4 years later and this is still an issue on Ubuntu 16.04/Linux 4.4/LVM
2.02.133.
## setup;
apt-get install -y lvm2
mkdir test
cd test/
dd if=/dev/zero of=lvma.img bs=1M count=10
dd if=/dev/zero of=lvmb.img bs=1M count=10
dd if=/dev/zero of=lvmc.img bs=1M count=10
losetup /dev/loop0 lvma.img
losetup /dev/loop1 lvmb.img
losetup /dev/loop2 lvmc.img
pvcreate /dev/loop0 /dev/loop1 /dev/loop2
vgcreate vg_test /dev/loop0 /dev/loop1
S=$(vgdisplay vg_test | grep Free)
lvcreate -l $S vg_test -n lv_test
mke2fs -t ext4 -m 0 /dev/vg_test/lv_test
vgextend vg_test /dev/loop2
S=$(echo "$(vgdisplay vg_test | grep Free | perl -pe 's/^.*? ([0-9])/$1/g;s/
.*//g')-4" | bc )
lvcreate --type cache --cachemode writeback -l $S -n lv_test_cache
vg_test/lv_test /dev/loop2
## break attempting to detach then fix;
lvchange -an vg_test/lv_test
/usr/sbin/cache_check: execvp failed: No such file or directory
WARNING: Integrity check of metadata for pool vg_test/lv_test_cache failed.
apt-get install thin-provisioning-tools
lvchange -an vg_test/lv_test
vgexport vg_test
#thin-provisioning-tools should be a dependency of lvm2.
** Changed in: lvm2 (Ubuntu)
Status: In Progress => Confirmed
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Touch seeded packages, which is subscribed to lvm2 in Ubuntu.
https://bugs.launchpad.net/bugs/1067386
Title:
dm thin facility incomplete - thin-provisioning-tools not packaged
Status in lvm2 package in Ubuntu:
Confirmed
Bug description:
The lvm2 package is built with --with-thin=internal option activated,
but the supporting userspace activation tools are neither packaged nor
depended upon correctly.
The errors reported in Debian at http://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=673000#17 also occur on Ubuntu Quantal.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: lvm2 2.02.95-4ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
Date: Tue Oct 16 14:57:35 2012
SourcePackage: lvm2
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1067386/+subscriptions
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