Hitachi Dynamic Link Manager Software Users Guide for VMWare

Displayed Item
Description
No
summary
displayed
Summary
displayed
Status
Status of the path
• Online: Online
• Offline(C): Offline status caused by a command
operation
• Offline(E): Offline due to an error
• Online(S): I/O operations to the primary volume (P-
VOL) in an HAM environment are suppressed.
• Online(D): The paths to the primary volume (P-VOL)
in an HAM environment can be recovered
automatically.
Paths that are in Offline(E) status require corrective
action. The appropriate action can be determined by
referring to What To Do for a Path Error on page 5-2.
Type
#1
Type
Attribute of the path
• Own: Owner path
• Non: Non-owner path
When connecting to Universal Storage Platform V/VM
series, Virtual Storage Platform series, VSP G1000 series,
Hitachi AMS2000 series
#2
, Hitachi SMS series
#2
, HUS100
series
#2
, or HUS VM, all paths are owner paths.
IO-Count
#1
-
Total I/O count for the path, indicated by a decimal
number. The maximum value that can be displayed is 2
32
-
1 (4294967295). If the total I/O count reaches the
maximum value, it will re-start from 0.
To reset the IO-Count value to 0, execute the dlnkmgr
command's clear operation. Executing the clear operation
also resets the number of I/O errors (IO-Errors) to 0. For
details about the clear operation, see
clear (Returns the
Path Statistics to the Initial Value) on page 6-3.
However, a hyphen (-) is displayed when an algorithm
other than the following is used:
• exrr: The Extended Round Robin algorithm
• exlio: The Extended Least I/Os algorithm
• exlbk: The Extended Least Blocks algorithm
IO-
Errors
#1
-
Total I/O error count for the path, indicated by a decimal
number. The maximum value that can be displayed is 2
32
-
1 (4294967295). If the total I/O error count reaches the
maximum value, it will re-start from 0.
To reset the IO-Errors value to 0, execute the dlnkmgr
command's clear operation. Executing the clear operation
also clears the number of I/O operations (IO-Count) to 0.
For details about the clear operation, see
clear (Returns
the Path Statistics to the Initial Value) on page 6-3.
6-42
Command Reference
Hitachi Dynamic Link Manager (for VMware®) User Guide