Lightweight and fast zfs creation
bash-3.00# zfs create mypool/yanxfbash-3.00# time for fs in {1..100};do zfs create mypool/yanxf/$fs;done
real 0m24.079s
user 0m0.297s
sys 0m0.618s
bash-3.00# zfs list
NAME USEDAVAILREFERMOUNTPOINT
mypool 304M 252M29.5K/mypool
mypool/backup 24.5K 252M24.5K/mypool/backup
mypool/backup@monday
0 -24.5K-
mypool/gary 182K 552M 158K/mypool/gary
mypool/gary@monday
24.5K - 158K-
mypool/vincent 178K 200M 156K/mypool/vincent
mypool/vincent@monday
22.5K - 156K-
mypool/yanxf 2.54M 252M 148K/mypool/yanxf
mypool/yanxf/1 24.5K 252M24.5K/mypool/yanxf/1
mypool/yanxf/10 24.5K 252M24.5K/mypool/yanxf/10
mypool/yanxf/100 24.5K 252M24.5K/mypool/yanxf/100
mypool/yanxf/11 24.5K 252M24.5K/mypool/yanxf/11
mypool/yanxf/12 24.5K 252M24.5K/mypool/yanxf/12
mypool/yanxf/13 24.5K 252M24.5K/mypool/yanxf/13
mypool/yanxf/14 24.5K 252M24.5K/mypool/yanxf/14
mypool/yanxf/15 24.5K 252M24.5K/mypool/yanxf/15
mypool/yanxf/16 24.5K 252M24.5K/mypool/yanxf/16
mypool/yanxf/17 24.5K 252M24.5K/mypool/yanxf/17
mypool/yanxf/18 24.5K 252M24.5K/mypool/yanxf/18
mypool/yanxf/19 24.5K 252M24.5K/mypool/yanxf/19
mypool/yanxf/2 24.5K 252M24.5K/mypool/yanxf/2
mypool/yanxf/20 24.5K 252M24.5K/mypool/yanxf/20
mypool/yanxf/21 24.5K 252M24.5K/mypool/yanxf/21
mypool/yanxf/22 24.5K 252M24.5K/mypool/yanxf/22
mypool/yanxf/23 24.5K 252M24.5K/mypool/yanxf/23
mypool/yanxf/24 24.5K 252M24.5K/mypool/yanxf/24
mypool/yanxf/25 24.5K 252M24.5K/mypool/yanxf/25
mypool/yanxf/26 24.5K 252M24.5K/mypool/yanxf/26
mypool/yanxf/27 24.5K 252M24.5K/mypool/yanxf/27
mypool/yanxf/28 24.5K 252M24.5K/mypool/yanxf/28
mypool/yanxf/29 24.5K 252M24.5K/mypool/yanxf/29
mypool/yanxf/3 24.5K 252M24.5K/mypool/yanxf/3
mypool/yanxf/30 24.5K 252M24.5K/mypool/yanxf/30
mypool/yanxf/31 24.5K 252M24.5K/mypool/yanxf/31
mypool/yanxf/32 24.5K 252M24.5K/mypool/yanxf/32
mypool/yanxf/33 24.5K 252M24.5K/mypool/yanxf/33
mypool/yanxf/34 24.5K 252M24.5K/mypool/yanxf/34
mypool/yanxf/35 24.5K 252M24.5K/mypool/yanxf/35
mypool/yanxf/36 24.5K 252M24.5K/mypool/yanxf/36
mypool/yanxf/37 24.5K 252M24.5K/mypool/yanxf/37
mypool/yanxf/38 24.5K 252M24.5K/mypool/yanxf/38
mypool/yanxf/39 24.5K 252M24.5K/mypool/yanxf/39
mypool/yanxf/4 24.5K 252M24.5K/mypool/yanxf/4
mypool/yanxf/40 24.5K 252M24.5K/mypool/yanxf/40
mypool/yanxf/41 24.5K 252M24.5K/mypool/yanxf/41
mypool/yanxf/42 24.5K 252M24.5K/mypool/yanxf/42
mypool/yanxf/43 24.5K 252M24.5K/mypool/yanxf/43
mypool/yanxf/44 24.5K 252M24.5K/mypool/yanxf/44
mypool/yanxf/45 24.5K 252M24.5K/mypool/yanxf/45
mypool/yanxf/46 24.5K 252M24.5K/mypool/yanxf/46
mypool/yanxf/47 24.5K 252M24.5K/mypool/yanxf/47
mypool/yanxf/48 24.5K 252M24.5K/mypool/yanxf/48
mypool/yanxf/49 24.5K 252M24.5K/mypool/yanxf/49
mypool/yanxf/5 24.5K 252M24.5K/mypool/yanxf/5
mypool/yanxf/50 24.5K 252M24.5K/mypool/yanxf/50
mypool/yanxf/51 24.5K 252M24.5K/mypool/yanxf/51
mypool/yanxf/52 24.5K 252M24.5K/mypool/yanxf/52
mypool/yanxf/53 24.5K 252M24.5K/mypool/yanxf/53
mypool/yanxf/54 24.5K 252M24.5K/mypool/yanxf/54
mypool/yanxf/55 24.5K 252M24.5K/mypool/yanxf/55
mypool/yanxf/56 24.5K 252M24.5K/mypool/yanxf/56
mypool/yanxf/57 24.5K 252M24.5K/mypool/yanxf/57
