[Gllug] Tape backups

[Martin A. Brooks]

j.roberts wrote:
> Martin A. Brooks wrote:
>> If data on your tapes degrades after a couple of weeks, then you're 
>> doing it wrong.
>>
>
> e.g.
>
> http://www.clir.org/pubs/reports/pub54/2what_wrong.html
> http://www.clir.org/pubs/reports/pub54/4life_expectancy.html
> http://www.clir.org/pubs/reports/pub54/5premature_degrade.html
> http://www.springerlink.com/content/e16q84x821k64882/
>
> We have seen it all. We find a typical media surface error rate of one 
> in about ten tapes nowadays (it used to be much better). Last week we 
> had a box of dlt with 5 faulty out of ten. We have seen shedding after 
> five uses.

That sounds like you're buying poor quality media to me.  Sure, DLT 
tapes can go bad, but a 50% failure is about 49% more than I'd 
reasonably expect.


> Please don't lecture me about the reliability of tape. But it *is* 
> better than nothing. 

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