Resizing the usage monitor graph, saving data, Monitoring, maintaining logical paths, Logical path status definitions – HP XP P9500 Storage User Manual

Page 68

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Description

Data type

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 Synchronous Tracks

(1) The RIO statistics are included for Cnt Ac-S and Cnt Ac-S Z operations, if present.

(2) Synchronization data does not display for pairs created with the previous version of Continuous Access
Synchronous. In this case “0” displays.

5.

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 LUs.

Resizing the usage monitor graph, saving data

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

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

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

Monitoring, maintaining logical paths

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

Procedure 17 To monitor logical path status

1.

In the Remote Web Console, click Actions > Remote Copy > Continuous Access Synchronous
> RCU Operation.

2.

Select MCU&RCU in the Display box.

3.

Select the RCU you want, right-click, then click RCU Status. The RCU Status dialog box displays.

Logical path status definitions

The following table provides logical path status descriptions. To make sure your pair statuses are
current, click File/Refresh in the Remote Web Console window.

Definition

Status

This path has been successfully established and can be used for Continuous Access
Synchronous remote copy activities.

Normal

The link initialization procedure with the secondary system has failed, because the physical
path connection between either the primary and secondary system, or between the primary
system and the host, was missing.

Initialization Failed

A timeout error has occurred between the primary and secondary system.

Communication Timeout

The logical path link function has been rejected by the secondary system. All logical path
resources in the secondary system might be used for other connections.

Path Rejected

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Monitoring and maintenance

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