HP XP Racks User Manual

Page 283

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Description

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Summary

displayed

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.)

Online(S): I/O operations to the primary

volume (P-VOL) in an HAM environment are

suppressed.

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

-

Attribute of the path

Own: Owner path

Non: Non-owner path

When connected to the Lightning 9900V series,

Hitachi USP series, Universal Storage Platform V/VM

series, Virtual Storage Platform series, VSP G1000
series, Hitachi AMS2000 series

#3

, Hitachi SMS

series

#3

, HUS100 series

#3

, or HUS VM, all paths are

owner paths.

IO-Count

#1

-

Total I/O count for a path. The maximum value that
can be displayed is 2

32

- 1 (4294967295). If the

total I/O count reaches the maximum value, it is

reset, and the count is re-started 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 a path. The maximum value
that can be displayed is 2

32

- 1 (4294967295). If the

total I/O error count reaches the maximum value, it

is reset, and the count is re-started 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, indicated by a decimal number.
This item pertains to a logical volume number.

Command Reference

6-67

Hitachi Dynamic Link Manager (for AIX) User Guide

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