rdump almost figured out... but not quite

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2 total messages Started by M. COOPER / B. McQUAID Thu, 27 Aug 1992 19:45

#724

Author: M. COOPER / B. McQUAID
Date: Thu, 27 Aug 1992 19:45

31 lines
1639 bytes

I've almost got backing up from my NeXT to my D.G. Aviion working.
Here's what I do:

# /etc/rdump 0uf host1:/dev/rmt/1 /dev/sd0a
  DUMP: Date of this level 0 dump: Tue Aug 18 15:28:00 1992
  DUMP: Date of last level 0 dump: the epoch
  DUMP: Dumping /dev/rsd0a (/) to /dev/rmt/1 on host host1
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 265985 tape blocks on 6.84 tape(s).
^C  DUMP: Interrupt received.
  DUMP: NEEDS ATTENTION: Do you want to abort dump?: ("yes" or "no")
yes
  DUMP: The ENTIRE dump is aborted.

My only problem is telling dump that the 1/4 tape on the Aviion is a
525 MB device. Apparently dump needs to know this in order to know
when to rewind etc. What parameters do I give to dump in order to
tell it 525MB? (it wants actual length of the tape as well as other
data I don't know). Hopefully someone familiar with dump can help me
out.

thanks in advance!

-Brad   

-- 
/-----------------This message brought to you by: ------------------\
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Re: rdump almost figured out... but not quite

#790

Author: Frank C. Smith
Date: Sun, 30 Aug 1992 01:48

18 lines
1475 bytes

In article <37336@sdcc12.ucsd.edu> mbutler@sdcc13.ucsd.edu (M. COOPER / B. McQUAID) writes:
>I've almost got backing up from my NeXT to my D.G. Aviion working.
>Here's what I do:

(console script deleted)

>My only problem is telling dump that the 1/4 tape on the Aviion is a
>525 MB device. Apparently dump needs to know this in order to know
>when to rewind etc. What parameters do I give to dump in order to
>tell it 525MB? (it wants actual length of the tape as well as other
>data I don't know). Hopefully someone familiar with dump can help me

You can manipulate the size and density parameters so that dump computes
the correct capacity for the device you are using. Don't be surprised
if the capacity that dump gets for a set of these values is not what
you compute. The values of the size and density are used only
to compute the capacity of the device, based on an assumption that it
is a 9-track tape.

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