> NetWorker identifies "critical volumes" during DISASTER_RECOVERY 
> backup. These critical volumes are determined by examining the 
> Windows VSS writer metadata. The Windows ASR writer is one source of
> this information, we also query the metadata from all other writers 
> on the system. If any writer is classified as "bootable system 
> state" or "system service" then the disk containing the writer 
> components is classified as "critical".

I thought that perhaps, in my case, that meant that the pagefile was also 
using drive E: (in Windows, you can split the page file to be on multiple 
volumes). This is not the case, however - system says no pagefile on E:.

> You could run the diskshadow command on your system which will 
> likely show system files on your USB drive.

Not in my case ....

C:\Windows\system32>diskshadow
Microsoft DiskShadow version 1.0
Copyright (C) 2007 Microsoft Corporation
On computer:  DCTRLTS003,  8/17/2011 10:34:45 AM


DISKSHADOW> list shadows all

Querying all shadow copies on the computer ...
No shadow copies found in system.

DISKSHADOW>

However, when I do a LIST WRITERS, I *do* see "E:\Lotus\Domino" in the 
list of files and locations being shown for "SYSTEM WRITER". So I guess 
that's why a DISASTER_RECOVERY: saveset is so large, as "E:\Lotus\Domino" 
is 346G in size ....

So does that mean a FULL backup job with a directive of ALL will be 346G 
for DISASTER_RECOVERY: saveset *and* then include that 346G *again*, as 
part of the E: drive aspect of the ALL?? Since all of E: is 670G by 
itself, this means I need well over 1TB of disk space to make the 
snapshots on??

What happens with servers that do *not* have a big empty drive to try and 
write snapshots to??

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