root@galilei64-pve2-dev:~# ./mhbs.sh --destroy-my-data --tune-kernel --verbose sdc
DO_WRITE=1
TUNE_KERNEL=1
HDD=sdc
HDD_DEV=/dev/sdc
HDD_P1=/dev/sdc1
IS_DRBD=0
IS_SSD=1
IS_RAID=0
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Device Model: Samsung SSD 850 PRO 512GB
Firmware Version: EXM02B6Q
User Capacity: 512,110,190,592 bytes [512 GB]
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
model name : Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz
12
6
Linux galilei64-pve2-dev 3.10.0-5-pve #1 SMP Wed Oct 15 08:03:00 CEST 2014 x86_64 GNU/Linux
[ 0.000000] Memory: 998540k/1048576k available (6299k kernel code, 396k absent, 49640k reserved, 4166k data, 1592k init)
1000+0 records in
1000+0 records out
33554432000 bytes (34 GB) copied, 12.2343 s, 2.7 GB/s
00:11.4 SATA controller: Intel Corporation Wellsburg sSATA Controller [AHCI mode] (rev 05)
00:1f.2 SATA controller: Intel Corporation Wellsburg 6-Port SATA Controller [AHCI mode] (rev 05)
01:00.0 RAID bus controller: 3ware Inc 9750 SAS2/SATA-II RAID PCIe (rev 05)
[ 2.295344] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 2.296342] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 2.296367] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 2.296393] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 2.297302] ata1.00: supports DRM functions and may not be fully accessible
[ 2.297328] ata1.00: ATA-9: Samsung SSD 850 PRO 1TB, EXM02B6Q, max UDMA/133
[ 2.297331] ata1.00: 2000409264 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[ 2.297540] ata1.00: supports DRM functions and may not be fully accessible
[ 2.297609] ata1.00: configured for UDMA/133
[ 2.298251] ata2.00: supports DRM functions and may not be fully accessible
[ 2.298274] ata3.00: supports DRM functions and may not be fully accessible
[ 2.298281] ata4.00: supports DRM functions and may not be fully accessible
[ 2.298298] ata2.00: ATA-9: Samsung SSD 850 PRO 512GB, EXM02B6Q, max UDMA/133
[ 2.298301] ata2.00: 1000215216 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[ 2.298310] ata3.00: ATA-9: Samsung SSD 850 PRO 512GB, EXM02B6Q, max UDMA/133
[ 2.298313] ata3.00: 1000215216 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[ 2.298320] ata4.00: ATA-9: Samsung SSD 850 PRO 512GB, EXM02B6Q, max UDMA/133
[ 2.298324] ata4.00: 1000215216 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
[ 2.298541] ata2.00: supports DRM functions and may not be fully accessible
[ 2.298573] ata4.00: supports DRM functions and may not be fully accessible
[ 2.298611] ata3.00: supports DRM functions and may not be fully accessible
[ 2.298623] ata2.00: configured for UDMA/133
[ 2.298652] ata4.00: configured for UDMA/133
[ 2.298688] ata3.00: configured for UDMA/133
256
FOUND NON-ROTIONAL DISK (SSD)
TUNING KERNEL...
PERFORMING SECURE ERASE OF /dev/sdc...
