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Full Discussion: No VolGroup00 found after restart of the system
Operating Systems Linux Red Hat No VolGroup00 found after restart of the system Post 303012317 by bakunin on Friday 2nd of February 2018 05:14:07 AM
Old 02-02-2018
This is the root cause of your problem:

Quote:
Originally Posted by Anjan Ganguly
Code:
Red Hat nash version 5.1.19.6 starting
  Reading all physical volumes.  This may take a while...
  No volume groups found

Everything else is just a consequence of that. It seems that your system has lost touch with the hard disk(s) once attached to it. Reasons could be (the list is not exhaustive):

- disk(s) have been removed physically
- adapter(s) to which the disk(s) is/are attached is/are removed/broken
- if disks are LUNs the zoning has been changed

and many reasons more. Can you tell us how your system was built (hardware-wise) so that we can narrow the possible reasons down?

I hope this helps.

bakunin
 

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LEARN ABOUT LINUX

vgreduce

VGREDUCE(8)						      System Manager's Manual						       VGREDUCE(8)

NAME

       vgreduce - reduce a volume group

SYNOPSIS

       vgreduce  [-a|--all] [-A|--autobackup y|n] [-d|--debug] [-h|-?|--help] [--removemissing] [-t|--test] [-v|--verbose] VolumeGroupName [Physi-
       calVolumePath...]

DESCRIPTION

       vgreduce allows you to remove one or more unused physical volumes from a volume group.

OPTIONS

       See lvm for common options.

       -a, --all
	      Removes all empty physical volumes if none are given on command line.

       --removemissing
	      Removes all missing physical volumes from the volume group, if there are no logical volumes allocated on those. This resumes  normal
	      operation of the volume group (new logical volumes may again be created, changed and so on).

	      If this is not possible (there are logical volumes referencing the missing physical volumes) and you cannot or do not want to remove
	      them manually, you can run this option with --force to have vgreduce remove any partial LVs.

	      Any logical volumes and dependent snapshots that were partly on the missing disks get removed completely. This includes those  parts
	      that lie on disks that are still present.

	      If your logical volumes spanned several disks including the ones that are lost, you might want to try to salvage data first by acti-
	      vating your logical volumes with --partial as described in lvm (8).

SEE ALSO

       lvm(8), vgextend(8)

Sistina Software UK					 LVM TOOLS 2.02.95(2) (2012-03-06)					       VGREDUCE(8)
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