AIX extend VG error Post: 303033820

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Operating Systems AIX AIX extend VG error Post 303033820 by Phat on Friday 12th of April 2019 04:08:43 AM

04-12-2019

Registered User

Hi Bakunin,

Understand your recommendation. My aim is to know if we can go this way technically Smilie

For the current status, there is no need to add new disk to that VG, we just need to create new VG and that's all. The scalable VG with PP size 1 GB is created Smilie

I have 1 more point, can you explain to me the in-band and calculation of the percentage? In the docs it says this is used to calculate the usage percentage of disk, but somehow I can see 0%, 100% but the disk has data already on it and still has free PPs.

Code:

[root@xxx] / > lslv -l fslv03
fslv03:/export/images
PV                COPIES        IN BAND       DISTRIBUTION
hdisk19           1599:000:000  20%           320:320:319:320:320
hdisk20           1599:000:000  20%           320:320:319:320:320
hdisk21           1599:000:000  20%           320:320:319:320:320
hdisk22           1599:000:000  20%           320:320:319:320:320
hdisk23           1599:000:000  20%           320:320:319:320:320
hdisk24           1599:000:000  20%           320:320:319:320:320
hdisk25           1599:000:000  20%           320:320:319:320:320
hdisk26           1599:000:000  20%           320:320:319:320:320
hdisk17           968:000:000   18%           320:178:319:151:000

[root@xxx] / > lspv -l hdisk21
hdisk21:
LV NAME               LPs     PPs     DISTRIBUTION          MOUNT POINT
fslv03                1599    1599    320..320..319..320..320 /export/images

[root@xxx] / > lspv hdisk21
PHYSICAL VOLUME:    hdisk21                  VOLUME GROUP:     vg_3
PV IDENTIFIER:      00fa6d12ed215e81 VG IDENTIFIER     00c1cc1400004c0000000128174b7c57
PV STATE:           active
STALE PARTITIONS:   0                        ALLOCATABLE:      yes
PP SIZE:            64 megabyte(s)           LOGICAL VOLUMES:  1
TOTAL PPs:          1599 (102336 megabytes)  VG DESCRIPTORS:   1
FREE PPs:           0 (0 megabytes)          HOT SPARE:        no
USED PPs:           1599 (102336 megabytes)  MAX REQUEST:      256 kilobytes
FREE DISTRIBUTION:  00..00..00..00..00
USED DISTRIBUTION:  320..320..319..320..320
MIRROR POOL:        None

Phat

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LEARN ABOUT REDHAT

vgextend

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

NAME

       vgextend - add physical volumes to a volume group

SYNOPSIS

       vgextend [-A|--autobackup{y|n}] [-d|--debug] [-h|--help] [-v|--verbose] VolumeGroupName PhysicalVolumePath [PhysicalVolumePath...]

DESCRIPTION

       vgextend allows you to add one or more initialized physical volumes ( see pvcreate(8) ) to an existing volume group to extend it in size.

   OPTIONS
       -A, --autobackup y/n
	      Controls automatic backup of VG metadata after the change ( see vgcfgbackup(8) ). Default is yes.

       -d, --debug
	      Enables additional debugging output (if compiled with DEBUG).

       -h, --help
	      Print a usage message on standard output and exit successfully.

       -v, --verbose
	      Gives verbose runtime information about lvextend's activities.

Examples
       "vgextend  vg00	/dev/sda4  /dev/sdn1"  tries  to  extend  the  existing volume group "vg00" by the new physical volumes (see pvcreate(8) )
       "/dev/sdn1" and /dev/sda4".

DIAGNOSTICS

       vgextend returns an exit code of 0 for success and > 0 for error:

       1  no volume group name on command line
       2  volume group name not given as first argument
       3  no physical volume(s) on command line
       4  invalid volume group name
       5  error checking existence of volume group
       6  inactive volume group
       7  error reading VGDA
       8  volume group is set to not extendable
       9  maximum physical volume number of volume group exceeded
       10 error reading all physical volumes
       11 error setting up VGDA
       12 error extending VGDA in kernel
       13 error writing VGDA to physical volume(s)

       95 driver/module not in kernel
       96 invalid I/O protocol version
       97 error locking logical volume manager
       98 invalid lvmtab (run vgscan(8))
       99 invalid command line

ENVIRONMENT VARIABLES

       LVM_AUTOBACKUP
	      If this variable is set to "no" then the automatic backup of VG metadata is turned off.

       LVM_VG_MAX_BACKUPS
	      This variable determines the backup history depth of kept VGDA copy files in /etc/lvmconf. It  can  be  set  to  a  positive  number
	      between 0 and 999.  The higher this number is, the more changes you can restore using vgcfgrestore(8).

See also
       lvm(8), vgcreate(8), vgreduce(8), pvcreate(8)

AUTHOR

       Heinz Mauelshagen <Linux-LVM@Sistina.com>

Heinz Mauelshagen						     LVM TOOLS							       VGEXTEND(8)