Resize the size of an image file (Xen)

Let's increase the size of an image file

># dd if=/dev/zero of=centos.img bs=1M count=1 seek=4000 conv=notrunc ># e2fsck -f -y centos.img ># resize2fs centos.img (or) ># losetup /dev/loop1 centos.img ># e2fsck -f /dev/loop1 ># resize2fs /dev/loop1 ># e2fsck -f /dev/loop1 ># losetup -d /dev/loop1

 

References
1. http://wiki.kartbuilding.net/index.php/Resize/Increase_the_Size_of_a_File_Based_DomU_Xen_Filesystem
2. http://khalid.blogspot.com.pk/2007/08/23/increasing-the-size-of-xen-disk-image