Experiment dynamic striping of ZFS
bash-3.00# cat /dev/urandom > /mypool/gary/samplefile &8950
bash-3.00# zpool iostat -v 3
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 718K 587M 0 8 129 101K
mirror 232K95.3M 0 3 9241.9K
/dev/lofi/1 - - 0 3 75242.8K
/dev/lofi/2 - - 0 3 31342.7K
mirror 485K 492M 0 5 4268.6K
/dev/lofi/3 - - 0 5 47269.7K
/dev/lofi/4 - - 0 5 23269.8K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 718K 587M 0 13 01.69M
mirror 232K95.3M 0 6 0 864K
/dev/lofi/1 - - 0 6 0 864K
/dev/lofi/2 - - 0 6 0 864K
mirror 485K 492M 0 6 0 864K
/dev/lofi/3 - - 0 6 0 864K
/dev/lofi/4 - - 0 7 0 987K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 718K 587M 0 14 01.83M
mirror 232K95.3M 0 6 0 893K
/dev/lofi/1 - - 0 7 0 936K
/dev/lofi/2 - - 0 6 0 893K
mirror 485K 492M 0 7 0 978K
/dev/lofi/3 - - 0 7 0 978K
/dev/lofi/4 - - 0 6 0 851K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 718K 587M 0 5 0 681K
mirror 232K95.3M 0 3 0 468K
/dev/lofi/1 - - 0 3 0 383K
/dev/lofi/2 - - 0 3 0 468K
mirror 485K 492M 0 1 0 213K
/dev/lofi/3 - - 0 1 0 213K
/dev/lofi/4 - - 0 2 0 340K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 58 680 759K
mirror 15.3M80.2M 0 23 68034.2K
/dev/lofi/1 - - 0 12 034.2K
/dev/lofi/2 - - 0 1242.5K34.2K
mirror 17.0M 475M 0 35 0 725K
/dev/lofi/3 - - 0 26 0 726K
/dev/lofi/4 - - 0 24 0 556K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 0 170 0
mirror 15.3M80.2M 0 0 170 0
/dev/lofi/1 - - 0 0 0 0
/dev/lofi/2 - - 0 021.3K 0
mirror 17.0M 475M 0 0 0 0
/dev/lofi/3 - - 0 0 0 0
/dev/lofi/4 - - 0 0 0 0
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 11 106.15K1.33M
mirror 15.3M80.2M 5 53.32K 680K
/dev/lofi/1 - - 0 5 0 680K
/dev/lofi/2 - - 0 563.8K 680K
mirror 17.0M 475M 5 52.82K 680K
/dev/lofi/3 - - 0 542.5K 680K
/dev/lofi/4 - - 0 5 0 680K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 8 01.08M
mirror 15.3M80.2M 0 4 0 553K
/dev/lofi/1 - - 0 4 0 553K
/dev/lofi/2 - - 0 4 0 553K
mirror 17.0M 475M 0 4 0 553K
/dev/lofi/3 - - 0 4 0 553K
/dev/lofi/4 - - 0 4 0 638K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 7 0 936K
mirror 15.3M80.2M 0 3 0 468K
/dev/lofi/1 - - 0 3 0 510K
/dev/lofi/2 - - 0 3 0 468K
mirror 17.0M 475M 0 3 0 468K
/dev/lofi/3 - - 0 3 0 468K
/dev/lofi/4 - - 0 2 0 383K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 7 01021K
mirror 15.3M80.2M 0 3 0 510K
/dev/lofi/1 - - 0 3 0 510K
/dev/lofi/2 - - 0 3 0 510K
mirror 17.0M 475M 0 3 0 510K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 3 0 510K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 7 01021K
mirror 15.3M80.2M 0 3 0 510K
/dev/lofi/1 - - 0 3 0 468K
/dev/lofi/2 - - 0 3 0 510K
mirror 17.0M 475M 0 3 0 510K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 4 0 595K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 7 01021K
mirror 15.3M80.2M 0 3 0 510K
/dev/lofi/1 - - 0 4 0 553K
/dev/lofi/2 - - 0 3 0 510K
mirror 17.0M 475M 0 3 0 510K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 4 0 553K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 7 01021K
mirror 15.3M80.2M 0 3 0 510K
/dev/lofi/1 - - 0 3 0 510K
/dev/lofi/2 - - 0 3 0 510K
mirror 17.0M 475M 0 3 0 510K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 4 0 553K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 3 0 425K
mirror 15.3M80.2M 0 1 0 255K
/dev/lofi/1 - - 0 1 0 213K
/dev/lofi/2 - - 0 2 0 298K
mirror 17.0M 475M 0 1 0 170K
/dev/lofi/3 - - 0 1 0 170K
/dev/lofi/4 - - 0 1 0 213K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 4 0 595K
mirror 15.3M80.2M 0 1 0 255K
/dev/lofi/1 - - 0 2 0 298K
