On 09/05/2012 02:46 PM, Douglas Eadline wrote: > >> I'm not sure that google actually does servicing per se.. they mark it >> dead, and just move on. The cost to service (or even to diagnose) is >> probably higher than the cost of just overprovisioning. > > I would assume this as well. Over provision for an expected > decay rate and life cycle. Colonizing insects figured this > out already.
Not sure if they still do it, but in the video I shared they clearly demonstrate a tech replacing a unit (kind of, he put a unit in where a slot blocker was, but they didn't say whether that was previously empty or was from a pulled unit). I have doubts that they try to fix all (or any of) those bad, pulled units, but I bet to try and take maximum advantage of the cooling and switching expenses per container they do swap them out in chunks, maybe when some threshold is hit on a container (10 or more machines dead or some such thing). Best, ellis _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
