Cluster disk disappear after upgrading SAN Switch firmware

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hello all,

need here. had activity of firmware upgrade san switch, , after upgrading firmware have found luns presented on windows server 2008 r2 got disappear. these luns using cluster disk. after server reboot luns visible.

so want know why luns got disappear , after reboot again came back.


thanks & regards,

abhijit deshpande 


was firmware update san or storage switch?  'upgrade san switch' i'm not sure component updating.

what topology of configuration?  2 controllers in san?  2 different san switches?  2 different paths hosts san disks?  san vendor?  did san vendor guarantee continuity of storage access during upgrade process (if san firmware)?  did switch vendor guarantee continuity of storage access during upgrade process (if switch firmware)?  mpio configured on cluster hosts?  microsoft mpio or storage vendor dsm?

. : | : . : | : . tim




Windows Server  >  High Availability (Clustering)



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