System information

Using the RAID GUI
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• Delete snapshot volume pairs
Select the snapshot volume pair(s) you want to delete and click Remove.
• Modify snapshot volume pairs
To modify a setting, select a snapshot volume and click Modify. Specify the following options for configuration.
• Expanding the capacity of snapshot volume pairs
To expand the capacity of a snapshot volume pairs, do the following:
1. Click Expand and specify the following options for an secondary volume expansion task.
• Detailed snapshot volume pair information
Click to display a complete list of snapshot volume pair information. You will see the following details.
• Create Spare COW volumes (S.COW.VOL)
Click Add to add a new spare COW volume, where up to a maximum of 128 volume pairs can be created. Specify the
following options for the configuration.
• Delete snapshot volume pairs
Select the spare COW volume you want to delete and click Remove.
• Create snapshot volumes
Click Create to add a new snapshot volume, where up to 4 snapshot volumes can be created per primary volume
(snapshot volumes). The total maximum number of snapshot volumes that can be created is 64. Specify the following
options for the configuration.
Overflow Alert (%) Specify an overflow alert threshold for a secondary volume. The range is from 50 to
99. When the allocated space exceeds the specified threshold, an alert notification
is generated. If not specified, the default threshold is 80.
To configure the same settings to all snapshot volume pairs, check the ‘Apply to
all volume pairs’ box.
Capacity (MB) The capacity of a logical disk can be expanded if there is a free chunk available on
the disk group.
Schedule Immediately: The task will start immediately.
Once: The task will start on the specified date and time.
Starting Free Chunk /
Ending Free Chunk
This option specifies the start and end of free chunks to be used for the expansion.
The Ending Free Chunk must be bigger than or equal to the Starting Free
Chunk.
Note
At least one free chunk must be adjacent to the logical disk.
Initialization Option Background / Noinit
Background applies only to the logical disks with parity-based RAID level or
mirroring-based RAID level.
• PV ID
• SV ID
• Overflow Alert(%)
COW VOL ID From the drop-down menu, specify an LD as the spare COW volume.