Hitachi XP P9500 User Manual page 396

Displayed Item
No
summary
displayed
Status
#
Type
IO-Count
IO-Errors
#
DNum
HDevName
6-44
Summary
displayed
Status of the path
•
•
•
•
Paths that are Offline(E) or Online(E) require corrective
action. The appropriate action can be determined by
referring to
Attribute of the path
Type
•
•
When connecting to Lightning 9900 series, Lightning 9900V
series, Hitachi USP, Universal Storage Platform V/VM,
Virtual Storage Platform, Hitachi AMS2000 series, or Hitachi
SMS, all paths are owner paths.
Total I/O count for the path, indicated by a decimal
# -
number. The maximum value that can be displayed is 2
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
Path Statistics to the Initial Value) on page
# Total I/O error count for the path, indicated by a decimal
-
number. The maximum value that can be displayed is 2
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
the Path Statistics to the Initial Value) on page
Dev number, where 0 (fixed) is displayed.
-
This item pertains to a partition number.
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
Command Reference
Hitachi Dynamic Link Manager User Guide (for Linux(R))
Description
Online: Online
Offline(C): Offline status caused by a command
operation
Offline(E): Offline due to an error
Online(E): Failure has occurred (If none of the paths
accessing one LU have an Online status, one of those
paths is changed to the Online(E) status.)
What To Do for a Path Error on page
Own: Owner path
Non: Non-owner path
5-3.
32
-
clear (Returns the
6-3.
32
-
clear (Returns
6-3.
2-11.