Date: Mon, 15 Jan 1996 09:01:34 +600 CDT From: "Larry Dolinar" <LARRYD@bldg1.croute.com> To: questions@FreeBSD.ORG Cc: questions@FreeBSD.ORG Subject: Re: Dump/backup stuff Message-ID: <FA1DAAF7DC6@bldg1.croute.com>
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Thus spake "Werner Griessl" <croot@btp1da.phy.uni-bayreuth.de> (Mon, 15 Jan 1996): | > | > I finally got my 2GB tape drive running. I can successfully (I think) | > dump my / filesystem. I'd also like to append my /usr filesystem to the | > end of it as well. It's not clear to me as to how to do this. What I'm | > currently using is: | > | > dump 0f - / | gzip | dd of=/dev/rst0 bs=32k | > | > Is this what I should be using? Things appear to work. | > | > Also, what do I use to verify that what was written actually got written? | > Is there a sort of ls style listing I can get off of the tape? | > | > Thanks! | > | > -->Neil | > | > ------------------------------------------------------------------------------- | > Synthcom System's homepage: http://www.synthcom.com/ | > Europa Upgrade, Synth patches (D-50, Xpander/Matrix 12), used gear pricelist | > | > | > | | Hi Neil, | | For a whole backup of your system you should do: | | mt -f /dev/rst0 rewind | dump 0usdf 200000 1000 /dev/nrst0 /dev/rwd0a # / | dump 0usdf 200000 1000 /dev/nrst0 /dev/rwd0e # /var | dump 0usdf 200000 1000 /dev/nrst0 /dev/rwd0f # /usr | mt -f /dev/rst0 rewind | | Note the 'n' in the tape-device, it means "non-rewindable" ! | and use the right disk-devices for your system. | | Hope this helps | Werner Using a Sony SDT-5000 (4-8GB) I used dump 0usdf 10240 61000 /dev/nrst0 <filesystem of choice> etc. To access the "interior" dumps, use mt to position to the volume you want. I did have to play a little game with the control device to establish the higher density, but it was a one-time thing. hth, larry
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