Owner's manual

Setting Point in time
Behavior
At initial p resentation The units are brought online to Controller
A.
On dual boot or controller resynch
If cache data fo
raLUNexistsona
particular co
ntroller, the unit will be
brought onlin
ethere. Otherwise,the
units are brou
ght online to Controller A.
On controller failover
All LUNs are brought online to the
surviving controller.
Path A - Failover
Only
On controller failback
All L UNs remain on the survi ving
controller. There is no failback except
if a host moves the LUN using SCSI
commands.
At initial
presentation
The units a
re brought online to Controller
B.
On dual boot or controller resynch
If cache data for a LUN exists on a
particular controller, the unit will be
brought online there. Otherwise, the
units are brought online to Controller B.
On controller failover
All LUNs are brought online to the
surviving controller.
Path B - Fai
lover Only
On controller failback
All L UNs
remain on the surviving
controller. There is no failback except
if a host moves the LUN using SCSI
commands.
At initial p resentation The units are brought online to Controller
A.
On dual boot or controller resynch
If cache data for a LUN exists on a
particular controller, the unit will be
brought online there. Otherwise, the
units are brought o nline to Controller A.
On co
ntroller failover
All LUNs are brought online to the
surviving controller.
Path A - Failover/
Failback
On controller failback
All L UNs remain on the survi ving
controller. After c ontroller restoration,
the units that are online to Controller B
and set to Path A are b rought online
toControllerA.Thisisaonetime
occurrence. If the host then moves the
LUN using SCSI commands, the LUN will
remain where moved.
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Enterprise Virtual Array operation