We recently upgraded EMC VNXe 3200 storage array from 3.1.1.5395470 to 3.1.1.5803064 (VCE RCM 5.0.10 or 6.0.3). Upgrade completed successfully (the NFS services failed over and back between Storage Processors without any issues and the hosts did not lose connectivity to the storage) but at the last minute we received the following error messages:
“The DPE has faulted”
It is unsafe to remove SP B now
It is unsafe to remove SP A now
System VNXe has experienced one or more problems that have had a major impact
This is a known issue and fix is being developed. A permanent fix will be available in MR1SP2 code (3.1.2.). Since this does not impact production and also hardware is not actually faulted, these alert messages can be safely ignored.
Cause: Baseboard Management Controller (BMC) is onboard device which queries all hardware components periodically. At some point some of the components take long time to process this request. This delay results in ‘timeout’ according to BMC which thinks components are bad. However, next cycle of device query may work fine and result in ‘operating normally’ message. This software bug has been identified and timeout value has been enhanced to accommodate any delay.
I hope this will help.
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