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@dlangille
Last active January 8, 2019 13:26
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distkinfo -t of slow ZFS scrubbing system
[dan@slocum:~] $ for disk in `sysctl -n kern.disks`; do sudo diskinfo -t $disk ; done
da9
512 # sectorsize
32017047552 # mediasize in bytes (30G)
62533296 # mediasize in sectors
0 # stripesize
0 # stripeoffset
3892 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA SanDisk SDSSDRC0 # Disk descr.
133887400683 # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 0.031413 sec = 0.126 msec
Half stroke: 250 iter in 0.045827 sec = 0.183 msec
Quarter stroke: 500 iter in 0.078825 sec = 0.158 msec
Short forward: 400 iter in 0.050981 sec = 0.127 msec
Short backward: 400 iter in 0.059913 sec = 0.150 msec
Seq outer: 2048 iter in 0.162790 sec = 0.079 msec
Seq inner: 2048 iter in 0.142131 sec = 0.069 msec
Transfer rates:
outside: 102400 kbytes in 0.249481 sec = 410452 kbytes/sec
middle: 102400 kbytes in 0.248432 sec = 412185 kbytes/sec
inside: 102400 kbytes in 0.247995 sec = 412912 kbytes/sec
da8
512 # sectorsize
32017047552 # mediasize in bytes (30G)
62533296 # mediasize in sectors
0 # stripesize
0 # stripeoffset
3892 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA SanDisk SDSSDRC0 # Disk descr.
134106400102 # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 0.031864 sec = 0.127 msec
Half stroke: 250 iter in 0.046071 sec = 0.184 msec
Quarter stroke: 500 iter in 0.078103 sec = 0.156 msec
Short forward: 400 iter in 0.049334 sec = 0.123 msec
Short backward: 400 iter in 0.057600 sec = 0.144 msec
Seq outer: 2048 iter in 0.163828 sec = 0.080 msec
Seq inner: 2048 iter in 0.143868 sec = 0.070 msec
Transfer rates:
outside: 102400 kbytes in 0.248176 sec = 412610 kbytes/sec
middle: 102400 kbytes in 0.248057 sec = 412808 kbytes/sec
inside: 102400 kbytes in 0.247964 sec = 412963 kbytes/sec
da7
512 # sectorsize
500107862016 # mediasize in bytes (466G)
976773168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
60801 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA Samsung SSD 850 # Disk descr.
S2RANX0J441094Z # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 0.010518 sec = 0.042 msec
Half stroke: 250 iter in 0.019028 sec = 0.076 msec
Quarter stroke: 500 iter in 0.021115 sec = 0.042 msec
Short forward: 400 iter in 0.017870 sec = 0.045 msec
Short backward: 400 iter in 0.014545 sec = 0.036 msec
Seq outer: 2048 iter in 0.061793 sec = 0.030 msec
Seq inner: 2048 iter in 0.058846 sec = 0.029 msec
Transfer rates:
outside: 102400 kbytes in 0.212975 sec = 480808 kbytes/sec
middle: 102400 kbytes in 0.210092 sec = 487406 kbytes/sec
inside: 102400 kbytes in 0.216415 sec = 473165 kbytes/sec
da6
512 # sectorsize
500107862016 # mediasize in bytes (466G)
976773168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
60801 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA Samsung SSD 850 # Disk descr.
S2RANX0J433600X # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 0.009265 sec = 0.037 msec
Half stroke: 250 iter in 0.020388 sec = 0.082 msec
Quarter stroke: 500 iter in 0.030160 sec = 0.060 msec
Short forward: 400 iter in 0.020623 sec = 0.052 msec
Short backward: 400 iter in 0.021690 sec = 0.054 msec
Seq outer: 2048 iter in 0.159834 sec = 0.078 msec
Seq inner: 2048 iter in 0.119174 sec = 0.058 msec
Transfer rates:
outside: 102400 kbytes in 0.461487 sec = 221891 kbytes/sec
middle: 102400 kbytes in 0.529733 sec = 193305 kbytes/sec
inside: 102400 kbytes in 0.588080 sec = 174126 kbytes/sec
da5
512 # sectorsize
5000981078016 # mediasize in bytes (4.5T)
9767541168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
608001 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA TOSHIBA MD04ACA5 # Disk descr.
