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HP XP7 Storage User Manual

Page 43

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Figure 2-11 Path Status Transitions

Legend:

Online operation: Online operation performed in the Path Management

window or by executing the dlnkmgr command's online operation.
Offline operation: Offline operation performed in the Path Management

window or by executing the dlnkmgr command's offline operation.

#1

During reserve processing for an LU, the Online status is temporarily

changed to Online(P). When the reservation processing finishes, the
Online(P) status is changed to Offline(C).

#2

When the following conditions are satisfied, the connected Offline(C)

paths are automatically placed online:

¢

All the online paths are Online(E) and all the SCSI devices connected

to the Online(E) paths have been deleted.

¢

SCSI devices are connected and all the Offline(E) paths are subject

to automatic failback.

¢

SCSI devices are connected to the Offline(C) paths.

#3

When a path is added dynamically, initially the path status is Offline(C).

The path status will then automatically change to Online. For details on

dynamically adding a path, see

Setting Up an Added LU and Path as an

HDLM Management-target on page 4-16

.

#4

HDLM Functions

2-23

Hitachi Dynamic Link Manager (for Windows®) User Guide

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