On Fri, 16 Oct 2009, Nerius Landys wrote:
Thanks again guys. My final series of steps to take full backups:
bsdlabel ad4s1 | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/bsdlabel_ad4s1
dmesg -a | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/dmesg
dd if=/dev/ad4 bs=512 count=1 | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/MBR
cat /etc/fstab | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/fstab
dump -0Lan -f - / | gzip | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/dump0-root.gz
dump -0Lan -f - /tmp | gzip | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/dump0-tmp.gz
dump -0Lan -f - /var | gzip | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/dump0-var.gz
dump -0Lan -f - /usr | gzip | ssh -p 22222 nlan...@localhost dd
of=/home/nlandys/backup/dump0-usr.gz
... where port 22222 on localhost is a pipe to my remote desktop with
the 500 GB harddrive. If I missed anything important please let me
know.
The dump man page recommends always using -C with snapshot dumps.
The Handbook has an example of dump over ssh that shows a couple of
speed optimizations:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/backup-basics.html#AEN25817
gzip -2 and bluefish instead of 3des should be faster than the default.
-Warren Block * Rapid City, South Dakota USA
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