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-   -   extending volume group vs extending physical volume which is better ? (https://www.linuxquestions.org/questions/linux-server-73/extending-volume-group-vs-extending-physical-volume-which-is-better-4175473859/)

Gil@LQ 08-19-2013 01:39 AM
extending volume group vs extending physical volume which is better ?
 
Hi all,

I'm running a centos 6.3 on vmware esx, so far good, now ran out of disk space, increase hard drive size in vmware and now i have to increase volume group and logical volumes in centos. my doubt is
Quote:
hdd increase from 10GB to 50Gb, is creating another pv and add it to vg then increase lv is better or resizing existing physical volume to 50GB is bettter. If i ncrease PV size to 50Gb , does VG size get increased to 50GB automatically or not ?
which is safe one please help me.

Thanks in advance.

lleb 08-19-2013 10:09 AM
https://access.redhat.com/site/docum...tration_Guide/

use your web browser to search for LVM. great documentation there. sorry i dont know the answer off of the top of my head, this is were i go to read up on how to manage my LVMs when I muck about with them.

sorry here is a much more detailed LVM for RHEL 6 (CentOS 6.x) that is only about LVM administration:

https://access.redhat.com/site/docum...ion/index.html

bijanshr 08-19-2013 10:13 AM
after you increase pv size you have to increase vg size and then increase size of whatever lv you are trying to increase


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