Sponsored Content
Top Forums UNIX for Dummies Questions & Answers Unable to reduce the size of volume group? Post 302587078 by frappa on Wednesday 4th of January 2012 04:54:11 AM
Old 01-04-2012
Hi pinga123,

first of all, have you a backup of yuor data? Are you doing this on test or production system?
Remember to take all possible precautions to prevent data loss BEFORE doing anything. Take into account the possibility of having a downtime of the system you're working with.

Check man pages for command pvresize; it shoul allow you to resize the PV with the option '--setphysicalvolumesize size'.

Look also at the 'RESTRICTIONS' section of the man pages.

You can use the -t and -v flags to see what the output of the command would be without actually doing any change.

see ya
fra
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

How to check size of Volume Group

Did anyone knows how to check size/usage of a Volume Group in AIX 4.3.3? (4 Replies)
Discussion started by: s_aamir
4 Replies

2. Solaris

How to reduce the size of a logical volume in solaris 9

Hi, I have the following problem. I just have a new machine with mirroring. The logical volume for /opt is dimensionned to 75 GB which is to much. I want a volume of 10 GB. How can I reduce the size ? I tried to reduce the size of the slice from 75 GB to 10 GB, but the size of the logical volume... (6 Replies)
Discussion started by: aribault
6 Replies

3. AIX

Volume Group Size

Hello, Can somebody please help. I'm able to view volume groups by using the command "lsvg", how can I view what space is available to that particular volume group Many Thanks (3 Replies)
Discussion started by: ugxd14
3 Replies

4. AIX

Volume Group - PP Size

Hi Friends- We know that the Max PP size in a Normal VG and Big VG is 1 GB and in case of scalable VG it is 128 G. My Questions: 1) What is the min PP size allowed for Normal VG, Big VG and Scalable VG? 2) Why is the max PP Size in Normal and Big VG is 1 G and 128 G in... (1 Reply)
Discussion started by: deshaipet
1 Replies

5. UNIX for Dummies Questions & Answers

Unable to deactivate a Volume Group

We want to deactivate a VG but failed, because one of the LVs created there is busy. When we are trying to unmount the LV, it is telling "not mounted" and if I execute mount command it will be informing us "already mounted". dmsetup info is indicating "Open Count = 1". Please help me, how we... (5 Replies)
Discussion started by: atanubanerji
5 Replies

6. HP-UX

Increase Size of a Volume Group

Hi I have hp-ux 10.20 I have have my operating system VG of 7 GB in a 36Gb disk. So I have like 29GB of unused disk space. There is any way to increase my VG size, or to add another VG in the same disk so I can use all the disk space? Another question, what is the maximun size that a VG can ... (10 Replies)
Discussion started by: pmoren
10 Replies

7. AIX

Unable to extend volume group(VG)

Would some help me on this below I am trying to extend file system on AIX and however unable to extend the file system. 0516-306 extendvg: Unable to find physical volume 20 in the Device Configuration Database. 0516-321 extendvg: Physical volume u01-lv is not configured. 0516-792... (15 Replies)
Discussion started by: murali969
15 Replies

8. AIX

/usr/sbin/extendvg: Unable to extend volume group

Dear Expret, Help me about my issue, I trying add new disk to volume Group but error: step add new disk to volume group. 1. ~Change a Volume Group Add a Physical Volume to a Volume Group Remove a Physical Volume from a Volume Group Reorganize a Volume Group... (6 Replies)
Discussion started by: williamen
6 Replies

9. AIX

Restvg does not assign the correct PP size to volume group

hello, i am running an AIX6.1 machine and i am trying to restore a volume group that i backed up using mkvgdata command from another server. although i checked file .data and i make sure that PP size for this volume group is 128, when i run restvg command to restore it, it fails because it... (2 Replies)
Discussion started by: omonoiatis9
2 Replies

10. Red Hat

Shrink ext4 filesystem and reduce the size of a Logical Volume in Linux

Hello guys, I would like to ask you kindly if you don't know some quick and safe method how to shrink ext4 filesystem and reduce the size of a Logical Volume in Linux, please? Thank you very much. (2 Replies)
Discussion started by: los_bandidos
2 Replies
PVRESIZE(8)						      System Manager's Manual						       PVRESIZE(8)

NAME
pvresize - resize a disk or partition in use by LVM2 SYNOPSIS
pvresize [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--version] [--setphysicalvolumesize size] PhysicalVolume [PhysicalVolume...] DESCRIPTION
pvresize resizes PhysicalVolume which may already be in a volume group and have active logical volumes allocated on it. OPTIONS
See lvm(8) for common options. --setphysicalvolumesize size Overrides the automatically-detected size of the PV. Use with care, or prior to reducing the physical size of the device. EXAMPLES
Expand the PV on /dev/sda1 after enlarging the partition with fdisk: pvresize /dev/sda1 Shrink the PV on /dev/sda1 prior to shrinking the partition with fdisk (ensure that the PV size is appropriate for your intended new parti- tion size): pvresize --setphysicalvolumesize 40G /dev/sda1 RESTRICTIONS
pvresize will refuse to shrink PhysicalVolume if it has allocated extents after where its new end would be. In the future, it should relo- cate these elsewhere in the volume group if there is sufficient free space, like pvmove does. pvresize won't currently work correctly on LVM1 volumes or PVs with extra metadata areas. SEE ALSO
lvm(8), pvmove(8), lvresize(8), fdisk(8) Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) PVRESIZE(8)
All times are GMT -4. The time now is 05:57 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy