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xStack Storage User’s Guide 61
If you select an unacceptable configuration, the
Finish
button remains gray
and unavailable until you correct the configuration. Examples are an odd
number of drives for a mirrored stripe configuration, 1 or 2 drives for a
parity volume, and 1 drive for a Mirror configuration.
If you specify a volume larger than the selected drives can support, an error
message appears after you click the
Finish
button. Click
OK
to remove the
message, then repeat this procedure and specify a smaller volume.
Table 5-6 Manual Create Volume Wizard - Select Volume Type to Create Screen Settings
Setting Description
Name Enter the name of the volume you are creating.
Size Enter the size of the volume you are creating ((MB, GB, TB, etc.). Do not type a decimal
point. Use the drop-down box to select the volume capacity:
Configuration Select the desired organization (JBOD, Stripe, etc.). Table 5-2 lists the volume
organizations.
Chunk Size Select the size (32K, 64K, etc.) of each chunk from one of the commonly used chunk
sizes. If you selected
JBOD or Mirror as your configuration setting, the Chunk Size
setting is gray and unavailable.
After a volume is created, you can use the
Advanced
tab to write-protect
the volume and suppress Synch Cache commands from the host (see
5.4.1.4).
5.4.1.2 Expanding a Volume
If you want to add capacity to a volume, expand the volume to increase its physical capacity.
1. In the Logical Resources tab, click the volume whose capacity you want to expand.
2. On the Storage menu, click Expand Volume . The Expand Volume dialog box appears (see
Figure 5-15).