ProxmoxVE之系統(tǒng)重裝磁盤(pán)清理-創(chuàng)新互聯(lián)

ProxmoxVE 之系統(tǒng)重裝磁盤(pán)清理

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上次有一臺(tái)物理機(jī)裝了PVE，由于當(dāng)初規(guī)劃沒(méi)有規(guī)劃好，在配置使用存儲(chǔ)的時(shí)候出了問(wèn)題，后面索性就重裝，當(dāng)重裝后發(fā)現(xiàn)除了系統(tǒng)盤(pán)會(huì)格式化之外，其他原先的盤(pán)的分區(qū)信息還是存在，特別是殘留了大量的lvm的信息，所以還是需要手工去干預(yù)處理。這里做一個(gè)記錄。

按照一般的lvm刪除lv vg pv的順序，首先是刪除vg下的lv ，再刪除vg，最后刪除pv ，但是一般情況下pve在使用過(guò)程中會(huì)產(chǎn)生大量的lv，所以在刪除的時(shí)候，可以使用vgremove命令直接刪除vg，會(huì)同時(shí)將vg下的lv刪除。

重裝完成后，pve節(jié)點(diǎn)會(huì)自己創(chuàng)建一個(gè)叫pve的vg ，除此之外的，都是原來(lái)殘留的vg，如下所示：

root@pve:~# vgdisplay |more --- Volume group --- VG Name ceph-d910d1d3-3595-4c5a-93ed-579e4a0968b4 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 17 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 30.00 GiB PE Size 4.00 MiB Total PE 7679 Alloc PE / Size 7679 / 30.00 GiB Free PE / Size 0 / 0 VG UUID Ngu9qK-BILc-sY4K-BFLG-0ICd-k4Fp-5mVXpg --- Volume group --- VG Name ceph-3ab6b8cb-a06c-458f-9947-eaaf40fc0525 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 17 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 30.00 GiB PE Size 4.00 MiB Total PE 7679 Alloc PE / Size 7679 / 30.00 GiB Free PE / Size 0 / 0 VG UUID T8ReNU-YOdO-Bver-KdYe-NG1p-qoiv-T6tUO1 --- Volume group --- VG Name ceph-aa50bad9-b042-40bd-b060-438cddaf8ff2 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 17 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 30.00 GiB PE Size 4.00 MiB Total PE 7679 Alloc PE / Size 7679 / 30.00 GiB Free PE / Size 0 / 0 VG UUID Wnn3OH-X11z-TovS-VFxn-sbz7-btsH-jPbUUa --- Volume group --- VG Name ceph-38029056-30a1-4bb8-b94f-da32dde62217 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 17 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 30.00 GiB PE Size 4.00 MiB Total PE 7679 Alloc PE / Size 7679 / 30.00 GiB Free PE / Size 0 / 0 VG UUID IT06de-ABnj-yE07-4VFS-WqES-0cep-7j3O4I --- Volume group --- VG Name vg-sdb System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 32.00 GiB PE Size 4.00 MiB Total PE 8191 Alloc PE / Size 7696 / 30.06 GiB Free PE / Size 495 / 1.93 GiB VG UUID QDHI0E-K5Vd-DZ77-o6N9-JRGC-AezH-eIai7Q --- Volume group --- VG Name pvevg2 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 493 VG Access read/write VG Status resizable MAX LV 0 Cur LV 23 Open LV 7 Max PV 0 Cur PV 1 Act PV 1 VG Size 556.93 GiB PE Size 4.00 MiB Total PE 142573 Alloc PE / Size 140836 / 550.14 GiB Free PE / Size 1737 / 6.79 GiB VG UUID 0NWJ32-iGhh-jPU8-BwxZ-46Ie-5DDB-md0XFB --- Volume group --- VG Name ceph-18ccfe46-ab1a-44e4-9b5e-910d55679b2d System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 17 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 30.00 GiB PE Size 4.00 MiB Total PE 7679 Alloc PE / Size 7679 / 30.00 GiB Free PE / Size 0 / 0 VG UUID 6A7ViB-O1UM-sbBw-iCSn-RR3D-IA2o-Uf5nMW --- Volume group --- VG Name ceph-ca21f994-6ea2-4d97-9377-b71e1713089d System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 17 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 30.00 GiB PE Size 4.00 MiB Total PE 7679 Alloc PE / Size 7679 / 30.00 GiB Free PE / Size 0 / 0 VG UUID bBvYWE-skn5-lD6G-A0aa-HvC1-cufv-HPh69e --- Volume group --- VG Name pve System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 2 Max PV 0 Cur PV 1 Act PV 1 VG Size 556.68 GiB PE Size 4.00 MiB Total PE 142509 Alloc PE / Size 138413 / 540.68 GiB Free PE / Size 4096 / 16.00 GiB VG UUID 3rZ2nK-8oci-O0gh-c6ac-1XXX-slCA-5kh4jZ

