HP StorageWorks Enterprise Virtual Array 3000/5000 Release Notes (VCS 3.028) (5697-5385, December 2005)

by specifying host volumes and logical volumes. With host agents, you can also: suspend/resume
application I/O, mount/unmount volumes, and launch backup applications. The RSM host a gent
command line interface supports interaction between HP Business Copy jobs and host scripts.
For more information on HP Business Copy EVA and HP Replication Solutions Manager, visit the following
web site:
h
ttp://h18006.www1.hp.com/products/storage /software/bizcopyeva/index.htm l
Documentatio
n updates
The following
information supplem ents the c ontents of the HP StorageWorks Enterprise Virtual Array
3000/5000 us
er guide. This information will be included in the next edition.
Failback Preference Setting for HSV controllers
Table 4 describes the failback preference mode for ea ch of the operating systems supported with HSV
controllers and HP Command View EVA.
Table 5 describes the failback default behavior and settings allowed for each operating system. The table
indicates when Secure Path is used in conjunction with the operating system
Table 4 Failback Preference Settings
Setting Point in time
Behavior
At initial presentation The units are alternately brought online
toControllerAortoControllerB.
On dual boot or controller resynch
If cache da
ta for a LUN exists on a
particula
r controller, the unit will be
brought on
line there. Otherwise, the
units are
alternately brought online to
Controll
erAortoControllerB.
On controller failover
All LUNs are brought online to the
surviving controller.
No preference
On controller failback
All LUNs remain on the surviving
controller. There is no failback except
if a host moves the LUN using SCSI
commands.
At init
ial presentation
The uni
ts are brought online to Controller
A.
On dual boot or controller resynch
If cache data for a LUN ex ists on a
particular controller, the unit will be
brought online there. Otherwise, the
units are brought 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 sur viving
controller. There is no failback except
if a host moves the LUN using SCSI
commands.
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