Unix disk images and archiving

From: Jeff Hellige <jhellige_at_earthlink.net>
Date: Fri Mar 29 19:29:59 2002

Ok, I've gotten the Pinnacle Micro Sierra 1.3GB MO drive to work using
the below disktab:

# Pinnacle Micro Sierra optical disk drive
# ECMA 512 byte/sector media
# Disktab generated by Jessica Hayden from SunOS /etc/format.dat entry
# and NextAnswers document 1533
PINNACLEOHD-1200|Pinnacle Sierra 1.2GB OHD|OHD-1200:\
  :ty=removable_rw_scsi:nc#5359:nt#7:ns#31:ss#512:rm#3600:\
  :fp#320:bp#256:ng#0:gs#0:ga#0:ao#0:\
  :os=sdmach:z0#64:z1#192:ro=a:\
  :pa#0:sa#1162903:ba#8192:fa#1024:ca#32:da#4096:ra#1:oa-space:\
   ia:ta=4.3BSD:aa:

   I initialized it with the following commands:

     disk -t "OHD-1200" -i /dev/rsd1a
     newfs -n -v /dev/rsd1a

    I then ejected the disk and reinserted it. NS mounted it and reads
and writes to/from it just fine. It gives me nearly 600MB of space.
My next question would be what is the best way of making a bootable
copy of my internal MO disk to the Pinnacle MO? If I issue the
following command:

     dd if=/dev/rod0a of=/dev/rsd1a

     I get a read error on rod0a and dd aborts.

     If I issue the command:

     dd if=/dev/od0a of=/dev/sd1a

     dd copies data from the internal MO to the external MO but doesn't
copy the data in the subdirectories. Any suggestions? Would dump be
better for this?

     Thanks
      Jeff
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Received on Fri Mar 29 2002 - 19:29:59 GMT

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