Table 10 Remote copy I/O statistics data (continued)
DescriptionData type
The average transfer rate for journals in the secondary storage system.
The unit is kilobytes per second.
R-JNL Average Transfer Rate
The remote I/O process time on the secondary storage system. The unit is
milliseconds.
R-JNL Average RIO Response
M-JNL
Data usage rate for master journals. The unit is percent.Data Used Rate
Metadata usage rate for master journals. The unit is percent.Meta Data Used Rate
R-JNL
Data usage rate for restore journals. The unit is percent.Data Used Rate
Metadata usage rate for restore journals. The unit is percent.Meta Data Used Rate
Manipulate 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 journal (mirror) status
The status of a mirror associated to a Journal relates to pair operations performed on the journal.
Monitoring these statuses can help you resolve problems and maintain the Continuous Access
Journal system. The status of a mirror associated to a Journal is viewed on the Journal Operation
window.
This section explains how to navigate to the Journal Operation window and provides definitions
for statuses.
To view journal status
1. In Remote Web Console, select Actions > Remote Copy > Continuous Access Journal > Journal
Operation.
2. In the tree, expand Registered then select the desired LDKC. Journals display in the tree and
mirrors display in the right-side pane.
See the status field.
Mirror status definitions
DescriptionStatus
Journal volumes are registered in the journal but data volumes are not registered.
Initial
The journal has Cnt Ac-J pairs that are synchronized, or the initial copy is in progress.
If a journal in Active status contains pairs that are split, a warning appears. The split pairs must
be resynchronized.
Active
The status at the beginning of a mirror-split operation. The status changes immediately to Halting.
HaltAccept indicates status of restore journals only.
HaltAccept
78 Monitoring the system
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