On Thu, Apr 10, 2008 at 11:19:29AM -0400, MIchael Leone wrote:

> > > browse/retention). How does "nsrck -L7" fit into this? If I have to 
> > > restore a file from 6 months ago (i.e., beyond my retention period), 
> don't 
> > > I have to "scanner -m" the tape (if the index is on the tape)?
> > 
> > 'scanner -m' adds information to the media database from the information
> > on the volume.
> 
> Thought so ...
> 
> > Unlike NetBackup, Networker does not delete the media database
> > information when a volume expires.  It only does so when the volume is
> > actually recycled.  So there should be no need to run 'scanner -m' for a
> > local volume.
> 
> OK .. .well, in my case, isn't "scanner -m" needed? Because I'm beyond the 
> retention period, the savesets have expired aand are marked as 
> "recyceable". If so, I need "scanner -m", yes?

No.  This is the difference between "recyclable" (eligible to be
recycled) and "recycled" (already happened).

When the images expire, they become recyclable, but nothing happens to
the online catalog.  The media databases remain intact.

Only if the volume is recycled (and therefore erased) are the database
entries normally removed.  So if you still have the tape, and you expect
to read old data from it, I expect the media database still tracks the
volume and the savesets on it, so 'scanner -m' is unnecessary.

> (from now on, I'm setting EOM tape volumes to "readonly", "manual 
> recycle", and "retention = 10 years". That should alleviate this need for 
> "scanner -m", since the savesets should not get to the point of being 
> marked "recycleable"). Normal (i.e., non-EOM jobs) will have my standard 2 
> month browse/retention, and then those tapes are recycled).

That's true as well.  But again, simply becoming recyclable does not
purge entries from the media database.  That's why I mentioned
NetBackup, because it does have that behavior.

-- 
Darren Dunham                                           ddunham AT taos DOT com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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