HP Hitachi Dynamic Link Manager Software Licenses User Manual
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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 issued to an LU is successful.
#3
When an Online or Offline(E) path exists among the paths that access the
same LU.
HDLM Functions
2-21
Hitachi Dynamic Link Manager (for Solaris) User Guide