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iDRAC 8/7 v2.30.30.30 User’s Guide

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Creating virtual disks

To implement RAID functions, you must create a virtual disk. A virtual disk refers to storage created by a RAID controller from one or more physical disks. Although a virtual disk may be created from several physical disks, it is seen by the operating system as a single disk.

Before creating a virtual disk, you should be familiar with the information in Considerations Before Creating Virtual Disks.

You can create a Virtual Disk using the Physical Disks attached to the PERC controller. To create a Virtual Disk, you must have the Server Control user privilege. You can create a maximum of 64 virtual drives and a maximum of 16 virtual drives in the same drive group.

You cannot create a virtual disk if:
  • Physical disk drives are not available for virtual disk creation. Install additional physical disk drives.
  • Maximum number of virtual disks that can be created on the controller has been reached. You must delete at least one virtual disk and then create a new virtual disk.
  • Maximum number of virtual disks supported by a drive group has been reached. You must delete one virtual disk from the selected group and then create a new virtual disk.
  • A job is currently running or scheduled on the selected controller. You must wait for this job to complete or you can delete the job before attempting a new operation. You can view and manage the status of the scheduled job in the Job Queue page.
  • Physical disk is in non-RAID mode. You must convert to RAID mode using iDRAC interfaces such as iDRAC web interface, RACADM, WS-MAN, or <CTRL+R>.
  • NOTE: If you create a virtual disk in Add to Pending Operation mode and a job is not created, and then if you delete the Virtual disk, then the create pending operation for the virtual disk is cleared.

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