On Mon, 2020-02-03 at 12:17 -0800, Mike Wright wrote: > Some quick notes about lvm. The essence of LVM is the volume group > (VG). Volume groups contain logical volumes (LV). Volume groups are > defined by specifying the raw devices, the physical volumes (PV), that > provide the storage. In order to attach a PV to a VG the raw device > /dev/sdX must be tagged as a PV. Until that is done (pvcreate) a raw > device cannot be part of a VG. Once within a VG the raw device isn't > really mountable because the filesystem on it is created at the LV > level, not the raw device level. Yes, I already understand that much in theory. > Now as to sd5: try the command "pvs". It will show the tagged (defined) > PVs AND it will show which, if any, VGs that they belong to. $ sudo pvs PV VG Fmt Attr PSize PFree /dev/sda3 fedora_localhost-live lvm2 a-- <128.00g <17.80g /dev/sda4 fedora_localhost-live lvm2 a-- <16.00g <16.00g $ > If sda5 is NOT listed by "pvs" then your mount environment is mixed > raw/LVM. That appears to be the case. > Any way you look at it, you may mount both the raw device and > the LV at the same point but only the most recent will be visible. I > also have a hunch that mounting a raw device that is part of a VG is an > invitation to disaster. It wouldn't surprise me. How can I unravel this (short of a complete reinstallation)? I'm not enamoured of LVM and would be quite happy to revert to basic partitioning, but if that isn't feasible I'm willing to move forward to LVM-only if that's what it takes. Thanks. poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
