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HP Hitachi Dynamic Link Manager Software User Manual

Page 52

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2. HDLM Functions

30

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