Veritas-bu

[Veritas-bu] Media retention period problem

2002-07-29 00:30:59
Subject: [Veritas-bu] Media retention period problem
From: Vivek.Prasad AT in.standardchartered DOT com (Vivek.Prasad AT in.standardchartered DOT com)
Date: Mon, 29 Jul 2002 10:00:59 +0530
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Hi,

I have configured a daily schedule with media retention level 3 (1 month). 
And to my surprise, here is the output of "bpmedialist -mlist -U":
 

 id     rl  images   allocated        last updated      density  kbytes 
restores      vimages   expiration       last read         <------- STATUS 
------->
--------------------------------------------------------------------------------

UNIX01   3     41   07/01/2002 20:00  07/02/2002 00:46     dlt  46494989   
 0           41   08/02/2002 00:46        N/A

UNIX02   3     36   07/02/2002 20:00  07/03/2002 00:47     dlt  46544454   
 0           36   08/03/2002 00:47        N/A

UNIX03   3     35   07/03/2002 20:00  07/04/2002 00:45     dlt  46666072   
 0           35   08/04/2002 00:45        N/A 
..............
..............
Note: 1> Tape-labels are based on the day_of_month. So on 1st day of the 
month, UNIX01 will be used, etc..
            2> DLTs are of 40/80 GB capacity.

Now when I will use same media, say UNIX01 on Aug 1, 2002, NetBackup will 
create a second image on UNIX01 because image on that is going to expire 
only on 2nd Aug. Obviously that will result in tape getting full and hence 
it will result in not all clients being backed up. This appears dumb to me 
as I would expect that image (UNIX01 in this case) will expire on the last 
day of the month. So that I can reuse it completely as a fresh tape.

Is there any workaround for this? Or I will have to expire these images 
manually (or thru script).

Regards,

Vivek
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<br><font size=2 face="sans-serif">Hi,</font>
<br>
<br><font size=2 face="sans-serif">I have configured a daily schedule with 
media retention level 3 (1 month). And to my surprise, here is the output of 
&quot;bpmedialist -mlist -U&quot;:</font>
<br><font size=2 face="sans-serif">&nbsp;</font>
<br>
<br><font size=2 face="sans-serif">&nbsp;id &nbsp; &nbsp; rl &nbsp;images 
&nbsp; allocated &nbsp; &nbsp; &nbsp; &nbsp;last updated &nbsp; &nbsp; 
&nbsp;density &nbsp;kbytes restores &nbsp; &nbsp; &nbsp;vimages &nbsp; 
expiration &nbsp; &nbsp; &nbsp; last read &nbsp; &nbsp; &nbsp; &nbsp; 
&lt;------- STATUS -------&gt;</font>
<br><font size=2 
face="sans-serif">--------------------------------------------------------------------------------</font>
<br>
<br><font size=2 face="sans-serif">UNIX01 &nbsp; 3 &nbsp; &nbsp; 41 &nbsp; 
07/01/2002 20:00 &nbsp;07/02/2002 00:46 &nbsp; &nbsp; dlt &nbsp;46494989 &nbsp; 
&nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 41 &nbsp; 08/02/2002 00:46 
&nbsp; &nbsp; &nbsp; &nbsp;N/A</font>
<br>
<br><font size=2 face="sans-serif">UNIX02 &nbsp; 3 &nbsp; &nbsp; 36 &nbsp; 
07/02/2002 20:00 &nbsp;07/03/2002 00:47 &nbsp; &nbsp; dlt &nbsp;46544454 &nbsp; 
&nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 36 &nbsp; 08/03/2002 00:47 
&nbsp; &nbsp; &nbsp; &nbsp;N/A</font>
<br>
<br><font size=2 face="sans-serif">UNIX03 &nbsp; 3 &nbsp; &nbsp; 35 &nbsp; 
07/03/2002 20:00 &nbsp;07/04/2002 00:45 &nbsp; &nbsp; dlt &nbsp;46666072 &nbsp; 
&nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 35 &nbsp; 08/04/2002 00:45 
&nbsp; &nbsp; &nbsp; &nbsp;N/A </font>
<br><font size=2 face="sans-serif">..............</font>
<br><font size=2 face="sans-serif">..............</font>
<br><font size=2 face="sans-serif">Note: 1&gt; Tape-labels are based on the 
day_of_month. So on 1st day of the month, UNIX01 will be used, etc..</font>
<br><font size=2 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 
2&gt; DLTs are of 40/80 GB capacity.</font>
<br>
<br><font size=2 face="sans-serif">Now when I will use same media, say UNIX01 
on Aug 1, 2002, NetBackup will create a second image on UNIX01 because image on 
that is going to expire only on 2nd Aug. Obviously that will result in tape 
getting full and hence it will result in not all clients being backed up. This 
appears dumb to me as I would expect that image (UNIX01 in this case) will 
expire on the last day of the month. So that I can reuse it completely as a 
fresh tape.</font>
<br>
<br><font size=2 face="sans-serif">Is there any workaround for this? Or I will 
have to expire these images manually (or thru script).</font>
<br>
<br><font size=2 face="sans-serif">Regards,</font>
<br>
<br><font size=2 face="sans-serif">Vivek</font>
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