Snapshot Virtual Disks 733 Remove the drive letter(s) of the source in Windows or unmount thevirtual drive(s) in Linux to help guarantee a stable copy of the drive for theSnapshot. If this is not done, the snapshot operation will report that it hascompleted successfully, but the snapshot data will not be updated properly.NOTE: Verify that the virtual disk has a status of Optimal or Disabled byclicking the Summary tab and then clicking Disk Groups & Virtual Disks.4 Follow any additional instructions for your operating system. Failure tofollow these additional instructions can create unusable snapshot virtualdisks.NOTE: If your operating system requires additional instructions, you can find thoseinstructions in your operating system documentation.After your host server has been prepared, see "Creating the Snapshot Usingthe Simple Path" on page 73 to create the snapshot using the simple path.If you want to use a snapshot regularly, such as for backups, use the DisableSnapshot and Re-create Snapshot options to reuse the snapshot. Disablingand re-creating snapshots preserves the existing virtual disk-to-host mappingsto the snapshot virtual disk.Creating the Snapshot Using the Simple PathNOTE: Removing the drive letter of the associated virtual disk in Windows orunmounting the virtual drive in Linux will help to guarantee a stable copy of thedrive for the Snapshot.After first preparing the host server(s) as specified in the preceding procedure,complete the following steps to create a virtual disk snapshot using the simplepath:1 In MD Storage Manager, click the Configure tab, and then click CreateSnapshot Virtual Disks.2 The Additional Instructions dialog appears; click Close in this dialog tocontinue.3 Click the plus sign (+) to the left of the disk group to expand it, then clickthe virtual disk from which you want to create a snapshot.4 Click Next.A No Capacity Exists warning appears if there is not enough space in thedisk group of the source virtual disk to create the snapshot.
