Re: Differences in imap quota reporting between v2.2.13 and v2.3.16

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On 05/15/12 16:41 -0400, James B. Byrne wrote:
>OS CentOS-6.2
>HW i86_64 KVM guest
>
>We are migrating from cyrus-imapd-2.2.13 running on CentOS-4.9 to
>v2.3.16 running on CentOS-6.2; being is the most recent version
>distributed by the packager. To the best of my ability to determine I
>have followed the upgrade instructions at
>http://cyrusimap.web.cmu.edu/docs/cyrus-imapd/2.3.16/install-upgrade.php.
>
>The data transfer and SELinux considerations completed successfully as
>did the mailbox reconstruction and quota updates.  The new service is
>running and I can administer user mailboxes. However, the quota usage
>reported for user accounts under 2.3.16 differs dramatically from that
>reported under 2.2.13.  It appears on the surface that the usage
>reported is for each individual mailbox and not for the accumulated
>usage under the user's INBOX.
>
>For example, I have the situation under 2.3.16 where a user with 500mb
>quota and 375mb usage is reported at the highest level as 3% usage
>because there is very little mail in their INBOX but a great deal of
>archived mail in subordinate folders.  On the 2.2.13 server this
>identical user mailbox is reported as 75% utilization.
>
>I see in the change logs that there were numerous changes to quotas.
>But it seems odd to me that usage would no longer report cumulative
>totals. Can somebody give me the short form explanation of how quota
>is assigned to folders and usage is reported under 2.3.16?

What you describe sounds like what would happen if there were a quotaroot
defined at each sub-hierarchy level, rather than at just the user's INBOX
level.

What does the output of quota/cyrquota look like? Do you see any quota
roots defined other than for top level user mailboxes? If so, then you may
need to manually remove them:

http://cyrusimap.org/docs/cyrus-imapd/2.4.16/overview.php#recoveryquotasrm

Which quota database format are you using (imapd.conf option quota_db)?

-- 
Dan White
----
Cyrus Home Page: http://www.cyrusimap.org/
List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/



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