security_password="secret"
/dev/sdc:
Issuing SECURITY_SET_PASS command, password="secret", user=user, mode=high
security_password="secret"
/dev/sdc:
Issuing SECURITY_ERASE command, password="secret", user=user
real 0m3.876s
user 0m0.001s
sys 0m0.000s
[noop] deadline cfq
31
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
file1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
2.0.8
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/131.4M /s] [0 /33.7K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=7196
write: io=7658.6MB, bw=130704KB/s, iops=32676 , runt= 60001msec
clat (usec): min=27 , max=1839 , avg=30.15, stdev= 3.35
lat (usec): min=27 , max=1840 , avg=30.22, stdev= 3.35
clat percentiles (usec):
| 1.00th=[ 28], 5.00th=[ 28], 10.00th=[ 28], 20.00th=[ 29],
| 30.00th=[ 29], 40.00th=[ 29], 50.00th=[ 29], 60.00th=[ 29],
| 70.00th=[ 30], 80.00th=[ 30], 90.00th=[ 35], 95.00th=[ 38],
| 99.00th=[ 42], 99.50th=[ 43], 99.90th=[ 48], 99.95th=[ 50],
| 99.99th=[ 53]
bw (KB/s) : min=117952, max=137176, per=99.98%, avg=130684.37, stdev=3377.02
lat (usec) : 50=99.95%, 100=0.05%
lat (msec) : 2=0.01%
cpu : usr=6.33%, sys=13.54%, ctx=1960631, majf=0, minf=101
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=1960593/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=7658.6MB, aggrb=130704KB/s, minb=130704KB/s, maxb=130704KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
sdc: ios=83/1958119, merge=0/0, ticks=3/50774, in_queue=50553, util=84.26%
file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
2.0.8
Starting 1 process
Jobs: 1 (f=1): [w] [100.0% done] [0K/334.1M /s] [0 /85.8K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=7263
write: io=20075MB, bw=342606KB/s, iops=85651 , runt= 60001msec
slat (usec): min=1 , max=299 , avg= 1.47, stdev= 0.60
clat (usec): min=71 , max=2132 , avg=371.59, stdev= 6.67
lat (usec): min=74 , max=2135 , avg=373.14, stdev= 6.66
clat percentiles (usec):
| 1.00th=[ 370], 5.00th=[ 370], 10.00th=[ 370], 20.00th=[ 370],
| 30.00th=[ 370], 40.00th=[ 370], 50.00th=[ 370], 60.00th=[ 374],
| 70.00th=[ 374], 80.00th=[ 374], 90.00th=[ 374], 95.00th=[ 374],
| 99.00th=[ 374], 99.50th=[ 378], 99.90th=[ 390], 99.95th=[ 402],
| 99.99th=[ 652]
bw (KB/s) : min=338920, max=342920, per=100.00%, avg=342612.84, stdev=368.53
lat (usec) : 100=0.01%, 250=0.01%, 500=99.96%, 750=0.03%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%
cpu : usr=19.17%, sys=19.57%, ctx=5133423, majf=0, minf=351
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=5139170/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=20075MB, aggrb=342605KB/s, minb=342605KB/s, maxb=342605KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
sdc: ios=83/5132539, merge=0/0, ticks=3/1885497, in_queue=1885165, util=99.88%
file1: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
2.0.8
Starting 1 process
Jobs: 1 (f=1): [R] [100.0% done] [185.5M/0K /s] [47.4K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=7329
read : io=11042MB, bw=188447KB/s, iops=47111 , runt= 60001msec
clat (usec): min=20 , max=1912 , avg=20.87, stdev= 1.39
lat (usec): min=20 , max=1912 , avg=20.91, stdev= 1.38
clat percentiles (usec):
| 1.00th=[ 20], 5.00th=[ 20], 10.00th=[ 20], 20.00th=[ 20],
| 30.00th=[ 21], 40.00th=[ 21], 50.00th=[ 21], 60.00th=[ 21],
| 70.00th=[ 21], 80.00th=[ 21], 90.00th=[ 21], 95.00th=[ 21],
| 99.00th=[ 23], 99.50th=[ 24], 99.90th=[ 26], 99.95th=[ 29],
| 99.99th=[ 33]
bw (KB/s) : min=167064, max=190176, per=100.00%, avg=188449.14, stdev=2375.69
lat (usec) : 50=100.00%, 100=0.01%, 250=0.01%, 500=0.01%
lat (msec) : 2=0.01%
cpu : usr=7.56%, sys=9.90%, ctx=2826800, majf=0, minf=92
