/usr/local/share/urbackup/dm_create_snapshot "testsnap" "/" + set -e + mkdir -p /mnt/urbackup_snaps + dirname /usr/local/share/urbackup/dm_create_snapshot + CDIR=/usr/local/share/urbackup + SNAP_ID=testsnap + SNAP_MOUNTPOINT=/ + SNAP_DEST=/mnt/urbackup_snaps/testsnap + dirname /usr/local/share/urbackup/dm_create_snapshot + CDIR=/usr/local/share/urbackup + . /usr/local/share/urbackup/filesystem_snapshot_common + exit_exclude_snapshot_mountpoints / + CFG_FILE=/etc/urbackup/exclude_snapshot_mountpoints + test -e /etc/urbackup/exclude_snapshot_mountpoints + return 0 + + cuttr+ -d -s -f1 head -n 1 + egrep /$ + df -T -P + DEVICE=/dev/mapper/root-98d1f8b1f435 + set_filesystem_type / + cut -d -f2 + tr -s + head -n 1 + egrep /$ + df -T -P + TYPE=ext4 + export TYPE + [ xext4 = x ] + [ xext4 = xbtrfs ] + [ xext4 != xxfs ] + [ xext4 != xext4 ] + [ x/dev/mapper/root-98d1f8b1f435 = x ] + echo Snapshotting device /dev/mapper/root-98d1f8b1f435 via dm... Snapshotting device /dev/mapper/root-98d1f8b1f435 via dm... + dmsetup table /dev/mapper/root-98d1f8b1f435 + modprobe dm_snapshot + blockdev --getsz /dev/mapper/root-98d1f8b1f435 + DEV_SIZE=39747551 + [ x39747551 = x ] + basename /dev/mapper/root-98d1f8b1f435 + DEVNAME=root-98d1f8b1f435 + RUUID=a31725acca86421d + ORIG_DEVICE=/dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone + ERA_META_FN=.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 + ERA_RESET=0 + command -v era_dump + modprobe dm_era + grep era + dmsetup table /dev/mapper/root-98d1f8b1f435 + grep snapshot-origin + dmsetup table /dev/mapper/root-98d1f8b1f435 + echo Layering in dm-era device... Layering in dm-era device... + META_SIZE=1203712 + [ 1203712 -lt 2097152 ] + META_SIZE=2097152 + [ -e //.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 ] + chattr -i //.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 + rm //.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 + fallocate -l 2097152 //.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 + chattr +i //.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 + echo FLOCK_PERM=//.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 FLOCK_PERM=//.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 + ORIG_DEVICE=/dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone-era + dmsetup create root-98d1f8b1f435-a31725acca86421d-clone-era + dmsetup table /dev/mapper/root-98d1f8b1f435 + dmsetup create root-98d1f8b1f435-a31725acca86421d-era-metadata + urbackupclientbackend --internal --print-dm-file-extents //.era-meta_3d41c58e-6724-4d47-8981-11c766a08a24 --file-dm-block-dev /dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone-era + dmsetup create root-98d1f8b1f435-a31725acca86421d-era-metadata-access + dmsetup table root-98d1f8b1f435-a31725acca86421d-era-metadata + dd if=/dev/zero of=/dev/mapper/root-98d1f8b1f435-a31725acca86421d-era-metadata bs=512 count=4096 + dmsetup create root-98d1f8b1f435-a31725acca86421d-clone + echo 0 39747551 era /dev/mapper/root-98d1f8b1f435-a31725acca86421d-era-metadata /dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone-era 1024 + echo CBT=type=era&reset=1 CBT=type=era&reset=1 + ERA_RESET=1 + OVERLAY_FN=//.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap + [ -e //.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap ] + fallocate -l 5G //.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap + chattr +i //.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap + echo FLOCK=//.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap FLOCK=//.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap + [ -e /dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone ] + dmsetup create root-98d1f8b1f435-testsnap-cow-storage + urbackupclientbackend --internal --print-dm-file-extents //.overlay_2fefd007-3e48-4162-b2c6-45ccdda22f37_testsnap --file-dm-block-dev /dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone-era + urbackupclient_dmsnaptool --dev /dev/mapper/root-98d1f8b1f435 --clone-dev /dev/mapper/root-98d1f8b1f435-a31725acca86421d-clone --snap-dev /dev/mapper/root-98d1f8b1f435-testsnap --cow-dev /dev/mapper/root-98d1f8b1f435-testsnap-cow-storage --origin-dev /dev/mapper/root-98d1f8b1f435-a31725acca86421d-origin --era-access-dev /dev/mapper/root-98d1f8b1f435-a31725acca86421d-era-metadata-access --dev-size 39747551 Creating snapshot device... device-mapper: table ioctl on root-98d1f8b1f435-a31725acca86421d-origin failed: No such device or address Error getting device table