Warren Young wrote: > On May 17, 2019, at 9:53 AM, John Hodrien <J.H.Hodrien at leeds.ac.uk> > wrote: >> On Fri, 17 May 2019, James Szinger wrote: >>> On Fri, May 17, 2019 at 3:17 AM John Hodrien >>> <J.H.Hodrien at leeds.ac.uk> wrote: >>> >>>> RHEL advice would clearly be not to use btrfs. >>> >>> I'm curious, is there anything in RHEL 8 that would replace BTRFS or >>> ZFS? I'm experimenting with BTRFS on one system and the snapshot and >>> subvolume features are nice. >> >> I assume Stratis is the general answer. >> > It looks like built-in RAID didn’t land in this version, which means > we’re another 3-5 years from anything that actually works like ZFS or > btrfs which are LVM + RAID + filesystem. > > According to the docs, you have to lay Stratis over MDRAID in EL8 to get > storage redundancy: > <snip> I followed the link, and was reading, and I'm confused. 1. How is this different than LVM? 2. Why would you want to put it on top of LVM? mark "Please don't tell me 'because you can point and click'"