On Mon, 2019-12-02 at 21:05 +0800, Ed Greshko wrote:
> > How can I blow away LVM on the cloned drive without having to start
> > again from scratch?
> >
>
> Are you looking for commands like lvremove and pvremove?
I'd already looked at those.
lvremove takes an LV identifier as argument, but since the cloned
partition has the same id as the original, and the original is still in
use on the active system, it won't let me remove it:
$ sudo lvremove -t -f fedora_localhost-live/swap
TEST MODE: Metadata will NOT be updated and volumes will not be
(de)activated.
/dev/sde: open failed: No medium found <------------------ I don't know
what this is -------------
WARNING: Not using device /dev/sdc3 for PV
VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS.
WARNING: PV VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS prefers device
/dev/sda3 because device is used by LV.
Logical volume fedora_localhost-live/swap in use.
pvremove gives the same error as before:
$ sudo pvremove /dev/sdc3
/dev/sde: open failed: No medium found
WARNING: Not using device /dev/sdc3 for PV
VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS.
WARNING: PV VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS prefers device /dev/sda3
because device is used by LV.
Device /dev/sdc3 excluded by a filter.
I don't know why it's complaining about /dev/sde. There is no such
device on my system:
$ lsblk -f
NAME FSTYPE LABEL UUID
FSAVAIL FSUSE% MOUNTPOINT
sda
├─sda1 vfat 13EE-9841
579.2M 3% /boot/efi
├─sda2 ext4
39fbc534-68c2-421b-9bcd-96fd22320f37 676.5M 24% /boot
└─sda3 LVM2_member
VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS
├─fedora_localhost--live-swap swap
6c16e7ba-a483-4832-ab9b-a32af7f46d62 [SWAP]
├─fedora_localhost--live-home ext4
929f2710-cb9e-44d4-bdd8-52f733a408e6
└─fedora_localhost--live-root ext4
d38245ca-2e6d-491f-991b-c93cb76ce1af 35.7G 42% /
sdb
└─sdb1 btrfs home
6496d6da-6b7a-4cdd-9bb8-767c08d1c84e 364.2G 80% /home
sdc
├─sdc1 vfat 71DB-ECF6
├─sdc2 ext4
b35d090b-0072-491b-8664-5c18aa16dd4d 676.5M 24% /home/poc/SDC2
├─sdc3 LVM2_member
VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS
├─sdc4 swap swap
4712b7bc-be30-467b-a5c5-67dcb8c9eb53
└─sdc5 ext4 home
c1df25d9-4c89-43a5-886d-3bbbf8513b22 679G 55% /Wim
sdd
├─sdd1 ntfs Recovery DEC47E01C47DDBE9
├─sdd2 vfat 6881-A320
├─sdd3
├─sdd4 ntfs 2224823A248210C9
└─sdd5 ntfs 1C36E53036E50B98
/dev/sda is the original (source) disk and /dev/sdc the new (cloned)
disk. Some partition UUIDs on /dev/sdc have been changed using gparted,
but it refuses to touch /dev/sdc3 which thus has the same UUID as the
original /dev/sda3. Ignore the temporary mount points for these.
For completeness, here are the current LV and PV listings:
$ sudo lvdisplay
/dev/sde: open failed: No medium found
WARNING: Not using device /dev/sdc3 for PV
VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS.
WARNING: PV VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS prefers device
/dev/sda3 because device is used by LV.
--- Logical volume ---
LV Path /dev/fedora_localhost-live/swap
LV Name swap
VG Name fedora_localhost-live
LV UUID fTxmLI-LtUa-zBff-Ozyv-GiEY-XKhJ-nLTLFY
LV Write Access read/write
LV Creation host, time localhost-live, 2019-11-07 18:23:56 +0000
LV Status available
# open 2
LV Size 7.72 GiB
Current LE 1977
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Path /dev/fedora_localhost-live/home
LV Name home
VG Name fedora_localhost-live
LV UUID 20haaX-QwiB-aCN1-acvW-WAZT-JSbP-RoaiVF
LV Write Access read/write
LV Creation host, time localhost-live, 2019-11-07 18:23:57 +0000
LV Status available
# open 0
LV Size <33.62 GiB
Current LE 8606
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
--- Logical volume ---
LV Path /dev/fedora_localhost-live/root
LV Name root
VG Name fedora_localhost-live
LV UUID 7i9QWE-pyJj-MbGC-pAP8-AQsK-Cb6H-1u5LOi
LV Write Access read/write
LV Creation host, time localhost-live, 2019-11-07 18:23:57 +0000
LV Status available
# open 1
LV Size <68.86 GiB
Current LE 17628
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:2
[poc@Bree ~]$ sudo pvdisplay
/dev/sde: open failed: No medium found
WARNING: Not using device /dev/sdc3 for PV
VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS.
WARNING: PV VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS prefers device
/dev/sda3 because device is used by LV.
--- Physical volume ---
PV Name /dev/sda3
VG Name fedora_localhost-live
PV Size 110.20 GiB / not usable 4.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 28211
Free PE 0
Allocated PE 28211
PV UUID VKT04D-m4CK-6n7L-vSMI-vohC-W8bt-zPVCxS
poc
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