After deleting some mirrored vdevs, a lot of type:'hole' appeared. How to delete these?
Code:
# zdb -C -U /data/zfs/zpool.cache Pool_001
MOS Configuration:
version: 5000
name: 'Pool_001'
state: 0
txg: 1253538
pool_guid: 4567771322782338228
errata: 0
hostid: 2174760092
hostname: 'go.lan'
com.delphix:has_per_vdev_zaps
hole_array[0]: 1
hole_array[1]: 2
hole_array[2]: 3
hole_array[3]: 4
hole_array[4]: 5
hole_array[5]: 6
vdev_children: 8
vdev_tree:
type: 'root'
id: 0
guid: 4567771322782338228
create_txg: 4
children[0]:
type: 'mirror'
id: 0
guid: 16590320766429347817
metaslab_array: 257
metaslab_shift: 34
ashift: 12
asize: 9983645974528
is_log: 0
create_txg: 4
com.delphix:vdev_zap_top: 129
children[0]:
type: 'disk'
id: 0
guid: 17062582472775176548
path: '/dev/gptid/251966d2-d00d-11ea-b7a4-3cecef02c7f0'
phys_path: 'id1,enc@n300705b00c44fc50/type@0/slot@3/p2'
DTL: 2190
create_txg: 4
expansion_time: 1603442959
com.delphix:vdev_zap_leaf: 130
children[1]:
type: 'disk'
id: 1
guid: 13722000586268573808
path: '/dev/gptid/2521b6d4-d00d-11ea-b7a4-3cecef02c7f0'
phys_path: 'id1,enc@n300705b00c44fc50/type@0/slot@1/p2'
DTL: 2189
create_txg: 4
expansion_time: 1603442960
com.delphix:vdev_zap_leaf: 131
children[1]:
type: 'hole'
id: 1
guid: 0
whole_disk: 0
metaslab_array: 0
metaslab_shift: 0
ashift: 0
asize: 0
is_log: 0
is_hole: 1
children[2]:
type: 'hole'
id: 2
guid: 0
whole_disk: 0
metaslab_array: 0
metaslab_shift: 0
ashift: 0
asize: 0
is_log: 0
is_hole: 1
children[3]:
type: 'hole'
id: 3
guid: 0
whole_disk: 0
metaslab_array: 0
metaslab_shift: 0
ashift: 0
asize: 0
is_log: 0
is_hole: 1
children[4]:
type: 'hole'
id: 4
guid: 0
whole_disk: 0
metaslab_array: 0
metaslab_shift: 0
ashift: 0
asize: 0
is_log: 0
is_hole: 1
children[5]:
type: 'hole'
id: 5
guid: 0
whole_disk: 0
metaslab_array: 0
metaslab_shift: 0
ashift: 0
asize: 0
is_log: 0
is_hole: 1
children[6]:
type: 'hole'
id: 6
guid: 0
whole_disk: 0
metaslab_array: 0
metaslab_shift: 0
ashift: 0
asize: 0
is_log: 0
is_hole: 1
children[7]:
type: 'mirror'
id: 7
guid: 10742532601814866606
metaslab_array: 1281
metaslab_shift: 30
ashift: 12
asize: 118405464064
is_log: 1
create_txg: 1253536
com.delphix:vdev_zap_top: 1024
children[0]:
type: 'disk'
id: 0
guid: 8073233832869855550
path: '/dev/gptid/b2486705-150c-11eb-85b2-3cecef02c7f0'
create_txg: 1253536
com.delphix:vdev_zap_leaf: 1025
children[1]:
type: 'disk'
id: 1
guid: 7081239786574607579
path: '/dev/gptid/b24e7e5b-150c-11eb-85b2-3cecef02c7f0'
create_txg: 1253536
com.delphix:vdev_zap_leaf: 1026
features_for_read:
com.delphix:hole_birth
com.delphix:embedded_data
#
# zpool status
pool: Pool_001
state: ONLINE
scan: scrub canceled on Fri Oct 23 04:42:06 2020
config:
NAME STATE READ WRITE CKSUM
Pool_001 ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gptid/251966d2-d00d-11ea-b7a4-3cecef02c7f0 ONLINE 0 0 0
gptid/2521b6d4-d00d-11ea-b7a4-3cecef02c7f0 ONLINE 0 0 0
logs
mirror-7 ONLINE 0 0 0
gptid/b2486705-150c-11eb-85b2-3cecef02c7f0 ONLINE 0 0 0
gptid/b24e7e5b-150c-11eb-85b2-3cecef02c7f0 ONLINE 0 0 0
errors: No known data errors
