Hi!
I plan to add special mirror to my PBS with 3x 1TB M.2
So this is way to do?
1. zpool add backups special mirror <device1_m.2> <device2_m2> <device3_m2>
2. zfs set special_small_blocks=8K backups
/# zdb -Lbbbs backups
I plan to add special mirror to my PBS with 3x 1TB M.2
So this is way to do?
1. zpool add backups special mirror <device1_m.2> <device2_m2> <device3_m2>
2. zfs set special_small_blocks=8K backups
/# zdb -Lbbbs backups
Code:
8.79T completed (3259MB/s) estimated time remaining: 306093hr 44min 07sec
bp count: 52620622
ganged count: 0
bp logical: 6870475302400 avg: 130566
bp physical: 6398673716224 avg: 121600 compression: 1.07
bp allocated: 9660833992704 avg: 183594 compression: 0.71
bp deduped: 0 ref>1: 0 deduplication: 1.00
Normal class: 9654074339328 used: 26.84%
Embedded log class 12288 used: 0.00%
additional, non-pointer bps of type 0: 141
number of (compressed) bytes: number of bps
25: 26 **************************
26: 0
27: 11 ***********
28: 3 ***
29: 0
30: 0
31: 1 *
32: 0
33: 0
34: 0
35: 0
36: 0
37: 0
38: 0
39: 4 ****
40: 0
41: 0
42: 0
43: 0
44: 1 *
45: 0
46: 0
47: 0
48: 0
49: 1 *
50: 0
51: 0
52: 0
53: 1 *
54: 0
55: 0
56: 0
57: 4 ****
58: 1 *
59: 0
60: 0
61: 0
62: 0
63: 0
64: 1 *
65: 0
66: 3 ***
67: 0
68: 0
69: 0
70: 0
71: 0
72: 1 *
73: 0
74: 1 *
75: 0
76: 1 *
77: 0
78: 0
79: 0
80: 0
81: 1 *
82: 0
83: 0
84: 2 **
85: 1 *
86: 1 *
87: 1 *
88: 0
89: 11 ***********
90: 0
91: 1 *
92: 0
93: 0
94: 0
95: 1 *
96: 2 **
97: 2 **
98: 1 *
99: 0
100: 0
101: 1 *
102: 1 *
103: 0
104: 6 ******
105: 3 ***
106: 5 *****
107: 2 **
108: 10 **********
109: 5 *****
110: 4 ****
111: 3 ***
112: 17 *****************
Dittoed blocks on same vdev: 2633201
Dittoed blocks in same metaslab: 6
Blocks LSIZE PSIZE ASIZE avg comp %Total Type
- - - - - - - unallocated
2 32K 8K 72K 36K 4.00 0.00 object directory
1 128K 4K 36K 36K 32.00 0.00 L1 object array
33 16.5K 16.5K 1.16M 36K 1.00 0.00 L0 object array
34 144K 20.5K 1.20M 36K 7.05 0.00 object array
1 16K 4K 36K 36K 4.00 0.00 packed nvlist
- - - - - - - packed nvlist size
- - - - - - - bpobj
- - - - - - - bpobj header
- - - - - - - SPA space map header
140 2.19M 560K 4.92M 36K 4.00 0.00 L1 SPA space map
2.38K 305M 71.1M 366M 153K 4.29 0.00 L0 SPA space map
2.52K 307M 71.6M 371M 147K 4.29 0.00 SPA space map
1 128K 128K 192K 192K 1.00 0.00 ZIL intent log
1 128K 4K 24K 24K 32.00 0.00 L5 DMU dnode
1 128K 4K 24K 24K 32.00 0.00 L4 DMU dnode
1 128K 4K 24K 24K 32.00 0.00 L3 DMU dnode
1 128K 8K 48K 48K 16.00 0.00 L2 DMU dnode
81 10.1M 3.59M 11.0M 139K 2.82 0.00 L1 DMU dnode
75.6K 1.18G 302M 1.78G 24.1K 4.00 0.02 L0 DMU dnode
75.7K 1.19G 306M 1.79G 24.2K 3.99 0.02 DMU dnode
2 8K 8K 60K 30K 1.00 0.00 DMU objset
- - - - - - - DSL directory
- - - - - - - DSL directory child map
- - - - - - - DSL dataset snap map
5 33.5K 8K 72K 14.4K 4.19 0.00 DSL props
- - - - - - - DSL dataset
- - - - - - - ZFS znode
- - - - - - - ZFS V0 ACL
