search for: dataroom

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2012 May 01
2
Batch shutdown?
Hello list, I am a pretty green Linux admin managing 3 ROCKS CentOS clusters total about 2,000 cores. My predecessor set up NUT for me on the primary head node. We have about 42 Tripplite UPS units in the room. The way our power systems work I intend to use the NUT connected head node to shut down the entire server room any time power is lost for over 30 seconds or so. It is about 95% likely that