653EK93XFS9A # Disk ident.
No # TRIM/UNMAP support
7200 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 6.143184 sec = 24.573 msec
Half stroke: 250 iter in 3.974651 sec = 15.899 msec
Quarter stroke: 500 iter in 7.405318 sec = 14.811 msec
Short forward: 400 iter in 7.575706 sec = 18.939 msec
Short backward: 400 iter in 6.129949 sec = 15.325 msec
Seq outer: 2048 iter in 0.139458 sec = 0.068 msec
Seq inner: 2048 iter in 1.423370 sec = 0.695 msec
Transfer rates:
outside: 102400 kbytes in 3.642998 sec = 28109 kbytes/sec
middle: 102400 kbytes in 3.381070 sec = 30286 kbytes/sec
inside: 102400 kbytes in 1.259135 sec = 81326 kbytes/sec
da4
512 # sectorsize
5000981078016 # mediasize in bytes (4.5T)
9767541168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
608001 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA TOSHIBA MD04ACA5 # Disk descr.
653BK12IFS9A # Disk ident.
No # TRIM/UNMAP support
7200 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 8.473764 sec = 33.895 msec
Half stroke: 250 iter in 5.238803 sec = 20.955 msec
Quarter stroke: 500 iter in 8.012426 sec = 16.025 msec
Short forward: 400 iter in 4.147902 sec = 10.370 msec
Short backward: 400 iter in 1.886953 sec = 4.717 msec
Seq outer: 2048 iter in 0.108706 sec = 0.053 msec
Seq inner: 2048 iter in 0.262580 sec = 0.128 msec
Transfer rates:
outside: 102400 kbytes in 0.539368 sec = 189852 kbytes/sec
middle: 102400 kbytes in 0.966280 sec = 105973 kbytes/sec
inside: 102400 kbytes in 1.353441 sec = 75659 kbytes/sec
da3
512 # sectorsize
5000981078016 # mediasize in bytes (4.5T)
9767541168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
608001 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA TOSHIBA MD04ACA5 # Disk descr.
652FK58FFS9A # Disk ident.
No # TRIM/UNMAP support
7200 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 5.747588 sec = 22.990 msec
Half stroke: 250 iter in 4.093714 sec = 16.375 msec
Quarter stroke: 500 iter in 5.927608 sec = 11.855 msec
Short forward: 400 iter in 2.369054 sec = 5.923 msec
Short backward: 400 iter in 1.644392 sec = 4.111 msec
Seq outer: 2048 iter in 0.115552 sec = 0.056 msec
Seq inner: 2048 iter in 0.213193 sec = 0.104 msec
Transfer rates:
outside: 102400 kbytes in 0.540295 sec = 189526 kbytes/sec
middle: 102400 kbytes in 0.611099 sec = 167567 kbytes/sec
inside: 102400 kbytes in 1.037321 sec = 98716 kbytes/sec
da2
512 # sectorsize
5000981078016 # mediasize in bytes (4.5T)
9767541168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
608001 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA TOSHIBA HDWE150 # Disk descr.
4725K6ECF57D # Disk ident.
No # TRIM/UNMAP support
7200 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 5.859200 sec = 23.437 msec
Half stroke: 250 iter in 3.892331 sec = 15.569 msec
Quarter stroke: 500 iter in 5.906985 sec = 11.814 msec
Short forward: 400 iter in 2.196713 sec = 5.492 msec
Short backward: 400 iter in 1.507636 sec = 3.769 msec
Seq outer: 2048 iter in 0.251826 sec = 0.123 msec
Seq inner: 2048 iter in 0.189235 sec = 0.092 msec
Transfer rates:
outside: 102400 kbytes in 0.534031 sec = 191749 kbytes/sec
middle: 102400 kbytes in 0.953679 sec = 107374 kbytes/sec
inside: 102400 kbytes in 0.994404 sec = 102976 kbytes/sec
da1
512 # sectorsize
5000981078016 # mediasize in bytes (4.5T)
9767541168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
608001 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA TOSHIBA HDWE150 # Disk descr.
4725K6DVF57D # Disk ident.