/dev/lofi/2 - - 0 1 0 213K
mirror 17.0M 475M 0 2 0 340K
/dev/lofi/3 - - 0 2 0 340K
/dev/lofi/4 - - 0 2 0 298K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 8 01.08M
mirror 15.3M80.2M 0 4 0 595K
/dev/lofi/1 - - 0 4 0 553K
/dev/lofi/2 - - 0 4 0 638K
mirror 17.0M 475M 0 3 0 510K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 3 0 510K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 32.3M 555M 0 5 0 765K
mirror 15.3M80.2M 0 1 0 255K
/dev/lofi/1 - - 0 1 0 255K
/dev/lofi/2 - - 0 1 0 213K
mirror 17.0M 475M 0 3 0 510K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 3 0 510K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 91 0 489K
mirror 30.3M65.2M 0 36 062.6K
/dev/lofi/1 - - 0 24 062.6K
/dev/lofi/2 - - 0 24 062.6K
mirror 33.4M 459M 0 54 0 426K
/dev/lofi/3 - - 0 44 0 429K
/dev/lofi/4 - - 0 43 0 258K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 11 76.81K1021K
mirror 30.3M65.2M 5 32.99K 510K
/dev/lofi/1 - - 0 3 0 510K
/dev/lofi/2 - - 0 321.3K 510K
mirror 33.4M 459M 5 33.82K 510K
/dev/lofi/3 - - 0 321.3K 510K
/dev/lofi/4 - - 0 3 0 510K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 7 0 978K
mirror 30.3M65.2M 0 3 0 510K
/dev/lofi/1 - - 0 3 0 510K
/dev/lofi/2 - - 0 3 0 510K
mirror 33.4M 459M 0 3 0 468K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 3 0 468K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 6 0 893K
mirror 30.3M65.2M 0 3 0 468K
/dev/lofi/1 - - 0 3 0 468K
/dev/lofi/2 - - 0 3 0 468K
mirror 33.4M 459M 0 3 0 425K
/dev/lofi/3 - - 0 3 0 510K
/dev/lofi/4 - - 0 3 0 425K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 9 01.16M
mirror 30.3M65.2M 0 4 0 553K
/dev/lofi/1 - - 0 4 0 553K
/dev/lofi/2 - - 0 4 0 553K
mirror 33.4M 459M 0 4 0 638K
/dev/lofi/3 - - 0 4 0 595K
/dev/lofi/4 - - 0 4 0 638K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 10 01.33M
mirror 30.3M65.2M 0 5 0 680K
/dev/lofi/1 - - 0 5 0 680K
/dev/lofi/2 - - 0 5 0 680K
mirror 33.4M 459M 0 5 0 680K
/dev/lofi/3 - - 0 5 0 680K
/dev/lofi/4 - - 0 5 0 680K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 8 01.12M
mirror 30.3M65.2M 0 3 0 510K
/dev/lofi/1 - - 0 4 0 595K
/dev/lofi/2 - - 0 3 0 510K
mirror 33.4M 459M 0 4 0 638K
/dev/lofi/3 - - 0 4 0 595K
/dev/lofi/4 - - 0 4 0 638K
---------------------------------------------
capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 14 01.79M
mirror 30.3M65.2M 0 6 0 893K
/dev/lofi/1 - - 0 7 0 936K
/dev/lofi/2 - - 0 6 0 893K
mirror 33.4M 459M 0 7 0 936K
/dev/lofi/3 - - 0 7 0 978K
/dev/lofi/4 - - 0 7 0 936K
---------------------------------------------
q capacity operations bandwidth
pool usedavail readwrite readwrite
---------------------------------------------
mypool 63.7M 524M 0 13 01.66M
mirror 30.3M65.2M 0 6 0 808K
/dev/lofi/1 - - 0 6 0 850K
/dev/lofi/2 - - 0 6 0 808K
mirror 33.4M 459M 0 6 0 893K
/dev/lofi/3 - - 0 6 0 850K
/dev/lofi/4 - - 0 6 0 893K
---------------------------------------------
^C
bash-3.00# ls
samplefileyxf.file
bash-3.00# ls
samplefileyxf.file
bash-3.00# df -h -F zfs
Filesystem SizeUsed Avail Use% Mounted on
mypool 210M 29K210M 1% /mypool
mypool/backup 210M 25K210M 1% /mypool/backup
mypool/vincent 200M156K200M 1% /mypool/vincent
mypool/gary 555M346M210M63% /mypool/gary
bash-3.00# fg
cat /dev/urandom >/mypool/gary/samplefile
^C
bash-3.00# df -h -F zfs
Filesystem SizeUsed Avail Use% Mounted on
mypool 1.1M 29K 1012K 3% /mypool
mypool/backup 1.1M 25K 1012K 3% /mypool/backup
mypool/vincent 1.2M156K 1012K14% /mypool/vincent
mypool/gary 555M554M 1012K 100% /mypool/gary
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