With journalling filesystems this is totally irrelevant. They just 
>> replay the log (a matter of milliseconds) and come back up.
> Unless there hasn't been a check in more than 6 months... then the check 
> is forced at next reboot... not necessarily when you would have liked it...
> I've had problems with both mailstores in the last 6 months and fsck on 
> 400G partitions with zillions of files takes a lot of time!  On our new 
> servers I created 40 10G partitions (easy to manage with Cyrus).

This is completely dependent on the OS and filesystem. I have 5 Tb on 
Solaris 10 and it won't ever do a full fsck (at least I'm pretty sure it 
won't with ZFS).
Julian Field
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