No # TRIM/UNMAP support
7200 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 5.209448 sec = 20.838 msec
Half stroke: 250 iter in 3.479956 sec = 13.920 msec
Quarter stroke: 500 iter in 5.777620 sec = 11.555 msec
Short forward: 400 iter in 1.766585 sec = 4.416 msec
Short backward: 400 iter in 1.766209 sec = 4.416 msec
Seq outer: 2048 iter in 0.124226 sec = 0.061 msec
Seq inner: 2048 iter in 0.498472 sec = 0.243 msec
Transfer rates:
outside: 102400 kbytes in 0.510729 sec = 200498 kbytes/sec
middle: 102400 kbytes in 0.592281 sec = 172891 kbytes/sec
inside: 102400 kbytes in 1.200858 sec = 85272 kbytes/sec
da0
512 # sectorsize
5000981078016 # mediasize in bytes (4.5T)
9767541168 # mediasize in sectors
4096 # stripesize
0 # stripeoffset
608001 # Cylinders according to firmware.
255 # Heads according to firmware.
63 # Sectors according to firmware.
ATA TOSHIBA MD04ACA5 # Disk descr.
653DK7WBFS9A # Disk ident.
No # TRIM/UNMAP support
7200 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 5.056106 sec = 20.224 msec
Half stroke: 250 iter in 3.888333 sec = 15.553 msec
Quarter stroke: 500 iter in 5.946685 sec = 11.893 msec
Short forward: 400 iter in 2.019097 sec = 5.048 msec
Short backward: 400 iter in 1.957285 sec = 4.893 msec
Seq outer: 2048 iter in 0.119935 sec = 0.059 msec
Seq inner: 2048 iter in 0.202637 sec = 0.099 msec
Transfer rates:
outside: 102400 kbytes in 0.770455 sec = 132908 kbytes/sec
middle: 102400 kbytes in 0.595451 sec = 171970 kbytes/sec
inside: 102400 kbytes in 1.319188 sec = 77624 kbytes/sec
ada1
512 # sectorsize
250059350016 # mediasize in bytes (233G)
488397168 # mediasize in sectors
0 # stripesize
0 # stripeoffset
484521 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
Samsung SSD 860 EVO 250GB # Disk descr.
S3YHNX0KB03468A # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 0.010705 sec = 0.043 msec
Half stroke: 250 iter in 0.015887 sec = 0.064 msec
Quarter stroke: 500 iter in 0.029781 sec = 0.060 msec
Short forward: 400 iter in 0.019856 sec = 0.050 msec
Short backward: 400 iter in 0.020684 sec = 0.052 msec
Seq outer: 2048 iter in 0.063099 sec = 0.031 msec
Seq inner: 2048 iter in 0.062926 sec = 0.031 msec
Transfer rates:
outside: 102400 kbytes in 0.391551 sec = 261524 kbytes/sec
middle: 102400 kbytes in 0.389953 sec = 262596 kbytes/sec
inside: 102400 kbytes in 0.389314 sec = 263027 kbytes/sec
ada0
512 # sectorsize
250059350016 # mediasize in bytes (233G)
488397168 # mediasize in sectors
0 # stripesize
0 # stripeoffset
484521 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
Samsung SSD 860 EVO 250GB # Disk descr.
S3YHNX0KB03577K # Disk ident.
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Not_Zoned # Zone Mode
Seek times:
Full stroke: 250 iter in 0.010361 sec = 0.041 msec
Half stroke: 250 iter in 0.017083 sec = 0.068 msec
Quarter stroke: 500 iter in 0.030987 sec = 0.062 msec
Short forward: 400 iter in 0.019589 sec = 0.049 msec
Short backward: 400 iter in 0.020565 sec = 0.051 msec
Seq outer: 2048 iter in 0.044138 sec = 0.022 msec
Seq inner: 2048 iter in 0.055813 sec = 0.027 msec
Transfer rates:
outside: 102400 kbytes in 0.388823 sec = 263359 kbytes/sec
middle: 102400 kbytes in 0.390804 sec = 262024 kbytes/sec
inside: 102400 kbytes in 0.390154 sec = 262460 kbytes/sec
[dan@slocum:~] $
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