Home > Uncategorized > Backup Exec: DFS Roots, Backups and Restores

Backup Exec: DFS Roots, Backups and Restores

This is related to a previous post.

Here is an entry from the Symantec internal support wiki:

Here is the Info that i was able to find :-

To properly protect your DFS root and links, very specific
steps need to be followed. Our existing DFS
documentation needs to include some additional detail.
This additional detail will ensure that our customerÂ’s
properly protected their DFS roots. Here are some steps
that may be used as a staring point:

===========
DFS Backup
===========
Before using these steps you will need to know the machine
names that host your DFS roots and the names of the DFS
roots.
1. Enable selection of user shares. To do this:
a. On the tools menu, click Options.
b. In the Properties section, click Network and Firewall.
c. Check “Enable selection of user shares” and click OK.
2. Click the Backup Button to open the Backup Browse dialog box.
3. Create a User Defined Selection for the machine
that hosts the DFS root (you will need to do this
even if the machine, that hosts the DFS root, is the
local selection). To do this:
a. In the Backup Browse dialog box, right click
on “User-defined Selections” and click the
“User-defined Selections…” menu item.
b. In the UNC name box type the name of the
machine which hosts the DFS root, click the
Add button, and click Close. This adds the
machine to the “User-defined Selection”
section of Backup Exec.
NOTE: Backup Exec does not support using
DFS domain root paths (\\domain\dfsroot.)
Only add the machine name that hosts the DFS
root to protect your DFS links.
4. In “User-defined Selections,” expand the machine
name and check the DFS root.
5. Click the Run Now button.

===========
DFS Restore
============
1. Click the Restore button.
2. Navigate to the machine that hosts your DFS root.
3. Expand the DFS root to see the backup sets.
4. Select the backup set you wish to restore.
NOTE:
The links (within the DFS root) are not cataloged.
When you click on the backup set, in the right pane
you see the text “No selections exist.” This is
expected.
5. Click the Run Now button, all DFS links which are
part of the DFS root will be restored.

============
DFS Caveats
============
1. If you are backing up any volumes along with the
DFS root, it is recommended that you exclude any
DFS links (from the backup) that reside on the
volumes you are protecting. If you donÂ’t do this it
is OK, however, you will need to take care to not restore these links
later.
2. When restoring, if you backed up any DFS links
(when traversing a volume) youÂ’ll need to de-select
these links before you restore the volume.
3. When browsing a DFS root, in the restore selection
screen, the links are not listed and the text says “No
selections exist.” This is normal. All the DFS link
data is associated to the DFS root name.
4. When you restore a DFS root, all DFS links are
restored.

And… no, this wiki is not available externally to Symantec. It’s probably TWiki running on someone XP box in their support office.

Alternately to the above, to get a granular backup, if you have VSS running on the server (which I suggest in this situation) you can select Shadow Copy Components. You can then do the granular restore of files, not just the entire DFS Root as the above information implies.

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