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=2826754/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=11042MB, aggrb=188447KB/s, minb=188447KB/s, maxb=188447KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
sdc: ios=2824038/0, merge=0/0, ticks=44314/0, in_queue=44091, util=73.49%
file1: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
2.0.8
Starting 1 process
Jobs: 1 (f=1): [r] [100.0% done] [384.3M/0K /s] [98.4K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=7380
read : io=23045MB, bw=393294KB/s, iops=98323 , runt= 60001msec
slat (usec): min=1 , max=327 , avg= 1.54, stdev= 0.80
clat (usec): min=72 , max=2182 , avg=323.34, stdev=40.24
lat (usec): min=88 , max=2187 , avg=324.99, stdev=40.23
clat percentiles (usec):
| 1.00th=[ 243], 5.00th=[ 274], 10.00th=[ 282], 20.00th=[ 294],
| 30.00th=[ 302], 40.00th=[ 314], 50.00th=[ 322], 60.00th=[ 326],
| 70.00th=[ 334], 80.00th=[ 346], 90.00th=[ 374], 95.00th=[ 394],
| 99.00th=[ 466], 99.50th=[ 498], 99.90th=[ 556], 99.95th=[ 580],
| 99.99th=[ 628]
bw (KB/s) : min=390856, max=393408, per=100.00%, avg=393302.99, stdev=232.03
lat (usec) : 100=0.01%, 250=1.33%, 500=98.19%, 750=0.48%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%
cpu : usr=22.42%, sys=24.70%, ctx=5842013, majf=0, minf=383
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
issued : total=r=5899510/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=23045MB, aggrb=393294KB/s, minb=393294KB/s, maxb=393294KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
sdc: ios=5891033/0, merge=0/0, ticks=1878847/0, in_queue=1878911, util=99.85%
--2015-04-13 17:15:54-- http://www.meebey.net/research/seeker_baryluk.c
Resolving proxy.lan.gsd-software.net (proxy.lan.gsd-software.net)... 2001:6f8:1cd9:81:4fc:57ff:fed3:8eec, 192.168.8.114
Connecting to proxy.lan.gsd-software.net (proxy.lan.gsd-software.net)|2001:6f8:1cd9:81:4fc:57ff:fed3:8eec|:8080... failed: Connection refused.
Connecting to proxy.lan.gsd-software.net (proxy.lan.gsd-software.net)|192.168.8.114|:8080... connected.
Proxy request sent, awaiting response... 200 OK
Length: 4789 (4.7K) [text/x-csrc]
Saving to: `seeker_baryluk.c.1'
100%[==================================================================================================================================================================>] 4,789 --.-K/s in 0s
2015-04-13 17:15:54 (53.2 MB/s) - `seeker_baryluk.c.1' saved [4789/4789]
Threads: 01 Results: 29098 seeks/second, 0.034 ms random access time (265178 < offsets < 512109931852)
Threads: 02 Results: 42678 seeks/second, 0.023 ms random access time (134258 < offsets < 512109816194)
Threads: 04 Results: 67410 seeks/second, 0.015 ms random access time (3100 < offsets < 512109827879)
Threads: 08 Results: 80766 seeks/second, 0.012 ms random access time (82033 < offsets < 512110006731)
Threads: 16 Results: 90187 seeks/second, 0.011 ms random access time (26470 < offsets < 512109795447)
Threads: 32 Results: 90111 seeks/second, 0.011 ms random access time (260886 < offsets < 512109769454)
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 30.5711 s, 549 MB/s
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 31.752 s, 528 MB/s
mke2fs 1.42.5 (29-Jul-2012)
Discarding device blocks: done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
3907584 inodes, 15624704 blocks
781235 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
477 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
Using uid:0, gid:0.
Writing intelligently...done
Rewriting...done
Reading intelligently...done
start 'em...done...done...done...done...done...
Create files in sequential order...done.
Stat files in sequential order...done.
Delete files in sequential order...done.
Create files in random order...done.
Stat files in random order...done.
Delete files in random order...done.
