HP StorageWorks 4400 User Manual

BehaviorPoint in timeSetting
All LUNs remain on the surviving control-
ler. There is no failback except if a host
moves the LUN using SCSI commands.
On controller failback
The units are brought online to Controller
1.
At initial presentation
Path A - Failover Only
If cache data for a LUN exists on a partic-
ular controller, the unit will be brought
online there. Otherwise, the units are
brought online to Controller 1.
On dual boot or controller resynch
All LUNs are brought online to the surviv-
ing controller.
On controller failover
All LUNs remain on the surviving control-
ler. There is no failback except if a host
moves the LUN using SCSI commands.
On controller failback
The units are brought online to Controller
2.
At initial presentation
Path B - Failover Only
If cache data for a LUN exists on a partic-
ular controller, the unit will be brought
online there. Otherwise, the units are
brought online to Controller 2.
On dual boot or controller resynch
All LUNs are brought online to the surviv-
ing controller.
On controller failover
All LUNs remain on the surviving control-
ler. There is no failback except if a host
moves the LUN using SCSI commands.
On controller failback
The units are brought online to Controller
1.
At initial presentation
Path A - Failover/Fail-
back
If cache data for a LUN exists on a partic-
ular controller, the unit will be brought
online there. Otherwise, the units are
brought online to Controller 1.
On dual boot or controller resynch
All LUNs are brought online to the surviv-
ing controller.
On controller failover
All LUNs remain on the surviving control-
ler. After controller restoration, the units
that are online to Controller 2 and set to
Path A are brought online to Controller 1.
This is a one-time occurrence. If the host
then moves the LUN using SCSI com-
mands, the LUN will remain where moved.
On controller failback
The units are brought online to Controller
2.
At initial presentation
Path B - Failover/Fail-
back
EVA4400 operation38

HP StorageWorks 4400 Specifications

General

Brand	HP
Model	StorageWorks 4400
Category	Storage
Language	English