Filter
Top Products
Chapter 7 Disk Array Configuration Setting
IV-45
About control volumes
(1) A control volume is a volume for control over a disk array. To use SnapControl, it is required on the server
where the LV is used.
(2) Specify the capacity of a control volume following the steps described below:
1. Specify the recommended capacity, and display the pull down menu.
2. From the pull down menu, select the capacity of 0.2 GB (0.2 GB appears on the top of the pull down
menu).
Figure 7-38 Screen for Specifying Logical Disks and Their Capacity
By selecting a logical disk from the list, you can bind the logical disks setting their capacities same with it. For
an unselectable logical disk, either of the following reasons is indicated in the Not Specify Reason column:
y Excess of capacity: The capacity of the logical disk is exceeding the unused space of the pool.
y Capacity unit disagreement: It is not possible to bind logical disks setting the same capacity with that
of this logical disk.
For detailed reasons for mismatching capacity units and details on binding logical disks with a RAID
configuration different from those in use, refer to Appendix D “Notes on Use for Data Replication”.
[OK] button: Applies the parameter you specified on this screen, and displays back the screen on which
you specified the capacity of the logical disks or the number of logical disks and their
capacity.