Backup a filesystem to a remote machine and use cstream to throttle bandwidth of the backup

nice -n19 dump -0af - /<filesystem> -z9|gpg -e -r <gpg key id>|cstream -v 1 -t 60k|ssh <user@host> "cat > backup.img"
This command will nicely dump a filesystem to STDOUT, compress it, encrypt it with the gpg key of your choice, throttle the the data stream to 60kb/s and finally use ssh to copy the contents to an image on a remote machine.
Sample Output
DUMP: Date of this level 0 dump: Thu Oct 29 12:39:05 2009
DUMP: Dumping /dev/mapper/backup (/backup) to standard output
DUMP: Label: none
DUMP: Writing 10 Kilobyte records
DUMP: Compressing output at compression level 9 (zlib)
DUMP: mapping (Pass I) [regular files]
DUMP: mapping (Pass II) [directories]
DUMP: estimated 568617 blocks.
DUMP: Volume 1 started with block 1 at: Thu Oct 29 12:39:10 2009
DUMP: dumping (Pass III) [directories]
DUMP: dumping (Pass IV) [regular files]
DUMP: 3.29% done at 62 kB/s, finished in 2:27
DUMP: 6.46% done at 61 kB/s, finished in 2:24
DUMP: 9.65% done at 60 kB/s, finished in 2:20
DUMP: 12.84% done at 60 kB/s, finished in 2:15
DUMP: 16.06% done at 60 kB/s, finished in 2:10
DUMP: 19.28% done at 60 kB/s, finished in 2:05
...

2
By: din7
2009-10-29 18:27:25

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