The Storage Area Network (SAN) that serves these machines will be reconfigured at 8am which will result in a brief outage. Ideally all services will remain available but service might be disrupted for ten to fifteen minutes.
UPDATE
[2010-01-28 08:09:20 | Robert McNicholas]
The SAN configuration work was completed at approximately 8:05am. No service outages occurred.
Resolved as of 2010-01-28 08:05:00