Oracle Linux: DMMP best practices for direct connect with EMC storage. (Doc ID 2035832.1)

Last updated on OCTOBER 16, 2015

Applies to:

Linux OS - Version Oracle Linux 5.11 and later
Linux x86

Symptoms

On a server with dual HBA units to direct-connect to an EMC VNX storage SAN, a failed and caused all the LUN's to fail-over to the second HBA.  When failure was corrected, the failed HBA returned to service, only half the LUN inventory was discovered. All the LUN inventory was correctly discovered after the next server reboot.   Also During a NDU upgrade paths are removed.

Changes

No configuration changes were made.

Cause

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