HP XP Racks - Manual (Page 45)

This path is deleted when the AIX chdev command is executed on an
hdisk where an Online or Offline(E) path exists. To restore the deleted
path, remove the cause of the error and then execute the AIX mkdev -l
hdisk-name or cfgmgr command.
#4
When an Online or Offline(E) path exists among the paths that access
the same LU.
#5
One of the Offline(E) paths is changed to the Online(E) path.
#6
When an Offline(E) path exists among the paths that access the same
LU.
Figure 2-10 Path Status Transitions (P-VOL in HAM environment)
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
Also when an error occurs in all the paths to an S-VOL in the Online(D)
status.
#2
When I/O operations are processed on an S-VOL.
HDLM Functions
2-23
Hitachi Dynamic Link Manager (for AIX) User Guide