linux 普通挂载/LVM挂载/LVM扩容

Can’t initialize physical volume “/dev/sdb” of volume group “xxx” without -ff /dev/sdb: physical volume not initialized.

解决方案：

sudo pvcreate -ff -y /dev/sdb1
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Can’t open /dev/sdb1 exclusively. Mounted filesystem?

解决方案：
查看物理卷（PV）的详细信息

sudo pvdisplay
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ll /dev/mapper/
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总用量 0
lrwxrwxrwx 1 root root       7 9月  21 10:14 ao-root -> ../dm-0
lrwxrwxrwx 1 root root       7 9月  21 10:14 ao-swap -> ../dm-1
crw------- 1 root root 10, 236 9月  21 10:14 control
lrwxrwxrwx 1 root root       7 9月  21 10:25 myvg1-mylv1 -> ../dm-2
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sudo dmsetup remove myvg1-mylv1
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xfs_growfs: /data is not a mounted XFS filesystem

sudo xfs_growfs /dev/myvg1/mylv1
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不知道LV Path先查询

sudo lvdisplay
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 --- Logical volume ---
  LV Path                /dev/myvg1/mylv1
  LV Name                mylv1
  VG Name                myvg1
  LV UUID                UDwj1D-EeHA-1t82-IRnk-8Re3-tlMK-2zxlg7
  LV Write Access        read/write
  LV Creation host, time localhost.localdomain, 2022-09-21 10:18:22 +0800
  LV Status              available
  # open                 1
  LV Size                1.46 TiB
  Current LE             383998
  Segments               2
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     8192
  Block device           253:2
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WARNING: Device for PV 6bnkEQ-UlDh-FgK0-Pl2A-l5tj-51D1-fxmzBD not found or rejected by a filter.

解决：
VG是VG Name，可以通过sudo pvdisplay命令查询

sudo vgreduce --removemissing VG
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