said:
>Okay. Just did a test differential backup again, and yes it looks like a
>full backup with all files and all archive bits set.
Just for sanity, did you check the volume and make sure that there were
files on the volume without the archive bit set?
>And before I did
>that, I verified that the defined backup set is differential.
When you create the back set, it is trivial to inspect which files are
selected for backup before anything gets written to tape. Did you do
this?
>Then if I
>look at the tape with the device tool, it has the same byte content as
>the tape with the full backup, about 2.5 Gbytes.
Why are you doing this? Did you not understand what I meant when I
suggested you look at the catalog. This will show the specific files that
were backed up.
>BTW, I had understood
>how the four backup types read and set archive bits before I started all
>this. But something's wrong.
True. I will mention that you keep saying set, when I would say clear.
The normal cycle with differentials is
- do once
- do full backup
- clear all archive bits
- repeat
- do differential backup
Ba2k will do hte clear archive bits step two for you. Typically, there's
never any need to manually manipulate the archive bits.
>Is the differential backup supposed to be
>on the same tape as the full?
Doesn't matter.
>>Are you sure you did not select copy rather than differential?
>Yes. I'm running defined backup sets. Here's a segment of one.
OK. This look correct. Now are you sure your full backup is a full
backup and not a copy.
Finally, did you check the archive bits after the full backup? Were they
all reset?
>I had a lot of old catalogs that I deleted. Did that do something?
It recovered a lot of disk space.
The catalogs are optional. Ba2k can rebuild them from the tape content as
needed.
Steven
--
----------------------------------------------------------------------
"Steven Levine" MR2/ICE 2.67 #10183 Warp/eCS/DIY/14.103a_W4
www.scoug.com irc.fyrelizard.com #scoug (Wed 7pm PST)
----------------------------------------------------------------------
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