On 7/19/2013 12:54 AM, Gordon Messmer wrote: > Regardless of your storage, your system should be powered by a monitored > UPS. Verify that it works, and the drive's cache shouldn't be a major > concern. done right, there should be two UPS's, each hooked up to alternate redundant power supplies in each chassis. even so, things happen. a PDU gets tripped and shuts off a whole rack unexpectedly. -- john r pierce 37N 122W somewhere on the middle of the left coast