ADSM-L

Re: Strange backup behavior

2003-08-05 10:07:59
Subject: Re: Strange backup behavior
From: Andrew Raibeck <storman AT US.IBM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 5 Aug 2003 08:07:21 -0600
> I have seen this behaviour as well (unexplainable) - on W2K. It seems
like
> the archive bit is set and not cleared with an incremental backup (we
tried
> different backup products here). However, when we do a differential or
full
> backup this bit is cleared.

Not sure what you mean by the last sentence. When you refer to
"differential or full backup", are you referring to other (non-TSM) backup
products?

> I still have to get clarity whether this is a bug, known issue,
"limitation"
> or the like with TSM or the Operating System ...

For TSM, this is working as designed. See the TSM Windows client manual
chapter "Backing up your data", section "Performing an incremental,
selective, or incremental-by-date backup" for an explanation. Also take a
look at the RESETARCHIVEATTRIBUTE option (this is a new option in version
5.2).

> (PS: We saw this as well when only changin permissions in the parent
> directory - without applying the permission change to all
sub-directories).

There are no known defects with TSM in this area. It is almost certain
that *something* about the file has changed. However, if you can provide a
DETAILED step-by-step, mouse-click-by-mouse-click recreate scenario, I can
take a look at it. Alternatively, you can open a problem record with IBM
support.

Regards,

Andy

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Development
Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

The only dumb question is the one that goes unasked.
The command line is your friend.
"Good enough" is the enemy of excellence.




Riaan Louwrens <riaanl AT SOURCECONSULTING.CO DOT ZA>
Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
08/05/2003 06:53
Please respond to "ADSM: Dist Stor Manager"


        To:     ADSM-L AT VM.MARIST DOT EDU
        cc:
        Subject:        Re: Strange backup behavior



Thought I would add my 2 cents worth :-

I have seen this behaviour as well (unexplainable) - on W2K. It seems like
the archive bit is set and not cleared with an incremental backup (we
tried
different backup products here). However, when we do a differential or
full
backup this bit is cleared.

I still have to get clarity whether this is a bug, known issue,
"limitation"
or the like with TSM or the Operating System ...

(PS: We saw this as well when only changin permissions in the parent
directory - without applying the permission change to all
sub-directories).

Regards,
Riaan

-----Original Message-----
From: Riley, Craig [mailto:Riley.Craig AT TCHDEN DOT ORG]
Sent: Tuesday, August 05, 2003 3:11 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Strange backup behavior


I have a W2K box that has been backing up just fine for months. Nothing
has changed except the addition of service pack 4 in just as long.
However, when ever I run a backup the client backs up every single file
even though it's executing an incremental. As a test we event manually
did an incr on c:\ waited for it to complete, then did it again; it
backed up every file. Client version is 5.1.0 (realize there's an
upgrade but its worked for us so far) and the server version is 5.1.6.1
.

Any thought would be greatly appriciated

Craig Riley
The Children's Hospital in Denver



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