HP Hitachi Dynamic Link Manager Software User Manual
Page 470
6. Command Reference
446
PathStatus
Status of the displayed paths. The displayed status indicates the following:
•
Online
: All paths are available.
•
Reduced
: Some paths are not available.
Reduced
means that some paths might have an error status, in which case you
should check the status of individual paths and resolve the problem for any paths
that have an error status.
IO-Count
Total I/O count for the displayed paths, 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.
IO-Errors
Total I/O error count for the displayed paths, 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..
PathID
The AutoPATH_ID indicated by a decimal number.
The AutoPATH_ID is assigned every time the host is restarted. When a new LU
was added and the host has not been restarted, AutoPATH_ID is re-assigned to
each path of the LU when you execute the HDLM-configuration definition utility
(
dlmcfgmgr
).
PathName
#
-
The path name, which indicates a path. When you modify the system
configuration or replace a hardware item, you should check the path names to
identify the physical path that will be affected by the change.
Path
name
consists
of the following four elements, separated by periods:
• Host port number (hexadecimal number)
• Bus number (hexadecimal number)
• Target ID (hexadecimal number)
• Host LU number (hexadecimal number)
For details about each element of the path name and its representation in Linux,
see Table 6-13: Elements of a path name.
DskName
#
DskName
Storage system name, which identifies the storage system that is accessed by a
path.
A storage system name consists of the following three elements, separated by
periods:
• Vendor ID: The name of the storage system vendor (for example,
HITACHI
).
• Product ID: Indicates the storage system product ID, emulation type, or
model ID (for example, OPEN-3).
For more details, see Table 6-14: Product ID displayed by the view -path
operation.
• Serial number: The serial number of the storage system (for example,
15001
).
You can identify an actual storage system by referencing the above information
from the storage system management program.
Displayed Item
Description
No
summary
displayed
Summary
displayed