![background image](http://html.mh-extra.com/html/hitachi/dynamic-link-manager/dynamic-link-manager_user-manual_145987472.webp)
6. Command Reference
448
IO-Count
#
-
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
6.2 clear (Returns
the Path Statistics to the Initial Value)
.
IO-Errors
#
-
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
6.2 clear (Returns the Path Statistics
to the Initial Value)
.
DNum
#
-
Dev number, where 0 (fixed) is displayed.
This item pertains to a partition number.
HDevName
#
-
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
2.6 Logical Device
Files for HDLM Devices
.
IEP
#
-
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:
•
-
Indicates that intermittent error monitoring is disabled or the monitoring time
for an intermittent error is out of range.
•
A value of at least 0
Indicates the number of errors that occurred during intermittent error
monitoring.
•
*
Indicates that an intermittent error occurred (automatic failbacks do not
check the path).
HBAPortWW
N
#
-
A 16-digit hexadecimal number indicating the WWN information for an HBA
connected to the storage system. This item is displayed only when you specify
-iem
together with the
-hbaportwwn
parameter.
For an iSCSI interface, a hyphen (
-
) is displayed.
Displayed Item
Description
No
summary
displayed
Summary
displayed
Summary of Contents for Dynamic Link Manager
Page 1: ...Hitachi Dynamic Link Manager Software User s Guide for Linux R 3000 3 F04 60 E ...
Page 4: ......
Page 16: ......
Page 154: ...3 Creating an HDLM Environment 130 Figure 3 1 Flow of HDLM Environment Setup ...
Page 162: ...3 Creating an HDLM Environment 138 ...
Page 309: ...3 Creating an HDLM Environment 285 Figure 3 33 Example of Creating an ext2 File System ...
Page 352: ......
Page 362: ...4 HDLM Operation 338 A Fibre Channel switch s zone setting is changed ...
Page 375: ...4 HDLM Operation 351 ...
Page 410: ......
Page 546: ......
Page 549: ...8 Messages 525 HDLM driver filter component HDLM alert driver HDLM management target ...
Page 590: ...8 Messages 566 dd dd Maintenance information hexadecimal number Action None ...
Page 594: ...8 Messages 570 aa aa Name of file where error was detected Action Reinstall an HDLM ...
Page 713: ...8 Messages 689 utility see 7 2 DLMgetras Utility for Collecting HDLM Error Information ...
Page 714: ......
Page 738: ......