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Article #8245

Re: SCSI tape backup systems

#8245
From: Dan Pleasant
Date: Mon, 08 Apr 1991 16:24
44 lines
2386 bytes
>I wrote:
>>>I have a Tandberg Data TDC3620 running, using FastBackII.
>>>All the problems I have seem to be bugs in the software (FastBackII
>>>cannot backup an 80 megabyte HD to 60 megabyte tapes, it seems).
>
>>Ahem.  I assure you that Fastback II *can* back up 80 MBytes onto a
>>60 MByte tape.  I do it all the time.  Data compression makes it
>>possible.  If you're having trouble with your tape drive, please
>>email the details to me and maybe I can help.

[I received your private email, but I was unable to reply.  The mail
bounced back to me no matter what return path I tried to use.  Sorry.]

>True. First time I tried a backup of 80 MB of text files. Worked.
>Next I tried an 80 MB disk filled with Text files compressed with
>DiskDoubler and lots of GIF format pictures.
>FastBack II did not compress it any further, of course.

>But worse, FastBackII made me loose my data: after filling the first
>tape, the Backup dialog told me to "change the cartridge when it stops"
>and then to "insert volume <number 2>". I did insert a second tape and
>FastBackII reportet to write another 20 MB to it.
>No warnings, no error messages; only completion messages. 

Sounds like Fastback did exactly what it was supposed to do!

>But even after reading the manual - page by page - I did not find out
>how to restore the data from the first tape. The second tape restores
>fine.

Just put it into the tape drive!  Did you try that and it didn't work?

As I said, I didn't write the tape drive code.  I think, but I'm not
certain, that you might run into trouble if you put the wrong kind of
tape into your tape drive.  Try contacting Fifth Generation Systems
technical support.  They keep track of things like that, and they'll
probably be able to tell you what to do.

>hase
>-- 
>Hartmut Semken, Lupsteiner Weg 67, 1000 Berlin 37 hase@netmbx.UUCP
>Hi! (Zaphod Beeblebrox)

Dan Pleasant
Technical Details
Message-ID: <10190004@hpnmdla.hp.com>
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References: <1991Mar25.205909.5645@engin.umich.edu>

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From: dan@hpnmdla.hp.com (Dan Pleasant)
Newsgroups: comp.sys.mac.apps
Subject: Re: SCSI tape backup systems
Message-ID: <10190004@hpnmdla.hp.com>
Date: 8 Apr 91 16:24:58 GMT
References: <1991Mar25.205909.5645@engin.umich.edu>
Organization: HP Network Measurements Div, Santa Rosa, CA
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