Resize graph, save data, Monitor, maintain logical paths – HP XP P9500 Storage User Manual

Page 66

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5.

In the Select Volume box, select one of the following:

ALL Volumes, to view I/O statistics for all LDEVs in the system. When selected, the LDKC
number, CU number, and LDEV number appear above the graph.

- A device ID ending in # (e.g., 00:00:3F #) indicates the LDEV is an external volume.
For more information, see the HP P9000 External Storage for Open and Mainframe
Systems User Guide
.

Volume, to view I/O statistics for a specific LDEV. Enter the LDKC number (00 or 01),
CU number (00-FE) and LDEV ID (00-FF) of the desired volume.

6.

In the Monitor Data boxes, select the I/O statistics data that you want to appear on the graph.
You must select at least one box. The following describes the selections you can make.

Table 29 Remote copy I/O statistics data

Description

Data type

RIO Count

Total number of remote I/Os

All RIO Count

Total number of write I/Os

All Write Count

Number of errors that occur during remote I/O

RIO Error Count

Initial Copy

Number of initial copy remote I/Os

Initial copy RIO count

Average transfer rate for initial remote I/Os (kB/sec)

Average Transfer Rate

Average response time (msec) for initial copy remote I/Os

Average response

Update Copy

Number of update copy remote I/Os

Update copy RIO count

Average transfer rate (kB/sec)

Average transfer rate

Average response time (msec) for update copy remote I/Os

Average response

Synchronization [2]

For initial copy operations, the percentage of pairs synchronized out
of the total number of pairs

Pair Synchronized

Number of tracks that have not yet been copied by the initial or resync
copy operation

Out of Sync Tracks

(1) The RIO statistics are included for Continuous Access Synchronous Z OPEN and z/OS operations, if present

(2) Synchronization data cannot be displayed for pairs created with the previous version of Continuous Access
Synchronous Z. “0” displays in this case.

7.

Click Set to close the Display Item dialog box. The Usage Monitor window now shows a graph
of the selected I/O statistics data for the selected LDEV(s).

Resize graph, save data

To enlarge the graph, right-click it and select Large Size.

To close the graph, right-click it and select Close.

To save monitoring data in text files, use the Performance Monitor Export Tool.

Monitor, maintain logical paths

Check logical path status to keep track of and maintain paths.

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Monitoring and maintenance

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