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Full Discussion: Different sizes with getconf DISK_SIZE and lspv
Operating Systems AIX Different sizes with getconf DISK_SIZE and lspv Post 302965793 by -=XrAy=- on Wednesday 3rd of February 2016 06:17:06 AM
Old 02-03-2016
Hi,

i guess the size of the disk has changed in the past and the LVM is currently not aware of this.

man chvg
Code:
   -g
            Will examine all the disks in the volume group to see if they have grown in size. If any disks have grown in size attempt to add
            additional PPs to PV. If necessary will determine proper 1016 multiplier and conversion to big vg.

            Note: The user might be required to execute varyoffvg and then varyonvg on the volume group for LVM to see the size change on the
            disks.

Normaly this happens when we increase the size of LUN on the storage layer. Decreasing a LUN where the LVM is not aware of it should result in a IO failure...

Regards
Last edited by -=XrAy=-; 02-03-2016 at 07:24 AM..
This User Gave Thanks to -=XrAy=- For This Post:
zaxxon
 

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LEARN ABOUT HPUX

pvremove

pvremove(1M)															      pvremove(1M)

NAME

       pvremove - remove LVM data structure from a physical volume

SYNOPSIS

DESCRIPTION

       The  command  clears  the LVM data structure on a disk, so that it is no longer an LVM physical volume.	The device may then be used by the
       file system or by other volume managers.

       The operation is denied if pv_path is assigned to a volume group.  The command only clears the LVM data structure on a  disk  if  the  disk
       does not belong to a volume group.  This avoids accidentally removing a valid physical volume under a volume group.  If the physical volume
       to be removed belongs to a volume group, use the command to first remove the volume group associated with the physical volume.

   Arguments
       recognizes the following arguments:

	      pv_path	The character (raw) device path name of a physical volume.

EXTERNAL INFLUENCES

   Environment Variables
       determines the language in which messages are displayed.

       If is not specified or is null, it defaults to "C" (see lang(5)).

       If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)).

EXAMPLES

       Remove LVM data structure on the physical volume

SEE ALSO

       lvremove(1M), vgremove(1M), intro(7), lvm(7).

																      pvremove(1M)
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