resizing lun/volume on vmware redhat linux

1. Assign additional space to host from vCenter

2. Logon to host and rescan disks

#Rescan disks on host

ls /sys/class/scsi_host/ | while read host ; do echo "- - -" > /sys/class/scsi_host/$host/scan ; done

for device in `ls /dev/sd?|awk -F\/ '{print $3}'`; do echo 1 > /sys/block/$device/device/rescan;done;

pvresize /dev/sd?

3. Expand space

[root@test]# lvresize /dev/VG_test/LV_test --size +10GB

[root@test]# resize2fs /dev/VG_test/LV_test