HP Hitachi Dynamic Link Manager Software User Manual

Page 470

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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

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