Comments on: Backup and restore your Linux installation http://www.alexonlinux.com/backup-and-restore-your-linux-installation Fri, 30 Jul 2010 05:08:02 +0000 hourly 1 http://wordpress.org/?v=abc By: Faulteh http://www.alexonlinux.com/backup-and-restore-your-linux-installation/comment-page-1#comment-22611 Faulteh Wed, 10 Jun 2009 02:39:26 +0000 http://www.alexonlinux.com/?p=1048#comment-22611 I've been doing something similar to this for a while, but over the network to a large fileserver. To backup: dd if=/dev/sda1 bs=1k | ssh user@backupserver 'bzip2 -c >hostname.sda1.ddimg.bz2' and restore: bzip2 -c -d hostname.sda1.ddimg.bz2 | ssh user@targetip 'dd of=/dev/sda1' The value of bs=1k or 1200 means it will fill up a TCP packet with more data so less network overhead.<div class="comment-remix-meta"><a href="#" class="replyto" onclick="replyto('22611','Faulteh'); return false;">Reply</a> - <a href="#" class="quote" onclick="quote('22611','Faulteh','I\'ve been doing something similar to this for a while, but over the network to a large fileserver. To backup:\r\n\r\ndd if=\/dev\/sda1 bs=1k | ssh user@backupserver \'bzip2 -c >hostname.sda1.ddimg.bz2\'\r\n\r\nand restore:\r\nbzip2 -c -d hostname.sda1.ddimg.bz2 | ssh user@targetip \'dd of=\/dev\/sda1\'\r\n\r\nThe value of bs=1k or 1200 means it will fill up a TCP packet with more data so less network overhead.'); return false;">Quote</a></div> I’ve been doing something similar to this for a while, but over the network to a large fileserver. To backup:

dd if=/dev/sda1 bs=1k | ssh user@backupserver ‘bzip2 -c >hostname.sda1.ddimg.bz2′

and restore:
bzip2 -c -d hostname.sda1.ddimg.bz2 | ssh user@targetip ‘dd of=/dev/sda1′

The value of bs=1k or 1200 means it will fill up a TCP packet with more data so less network overhead.

Reply – Quote
]]>