On Fri, Sep 06, 2002 at 11:44:35AM +0200, Walter Willmertinger wrote:
>
> >Is there any option to switch amdump only to dump to the (large
> >enough) holding disk?
> >We have the problem that our tape drive (Onstream ADR-50) has a
I think everyone who has an Onstream does.
> >frimware problem, as recognized by some people in this group, so
> >that the normal way which amdump uses to write to teh tape, produces
> >hardware errors, when reading the tape.
> >The firmware has problems with the large breaks between writing
> >different tape blocks, which is an usual feature of amanda.
> >
> >So I thought of
> >1. using amdump to produce the holding disk
> >2. after amdump has completely finished writing to the holding disk,
> >to use amflush to save the whole thing on tape. This should work,
> >because in this case the tape is written in one large amount without
> >any break.
Just leave the tape out, it will automatically collect on the holding disk.
This assumes you have the reserve parameter (reserve for incrementals) set
to a sufficiently low percentage. The default is 100 I think, meaning
reserve the entire holding disk for incrementals.
> >P.S. A idea I have is to change the amanda.conf by a sed or ed-
> >script for the amdump, and after amdump, change it again to allow
> >writing to tape?
Please don't think of doing this again. Bad idea for several reasons.
--
Jon H. LaBadie jon AT jgcomp DOT com
JG Computing
4455 Province Line Road (609) 252-0159
Princeton, NJ 08540-4322 (609) 683-7220 (fax)
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