Dell PowerVault 725N (Rackmount NAS Appliance) - Manual (Page 138)

persistent image.
Displaying the List of Persistent Images
The Persistent Images page displays all currently active persistent images. Each entry identifies the date and time that the persistent image was created and
the volume it preserves. Select an individual persistent image by clicking its check box.
1. Log in to the NAS Manager.
2. Click Disks.
3. Click ActiveArchive.
4. Click Persistent Images.
Adding Persistent Images to the Schedule
1. Log in to the NAS Manager.
2. Click Disks.
3. Click ActiveArchive.
4. Click Schedules.
5. In the Tasks list on the Persistent Image Schedules page, click New.
6. Use the menus to select the start time (Start at), the frequency at which to repeat the persistent image (Repeat every), the day to begin (Begin), the
volume(s) to include, the image attributes (Read-only or Read/Write), the retention weight, number of images to save (per schedule), and the
persistent image name.
You can use patterns in the persistent image name to differentiate your persistent images. For example if you use a pattern of Snapshot.%i and you
take two persistent images, you have Snapshot.1 and Snapshot.2. The default persistent image name pattern is Snapshot %M-%D-%Y %H.%m.%s.
Valid pattern macros are as follows:
l %M = Month
l %D = Day
l %Y = Year
l %h = Hours in 12-hour format
l %H = Hours in 24-hour format
l %m = Minute
l %s = Second
l %i = Instance, which increments once per instance
l %a = AM/PM
l %W = Day of the week
l %w = Three-letter day of the week
l %% = Percent sign
7. Click OK to save the new scheduled persistent image.
Deleting a Persistent Image Schedule
1. Log in to the NAS Manager.
2. Click Disks.
3. Click ActiveArchive.
4. Click Schedules.
5. On the Persistent Image Schedules page, click the check box next to the scheduled persistent image to be deleted.
NOTE: To select multiple volumes, press and hold <Ctrl> and select all volumes that are to be included in the persistent image.
NOTE: You cannot take a persistent image of the operating system volumes.
NOTE: If volumes are not protected by RAID 1 or RAID 5, or if volumes are frequently being added and removed, it is recommended that you make
persistent images of individual volumes. Because multivolume persistent images are linked to each other, a multivolume persistent image may
become inaccessible if one volume in the multivolume persistent image fails or is removed from the system.