HP 4100 Enterprise Virtual Array - Manual (Page 28)

Properties
Device Port Property Description/Comments
World Wide Name The device port World Wide Name .
Loop ID The ID of the controller on this loop, in hexadecimal format.
Example: 7C.
Operational State
If the disk device port Operational State is failed, an Enable Port
Pair button appears. After you fix the port problem, click the
button to re-enable the port. See operational states .
ALPA Arbitrated Loop Physical Address, in hexadecimal format. The
lower the ALPA number, the higher the arbitration priority.
Example: 02.
Loop Position The sequential physical position of the port within the arbitrated
loop cabling.
Storage System Property Description/Comments
Automatic Loop Recovery The setting of the policy for automatic loop pair recovery. You
can change the setting enabled or disabled and click the Save
Changes button.
Disk Drive Loop Ports After fixing or replacing bypassed physical disks, click the
Unbypass All button.
Controller host port properties
Review the controller host port properties and perform administrative procedures.
Considerations
• Avoid an incorrect topology setting.
CAUTION:
An incorrect topology setting causes the HP EVA storage system to lose communication with the
storage area network.
Procedures
Topology - change.
1. Review the Topology property, fabric or direct.
2. If necessary, change the setting and click Save changes. The topology setting is immediately
changed.
Properties
Fibre Channel Switch Property Description/Comments
Operational State Whether an internal Fibre Channel switch is present or not and its
state. See operational states .
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