Hello,
If I add up the reported disk space for all of the users on a partition
and compare it to the actual observed size of the spool directory (and
subdirectories), there's quite a large discrepancy.
For example, adding up all of the usage on one partition comes out to
23GB, yet observed usage (du -sh spool) comes to 30GB. This extends
down to individual mailboxes as well, to wit:
[cyrus@calliope imap]$ /usr/lib/cyrus-imapd/quota -f user.sabrams
Quota % Used Used Root
25000 7 1800 user.sabrams
shows 1.8MB, yet:
[root@calliope user]# du -sh sabrams/
2.2M sabrams
What I'm wondering is, is this normal? I ran quota -f on the above user
and it changed it from the former value of 1200 to 1800, but still not
close to the observed usage of 2.2M. I'm looking for a good way to
predict actual disk usage to size our server for growth. If this is
just legitimate overhead, fine -- but I need to get a sense of how much
overhead there is and where it comes from. If there's a problem with
our quotas, I need to fix it.
Any thoughts?
thanks,
Aaron
--
Aaron Bennett
Sr. Unix Systems Administrator
Clark University ITS
abennett@xxxxxxxxxx | 508.781.7315
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