Friday, January 28, 2011

To add LVM partition Permanently

Disk Looks something like this :


[root@oid ~]# df -k
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hda1              1252632    409940    778032  35% /
/dev/hda7               505604    480539         0 100% /home
/dev/hda3              1019240    153740    812888  16% /var
/dev/sde1              6190664    147668   5728528   3% /tmp
/dev/hda5              2030736     35880   1890036   2% /oem
/dev/hda2              3050092   1291860   1600796  45% /usr
tmpfs                  3932160         0   3932160   0% /dev/shm
/dev/mapper/xen--vm-xen_prov
                     464455440    202872 440659608   1% /xen

1) Take a backup of /etc/fstab
#cp /etc/fstab /etc/fstab.orig

2) edit /etc/fstab with below line 

<partition as show in df output>     <monted on>   <filesystem> 
/dev/mapper/xen--vm-xen_prov    /xen            ext3    defaults        0 2


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