Unable to activate volume group, getting error " device-mapper: reload ioctl on (253:7) failed: No such device or address".
Issue
- Unable to activate
volume group, getting following errors.
$ vgchange -a y testvg
device-mapper: reload ioctl on (253:7) failed: No such device or address
0 logical volume(s) in volume group "testvg" now active
# lvchange -ay -v testvg/testlv
Using logical volume(s) on command line.
Activating logical volume "testlv".
Creating testvg-testlv
Loading testvg-testlv table (253:7)
device-mapper: reload ioctl on (253:7) failed: No such device or address
Removing testvg-testlv (253:7)
Environment
- Red Hat Enterprise Linux 7
- lvm2
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