mypool/yanxf/58 24.5K 252M24.5K/mypool/yanxf/58
mypool/yanxf/59 24.5K 252M24.5K/mypool/yanxf/59
mypool/yanxf/6 24.5K 252M24.5K/mypool/yanxf/6
mypool/yanxf/60 24.5K 252M24.5K/mypool/yanxf/60
mypool/yanxf/61 24.5K 252M24.5K/mypool/yanxf/61
mypool/yanxf/62 24.5K 252M24.5K/mypool/yanxf/62
mypool/yanxf/63 24.5K 252M24.5K/mypool/yanxf/63
mypool/yanxf/64 24.5K 252M24.5K/mypool/yanxf/64
mypool/yanxf/65 24.5K 252M24.5K/mypool/yanxf/65
mypool/yanxf/66 24.5K 252M24.5K/mypool/yanxf/66
mypool/yanxf/67 24.5K 252M24.5K/mypool/yanxf/67
mypool/yanxf/68 24.5K 252M24.5K/mypool/yanxf/68
mypool/yanxf/69 24.5K 252M24.5K/mypool/yanxf/69
mypool/yanxf/7 24.5K 252M24.5K/mypool/yanxf/7
mypool/yanxf/70 24.5K 252M24.5K/mypool/yanxf/70
mypool/yanxf/71 24.5K 252M24.5K/mypool/yanxf/71
mypool/yanxf/72 24.5K 252M24.5K/mypool/yanxf/72
mypool/yanxf/73 24.5K 252M24.5K/mypool/yanxf/73
mypool/yanxf/74 24.5K 252M24.5K/mypool/yanxf/74
mypool/yanxf/75 24.5K 252M24.5K/mypool/yanxf/75
mypool/yanxf/76 24.5K 252M24.5K/mypool/yanxf/76
mypool/yanxf/77 24.5K 252M24.5K/mypool/yanxf/77
mypool/yanxf/78 24.5K 252M24.5K/mypool/yanxf/78
mypool/yanxf/79 24.5K 252M24.5K/mypool/yanxf/79
mypool/yanxf/8 24.5K 252M24.5K/mypool/yanxf/8
mypool/yanxf/80 24.5K 252M24.5K/mypool/yanxf/80
mypool/yanxf/81 24.5K 252M24.5K/mypool/yanxf/81
mypool/yanxf/82 24.5K 252M24.5K/mypool/yanxf/82
mypool/yanxf/83 24.5K 252M24.5K/mypool/yanxf/83
mypool/yanxf/84 24.5K 252M24.5K/mypool/yanxf/84
mypool/yanxf/85 24.5K 252M24.5K/mypool/yanxf/85
mypool/yanxf/86 24.5K 252M24.5K/mypool/yanxf/86
mypool/yanxf/87 24.5K 252M24.5K/mypool/yanxf/87
mypool/yanxf/88 24.5K 252M24.5K/mypool/yanxf/88
mypool/yanxf/89 24.5K 252M24.5K/mypool/yanxf/89
mypool/yanxf/9 24.5K 252M24.5K/mypool/yanxf/9
mypool/yanxf/90 24.5K 252M24.5K/mypool/yanxf/90
mypool/yanxf/91 24.5K 252M24.5K/mypool/yanxf/91
mypool/yanxf/92 24.5K 252M24.5K/mypool/yanxf/92
mypool/yanxf/93 24.5K 252M24.5K/mypool/yanxf/93
mypool/yanxf/94 24.5K 252M24.5K/mypool/yanxf/94
mypool/yanxf/95 24.5K 252M24.5K/mypool/yanxf/95
mypool/yanxf/96 24.5K 252M24.5K/mypool/yanxf/96
mypool/yanxf/97 24.5K 252M24.5K/mypool/yanxf/97
mypool/yanxf/98 24.5K 252M24.5K/mypool/yanxf/98
mypool/yanxf/99 24.5K 252M24.5K/mypool/yanxf/99
bash-3.00# for fs in {1..100};do zfs destroy mypool/yanxf/$fs;done
bash-3.00# zfs list
NAME USEDAVAILREFERMOUNTPOINT
mypool 301M 255M29.5K/mypool
mypool/backup 24.5K 255M24.5K/mypool/backup
mypool/backup@monday
0 -24.5K-
mypool/gary 182K 555M 158K/mypool/gary
mypool/gary@monday
24.5K - 158K-
mypool/vincent 178K 200M 156K/mypool/vincent
mypool/vincent@monday
22.5K - 156K-
mypool/yanxf 24.5K 255M24.5K/mypool/yanxf
bash-3.00# zpool list
NAME SIZE USED AVAIL CAPHEALTH ALTROOT
mypool 588M 935K 587M 0%ONLINE -
bash-3.00# zpool status
池：mypool
状态：ONLINE
清理：未请求
配置：
NAME STATE READ WRITE CKSUM
mypool ONLINE 0 0 0
mirror ONLINE 0 0 0
/dev/lofi/1ONLINE 0 0 0
/dev/lofi/2ONLINE 0 0 0
mirror ONLINE 0 0 0
/dev/lofi/3ONLINE 0 0 0
/dev/lofi/4ONLINE 0 0 0
错误：无已知的数据错误
本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/524/showart_296624.html
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