< 6 Metadata Recovery of a Physical Volume | Commands

https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13062676#overview

35. Physical Volume Attributes

pvs
  PV         VG   Fmt  Attr PSize   PFree
  /dev/sda3  v1VG lvm2 a--  196.96g    0 
  /dev/sdb1       lvm2 ---  196.96g    0 
  /dev/sdc1  v2vm lvm2 ax-  196.96g    0

• PV – Physical volume location
• VG – Name of the VG it belongs to
• Fmt – ?
• Attr – Attributes
  • a – Allocated to a volume group
    • Notice /sdb1 has no VG, and does not have ‘a’
    • You can also stop allocation to an allocated PV using the pvchange command and remove the ‘a’ flag
  • x – The volume group has been exported

36. Volume Group Attributes

https://www.udemy.com/course/a-complete-guide-on-linux-lvm/learn/lecture/13062676#overview

vgs
VG   #PV  #LV  #SN  Attr   VSize  VFree
myvg   3    5    0  wz--n- 5.98g  4.86g

• VG – Name of the Volume Group
• PV – Physical Volumes
• LV – Logical Volumes contained within this VG
• SN – Serial Number.  Starts at 0 and increments by 1.
• Attr – Attributes
  • w/r – (w)rite or (r)ead only
  • z – si(z)e. The VG can be expanded.
  • x – The VG has been e(x)ported.
  • p – (p)artially deactivated
  • n – Allocation Policy: (n)ormal
  • c – (c)luster

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