Более подробная информация:sudo zdb hdd1
version=6
name='hdd1'
state=0
txg=658
pool_guid=1439975003825454098
hostid=225664713
hostname='truebsd_home'
vdev_tree
type='root'
id=0
guid=1439975003825454098
children[0]
type='disk'
id=0
guid=14349534965716555895
path='/dev/ad2s1'
devid='ad:5ND2GXNFs0'
whole_disk=0
metaslab_array=14
metaslab_shift=31
ashift=9
asize=250051821568
Uberblock
magic = 0000000000bab10c
version = 6
txg = 658
guid_sum = 15789509969542009993
timestamp = 1218567909 UTC = Tue Aug 12 22:05:09 2008
Dataset mos [META], ID 0, cr_txg 4, 87.0K, 18 objects
Dataset hdd1 [ZPL], ID 5, cr_txg 4, 18.0K, 4 objects
Traversing all blocks to verify checksums and verify nothing leaked ...
No leaks (block sum matches space maps exactly)
bp count: 29
bp logical: 326656 avg: 11264
bp physical: 40448 avg: 1394 compression: 8.08
bp allocated: 112128 avg: 3866 compression: 2.91
SPA allocated: 112128 used: 0.00%
capacity operations bandwidth ---- errors ----
description used avail read write read write read write cksum
hdd1 110K 232G 460 0 700K 0 0 0 0
/dev/ad2s1 110K 232G 460 0 700K 0 0 0 0