[linux-lvm] How do you mount a snapshot?

David Gould dg at suse.com
Thu Dec 7 19:55:38 UTC 2000

On Thu, Dec 07, 2000 at 03:39:11AM -0800, Tracy R Reed wrote:
> [root at computer /usr2]# mount -t reiserfs /dev/vg-sdb1/snapshot /snap/
> mount: block device /dev/vg-sdb1/snapshot is write-protected, mounting read-only
> mount: wrong fs type, bad option, bad superblock on /dev/vg-sdb1/snapshot,
>        or too many mounted file systems

Unless they have changed it (possible), reiserfs does not support ro
hardware for mounting unless the filesystem was unmounted cleanly. The
reason is that to make the FS consistant the journal has to be replayed
which necessarily _writes_ to the device. This cannot work on an ro device.


David Gould                                                 dg at suse.com
SuSE, Inc.,  580 2cd St. #210,  Oakland, CA 94607          510.628.3380
"As I've gained more experience with Perl it strikes me that it
 resembles Lisp in many ways, albeit Lisp as channeled by an awk
 script on acid."  -- Tim Moore <moore at herschel.bricoworks.com>,
                      on comp.lang.lisp

More information about the linux-lvm mailing list