Version 1.96 ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
galilei64-pve2- 47G 497780 65 251166 24 533737 24 7377 102
Latency 120ms 76969us 1301us 1819us
Version 1.96 ------Sequential Create------ --------Random Create--------
galilei64-pve2-dev -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
128:4096:4096 61130 83 11155 10 66344 64 65260 87 11767 10 56050 57
Latency 90936us 2002us 110ms 135ms 1971us 110ms
1.96,1.96,galilei64-pve2-dev,1,1428930766,47G,,,,497780,65,251166,24,,,533737,24,7377,102,128,4096,4096,,,61130,83,11155,10,66344,64,65260,87,11767,10,56050,57,,120ms,76969us,,1301us,1819us,90936us,2002us,110ms,135ms,1971us,110ms
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
file1: (g=0): rw=write, bs=1M-1M/1M-1M, ioengine=sync, iodepth=1
2.0.8
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/468.0M /s] [0 /468 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=8151
write: io=488386MB, bw=479569KB/s, iops=468 , runt=1042827msec
clat (usec): min=1994 , max=5102 , avg=2102.18, stdev=41.40
lat (usec): min=2005 , max=5136 , avg=2133.51, stdev=42.03
clat percentiles (usec):
| 1.00th=[ 2024], 5.00th=[ 2064], 10.00th=[ 2064], 20.00th=[ 2064],
| 30.00th=[ 2096], 40.00th=[ 2096], 50.00th=[ 2096], 60.00th=[ 2096],
| 70.00th=[ 2128], 80.00th=[ 2128], 90.00th=[ 2128], 95.00th=[ 2160],
| 99.00th=[ 2224], 99.50th=[ 2288], 99.90th=[ 2512], 99.95th=[ 2576],
| 99.99th=[ 2736]
bw (KB/s) : min=475136, max=495616, per=100.00%, avg=480024.63, stdev=2757.26
lat (msec) : 2=0.01%, 4=100.00%, 10=0.01%
cpu : usr=1.75%, sys=3.50%, ctx=489259, majf=0, minf=6387
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=488386/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=488386MB, aggrb=479568KB/s, minb=479568KB/s, maxb=479568KB/s, mint=1042827msec, maxt=1042827msec
Disk stats (read/write):
sdc: ios=83/976648, merge=0/0, ticks=3/1505730, in_queue=1503971, util=96.04%
file1: (g=0): rw=write, bs=1M-1M/1M-1M, ioengine=sync, iodepth=1
2.0.8
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/458.0M /s] [0 /458 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=9008
write: io=488386MB, bw=470037KB/s, iops=459 , runt=1063975msec
clat (usec): min=2018 , max=3901 , avg=2145.61, stdev=43.54
lat (usec): min=2041 , max=3933 , avg=2176.80, stdev=43.97
clat percentiles (usec):
| 1.00th=[ 2096], 5.00th=[ 2096], 10.00th=[ 2096], 20.00th=[ 2128],
| 30.00th=[ 2128], 40.00th=[ 2128], 50.00th=[ 2160], 60.00th=[ 2160],
| 70.00th=[ 2160], 80.00th=[ 2160], 90.00th=[ 2192], 95.00th=[ 2192],
| 99.00th=[ 2288], 99.50th=[ 2352], 99.90th=[ 2576], 99.95th=[ 2672],
| 99.99th=[ 2832]
bw (KB/s) : min=466011, max=490538, per=100.00%, avg=470470.79, stdev=2831.20
lat (msec) : 4=100.00%
cpu : usr=1.70%, sys=3.68%, ctx=489165, majf=0, minf=1617
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=488386/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=488386MB, aggrb=470036KB/s, minb=470036KB/s, maxb=470036KB/s, mint=1063975msec, maxt=1063975msec
Disk stats (read/write):
sdc: ios=83/976735, merge=0/0, ticks=4/1549500, in_queue=1547761, util=96.22%
file1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
2.0.8
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/128.2M /s] [0 /33.3K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=9885
write: io=7654.4MB, bw=130635KB/s, iops=32658 , runt= 60000msec
