ITCS Outages

Uniqname: Uniqname creation failure

During a period of time uniqname administrators would not have been able to allocate uniqnames that corresponded to people. All other uniqname operations were unaffected. Uniqname is now functioning properly.

Status: Service Restored
07/03/2008 03:00 PM - start
07/03/2008 03:00 PM - resolved time

ITCS Exchange: ITCS Exchange Service

All cluster nodes hosting Exchange 2003/2007 experienced an issue with network connectivity due to problems with the distrubution switches in Arbor Lakes Data Center. Users with mailboxes on these node have experienced approximately an outage while this occurred. Users may need to close their mail client and restart it to connect to their mailbox again.

Status: Service Restored
07/03/2008 08:00 AM - start
07/03/2008 08:00 AM - resolved time

Connectivity (within U-M), Telephones/VoiceMail: ITCom Distribution Switch 1

We are experiencing degradation services from our distribution switch ITCom-1. Our data engineers are working on the degradation. At this time we don't have an estimated when services will be fully restored. Sorry for the inconvenience. More information to follow later

Status: Service Restored
07/03/2008 08:45 AM - start
07/03/2008 08:54 AM - resolved time

[open] Connectivity (within U-M), Connectivity (external to U-M): North Campus Fiber Cut

We are currently investigating a fiber cut on North Campus between Arbor Lakes and Cooley. At this point it appears to be affecting redundant links, however some services may be degraded until the cable is restored. We are still in the process of dispatching technicians to locate the problem.

Status: Open
07/02/2008 07:02 PM - start
UNKNOWN FIX TIME

[open] UM wireless in building two of Arbor Lakes: ArborLakes Building Two - Meru code testing

ITCom wireless engineering will be evaluating new code from wireless vendor Meru in Building Two of Arbor Lakes. While no loss of service is expected the possibility exists. Users attending meetings in building two should be aware of this possibility and plan accordingly.

Status: Open
07/02/2008 12:00 PM - start
07/04/2008 12:00 PM - estimated fix time

ITCS Exchange: ITCS Exchange Service

The cluster node hosting ECLUST2-VS4 experienced an issue with fragmented memory and the virtual server was moved to another cluster node. Users with mailboxes on ECLUST2-VS4 experienced approximately a 1 minute outage while this occurred. Users may need to close their mail client and restart it to connect to their mailbox again. ITCS will be investigating the cause of this issue and will take necessary actions to address the situation so that it will not occur in the future. We are sorry for this inconvenience. If you have any questions or concerns, please contact exchange.support@umich.edu.

Status: Service Restored
07/02/2008 08:48 AM - start
07/02/2008 03:46 PM - resolved time

[open] Telephones/VoiceMail: Message Center Voicemail Outage

We are experiencing a Message Center voicemail outage. Our engineers have been working through the night to restore service. At this time, still no estimated time of restoral. Sorry for the inconvenience that this may occur.

Status: Open
07/02/2008 06:13 AM - start
UNKNOWN FIX TIME

UMOD master restart

Users may be unable to modify UMOD directory entries for a few minutes at some point during the maintenance window.

Status: Maintenance Completed
06/30/2008 01:00 AM - start
07/01/2008 01:19 AM - resolved time

mfile: IFS: Moving some afs (ifs) volumes

Users should see nothing, but may see a few seconds delay while their volume moves.

Status: Resolved
06/30/2008 05:30 PM - start
06/30/2008 08:17 PM - resolved time

Telephones/VoiceMail: UM Voicemail - Scheduled Maintenance

Users will not be able to receive or retrieve voicemail messages. No old messages will be lost.

Status: Service Restored
07/01/2008 06:00 PM - start
07/02/2008 02:06 AM - resolved time