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Full Discussion: CHFS running clean but FileSize not changing
Operating Systems AIX CHFS running clean but FileSize not changing Post 302957335 by MichaelFelt on Friday 9th of October 2015 08:58:52 AM
Old 10-09-2015
When I first starting reading I read over your literal question - the filesystem stats are not changing.

A bit of analysis.

The lsvg output says each PP (physical partition) is 256M (byte) - so 4 of these would be 1 GByte - and 40 would be the 10GByte that du is reporting.

Since 482 are already allocated - chfs simply does the expansion in place - so the lsvg/lslv output should not be changing.

At this point, as pointed out earlier that you have 482 PP in one listing, and 483 PP in another - whoever is running these commands (for you) is not giving you data "as it happens" - short form - I see too many "mistakes" in the data to provide a reply "to the data presented to us".

More analysis and guessing:

Quote:
sapep101dr(root):/home/root>chfs -a size=+512M /oracle/EP1/sapdata1
Filesystem size changed to 253231104
chfs looks at the data in /etc/filesystems (aka LVCB/VG info) and updates that. If another filesystem is mounted over that mount point then df will tell what is mounted over that mount point.

Getting back to the data above - the 2532231104 is in 512 byte blocks. That is roughly 120.75 GByte - and if we multiple 120.75 * 4 (i.e. 4PP per GByte we get 483 PP)

My guess is that chfs is working as it should, but something else is mounted over /oracle/EP1/sapdata1
 

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LEARN ABOUT LINUX

vgimportclone

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

NAME

       vgimportclone - import and rename duplicated volume group (e.g. a hardware snapshot)

SYNOPSIS

       vgimportclone [-n|--basevgname VolumeGroupName] [-i|--import] PhysicalVolume [PhysicalVolume...]

DESCRIPTION

       vgimportclone is used to import a duplicated VG (e.g. hardware snapshot).  Duplicate VG(s) and PV(s) are not able to be used until they are
       made to coexist with the origin VG(s) and PV(s).  vgimportclone renames the VG associated with the specified PV(s) and changes the  associ-
       ated VG and PV UUIDs.

OPTIONS

       See lvm for common options.

       -n|--basevgname VolumeGroupName
	      By  default  the	snapshot  VG  will be renamed to the original name plus a numeric suffix to avoid duplicate naming (e.g. 'test_vg'
	      would be renamed to 'test_vg1').	This option will override the base VG name that is used for all  VG  renames.	If  a  VG  already
	      exists with the specified name a numeric suffix will be added (like the previous example) to make it unique.

       -i|--import
	      Import exported Volume Groups.  Otherwise VGs that have been exported will not be changed (nor will their associated PVs).

ENVIRONMENT VARIABLES

       LVM_BINARY
	      The LVM2 binary to use.  Defaults to "lvm".

EXAMPLES

       The  origin VG vg00 has origin PVs /dev/sda and /dev/sdb and the respective snapshot PVs are /dev/sdc and /dev/sdd.  To rename the VG asso-
       ciated with /dev/sdc and /dev/sdd from vg00 to vg00_snap (and to change associated VG and PV UUIDs) do:

	    vgimportclone --basevgname vg00_snap /dev/sdc /dev/sdd

SEE ALSO

       lvm(8)

Red Hat, Inc.						 LVM TOOLS 2.02.95(2) (2012-03-06)					  VGIMPORTCLONE(8)
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