2.25M 288G 9.00G 54.0G 24.0K 31.96 0.60 L1 ZFS plain file
47.7M 5.96T 5.81T 8.73T 187K 1.03 99.31 L0 ZFS plain file
49.9M 6.24T 5.82T 8.78T 180K 1.07 99.91 ZFS plain file
64.0K 8.00G 256M 1.50G 24.0K 32.00 0.02 L1 ZFS directory
129K 2.01G 772M 4.53G 36.0K 2.66 0.05 L0 ZFS directory
193K 10.0G 1.00G 6.03G 32.0K 9.97 0.07 ZFS directory
1 512 512 24K 24K 1.00 0.00 ZFS master node
- - - - - - - ZFS delete queue
- - - - - - - zvol object
- - - - - - - zvol prop
- - - - - - - other uint8[]
- - - - - - - other uint64[]
- - - - - - - other ZAP
- - - - - - - persistent error log
1 128K 8K 72K 72K 16.00 0.00 SPA history
- - - - - - - SPA history offsets
- - - - - - - Pool properties
- - - - - - - DSL permissions
- - - - - - - ZFS ACL
- - - - - - - ZFS SYSACL
- - - - - - - FUID table
- - - - - - - FUID table size
- - - - - - - DSL dataset next clones
- - - - - - - scan work queue
- - - - - - - ZFS user/group/project used
- - - - - - - ZFS user/group/project quota
- - - - - - - snapshot refcount tags
- - - - - - - DDT ZAP algorithm
- - - - - - - DDT statistics
- - - - - - - System attributes
- - - - - - - SA master node
1 1.50K 1.50K 24K 24K 1.00 0.00 SA attr registration
2 32K 8K 48K 24K 4.00 0.00 SA attr layouts
- - - - - - - scan translations
- - - - - - - deduplicated block
- - - - - - - DSL deadlist map
- - - - - - - DSL deadlist map hdr
- - - - - - - DSL dir clones
- - - - - - - bpobj subobj
- - - - - - - deferred free
- - - - - - - dedup ditto
16 210K 26K 324K 20.2K 8.06 0.00 other
1 128K 4K 24K 24K 32.00 0.00 L5 Total
1 128K 4K 24K 24K 32.00 0.00 L4 Total
1 128K 4K 24K 24K 32.00 0.00 L3 Total
1 128K 8K 48K 48K 16.00 0.00 L2 Total
2.31M 296G 9.25G 55.5G 24.0K 31.95 0.62 L1 Total
47.9M 5.96T 5.81T 8.73T 187K 1.03 99.38 L0 Total
50.2M 6.25T 5.82T 8.79T 179K 1.07 100.00 Total
Block Size Histogram
block psize lsize asize
size Count Size Cum. Count Size Cum. Count Size Cum.
512: 456 228K 228K 456 228K 228K 0 0 0
1K: 308 356K 584K 308 356K 584K 0 0 0
2K: 205 514K 1.07M 205 514K 1.07M 0 0 0
4K: 2.82M 11.3G 11.3G 789 4.52M 5.59M 0 0 0
8K: 186K 1.69G 13.0G 2.78K 33.3M 38.9M 384K 4.50G 4.50G
16K: 235K 5.04G 18.0G 211K 3.36G 3.40G 2.62M 62.8G 67.3G
32K: 468K 21.0G 39.0G 9.39K 419M 3.81G 359K 16.8G 84.1G
64K: 820K 71.2G 110G 16.2K 1.59G 5.40G 654K 61.5G 146G
128K: 45.7M 5.71T 5.82T 49.9M 6.24T 6.25T 46.2M 8.64T 8.79T
256K: 0 0 5.82T 0 0 6.25T 437 160M 8.79T
512K: 0 0 5.82T 0 0 6.25T 0 0 8.79T
1M: 0 0 5.82T 0 0 6.25T 0 0 8.79T
2M: 0 0 5.82T 0 0 6.25T 0 0 8.79T
4M: 0 0 5.82T 0 0 6.25T 0 0 8.79T
8M: 0 0 5.82T 0 0 6.25T 0 0 8.79T
16M: 0 0 5.82T 0 0 6.25T 0 0 8.79T
capacity operations bandwidth ---- errors ----
description used avail read write read write read write cksum
backups 8.78T 24.0T 856 0 3.41M 0 0 0 0
raidz2 8.78T 24.0T 856 0 3.41M 0 0 0 0
/dev/sda1 143 0 592K 0 0 0 0
/dev/sdb1 144 0 586K 0 0 0 0
/dev/sdc1 140 0 569K 0 0 0 0
/dev/sdd1 143 0 591K 0 0 0 0
/dev/sde1 143 0 585K 0 0 0 0
/dev/sdf1 140 0 570K 0 0 0 0