On Thu, January 21, 2010 11:30 am, John Stoffel wrote:

> Dan> For simplicity, all my tapes are in a single pool.  I'm guessing
> Dan> I want the tapes with the oldest LastWritten value.  Something
> Dan> like this:
>
> I used to do this, but I just switched to seperate pools for
> incrementals and fulls.  My feeling is that I can recycle incrementals
> more aggresively, and get a better feel for when I need to recycle
> older tapes.

I keep stats on errors/GB for each tape. When they get too high, I disable
the tape.

> Generally, when I run out of tapes to use, I just manually recycle my
> oldest written tape and keep going.  This isn't archiving, but backups
> that I need.

I do that as required, including reducing my retention period.

> Of course I've got all my data on RAID1, tape backups and now
> duplicity hopefully keeping stuff in sync to my brother's house in
> another state.  Nothing like losing all your family photos to make the
> wife mad at you, and mad at yourself.

I'm looking at FreeNAS for putting stuff on disk, then to tape.

> I should also just buy some more DLT IV tapes from Ebay as well.
> They're cheap.

Do you buy new or used?  I have many used tapes, and by testing them
first, I eliminate the bad.

-- 
Dan Langille -- http://langille.org/--
Dan Langille -- http://langille.org/


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