1 create fs without csum_seed 2 Filesystem UUID: 6b33f586-a183-4383-921d-30da3fef2e5c 3 turn on csum_seed 4 Filesystem UUID: 6b33f586-a183-4383-921d-30da3fef2e5c 5 Checksum seed: 0x3ba62721 6 change uuid 7 Filesystem UUID: 1dd136c6-e47a-4833-9bf5-519f8aacabe4 8 Checksum seed: 0x3ba62721 9 check filesystem 10 fsck returns 0 11 Filesystem UUID: 1dd136c6-e47a-4833-9bf5-519f8aacabe4 12 Checksum seed: 0x3ba62721 13