4Follow any additional instructions for your operating system. Failure to follow these additional instructions can create unusable snapshot virtual disks.

NOTE: If your operating system requires additional instructions, you can find those instructions in your operating system documentation.

After your host server has been prepared, see "Creating the Snapshot Using the Advanced Path" on page 76 to create the snapshot using the advanced path.

If you want to use a snapshot regularly, such as for backups, use the Disable Snapshot and Re-create Snapshot options to reuse the snapshot. Disabling and re-creating snapshots preserves the existing virtual disk-to-host mappings to the snapshot virtual disk.

Creating the Snapshot Using the Advanced Path

NOTE: Removing the drive letter of the associated virtual disk in Windows or unmounting the virtual drive in Linux will help to guarantee a stable copy of the drive 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 advanced path:

1In MD Storage Manager, click the Configure tab, and then click Create Snapshot Virtual Disks.

2The Additional Instructions dialog appears; click Close in this dialog to continue.

3Click the plus sign (+) to the left of the disk group to expand it, then click the virtual disk from which you want to create a snapshot.

4Click Next.

A No Capacity Exists warning appears if there is not enough space in the disk group of the source virtual disk to create the snapshot.

5On the Create Snapshot Virtual Disks – Select Path screen, select the Advanced path.

NOTE: A snapshot repository virtual disk requires 8 MB of free space. If the required free space is not available in the disk group of the source virtual disk, the Create Snapshot Virtual Disks feature defaults to the advanced path.

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Snapshot Virtual Disks

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Dell Computer Drive manual Creating the Snapshot Using the Advanced Path

Computer Drive specifications

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