On Sat, 28 Jul 2018, Rick Thomas wrote: > > rbthomas@small:~$ lsblk -t > > NAME ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED > > RQ-SIZE RA WSAME > > sda 0 4096 33553920 4096 512 1 mq-deadline > > 60 128 0B > > `-sda1 0 4096 33553920 4096 512 1 mq-deadline > > 60 128 0B > > |-small-swap -1 4096 0 4096 512 1 > > 128 128 32M > > |-small-root -1 4096 0 4096 512 1 > > 128 128 32M > > `-small-home -1 4096 0 4096 512 1 > > 128 128 32M > > mmcblk2 0 512 0 512 512 0 mq-deadline > > 128 128 0B > > |-mmcblk2p1 0 512 0 512 512 0 mq-deadline > > 128 128 0B > > `-mmcblk2p2 0 512 0 512 512 0 mq-deadline > > 128 128 0B > > rbthomas@small:~$ > > Note the alignment values of “-1” for the lvm entries but not for the GPT > partition or the whole disk. > Why do you suppose that is?
Keep in mind that you *offset*-align the outer container *only*, and then inside you just keep the size alignment. So, the above ensures correct use of the partitions even if sda1 is unaligned. If you offset-align sda1 to -1, everything inside it should have an offset of zero to keep the alignment correct. -- Henrique Holschuh
