On Sat, Dec 03, 2016 at 07:39:37PM +0100, Kamil Jońca wrote: > So far I used lvm with raid1 device as PV. > > Recently I have to extend my VG > (https://lists.debian.org/debian-user/2016/11/msg00909.html) > > and I read some about lvm. > If I understand correctly, LVM have builtin RAID1 functionality. > And I wonder about migrating > lvm over md --> (lvm with raid1) over physical hard drive partitions. > > > Any cons?
MD is older, has had more development and is generally considered to be more robust. I would always choose to do RAID with MD, directly on the disks, and put LVM on top of the MD virtual block devices. -- Jonathan Dowland Please do not CC me, I am subscribed to the list.
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