Volume Group of VM visible under XEN hypervisor

Solution Verified - Updated -

Issue

  • Disks in a VM not created with a partition as it is configured in XEN configuration file causing the volume group of VM to be displayed under Hypervisor
- vgs output from Xen Hypervisor

[root@host ~]# vgs
  WARNING: Duplicate VG name vgtest: 0WMdWJ-SGuM-ZSF6-I6gh-hZlG-teNd-JLIyOL (created here) takes precedence over B4fbd6-GpPP-Rrlc-1fYy-vQ7s-4Hqg-aX9Ie1
  VG            #PV #LV #SN Attr   VSize   VFree

  vgtest        5   3   0 wz--nc 319.84G   6.25G
  vgtest        4   3   0 wz-pn- 377.47G      0         <======== VG of VM getting displayed under hypervisor.

- vgs output from XEN VM
[root@VM ~]# vgs
  VG       #PV #LV #SN Attr   VSize   VFree
  vgtest   4   3   0 wz--n- 377.47G     0
  vgroot     1   5   0 wz--n-  60.69G 33.69G

Environment

  • Red Hat Enterprise Linux 5
  • Xen
  • LVM

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