Manual

Table 4 Failback preference settings
Setting Point in time
Behavior
At initial pres
entation
The units are al
ternately brought online
to Controller
AortoControllerB.
On dual boot or controller resynch
If cache data for a LUN exists on a
particular controller, the unit will be
brought online there. Other wise, the
units are alternately brought online to
Controller A or to Controller B.
On controller failover
All LUNs are brought online to the
surviving controller.
No preference
On controller failback
All LUNs rem
ain on the sur viving
controller. There is no failback except
if a host moves the LUN using SCSI
commands.
At initial presentation 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. Other wise, the
units are brought o nline to Controller A.
On contr
oller failover
All LUNs are brought online to the
surviving controller.
Path A - Failover
Only
On controller failback
All LUNs 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 are brought online to Controller
B.
On dual boot or controller resynch
If cac
he data for a LUN exists on a
part
icular controller, the unit will be
brou
ght online there. Otherwise, the
unit
s are brought online to Controller B.
On controller failover
All LUNs are brought online to the
surviving controller.
Path B - Failover Only
On controller failback
All LUNs remain on the survi ving
controller. There is no failback except
if a host moves the LUN using SCSI
commands.
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Enterprise Virtual Array operation