https://makelinux.github.io/kernel/map/
https://github.com/jthornber/linux-2.6/tree/thin-stable/Documentation/device-mapper
https://github.com/return42/sphkerneldoc/blob/master/linux_src_doc/drivers/md/index.rst
https://gitlab.com/otus_linux/stands-03-lvm/-/blob/master/Vagrantfile 
https://gitlab.com/otus_linux/stands-03-lvm/-/blob/master/Vagrantfile 
[ZFS, BTRFS, XFS, EXT4 and LVM with KVM – a storage performance comparison](http://www.ilsistemista.net/index.php/virtualization/47-zfs-btrfs-xfs-ext4-and-lvm-with-kvm-a-storage-performance-comparison.html?limitstart=0)
[SPBDEV Blog - Производительность BTRFS по сравнению с LVM + EXT4 с учетом рабочих нагрузок базы данных](http://spbdev.biz/blog/proizvoditelnost-btrfs-po-sravneniyu-s-lvm-ext4-s-uchetom-rabochih-nagruzok-bazy-dannyh)
http://spbdev.biz/blog/proizvoditelnost-btrfs-po-sravneniyu-s-lvm-ext4-s-uchetom-rabochih-nagruzok-bazy-dannyh
http://www.ilsistemista.net/index.php/virtualization/47-zfs-btrfs-xfs-ext4-and-lvm-with-kvm-a-storage-performance-comparison.html?limitstart=0
http://man7.org/linux/man-pages/man7/lvmcache.7.html
http://man7.org/linux/man-pages/man7/lvmcache.7.html
http://www.ilsistemista.net/index.php/virtualization/47-zfs-btrfs-xfs-ext4-and-lvm-with-kvm-a-storage-performance-comparison.html?limitstart=0
https://www.linuxtoday.com/blog/pick-your-pleasure-raid-0-mdadm-striping-or-lvm-striping.html от 09.05.2019
Для этого ДЗ используйте вот этот стенд https://gitlab.com/otus_linux/stands-03-lvm
https://github.com/FOSS-Cloud/installer/blob/7af248b57c51cd0ebf4c0693f564624d100af079/lib/lvm.lib.sh
SSM: https://github.com/dinhxuanvu/ssm
https://github.com/g2p/blocks#readme
https://github.com/hazzus/device-mapper-proxy-km 
[linux - Is there a simple way to move/copy a logical volume from one volume group to another? (LVM2) - Super User](https://superuser.com/questions/217307/is-there-a-simple-way-to-move-copy-a-logical-volume-from-one-volume-group-to-ano)
Although LVM has a mirroring feature, you can't (sanely) use it to make a copy between volume groups, because both legs of the mirror must live on the same vg and [the association can't be broken](http://www.redhat.com/archives/linux-lvm/2008-April/msg00087.html).
[linux - List all physical volumes associated to a volume group - Super User](https://superuser.com/questions/209072/list-all-physical-volumes-associated-to-a-volume-group)
[linux - List all physical volumes associated to a volume group - Super User](https://superuser.com/questions/209072/list-all-physical-volumes-associated-to-a-volume-group)
[linux - No more space in root filesystem, how could I increase the size? - Super User](https://superuser.com/questions/1072547/no-more-space-in-root-filesystem-how-could-i-increase-the-size)
[linux - How to deactivate a LVM2 physical volume to remove the drive? - Stack Overflow](https://stackoverflow.com/questions/18042216/how-to-deactivate-a-lvm2-physical-volume-to-remove-the-drive)
https://stackoverflow.com/questions/18042216/how-to-deactivate-a-lvm2-physical-volume-to-remove-the-drive
https://stackoverflow.com/questions/26305376/resize2fs-bad-magic-number-in-super-block-while-trying-to-open
https://stackoverflow.com/questions/24709741/cant-run-docker-container-due-device-mapper-error
https://superuser.com/questions/256061/lvm-and-cloning-hds
https://superuser.com/questions/634265/installing-windows-on-a-lvm-partition-next-to-already-installed-ubuntu
https://www.oreilly.com/library/view/linux-device-drivers/0596000081/ch03s02.html