On Thu, Dec 18, 2003 at 12:06:11PM -0600, Little, Chris wrote: > don't use snapshot. it sucks and the owners won't answer questions about > it. Chris, what in particular problems do you have with snapshots ? Regards, Heinz -- The LVM Guy -- > > > -----Original Message----- > > From: John Craig [mailto:johncraig01@netscape.net] > > Sent: Thursday, December 18, 2003 11:34 AM > > To: linux-lvm@sistina.com > > Subject: Unable to mount snapshot > > > > > > Hi, > > > > I successfully created a snapshot of an active LV with XFS > > filesystem, > > and ldisplay shows it to be operating correctly. However, > > when I try to > > mount the snapshot, it says "wrong fs type, bad option, bad > > superblock > > on /dev/system/snap or too many mounted file systems" > > > > Can anyone help, or shed some light on why this is happening? > > Is there a > > workaround? > > > > The mount command was "mount -t xfs -o ro /dev/system/snap /mnt/snap" > > > > I am running SuSE 9.0 on x86-64, with kernel 2.4.21-149, lvm version > > 1.0.7(mp-v6). I have a volume group running on 3 raid arrays, > > each 0.9 > > TB, for a total of 2.7 TB. It has 2 active LVs, one of them 2 TB, and > > the other 500GB, leaving about 249GB unallocated. I created > > the snapshot > > with: > > > > lvcreate -L 200G -s -n snap /dev/system/adsdata > > > > As I said, the snapshot seems to be working correctly, but > > when I bring > > up the LVM tool in YAST, it shows the original LV, with > > capacity 1.9 TB, > > mounted, and the snapshot with a capacity of 1.9TB, > > unmounted. When I > > try to set the mount point for the snapshot, it says the capacity is > > wrong, it needs to be <= 249GB. In other words, it seems to > > be treating > > it as if it were a regular LV, not a snapshot.. > > > > The listing of lvdisplay is: > > --- Logical volume --- > > LV Name /dev/system/snap > > VG Name system > > LV Write Access read only > > LV snapshot status active destination for /dev/system/adsdata > > LV Status available > > LV # 3 > > # open 0 > > LV Size 2 TB > > Current LE 16383 > > Allocated LE 16383 > > snapshot chunk size 64 KB > > Allocated to snapshot 16.66% [33.29 GB/199.90 GB] > > Allocated to COW-table 100 MB > > Allocation next free > > Read ahead sectors 1024 > > Block device 58:2 > > > > > > > > > > _______________________________________________ > > linux-lvm mailing list > > linux-lvm@sistina.com > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
