On Wed, Jul 28, 2021 at 11:50:56PM +0200, Martin Dünkelmann wrote: > Dear LVM2-People, > > I made a native RAID5 via LVM on 3 SSDs without mdadm, since LVM2 can do it > natively. > > But I got confused about how to easily monitor it (send emails about errors, > since it's a remove server) and how to check, repair and scrub the RAID5. > > Using: > "sudo lvchange --syncaction check cryptdata_raid5/home" (same for repair) > results in > > Command on LV cryptdata_raid5/home does not accept LV type linear. > Command not permitted on LV cryptdata_raid5/home. It works for me, so it could be a fixed bug. Check that the LV is really raid5: lvs -o segtype cryptdata_raid5/home > Does that mean LVM2 doesn't fully support native RAID5 and I should format > everything and set up a mdadm raid5? > Because mdadm has scrubbing and email reports according to the mdadm.conf. Right, mdadm does much more. Dave _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/