Status Transitions Of A Path - Hitachi XP P9500 User Manual

Status Transitions of a Path

Figure 2-9 Path Status Transitions on page 2-20
of a path.
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:
¢
¢
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2-20
Figure 2-9 Path Status Transitions
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.
HDLM Functions
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
shows the status transitions