=== [1/5] fresh images + newfs_hammer2
Volume h2base.img      size   2.00GB
PFS "LOCAL"
PFS "DATA"
=== [2/5] mount, populate, clean unmount
clone unit: vn4
/mnt/zdir	comp_algo=0x63
/mnt/lzdir:
total 64
-rw-r--r--  1 root  wheel  114688 Oct 20 03:10 lzfile

/mnt/zdir:
total 32
-rw-r--r--  1 root  wheel  114688 Oct 20 03:10 zfile
MD5 (/root/df2655/zfile.orig) = 876569bdd45df2756a69a3fe85660f2a
MD5 (/root/df2655/lzfile.orig) = 876569bdd45df2756a69a3fe85660f2a
=== [3/5] dump pristine topology (per file)
    DATA lbase=0000000000000000 off=0000000008c00000 bytes=8192 methods=33 [zlib/check3] XXH64 OK
    DATA lbase=0000000000010000 off=0000000008c02000 bytes=8192 methods=33 [zlib/check3] XXH64 OK
    DATA lbase=0000000000000000 off=0000000008c04000 bytes=16384 methods=32 [lz4/check3] XXH64 OK
    DATA lbase=0000000000010000 off=0000000008c10000 bytes=16384 methods=32 [lz4/check3] XXH64 OK
=== [4/5] patch imgA (zfile, ZLIB payload -> zlib-invalid)
volume header: 1 valid copy, mirror_tid=17
sroot inode @142612480 XXH64 OK
LOCAL PFS root inode @142611456 (sroot slot 1)
dirent "zfile" -> inum 1025
file inode @142607360 (inum 1025, type 2, size 114688, comp 0x63) container 150994944 slot 1
target DATA bref: lbase=0000000000000000 off=0000000008c00000 bytes=8192 methods=33 container=142607360 slot 4 (2 levels)
payload XXH64 before: 8871f30635ae8c08 (bref 8871f30635ae8c08 OK)
patched 8192 payload bytes @146800640 (mode zlib)
DATA bref check -> 879a401bdb1e41c0 (container 142607360 slot 4)
cascade: block @142607360 (1024 B) -> parent @150994944 slot 1 check=b74c10b076c53fba
cascade: block @150994944 (4096 B) -> parent @142611456 slot 5 check=565bc16e5af4384b
cascade: LOCAL inode @142611456 -> sroot slot 1 check=68b116ba570f77e2
cascade: sroot inode @142612480 -> volhdr check=a421eedc1790f93e
cascade: rewrote volhdr zone 0
patch complete
=== [5/5] patch imgB (lzfile, LZ4 stream -> decompress-fail, small)
volume header: 1 valid copy, mirror_tid=17
sroot inode @142612480 XXH64 OK
LOCAL PFS root inode @142611456 (sroot slot 1)
dirent "lzfile" -> inum 1027
file inode @142609408 (inum 1027, type 2, size 114688, comp 0x02) container 150994944 slot 3
target DATA bref: lbase=0000000000000000 off=0000000008c04000 bytes=16384 methods=32 container=142609408 slot 4 (2 levels)
payload XXH64 before: b87f4da38a853435 (bref b87f4da38a853435 OK)
lz4 size prefix -> 8 (expect result = -9)
patched 16384 payload bytes @146817024 (mode lz4)
DATA bref check -> ed6f156a00363b5b (container 142609408 slot 4)
cascade: block @142609408 (1024 B) -> parent @150994944 slot 3 check=22a930606060e050
cascade: block @150994944 (4096 B) -> parent @142611456 slot 5 check=19d94ab2ab8f2a5c
cascade: LOCAL inode @142611456 -> sroot slot 1 check=2f4b5624f35b6e64
cascade: sroot inode @142612480 -> volhdr check=276d07cd325bf706
cascade: rewrote volhdr zone 0
patch complete
mkimage done.