Package: dmsetup Version: 2:1.02.36-4 Severity: important The device-mapper udev rules currently produces UUID and LABEL entries for all devices, including the LVM specific -real device and snapshot devices. | # lvs | LV VG Attr LSize Origin Snap% Move Log Copy% Convert | test vg0_devel owi-a- 2,00G | test1 vg0_devel swi-a- 1,00G test 0,00 | # ls -al /dev/mapper/vg0_devel-test* | brw------- 1 waldi disk 254, 4 6. Sep 00:10 /dev/mapper/vg0_devel-test | brw-rw---- 1 root disk 254, 5 7. Sep 20:33 /dev/mapper/vg0_devel-test1 | brw-rw---- 1 root disk 254, 7 7. Sep 20:33 /dev/mapper/vg0_devel-test1-cow | brw------- 1 waldi disk 254, 6 7. Sep 20:33 /dev/mapper/vg0_devel-test-real | # cat /dev/.udev/db/\\x2fdevices\\x2fvirtual\\x2fblock\\x2fdm-4 | N:mapper/vg0_devel-test | S:block/254:4 | S:dm-4 | S:disk/by-id/dm-name-vg0_devel-test | S:disk/by-id/dm-uuid-LVM-gQW16K2IGtKODuJvxplrppedk57IHSrsg6ATwJYh28mwsb271Cwni4UV1IXnYzmC | S:disk/by-uuid/0995ba56-731a-4e9a-a047-d12ae5117606 | S:vg0_devel/test [...] | # cat /dev/.udev/db/\\x2fdevices\\x2fvirtual\\x2fblock\\x2fdm-5 | N:mapper/vg0_devel-test1 | S:block/254:5 | S:dm-5 | S:disk/by-id/dm-name-vg0_devel-test1 | S:disk/by-id/dm-uuid-LVM-gQW16K2IGtKODuJvxplrppedk57IHSrsoCyDbIs9tJJWNCvrS9bp23pyyxYCxve4 | S:disk/by-uuid/0995ba56-731a-4e9a-a047-d12ae5117606 | S:vg0_devel/test1 [...] | # cat /dev/.udev/db/\\x2fdevices\\x2fvirtual\\x2fblock\\x2fdm-6 | N:mapper/vg0_devel-test-real | S:block/254:6 | S:dm-6 | S:disk/by-id/dm-name-vg0_devel-test-real | S:disk/by-id/dm-uuid-LVM-gQW16K2IGtKODuJvxplrppedk57IHSrsg6ATwJYh28mwsb271Cwni4UV1IXnYzmC-real | S:disk/by-uuid/0995ba56-731a-4e9a-a047-d12ae5117606 [...] | # cat /dev/.udev/db/\\x2fdevices\\x2fvirtual\\x2fblock\\x2fdm-7 | N:mapper/vg0_devel-test1-cow | S:block/254:7 | S:dm-7 | S:disk/by-id/dm-name-vg0_devel-test1-cow | S:disk/by-id/dm-uuid-LVM-gQW16K2IGtKODuJvxplrppedk57IHSrsoCyDbIs9tJJWNCvrS9bp23pyyxYCxve4-cow [...] So the LVs test and test1, plus the base device test-real define the same UUID name. Bastian -- Only a fool fights in a burning house. -- Kank the Klingon, "Day of the Dove", stardate unknown _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
