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Chapter 5 Volume Management
5.2 Functions in the Action Area for Volume
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
101
Manually selecting drives to create volumes
The procedure to create a volume by selecting drives manually is as follows:
Procedure
1 Click [Create] in [Action].
2 Select "Manual" for "RAID Group/TPP Selection".
3 Specify the detailed information of new volumes and select the RAID group or TPP in which
the volumes are to be created. Click the [Create] button.
• Name
Specify the volume name. An existing volume name cannot be specified. When creating multiple
volumes at the same time, the new volumes are named automatically. Refer to "Naming
conventions for creating volumes" (page 993) for details.
The following input condition applies:
- Up to 16 alphanumeric characters and symbols (except ", (comma)" and "?")
• Capacity
Specify the volume capacity and select the unit of capacity.
Up to a 15-digit number including the "." (decimal point) can be input. Note that when "MB" is
selected, the specified value is rounded down to the nearest whole number. When "GB" or "TB" is
selected, the specified value is converted to "MB" and rounded down to the nearest whole number.
The following input conditions apply:
- When creating Standard volumes or TPVs: 24MB - 128TB (numeric characters)
- When creating SDPVs: 1GB - 2TB (numeric characters)
- MB/GB/TB
Up to 15 numbers can be used. If a decimal point is included in the input value, up to 14 numbers
can be used.
[Example] 0.1234567890123 (14 numbers and a decimal point)
• If "Use all Largest Free Space" is selected when creating volumes manually, inputting the
capacity is not required. The specified value and unit are not used.
• When creating an SDV, the capacity setting is not required. 24 (MB) + "Capacity of source vol-
ume (only SDV)" × 0.1% of the copy source volume capacity is automatically secured in the
ETERNUS DX Disk storage system. When using SnapOPC or SnapOPC+, make sure to create an
SDV and SDPVs.
• When creating multiple volumes in a RAID group, the maximum number of volumes that can
be created for the user capacity may be reduced. To use the entire user capacity, the volume
size must be an exact multiple of the basic size (stripe size). Refer to "E.1 Basic Size for each
RAID Group" (page 995) for details.