How to resize an EXT3 if default block size is changed to 1K from 4K

Solution 1:

Using mkfs command to change block site and also other utility to change the block site which below: 1) gpart 2) parted

Other option:

root@space:~# mkfs.ext4 –m 0 -b 4096 /dev/rootfs

Solution 2:

Given 2 TB of 1K blocks is right at the 2 billion mark, you probably are over the maximum blocks of ext3.

Note that Red Hat suggest 4K block sizes to achieve the max 16TB