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Cisco Bug: CSCte36784 - ESX crashed when fc link down due to switch failover

Last Modified

Oct 04, 2012

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

1.1(0.261)

Description (partial)

Symptom:
Host crash

Conditions:
(1)  multiple vHBA initiators are configured in the same zone so that they are visible to each other and try to login to each other

(2)storage multipathing is not configured by having active and standby paths through the UCS switches. There is only 1 path through 1 UCS switch.

(3)active switch is rebooted

If all above 3 conditions are true, the vhba driver can be exposed to a situation in which two initiators can try to login to each other at the same time, and cause host crash.
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