On 12/5/18 9:56 AM, Simon Matter wrote: >> When running "pvs" on the broken system, no RAID volumes >> were listed, only component devices.... >> After updating, look at the output of "pvs" if you use LVM on software >> RAID. > What exactly did `pvs' show and instead of what? It should print: # pvs PV VG Fmt Attr PSize PFree /dev/md127 VolGroup lvm2 a-- <2.73t <768.41g /dev/md2 BackupGroup lvm2 a-- <2.73t 0 /dev/sdd1 VolGroup lvm2 a-- <55.88g 0 and IIRC, it printed: # pvs PV VG Fmt Attr PSize PFree /dev/sda3 VolGroup lvm2 a-- <2.73t <768.41g /dev/sdc1 BackupGroup lvm2 a-- <2.73t 0