[Gllug] diskdumpctl block device

Nix nix at esperi.org.uk
Wed Feb 1 01:10:37 UTC 2006


On Tue, 31 Jan 2006, Ben Fitzgerald said:
> if I want to configure diskdumpctl to dump to a block device and my disk
> is already fully partitioned, is there any way I can do this without
> manipulating the partition table? Can I use a file as a block device?
> I tried creating a 100M file and then associating this with /dev/loop0
> using losetup but diskdumpctl would not support this.

Perhaps you can use the network block device? See <http://nbd.sf.net/>.

(I'm just now removing a dying disk from a two-disk Sun and replacing it
by pvmoving the contents over the network onto a network block device,
swapping the disk out and pvmoving back. Gotta love hotswap SCSI, but
it'd work even without that.)

> ps don't say "add another disk" or "you should have used lvm (I know!!!)" :-)

oops. ;)

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