Storage World: 3 .Extend the FS using LVM method.

[root@obiapp-po-1p tmp]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/RootVolGroup00-lv_root 7.8G 5.2G 2.2G 71% /

/dev/mapper/RootVolGroup00-lv_var 9.7G 790M 8.5G 9% /var

/dev/mapper/RootVolGroup00-lv_opt 20G 17G 2.3G 88% /opt

/dev/sda1 494M 18M 451M 4% /boot

tmpfs 16G 0 16G 0% /dev/shm

tmpfs 4.0K 0 4.0K 0% /dev/vx

/dev/vx/dsk/clstrdg/datavol01 511G 20G 461G 5% /data

[root@obiapp-po-1p tmp]# vgdisplay

--- Volume group ---

VG Name RootVolGroup00

System ID

Format lvm2

====================================

Alloc PE / Size 1344 / 42.00 GB

Free PE / Size 2975 / 92.97 GB

===================================

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[root@obiapp-po-1p tmp]# lvextend –L +20G /dev/RootVolGroup00/lv_opt

Extending logical volume lv_opt to 40.00 GB

Logical volume lv_opt successfully resized

[root@obiapp-po-1p tmp]# resize2fs /dev/RootVolGroup00/lv_opt

resize2fs 1.39 (29-May-2006)

Filesystem at /dev/RootVolGroup00/lv_opt is mounted on /opt; on-line resizing required

Performing an on-line resize of /dev/RootVolGroup00/lv_opt to 10485760 (4k) blocks.

The filesystem on /dev/RootVolGroup00/lv_opt is now 10485760 blocks long.