Jnl group detail pane, Figure 53 – HP XP Continuous Access Software User Manual

Page 128

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Figure 53 JNL Group Detail pane

JNL Group: Journal group's number.

Attribute: Journal group's attribute. When the journal group uses multiple mirror IDs, Attribute

indicates the attribute of the data volume in the journal group whose mirror ID is not Hold

or Hold(Failure).
• Initial: Journal group in initial status. Journal volumes are registered in this journal group, but

no data volumes (primary or secondary data volumes) are registered in this journal group.

• Master: Master journal group. Journal groups and primary data volumes are registered

in this journal group.

• Restore: Restore journal group. Journal groups and secondary data volumes are registered

in this journal group.

• Blank: No journal volumes and data volumes are registered in this journal group.

JNL Volumes: Number of journal volumes registered in the journal group.

JNL Capacity: Total capacity of all registered journal volumes.

Data Volumes: Number of data volumes associated with the journal group. When one journal

group uses multiple mirror IDs, Data Volumes indicates the number of data volumes in the journal

group whose mirror ID is not Hold or Hold(Failure).

Data Capacity: Total capacity of all data volumes. When one journal group uses multiple mirror

IDs, Data Capacity indicates the number of data volumes in the journal group whose mirror ID is

not Hold or Hold(Failure).

Meta/Data Ratio: Ratio of metadata area to journal data area. For example, if 16 appears, the

ratio of metadata area to journal data area is 1:16. If 32 appears, the ratio of metadata area to

journal data area is 1:32.

Extent: Number of extents.

Inflow Control: Indicates whether inflow of update I/Os to the journal volume is restricted (in

other words, whether to slow the delay response to hosts).
• Yes: Inflow is restricted.
• No: Inflow is not restricted.

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Using journal groups

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