Pillar Axiom: Windows host can lose access to mapped LUNs when a SAN Control Unit warmstarts
Last updated on DECEMBER 07, 2014
Applies to:Pillar Axiom 600 Storage System - Version Not Applicable to Not Applicable [Release N/A]
Pillar Axiom 500 Storage System - Version Not Applicable to Not Applicable [Release N/A]
Pillar Axiom 300 Storage System - Version Not Applicable to Not Applicable [Release N/A]
Information in this document applies to any platform.
In a particular case, the storage administrator was using SAN RepLite that caused SAN Slammer 1 CU 1 to restart because of iSCSI overload on the iSCSI card.
Replicated LUNs were unavailable in excess of 10 sec on some occurances and Windows considered the LUNs Offline.
The same problem can occur without replication and the Windows MPIO parameters listed below may prevent LUNs going offline at the OS level when the Control Unit is completing it's warmstart
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