superblock: bytenr=65536, device=/dev/sda4
---------------------------------------------------------
csum			0x853a14b3 [match]
bytenr			65536
flags			0x1
magic			_BHRfS_M [match]
fsid			7cf95491-8ec6-48a2-b4c4-4b80650d169a
label			
generation		48438
root			326123520
sys_array_size		97
chunk_root_generation	44774
root_level		1
chunk_root		147456
chunk_root_level	0
log_root		326631424
log_root_transid	0
log_root_level		0
total_bytes		253975592960
bytes_used		130895491072
sectorsize		4096
nodesize		16384
leafsize		16384
stripesize		4096
root_dir		6
num_devices		1
compat_flags		0x0
compat_ro_flags		0x0
incompat_flags		0x61
csum_type		0
csum_size		4
cache_generation	48438
uuid_tree_generation	26
dev_item.uuid		158af8b2-d923-4981-a7ab-87fc20a4a8d6
dev_item.fsid		7cf95491-8ec6-48a2-b4c4-4b80650d169a [match]
dev_item.type		0
dev_item.total_bytes	253975592960
dev_item.bytes_used	156787277824
dev_item.io_align	4096
dev_item.io_width	4096
dev_item.sector_size	4096
dev_item.devid		1
dev_item.dev_group	0
dev_item.seek_speed	0
dev_item.bandwidth	0
dev_item.generation	0

superblock: bytenr=67108864, device=/dev/sda4
---------------------------------------------------------
csum			0xb69a531a [match]
bytenr			67108864
flags			0x1
magic			_BHRfS_M [match]
fsid			7cf95491-8ec6-48a2-b4c4-4b80650d169a
label			
generation		48438
root			326123520
sys_array_size		97
chunk_root_generation	44774
root_level		1
chunk_root		147456
chunk_root_level	0
log_root		0
log_root_transid	0
log_root_level		0
total_bytes		253975592960
bytes_used		130895491072
sectorsize		4096
nodesize		16384
leafsize		16384
stripesize		4096
root_dir		6
num_devices		1
compat_flags		0x0
compat_ro_flags		0x0
incompat_flags		0x61
csum_type		0
csum_size		4
cache_generation	48438
uuid_tree_generation	26
dev_item.uuid		158af8b2-d923-4981-a7ab-87fc20a4a8d6
dev_item.fsid		7cf95491-8ec6-48a2-b4c4-4b80650d169a [match]
dev_item.type		0
dev_item.total_bytes	253975592960
dev_item.bytes_used	156787277824
dev_item.io_align	4096
dev_item.io_width	4096
dev_item.sector_size	4096
dev_item.devid		1
dev_item.dev_group	0
dev_item.seek_speed	0
dev_item.bandwidth	0
dev_item.generation	0