PACE A Partnership for an Advanced Computing Environment

October 20, 2011

Urgent: Cygnus & FoRCE head nodes reboot at 7pm due to Storage issues

Filed under: tech support — Tags: — Semir Sarajlic @ 9:38 pm

Hey folks,

We suffered a temporary loss of connectivity to the backend storage
serving our VM farm earlier this afternoon. As such, several running
VMs moved their OS filesystems to a read-only state.

The filesystems on which your data is stored are fine, however.

Unfortunately, though, the head nodes for Cygnus and the FoRCE
clusters were affected, and judging by our previous experience with
this, we need to reboot these nodes soon. As such, we ask any
currently logged in users to please save their data now and logout.

We are scheduling a reboot of these systems at 7:00pm EDT. A few
minutes after that, the nodes should be available and fully functional.

No jobs have been, nor will be lost in this process.

We are sorry for the inconvenience, and plan to keep you up to date
with any further issues with these, as well as the rest of the machines.

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