iI was not able to reactivate the LVM-Volumes, but I was able to get read access to the data.
root@fileserver:~# lvchange -ay raid6-4T/r6_4T_files_corig --activationmode partial PARTIAL MODE. Incomplete logical volumes will be processed. Do you want to activate component LV in read-only mode? [y/n]: y Allowing activation of component LV. Couldn't find device with uuid tOkG3t-aWGl-4PfO-DI3O-TMoG-ia1z-p4UQgP. Couldn't find device with uuid qmDOrk-0SRI-9Z1S-PzgI-GRI8-xLrP-kC5LHd. root@fileserver:~# mount -o noload -r /dev/mapper/raid6--4T-r6_4T_files_corig /media/data/ root@fileserver:~# lvchange -ay raid6-4T/lvm-var_corig --activationmode partial PARTIAL MODE. Incomplete logical volumes will be processed. Do you want to activate component LV in read-only mode? [y/n]: y Allowing activation of component LV. Couldn't find device with uuid tOkG3t-aWGl-4PfO-DI3O-TMoG-ia1z-p4UQgP. Couldn't find device with uuid qmDOrk-0SRI-9Z1S-PzgI-GRI8-xLrP-kC5LHd. root@fileserver:~# mount -o noload -r /dev/mapper/raid6--4T-lvm--var_corig /media/var/
root@fileserver:~# lvchange -ay raid6-4T/r6_4T_files_corig --activationmode partial
PARTIAL MODE. Incomplete logical volumes will be processed.
Do you want to activate component LV in read-only mode? [y/n]: y
Allowing activation of component LV.
Couldn't find device with uuid tOkG3t-aWGl-4PfO-DI3O-TMoG-ia1z-p4UQgP.
Couldn't find device with uuid qmDOrk-0SRI-9Z1S-PzgI-GRI8-xLrP-kC5LHd.
root@fileserver:~# mount -o noload -r /dev/mapper/raid6--4T-r6_4T_files_corig /media/data/
root@fileserver:~# lvchange -ay raid6-4T/lvm-var_corig --activationmode partial
PARTIAL MODE. Incomplete logical volumes will be processed.
Do you want to activate component LV in read-only mode? [y/n]: y
Allowing activation of component LV.
Couldn't find device with uuid tOkG3t-aWGl-4PfO-DI3O-TMoG-ia1z-p4UQgP.
Couldn't find device with uuid qmDOrk-0SRI-9Z1S-PzgI-GRI8-xLrP-kC5LHd.
root@fileserver:~# mount -o noload -r /dev/mapper/raid6--4T-lvm--var_corig /media/var/
