Settings supported
Default behavior
Operating system
All settings allowed:
No Preference
Path A/B – Failover Only
Path A/B – Failover/Failback
Failback performed on the host
Windows
2
No Preference
Path A/B – Failover Only
Failback performed on the host
Sun Solaris
No Preference
Path A/B – Failover Only
Failback performed on the host
IBM AIX
No Preference
Path A/B – Failover Only
Failback performed on the host
Linux
No Preference
Path A/B – Failover Only
Failback performed on the host
Novell NetWare
No Preference
Path A/B – Failover Only
Failback performed on the host
VMware
1
For HPUX 11.31 native multipathing, the supported settings are No Preference and Path A/B - Failover Only
2
These settings apply to Active/Active MPIO DSM version 3.x.
Changing virtual disk failover/failback setting
Changing the failover/failback setting of a virtual disk may impact which controller presents the disk.
Table 14
identifies the presentation behavior that results when the failover/failback setting for a virtual
disk is changed.
NOTE:
If the new setting causes the presentation of the virtual disk to move to a new controller, any snapshots
or snapclones associated with the virtual disk will also be moved.
Table 14 Impact on virtual disk presentation when changing failover/failback setting
Impact on virtual disk presentation
New setting
None. The disk maintains its original presentation.
No Preference
If the disk is currently presented on controller B, it is moved to
controller A. If the disk is on controller A, it remains there.
Path A Failover
If the disk is currently presented on controller A, it is moved to
controller B. If the disk is on controller B, it remains there.
Path B Failover
If the disk is currently presented on controller B, it is moved to
controller A. If the disk is on controller A, it remains there.
Path A Failover/Failback
If the disk is currently presented on controller A, it is moved to
controller B. If the disk is on controller B, it remains there.
Path B Failover/Failback
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