Cornell Center for Advanced Computing: Operating Status

DOWNTIME: Wednesday, Nov. 11th, 2009 8am-5pm

11/9/2009 10:00:00 AM

REASON: To install November 2009 security patches (Windows and Linux)

DOWNTIME: Wednesday, Oct 14, 2009 8am-5pm

10/8/2009 4:14:00 AM

REASONS:
1. To install October 2009 security patches (Windows and Linux)
2. To upgrade the scheduling software on V4
3. To move all users home directories to the CAC storage farm

DOWNTIME: Wednesday, September 9, 2009 8am-5pm

9/4/2009 10:23:00 AM

REASON: To install September 2009 security patches (Windows and Linux)

DOWNTIME: Wednesday, August 12, 2009 8am-5pm

8/6/2009 12:00:00 AM

REASON: To install August 2009 security patches (Windows and Linux)

DOWNTIME: Wednesday, July 15, 2009 8am-5pm

7/10/2009 12:00:00 AM

REASON: To install July 2009 security patches (Windows and Linux)

Campus-wide power outage Saturday, June 6, 9:25pm

6/7/2009 4:19:00 PM

There was an unplanned campus-wide power outage at approximately 9:25pm Saturday, June 6, 2009. This outage caused many CAC managed Linux and Windows servers to experience brief interruptions while they rebooted. All services are back online. Please, as always, report any problems to help@cac.cornell.edu.

DOWNTIME: Wednesday, June 10th, 2009 8am-5pm

6/5/2009 3:35:00 AM

REASON: To install June 2009 security patches (Windows and Linux)

DOWNTIME: Sunday, May 17th, 2009 6-7am

5/15/2009 10:33:00 AM

REASON: Cornell Information Technologies will be upgrading Ethernet switches in the server room.

CAC Scheduler back in service.

5/14/2009 4:06:00 PM

The patches have been applied successfully. Batch Jobs are being accepted at this time.

Brief scheduler downtime today

5/14/2009 12:46:00 PM

The scheduler will be paused on May 14 from 2:30-4:00pm to install patches. Running jobs will not be affected.

DOWNTIME: Wednesday, May 13th, 2009 8am-5pm

5/11/2009 12:11:00 PM

REASON: To install May 2009 security patches (Windows and Linux)

CAC System Status

4/30/2009 2:30:00 PM

All systems have been returned to full service, including the linux login node (linuxlogin3.cac.cornell.edu) and batch job submission. Please let us know if you have any questions or problems.

Linux Login node is unavailable

4/28/2009 8:52:00 AM

linuxlogin3, the linux login node, is unavailable. We are working to resolve the problem as soon as possible.

Downtime Update

4/24/2009 3:44:00 PM

CAC Power and file system problems resolved

Unexpected downtime

4/24/2009 9:09:00 AM

REASON: Generator test

DOWNTIME: Wednesday, April 15th, 2009 8am-5pm

4/10/2009 3:45:00 PM

REASON: To install April 2009 security patches (Windows and Linux)

OUTAGE: Thursday, March 19th, 2009 10-11am

3/19/2009 9:32:00 AM

REASON: To upgrade Moab from 5.2.2 to 5.3.

DOWNTIME: Wednesday, March 11, 2009 8am-5pm

3/6/2009 9:10:00 AM

REASON: To install March 2009 security patches (Windows and Linux)

DOWNTIME: Sunday, February 15th, 2009 6-8am

2/10/2009 11:41:00 AM

REASON: Cornell Information Technologies will upgrade network architecture to include redundant routers and more bandwidth capacity.

DOWNTIME: Wednesday, February 11th,2009 8am-5pm

2/6/2009 3:50:00 PM

REASON: To install February 2009 security patches (Windows and Linux)

DOWNTIME: Wednesday, January 14th, 9am-5pm

1/9/2009 2:15:00 PM

REASON: To install January 2009 security patches (Windows and Linux)

DOWNTIME: Wednesday, November 12th, 8am-5pm

11/11/2008 2:16:00 PM

REASON: To install November 2008 security patches (Windows and Linux)

DOWNTIME: Wednesday, October 15th, 8am-5pm

10/14/2008 10:30:00 AM

REASON: To install October 2008 security patches (Windows and Linux)

CAC Fileservers and batch queue will be removed from service

9/16/2008 1:53:00 AM

CAC Computing Update

9/8/2008 2:33:00 PM

Resource and fileserver update.

DOWNTIME: Wednesday, September 10th, 8am-5pm

9/8/2008 2:25:00 PM

REASON: To add the NEW v4 computing resource to production and to install September 2008 security patches (Linux and Windows)

DOWNTIME: Wednesday, August 13th, 8am-5pm

8/11/2008 1:40:00 PM

REASON: To install August 2008 security patches (Linux and Windows)

IMPORTANT DOWNTIME ANNOUNCEMENT

7/10/2008 8:25:00 AM

Downtime July 15-16 for power outage and to install security patches

UPDATE: Project information available

7/10/2008 8:21:00 AM

UPDATE: Cost-recovery model transition

7/1/2008 11:20:00 AM

Update on new project transition and deadlines for those not moving to new system

DOWNTIME: Wednesday, June 11, 8am-5pm

6/6/2008 6:12:00 PM

REASON: Patches will be applied to both Linux and Windows servers.

Fileserver ctcfsrv13 experiencing hardware problems, only linux users affected.

5/16/2008 11:32:00 AM

ctcfsrv13 is experiencing hardware problems. This problem only affects linux users who have home folders on ctcfsrv13. Those users will be moved to other filesystems. If you think you are in this group, please contact us.

CAC downtime changes and updates

5/9/2008 1:35:00 AM

REASON: Patches and scheduler changes

Network maintenance 5/18/2008

5/6/2008 3:23:00 AM

Network connectivity to CAC managed servers will be lost on Sunday, May 18, 2008, 7:00 and 7:15 AM

CAC cluster changes

4/28/2008 2:00:00 PM

REASON: v2linux will be removed to be replaced with new cluster

DOWNTIME: Thursday, April 9, 8am-5pm

4/7/2008 11:00:00 AM

REASON: Patches will be applied to both Linux and Windows servers. Velocity Scheduler policy changes will be applied.

DOWNTIME: Wednesday, March 12, 8am-5pm

3/6/2008 4:13:00 PM

REASON: Patches will be applied to both Linux and Windows servers.

DOWNTIME: Wednesday, February 13, 8am-5pm

2/8/2008 2:43:00 PM

REASON: Patches will be applied to both Linux and Windows servers.

DOWNTIME: Wednesday, January 9, 8am-5pm

1/7/2008 11:41:00 AM

REASON: Patches will be applied to both Linux and Windows servers.

ctcloginb is available again.

1/2/2008 4:12:00 PM

This machine is back online at this time.

ctcloginb is unavailable.

1/2/2008 11:06:00 AM

ctcloginb is experiencing hardware trouble. CAC systems staff is working on it now.

DOWNTIME: Wednesday, Dec 12th, 8am-5pm

12/10/2007 11:00:00 AM

REASON: Patches will be applied to both Linux and Windows servers.

DOWNTIME: Wednesday, Wed, Nov 14th., 8am-5pm

11/9/2007 10:30:00 AM

REASON: Patches will be applied to both Linux and Windows servers.

Sessions disconnected for more than 24 hours will be terminated

11/5/2007 3:30:00 PM

All sessions to login nodes that are disconnected for more than 24 hours will be terminated in order to improve system response time.