Snapshot Virtual Disks 83To disable a snapshot virtual disk:1 Click the Modify tab, then click Modify snapshot virtual disks.2 Click Disable Snapshot Virtual Disks.3 Highlight the snapshot virtual disk to be disabled and click Disablebeneath the list.4 In the Confirm Disable Snapshot Virtual Disk dialog box, type yes andthen click OK.The snapshot virtual disk is disabled. The associated snapshot repository virtualdisk does not change status, but copy-on-write activity to the disabledsnapshot virtual disk stops until the snapshot virtual disk is re-created.Preparing Host Servers to Re-create a Snapshot Virtual DiskNOTICE: Before you create a new point-in-time image of a source virtual disk, stopany data access (I/O) activity or suspend data transfer to the source virtual disk andsnapshot virtual disk to ensure that you capture an accurate point-in-time image ofthe source virtual disk. Close all applications, including Windows Internet Explorer,to make sure all I/O activity has stopped.NOTE: 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.Before re-creating a snapshot virtual disk, both the host server and theassociated virtual disk you are re-creating have to be in the proper state.Perform the following steps to prepare your host server and virtual disk:1 Stop all I/O activity to the source and snapshot virtual disk (if mounted).2 Using your Windows system, flush the cache to both the source and thesnapshot virtual disk (if mounted). At the host prompt, typeSMrepassist -f <filename-identifier>and press . See "SMrepassist Utility" on page 108 for moreinformation.3 Click the Summary tab, then click Disk Groups & Virtual Disks to ensurethat the snapshot virtual disk is in Optimal or Disabled status.