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HP XP P9500 Storage User Manual

Page 44

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Figure 2-9 Path status transitions

Legend:

Online operation: Online operation performed by executing the dlnkmgr

command's online operation.
Offline operation: Offline operation performed by executing the dlnkmgr

command's offline operation.

#1

When no Online or Offline(E) paths exist among the paths that access

the same LU.

#2

When the following conditions are satisfied, a path that has been

determined to have an intermittent error also becomes subject to

automatic failback:

¢

All the paths connected to an LU are Online(E), Offline(E), or
Offline(C).

¢

All the paths connected to an LU have been determined to have an

intermittent error.

¢

The processing of continuous I/O operations issued to an LU is

successful.

#3

2-22

HDLM Functions

Hitachi Dynamic Link Manager User Guide for AIX

®

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