Begin 2014-12-24 09:20:00
End 2014-12-24 11:05:00
Affected all users wanting to read Science mail

The IMAP server got overloaded again which could not be due to user usage. The server was rebooted since all I/O processing was stopped and we could not kill any processes. Snapshots have now been completely disabled. It took quite some time before the server had all disks and filesystems in working order.