HP StorageWorks XP Remote Web Console Software User Manual

Page 97

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Continuous Access XP Journal user guide

97

• Blank: Journal volumes and data volumes are not 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.

Data Capacity: Total capacity of all data volumes.

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

ratio of metadata area to journal data area is 1:16. If 32 is displayed, 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 delay response to hosts).
• Yes: Inflow is restricted.
• No: Inflow is not restricted.
Inflow Control displays nothing if the journal group is a restore journal group.

Data Overflow Watch (sec): Time (in seconds) for monitoring whether metadata and journal data are

full.

NOTE:

Data Overflow Watch displays nothing when one of the following conditions is satisfied:

• Inflow Control is No.
• The journal group is a restore journal group.

Copy Pace: Pace for an initial copy activity for one volume: High, Medium, or Low.

NOTE:

• By default, the pace for an initial copy activity is Low.
• Copy Pace displays nothing if the journal group is a restore journal group.

Use of Cache: Indicates whether journal data is stored in the restore journal group in cache.
• Use: Journal data is stored in cache.

NOTE:

When there is insufficient space in cache, journal data is also stored in the journal volume.

• Not Use: Journal data is not stored in cache.

CAUTION:

This setting does not take effect on master journal groups. However, if you use the RAID

Manager

horctakeover

command to change a master journal group to a restore journal group,

this setting takes effect on the journal group.

Speed of Line: Line speed of data transfer. The unit is Mbps (megabits per second).
One of the following is displayed: 256, 100, or 10.

CAUTION:

This setting does not take effect on master journal groups. However, if you use the RAID

Manager

horctakeover

command to change a master journal group to a restore journal group,

this setting takes effect on the journal group.

JNL Volumes: List of registered journal volumes.
• Parity Group: Parity group where a journal volume belongs.
• CU:LDEV: Journal volume’s CU and LDEV number. The CU number is displayed to the left of the

colon (:). The LDEV number is displayed to the right of the colon.

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