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AC Input Failed in p-class enclosure with 1U Power Enclosure and half of enclosure went down

 
Luis J. Fernández
Occasional Advisor

AC Input Failed in p-class enclosure with 1U Power Enclosure and half of enclosure went down

I have a p-class enclosure with 4 BL25p in Bay1, 2 3 and 4 and with two BL35p in Bay9 and Bay13. Tonight the four BL25p have powered down and in the meantime the two BL35p were powered up. I dont know if a input power failed happened but nobody have powered it off. IML Log and ILO Logs say: "Server power removed Slot 1" (2, 3 and 4) "Power Enclosure Power Supplies not redundant (in breaker, enclosure serial number XXX)" "Server Blade Enclosure inadequate power to power on. Lost redundant Power" Removing and reinserting the four Blades solved the problem and now they are working fine. Firmware revisions are not at last version (2.30), but these have not been false alarms. It has been true. The enclosure has 6 power supplies in an 1U enclosure. If a input electrical line fails: Have the other 3 power supplies to mantain power in all the enclosure (4 BL25p + 2 BL35p) ? I think the answer is YES. So, what can be wrong?