Fujitsu Eternus DX600 S3 - Page 280

Chapter 3 Volume Management
3.5 Expand Volume
ETERNUS Web GUI User’s Guide (Settings)
Copyright 2015 FUJITSU LIMITED P2X0-1270-13ENZ0
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Recommended conditions to obtain free space from RAID groups
• Set the same values for the following items to RAID groups where the concatenation source volume
belongs and to RAID groups that will be concatenated.
- RAID level
- Drive speed
- Drive type (Online/Nearline)
- Drive type (Online SED/Nearline SED)
- SSD type (SSD-M/SSD/SSD-M SED)
- Key group setting status (SED (Enabled Key Group)/SED (Disabled Key Group))
The speed of the drive and SSD type that configures RAID groups can be checked in the [RAID Group Detail]
screen ([Drive] tab).
For details on the parameters for this function, refer to "A.3.3 Expand Volume" (page 796)
.
The procedure to expand volume capacity is as follows:
Procedure
1 Select the volume to be expanded and click [Expand Volume] in [Action].
• Backing up the data before performing volume expansion is recommended.
• This function cannot be used under the following conditions:
- The maximum number of volumes is already registered in the ETERNUS DX
- The hot controller firmware upgrade is being performed in the ETERNUS DX
- A RAID group diagnosis or a disk diagnosis is being performed in the ETERNUS DX
• Expanded volume capacity must be recognized by server.
• The encryption status of volumes after concatenation is the same as the concatenation source volume.
• Concatenated volumes are formatted automatically. Refer to the [Volume Detail] screen for format
progress. Refer to "Volume Detail (Basic)" in "ETERNUS Web GUI User's Guide (Operation)" for details.
• To expand the TPV capacity, refer to "3.7.1 Expand Thin Provisioning Volume" (page 285)
.
• Volume expansion (LUN concatenation) can be performed even when the concatenation source volume
is being formatted.