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I just noticed a really weird thing about our incremental backups being
run from Veritas Netbackup DC 4.5 to our Netapp 960 (6.4.2P6). I assume
this has been going on for a long time. No matter if we select Incremental
Differential Backup on weekdays or Cumulative Differential Backup on weekends,
both seem to run a level 1 backup on the filer. This
results in all changes since the last level 0 (Full) backup to be written,
which I interpret to be Cumulative. Once in a while (on a random day of
the week), a real Incremental backup (level 2) will be performed. This is
verified by examining the /etc/backup logs on the filer, which show the
level of dump being used. Examining the amount of data being backed up
also shows a steady increase in the Incremental backups, indicating that
they are all backing up the same data from the last Full. This looks like
a Veritas bug, and I have found no reference to it on the web. If anyone
has encountered this, please advise!
Thanks,
Moshe
Moshe Linzer
IT Manager
National Semiconductor, Israel
Phone: 972-9-970-2247
Fax: 972-9-970-2001
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<br><font size=2 face="sans-serif">I just noticed a really weird thing about
our incremental backups being run from Veritas Netbackup DC 4.5 to our Netapp
960 (6.4.2P6). I assume this has been going on for a long time. No
matter if we select <i>Incremental Differential Backup</i> on weekdays or
<i>Cumulative Differential Backup</i> on weekends, both seem to run a level 1
backup on the filer. This results in all changes since the last level 0
(Full) backup to be written, which I interpret to be Cumulative. Once in
a while (on a random day of the week), a real Incremental backup (level 2) will
be performed. This is verified by examining the /etc/backup logs on the
filer, which show the level of dump being used. Examining the amount of
data being backed up also shows a steady increase in the Incremental backups,
indicating that they are all backing up the same data from the last Full.
This looks like a Veritas bug, and I have found no reference to it on the
web. If anyone has encountered this, please advise!</font>
<br>
<br><font size=2 face="sans-serif">Thanks,</font>
<br>
<br><font size=2 face="sans-serif">Moshe</font>
<br><font size=2 face="sans-serif"><br>
</font>
<table>
<tr>
<td><font size=4 color=blue face="Times New Roman"><b>Moshe Linzer</b></font>
<br><font size=3 color=#000099 face="Times New Roman"><b>IT Manager</b> </font>
<tr>
<td><font size=2 color=#000099 face="Times New Roman"><b><i>National
Semiconductor, Israel<br>
Phone: 972-9-970-2247<br>
Fax: 972-9-970-2001</i></b></font></table>
<br>
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