HP Hitachi Dynamic Link Manager Software - Manual (Page 48)

Figure 2-11 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 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.
#2
When an Online or Offline(E) path exists among the paths that access the
same LU.
2-24
HDLM Functions
Hitachi Dynamic Link Manager User Guide for Linux ®