The procedure to create volumes is as follows:
On the global navigation tab, click Storage.
The registered ETERNUS Disk storage systems are displayed on the Main pane.
On the Main pane, click the target ETERNUS Disk storage system.
On the Category pane, click Volume.
On the Action pane, click Create under Volume.
The information input screen is displayed.
Enter the necessary information, and then click Next.
The information confirmation screen is displayed.
Confirm the information, and then click Create.
Note
The maximum capacity of volume that can be created is the largest contiguous free space in the RAID group. When fragmentation has occurred in the RAID group, the largest contiguous free space is less than the total free capacity of the RAID group.
If the volume cannot be created because of insufficient free capacity of the RAID group, even though you specified capacity less than the total free capacity of RAID group, use ETERNUS Web GUI to verify the free space of the RAID group.
In the following cases, the maximum number of volumes cannot be created:
There is a Thin Provisioning Pool in the storage device.
There is a concatenation volume in the storage device.
There is an REC Disk buffer in the storage device.
There is a volume which is executing RAID Migration.
There is a volume which is executing Thin Provisioning Volume balancing.
When creating a volume to the RAID group using Self Encrypting Drive (SED) disk, specify "No" for volume encryption.
Volume creation may take several minutes to several hours depending on the device configuration. When creating a number of volumes at one time, consider the process time to carry it out.
There are storage device models that cannot set the encryption mode from Web Console. Refer to "Volume Management" in the Storage Cruiser Operation Guide for details.
In Web Console, the volume that is LUN concatenated and Wide Striping Volume cannot be created.
The type of the volume that can create a Dedup volume is Thin Provisioning Volume only. When creating a Dedup volume, perform the following actions according to the target ETERNUS Disk storage system:
For devices that support enabling Deduplication alone or Compression alone
If you create a Dedup volume in a Thin Provisioning Pool that has Deduplication enabled, click the "Enable" radio button of the Deduplication field.
If you create a Dedup volume in a Thin Provisioning Pool that has Compression enabled, click the "Enable" radio button of the Compression field.
In addition, you must enable Deduplication and Compression of the Thin Provisioning Pool where a Dedup volume is to be created in advance.
For devices other than above
Click the "Enable" radio button of the Deduplication/Compression field.
In addition, you must enable Deduplication/Compression of the Thin Provisioning Pool where a Dedup volume is to be created in advance.
The Allocation setting is available only when creating a Thin Provisioning Volume in an ETERNUS Disk storage system that supports the Allocation function.
If "Thin" is selected, the physical area is allocated for use when I/O is issued.
If "Thick" is selected, the physical area of the volume capacity is allocated when creating a volume.
