You can select attributes for either striped
or sequential virtual disks (VDisks) from the Select Attributes for
VDisks panel in the Create Virtual Disk wizard in the SAN Volume Controller Console.
For striped VDisks, data is striped at the extent level. One extent
is allocated from each managed disks (MDisks) in the selected MDisk
group. Sequential VDisks can have data stored sequentially on a single
MDisk.
Introduction
The
Select Attributes for VDisks panel in the Create Virtual Disk wizard
is dynamic and only displays the options that are available when you
have selected different attributes.
Fields
- Sequential VDisk
- When you have selected to create a sequential VDisk, you can update
the following fields for sequential VDisks:
- Managed Disk Group
- Select the MDisk group for the VDisk.
- Use a single managed disk
- Select this option to create a VDisk from a single MDisk.
- Choose 1 managed disks
- Select the MDisks to use for the VDisk.
- VDisk Capacity
- Displays the total capacity of the VDisk that is presented to
hosts.
- Real size to initially allocate
- Select the size to allocate to the space-efficient VDisk. You
can either select a percentage for the size or specify the size allocation
in megabytes (MB).
Note: This field is only available if you have
selected to create a space-efficient VDisk.
- Striped VDisks
- You can update the following fields for striped VDisks:
- Managed Disk Group
- Select the MDisk group for the striped VDisk.
- VDisk Capacity
- Displays the capacity for the VDisks. The following units are
possible:
- Real size to initially allocate
- Select the size to allocate to the space-efficient VDisk. You
can either select a percentage for the size or specify the size allocation
in megabytes (MB). Absolute values are converted and displayed as
a percentage.
Note: This field is only available if you have selected
to create a space-efficient VDisk.
Actions
The
following actions are available:
- Back
- Click this button to return to the previous wizard panel.
- Next
- Click this button after you have completed this panel.
- Cancel
- Click this button to exit this wizard without creating the VDisk.