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HP Hitachi Dynamic Link Manager Software User Manual

Page 433

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6. Command Reference

411

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 on 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 on the

clear

operation, see 6.2 clear (Returns the Path Statistics to

the Initial Value).

DNum

#

--

A hyphen (-) is displayed.

HDevName

#

--

Host device name.
The name of the logical device file (minus the slice number, in

c

U

t

X

d

Y format)

for the HDLM device
U: Controller number reserved by HDLM.
X: Target ID or WWN (World Wide Name) of the sd or ssd device for the HDLM

device
Y: LUN of the sd or ssd device for the HDLM device

IEP

#

--

Information about the intermittent error.
This item is displayed only when you specify

-iem

together 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 (the path status is

Online(E)

or

Offline(E)

).

A value of at least 0

Indicates the number of errors that occurred during intermittent error
monitoring (the path status is

Online(E)

,

Offline(E)

, or

Online

).

*

Indicates that an intermittent error occurred (automatic failbacks do not

check the path) (the path status is

Online

,

Onlin(E)

,

Offline(E)

, or

Offline(C)

).

Displayed Item

Description

No

summary

displayed

Summary
displayed