On Wed, 15 Dec 2010 18:57:33 +0100, bsd <b...@todoo.biz> wrote: > Le 15 déc. 2010 à 16:45, Giorgos Keramidas a écrit : >> On Wed, 15 Dec 2010 16:11:45 +0100, bsd <b...@todoo.biz> wrote: >>> Is there a way to dd to a file to create an iso image and then restore >>> (still using dd from this image). I only have one IDE <--> USB cable >>> so this is the reason why It'd more simple for me to create an iso >>> image of the disk and then restore. >>> >>> Using dump won't be very useful because I won't be able to get the >>> first 63 segments where boot info are written, I need something of >>> lower level (obviously dd will be my friend). >>> >>> Thanks everyone. I'll try to post the line code once I got It up and >>> running. >> >> No dd(1) cannot do that. >> >> What you _can_ do is boot into single-user mode, and then use mkisofs >> with burncd or growisofs from dvd+rw-tools to burn an image while still >> in single-user mode. The only user mode process is your root shell at >> that point, so you can be relatively sure there are no major changes >> happening somewhere at the filesystem while you are still dumping it to >> a CD-ROM or DVD-ROM disk. > > Just to be precise, I am not trying to do an ISO image of a running > root FS, but of a USB attached disk.
Then it's much easier. Just mount the disk as read-only and use growisofs to dump its contents to a CD-ROM or DVD disk :) _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"