Veritas-bu

Re: [Veritas-bu] Restoration Issue

2011-04-16 11:13:33
Subject: Re: [Veritas-bu] Restoration Issue
From: "Lightner, Jeff" <jlightner AT water DOT com>
To: "bob944" <bob944 AT attglobal DOT net>, <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Sat, 16 Apr 2011 11:13:25 -0400
If his list of files only contains the zero byte filenames he doesn't
need to restore to alternate directory.  It will only restore the files
he specifies in the list. 

He has already indicated he can't go to an alternate path he doesn't
have to if he specifying the files he wants to restore rather than
entire directories.  Of course he may have said that based on restoring
the entire backup rather than restoring individual files that he has
identified.

It is however very important he read and understand the bprestore man
page for the -f.  From what he wrote he already knows the files he needs
to restore so building his file list shouldn't be that hard.   However,
there are instructions in the man page regarding files with spaces in
their names that he may need to be cognizant of if he has any like that.


We use the -f <listfile> specification on a regular basis (mainly on
UNIX/Linux) but don't usually have spaces in file names OR are doing
entire directories.  

One can also use the -R <alternatepathfile> specification to redirect to
alternate paths.   If the list of files to be restored is small enough
that it will fit in an alternate path he might want to do a test run
using both -f and -R to verify it only restores the files he wants.  If
so he could then run it again with just the -f so that it puts the files
he wants in their original locations.   (Which would be simpler than
manually moving them all back over the original.)

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of bob944
Sent: Friday, April 15, 2011 7:46 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Cc: simon.weaver AT astrium.eads DOT net
Subject: Re: [Veritas-bu] Restoration Issue

> Got a File Server with a share that is approx 400GB and contains
> millions of files.
> San Media Win2k3 Sp2 & NBU 7.0.1 talking to a 7.0.1 Master
> 
> Problem: We have identified 40,000 files, of various types (ie:
> word, excel, jpeg, bmp, pdf) that are ZERO bytes. They appear to
> have been like this for 4 months [...]
> 
> 1) Files are scattered across various folders / subfolders that are
> in use
> 2) I cant just restore everythink back to its original location,
> because there are files that have been recently used and amended

Restoring from a file of filenames (as has been suggested), to a
different directory, would be my preference.  Then maybe script a
comparison between the list of zero-byte files and the ones you have
restored...

If that is impractical and you have a backup of the current state of
the server, zero-byte files and all, you could 
a) rename/move/delete the zero-byte files and 
b) restore the entire share to original location but do NOT check
Overwrite existing files.  You should get 40,000 restores and
(millions - 40,000) "file exists" messages in the log.


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