On Tue, Jun 15, 2010 at 10:07 AM, Shiv Deepak <[email protected]> wrote: > On Mon, Jun 14, 2010 at 5:00 PM, karthi keyan <[email protected]> > wrote: >> >> Dear friends, >> Redhat 4 we are using proxy server, that server os need >> to take image to external hard disk. >> Please tell way and method.... > > if by taking image you mean to say you want to take backup of the > current OS then you can consider using the 'dd' command: > > here are some details regarding it: > > If the existing disk fails, you can boot from the external drive > backup and have your system back instantaneously. > > This series will make a DVD backup of hard drive partition: > Code: > > dd if=/dev/hda3 of=/home/sam/backup_set_1.img bs=1M count=4430 > dd if=/dev/hda3 skip=4430 of=/home/sam/backup_set_2.img bs=1M count=4430 > dd if=/dev/hda3 skip=8860 of=/home/sam/backup_set_3.img bs=1M count=4430 > > And so on. This series will burn the images to DVD+/-R/RW: > Code: > > wodim -dev=/dev/hdc --driveropts=burnfree /home/sam/backup_set_1.img > > and so forth. To restore the from the backup, load the DVDs in order, > and use commands like these: > Code: > > dd if=/media/dvd/backup_set_1.img of=/dev/hda3 bs=1M conv=sync,noerror > > Load another DVD > Code: > > dd if=/media/dvd/backup_set_2.img of=/dev/hda3 seek=4430 bs=1M > conv=sync,noerror > > Load another DVD > Code: > > dd if=/media/dvd/backup_set_3.img of=/dev/hda3 seek=8860 bs=1M > conv=sync,noerror > > and so forth. > > source: > http://www.linuxquestions.org/questions/linux-newbie-8/learn-the-dd-command-362506/ > > i hope the above link has helped you with your problem :)
dump restore is the way to go -Girish -- Gayatri Hitech web: http://gayatri-hitech.com SpamCheetah Spam filter: http://spam-cheetah.com _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
