> On May 12, 2020, at 4:49 AM, Gene Heskett <[email protected]> wrote:
> 
> On Thursday 05 March 2020 05:08:25 Gene Heskett wrote:
> Amanda did a 72GB backup last night, where fot a couple weeks it has 
> sailed along in the 15GB range.  So I have not solved my problem with 
> the long cycle bandaid.
> 
> So of course it used 2 vtapes, and ran w/o any error drama.
> 
> Here is the triggering problem, the database my wrapper script keeps so 
> that I can restore to that same backup, not a day older, in the event of 
> a major main disk upchuck and all of the amanda history is wiped out.
> 
> root@coyote:~$ du -h /GenesAmandaHelper-0.61/config-bak/
> 32G     /GenesAmandaHelper-0.61/config-bak/
> 
> Which is just a few % smaller than the size of a vtape. It contains 
> copies of the indice files generated from each run as uncompressed 
> tarballs for the last 60 amanda runs.  Each is nearly .6 GB.  And its my 
> last chance to recover all that data for amanda's recovery database in 
> one swell foop.  And because of that, I don't want to break that one up 
> into smaller pieces. It does compress about 10 GB in the process, but I 
> don't see a satisfactory way to shrink it, other than shrinking the 
> number of vtapes. My script also appends a copy of todays config and 
> generated indice as a tarballs, which it does every night as an append 
> to that slots contents, so its not actually included in the disklist 
> where it would be both subject to the vtape size set in the config, and 
> duplicate data harder to find in the normal backup scheme.
> 
> Looking for a solution, but I don't see one. Open to ideas though. 
> 
> Perhaps a classic example of not being able to see the forest with all 
> these trees in the way.
> 
> Copyright 2019 by Maurice E. Heskett
> Cheers, Gene Heskett
> -- 
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page 
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__geneslinuxbox.net-3A6309_gene&d=DwICaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=HMrKaRiCv4jddln9fLPIOw&m=f3wTouquDod7ABHV_R7wbvwDtmOLd3w9NxRmOHYCvkc&s=e4EopQ3ZpdNPF7KFkVKSvIU5qq9mZvC0rW5xx7Lfkko&e=
>  >


Maybe just add a second disk, for more vtapes?  Then you can cease caring
if occasional runs take 2 vtapes.  You’d have a bigger pool of backups,
for longer redundancy.

Deb Baddorf




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