Hitachi Dynamic Link Manager Software Users Guide for Linux
Displayed Item
Description
No
summary
displayed
Summary
displayed
• Online(D): The paths to the primary volume (P-VOL)
in an HAM environment can be recovered
automatically.
Paths that are Offline(E) or Online(E) require corrective
action. The appropriate action can be determined by
referring to
What To Do for a Path Error on page 5-3.
Type
#1
Type
Attribute of the path
• Own: Owner path
• Non: Non-owner path
When connecting to Lightning 9900V series, Hitachi USP
series, 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.
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.
DNum
#1
-
Dev number, where 0 (fixed) is displayed.
This item pertains to a partition number.
HDevName
#1
-
Host device name.
The name of the logical device file (minus the partition
number), /dev/sddlm[aa-pap], for the HDLM device.
For details on logical device files for HDLM devices, see
Logical Device Files for HDLM Devices on page 2-11.
IEP
#1
-
Information about the intermittent error.
This item is displayed only when you specify -iem with the
-path parameter.
One of the following values is displayed for each path:
6-50
Command Reference
Hitachi Dynamic Link Manager (for Linux®) User Guide