Hydra Cluster Tentative Availability after Emergency Maintenance

Dear Hydra users, this is an update on the latest Hydra cluster RAID disk system maintenance.

We recovered the DDN controller B side which was misbehaving and caused the GPFS to crash back on 09/11/2012 afternoon.

We are opening Interactive and Batch processing on Hydra on a tentative basis. You are strongly advised to seriously consider the operational stability of this system which is summarized as follows:

Processing on HYDRA carries the risk of an abrupt and, perhaps, permanent system shutdown.

Posted on: 6:20 PM, September 13, 2012