Shadow Copies
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NAS 1500s and 500s Administration Guide
Recovering a folder
To recover a folder use the following procedure:
1. Position the cursor so that it is over a blank space in the folder that will be recovered. If the
cursor hovers over a file, that file will be selected.
2. Right-click the mouse, select Properties from the bottom of the menu, then click the
Previous Versions tab.
3. Choose either Copy or Restore.
4. Choosing Restore enables the user to recover everything in that folder as well as all
subfolders. Selecting Restore will not delete any files.
Backup and shadow copies
As mentioned previously, Shadow Copies are only available on the network via the client
application and only at a file or folder level as opposed to the entire volume. Hence the
standard backup associated with a volume backup will not work to back up the previous
versions of the file system. To answer this particular issue, Shadow Copies are available for
back up in two situations. If the backup software in question supports the use of Shadow
Copies and can communicate with underlying block device, it is supported and the previous
version of the file system will be listed in the backup application as a complete file system
snapshot. Lastly, if the built in backup application NTbackup is utilized, the backup software
forces a snapshot and then uses the snapshot as the means for backup. The user is unaware of
this activity and it is not self evident although it does address the issue of open files.