OK, I managed! I had to add more modules sudo echo "dm_cache" >> /etc/initramfs-tools/modules sudo echo "dm_cache_mq" >> /etc/initramfs-tools/modules sudo echo "dm_persistent_data" >> /etc/initramfs-tools/modules sudo echo "dm_bufio" >> /etc/initramfs-tools/modules
plus, add cache_check as in http://forums.debian.net/viewtopic.php?f=5&t=119644 Booted! This is how I set up the lvmcache sudo vgextend LinuxVG /dev/sdb2 sudo lvcreate -L 10G -n rootCacheLV LinuxVG /dev/sdb2 sudo lvcreate -L 24M -n rootCacheMetaLV LinuxVG /dev/sdb2 sudo lvcreate -L 10G -n homeCacheLV LinuxVG /dev/sdb2 sudo lvcreate -L 24M -n homeCacheMetaLV LinuxVG /dev/sdb2 sudo lvconvert --type cache-pool --poolmetadata LinuxVG/rootCacheMetaLV --cachemode writethrough LinuxVG/rootCacheLV sudo lvconvert --type cache-pool --poolmetadata LinuxVG/homeCacheMetaLV --cachemode writethrough LinuxVG/homeCacheLV sudo lvconvert --type cache --cachepool LinuxVG/rootCacheLV LinuxVG/rootLV sudo lvconvert --type cache --cachepool LinuxVG/homeCacheLV LinuxVG/homeLV where LinuxVG has the root at rootLV and home at homeLV and sdb2 is an SSD -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423796 Title: Unable to mount lvmcache root device at boot time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1423796/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
