After a new volume has been created, formatted, and assigned a drive letter, run the following command from the command line in order to be able to start using the volume for mirror and job creation:

From a CMD prompt:

%ExtMirrBase%\EMCMD” . UPDATEVOLUMEINFO <drv_letter>

On success, this command will output the single line:

Status = 0


If the volume is created by using the PowerShell cmdlet “New-Volume”, or if the partition that the volume is configured on was created with the PowerShell cmdlet “New-Partition”, then an additional set of steps must be taken.

After creation of the volume, run the command above (“%ExtMirrBase%\EMCMD” . UPDATEVOLUMEINFO <drv_letter>). This command will fail. Perform the following actions:

  1. Take the disk where the volume is located offline, using Disk Management
  2. Run “%ExtMirrBase%\EMCMD” . UPDATEVOLUMEINFO <drv_letter>
  3. Bring the disk where the volume is located Online, using Disk Management
  4. Run “%ExtMirrBase%\EMCMD” . UPDATEVOLUMEINFO <drv_letter>

The volume will now be available for use by DataKeeper.


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