HP XP Continuous Access Software - Manual (Page 133)

• To modify a setting, right-click the setting in the Preset list, and select Modify.
• To cancel a setting, right-click the setting, and select Cancel.
6. Click Apply to apply the settings.
NOTE:
If an error occurs, the right-most column of the Preset list displays the error code. To view
detailed information about the error, right-click the error code, and select Error Detail. An
error message appears providing detailed information about the error.
Figure 54 Change JNL Option pane
•
Meta/Data Ratio: Ratio of metadata area to journal data area. For example, if you select 16,
the ratio of metadata area to journal data area is 1:16. If you select 32, the ratio of metadata
area to journal data area is 1:32.
NOTE:
In the current version, you cannot change the ratio of metadata area to journal data area.
• Extent: Number of extents.
NOTE:
In the current version, the number of extents is always 32 and cannot be changed.
• Inflow Control: Specifies 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.
NOTE:
If you select Yes and the metadata or journal data is full, update I/Os might stop.
NOTE:
Secondary array administrators cannot change this option.
Continuous Access XP Journal user guide 133