LINUX运维--麒麟操作系统基于PV丢失情况下删除PV

1.发现问题

1.1 查看磁盘信息

[root@hx ~]# pvs
  WARNING: Device for PV aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT not found or rejected by a filter.
  Couldn't find device with uuid aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT.
  PV         VG     Fmt  Attr PSize    PFree
  /dev/vdb1  vgdata lvm2 a--  <200.00g    0
  [unknown]  vgdata lvm2 a-m   <10.00g    0
[root@hx ~]# vgs
  WARNING: Device for PV aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT not found or rejected by a filter.
  Couldn't find device with uuid aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT.
  VG     #PV #LV #SN Attr   VSize   VFree
  vgdata   2   1   0 wz-pn- 209.99g    0
[root@hx ~]# lvs
  WARNING: Device for PV aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT not found or rejected by a filter.
  Couldn't find device with uuid aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT.
  LV     VG     Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  lvdata vgdata -wi-----p- 209.99g
[root@hx ~]# pvdisplay
  WARNING: Device for PV aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT not found or rejected by a filter.
  Couldn't find device with uuid aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT.
  --- Physical volume ---
  PV Name               [unknown]
  VG Name               vgdata
  PV Size               10.00 GiB / not usable 4.00 MiB
  Allocatable           yes
  PE Size               4.00 MiB
  Total PE              2559
  Free PE               2559
  Allocated PE          0
  PV UUID               aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT

  --- Physical volume ---
  PV Name               /dev/vdb1
  VG Name               vgdata
  PV Size               <200.00 GiB / not usable 3.03 MiB
  Allocatable           yes
  PE Size               4.00 MiB
  Total PE              51199
  Free PE               51199
  Allocated PE          0
  PV UUID               5CAbQT-qAB4-HaT7-EeJf-X3EE-A2aX-dx94e2

 可以看到aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT对应的PV Name已丢失。

1.2 删除LV

[root@hx ~]# lvremove /dev/vgdata/lvdata
  WARNING: Device for PV aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT not found or rejected by a filter.
  Couldn't find device with uuid aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT.
  Logical volume "lvdata" successfully removed
[root@hx ~]# lvs
  WARNING: Device for PV aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT not found or rejected by a filter.
  Couldn't find device with uuid aSyF11-trxa-WUUW-CX7k-rAur-0Brm-EYYizT.

1.3 删除VG 

[root@hx ~]# vgrem