接下來(lái)刪除除了pve以外的所有vg：

root@pve:~# vgremove ceph-d910d1d3-3595-4c5a-93ed-579e4a0968b4 Do you really want to remove volume group "ceph-d910d1d3-3595-4c5a-93ed-579e4a0968b4" containing 1 logical volumes? [y/n]: y Do you really want to remove and DISCARD active logical volume ceph-d910d1d3-3595-4c5a-93ed-579e4a0968b4/osd-block-8b281dbd-5dac-40c7-86a9-2eadcd9d876b? [y/n]: y Logical volume "osd-block-8b281dbd-5dac-40c7-86a9-2eadcd9d876b" successfully removed Volume group "ceph-d910d1d3-3595-4c5a-93ed-579e4a0968b4" successfully removed root@pve:~# root@pve:~# vgremove ceph-3ab6b8cb-a06c-458f-9947-eaaf40fc0525 Do you really want to remove volume group "ceph-3ab6b8cb-a06c-458f-9947-eaaf40fc0525" containing 1 logical volumes? [y/n]: y Do you really want to remove and DISCARD active logical volume ceph-3ab6b8cb-a06c-458f-9947-eaaf40fc0525/osd-block-7b89b395-2506-4997-a545-14eb1a5a029f? [y/n]: y Logical volume "osd-block-7b89b395-2506-4997-a545-14eb1a5a029f" successfully removed Volume group "ceph-3ab6b8cb-a06c-458f-9947-eaaf40fc0525" successfully removed root@pve:~# root@pve:~# vgremove -f ceph-aa50bad9-b042-40bd-b060-438cddaf8ff2 Logical volume "osd-block-c1ccede6-d03b-409b-952d-57fd702b08fd" successfully removed Volume group "ceph-aa50bad9-b042-40bd-b060-438cddaf8ff2" successfully removed root@pve:~# root@pve:~# vgremove -f ceph-38029056-30a1-4bb8-b94f-da32dde62217 Logical volume "osd-block-a2331e8c-907b-48dd-a053-071d0e1d88ca" successfully removed Volume group "ceph-38029056-30a1-4bb8-b94f-da32dde62217" successfully removed root@pve:~# vgremove -f vg-sdb Logical volume "lvm-sdb" successfully removed Volume group "vg-sdb" successfully removed root@pve:~# vgremove -f pvevg2 Logical volume "vm-112-disk-3" successfully removed Logical volume "vm-112-disk-4" successfully removed Logical volume "vm-111-disk-5" successfully removed Logical volume "vm-112-disk-5" successfully removed Logical volume "vm-113-disk-5" successfully removed Logical volume "vm-112-disk-7" successfully removed Logical volume "snap_vm-112-disk-2_pve52init1" successfully removed Logical volume "snap_vm-112-disk-6_pve52init1" successfully removed Logical volume "vm-111-state-pve52ceph2" successfully removed Logical volume "vm-113-state-pve52ceph2" successfully removed Logical volume "vm-111-state-pve52cephok" successfully removed Logical volume "vm-113-state-pve52cephok" successfully removed Logical volume pvevg2/vm-111-disk-2 is used by another device. root@pve:~# vgremove ceph-18ccfe46-ab1a-44e4-9b5e-910d55679b2d -f Logical volume "osd-block-7e68233c-97b2-4bd7-8d24-a48212e02943" successfully removed Volume group "ceph-18ccfe46-ab1a-44e4-9b5e-910d55679b2d" successfully removed root@pve:~# vgremove ceph-ca21f994-6ea2-4d97-9377-b71e1713089d -f Logical volume "osd-block-a489f6f9-e24d-408c-ada2-850dbe876c23" successfully removed Volume group "ceph-ca21f994-6ea2-4d97-9377-b71e1713089d" successfully removed root@pve:~#

再次查看vg和pv情況：

root@pve:~# vgdisplay --- Volume group --- VG Name pve System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 2 Max PV 0 Cur PV 1 Act PV 1 VG Size 556.68 GiB PE Size 4.00 MiB Total PE 142509 Alloc PE / Size 138413 / 540.68 GiB Free PE / Size 4096 / 16.00 GiB VG UUID 3rZ2nK-8oci-O0gh-c6ac-1XXX-slCA-5kh4jZ root@pve:~# root@pve:~# pvdisplay --- Physical volume --- PV Name /dev/sda3 VG Name pve PV Size 556.68 GiB / not usable 1.98 MiB Allocatable yes PE Size 4.00 MiB Total PE 142509 Free PE 4096 Allocated PE 138413 PV UUID 6LqVrb-YLWy-doYc-RMVR-XA58-6XuQ-sSVpwD "/dev/sdb1" is a new physical volume of "556.93 GiB" --- NEW Physical volume --- PV Name /dev/sdb1 VG Name PV Size 556.93 GiB Allocatable NO PE Size 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID 45XFJa-Uixa-4zi7-2Bbe-LnEs-vRea-XAKjiB

清理成功！

另外，記錄一下，如果碰到一些lv像狗皮膏藥一樣怎么刪都提示設(shè)備忙被占用的情況下怎么刪除的方法。我參考了這個(gè)網(wǎng)址的內(nèi)容：

http://blog.roberthallam.org/2017/12/solved-logical-volume-is-used-by-another-device/comment-page-1/

主要是用到了dmsetup這個(gè)更加底層的指令，主要步驟如下：

# lvremove -v /dev/vg/lv-old DEGRADED MODE. Incomplete RAID LVs will be processed. Using logical volume(s) on command line Logical volume vg/lv-old is used by another device. # dmsetup info -c | grep old vg-lv--old 253 9 L--w 1 2 1 LVM-6O3jLvI6ZR3fg6ZpMgTlkqAudvgkfphCyPcP8AwpU2H57VjVBNmFBpL Tis8ia0NE $ ls -la /sys/dev/block/253\:9/holders drwxr-xr-x 2 root root 0 Dec 12 01:07 . drwxr-xr-x 8 root root 0 Dec 12 01:07 .. lrwxrwxrwx 1 root root 0 Dec 12 01:07 dm-18 -> ../../dm-18 # dmsetup remove /dev/dm-18 # lvremove -v /dev/vgraid6/lv-old

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本文題目：ProxmoxVE之系統(tǒng)重裝磁盤(pán)清理-創(chuàng)新互聯(lián)
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