clat (usec): min=27 , max=1811 , avg=30.19, stdev= 3.35
lat (usec): min=27 , max=1812 , avg=30.26, stdev= 3.35
clat percentiles (usec):
| 1.00th=[ 28], 5.00th=[ 28], 10.00th=[ 28], 20.00th=[ 29],
| 30.00th=[ 29], 40.00th=[ 29], 50.00th=[ 29], 60.00th=[ 29],
| 70.00th=[ 30], 80.00th=[ 30], 90.00th=[ 35], 95.00th=[ 38],
| 99.00th=[ 42], 99.50th=[ 43], 99.90th=[ 48], 99.95th=[ 50],
| 99.99th=[ 55]
bw (KB/s) : min=116440, max=135264, per=99.99%, avg=130625.48, stdev=3106.74
lat (usec) : 50=99.95%, 100=0.05%
lat (msec) : 2=0.01%
cpu : usr=6.12%, sys=13.73%, ctx=1959548, majf=0, minf=101
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=1959524/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=7654.4MB, aggrb=130634KB/s, minb=130634KB/s, maxb=130634KB/s, mint=60000msec, maxt=60000msec
Disk stats (read/write):
sdc: ios=83/1957108, merge=0/0, ticks=4/50781, in_queue=50549, util=84.25%
file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
2.0.8
Starting 1 process
Jobs: 1 (f=1): [w] [100.0% done] [0K/133.2M /s] [0 /34.9K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=9959
write: io=19242MB, bw=328386KB/s, iops=82096 , runt= 60002msec
slat (usec): min=1 , max=45 , avg= 1.91, stdev= 0.94
clat (usec): min=163 , max=8402 , avg=387.17, stdev=215.69
lat (usec): min=165 , max=8406 , avg=389.16, stdev=215.79
clat percentiles (usec):
| 1.00th=[ 374], 5.00th=[ 378], 10.00th=[ 378], 20.00th=[ 378],
| 30.00th=[ 378], 40.00th=[ 378], 50.00th=[ 378], 60.00th=[ 378],
| 70.00th=[ 378], 80.00th=[ 378], 90.00th=[ 382], 95.00th=[ 386],
| 99.00th=[ 394], 99.50th=[ 398], 99.90th=[ 5920], 99.95th=[ 6304],
| 99.99th=[ 6880]
bw (KB/s) : min=54824, max=337480, per=100.00%, avg=328394.73, stdev=33250.55
lat (usec) : 250=0.01%, 500=99.74%, 750=0.05%, 1000=0.01%
lat (msec) : 2=0.03%, 4=0.04%, 10=0.13%
cpu : usr=25.39%, sys=29.47%, ctx=4862285, majf=0, minf=357
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
issued : total=r=0/w=4925951/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=19242MB, aggrb=328385KB/s, minb=328385KB/s, maxb=328385KB/s, mint=60002msec, maxt=60002msec
Disk stats (read/write):
sdc: ios=83/4920716, merge=0/0, ticks=2/1882636, in_queue=1881863, util=99.83%
file1: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
2.0.8
Starting 1 process
Jobs: 1 (f=1): [R] [100.0% done] [183.9M/0K /s] [47.6K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=10030
read : io=10997MB, bw=187689KB/s, iops=46922 , runt= 60000msec
clat (usec): min=20 , max=1888 , avg=20.92, stdev= 1.37
lat (usec): min=20 , max=1888 , avg=20.97, stdev= 1.37
clat percentiles (usec):
| 1.00th=[ 20], 5.00th=[ 20], 10.00th=[ 20], 20.00th=[ 21],
| 30.00th=[ 21], 40.00th=[ 21], 50.00th=[ 21], 60.00th=[ 21],
| 70.00th=[ 21], 80.00th=[ 21], 90.00th=[ 21], 95.00th=[ 21],
| 99.00th=[ 23], 99.50th=[ 24], 99.90th=[ 25], 99.95th=[ 26],
| 99.99th=[ 32]
bw (KB/s) : min=166096, max=188824, per=100.00%, avg=187689.48, stdev=2366.37
lat (usec) : 50=100.00%, 100=0.01%, 250=0.01%, 750=0.01%
lat (msec) : 2=0.01%
cpu : usr=9.98%, sys=7.50%, ctx=2815370, majf=0, minf=103
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued : total=r=2815334/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=10997MB, aggrb=187688KB/s, minb=187688KB/s, maxb=187688KB/s, mint=60000msec, maxt=60000msec
Disk stats (read/write):
sdc: ios=2812625/0, merge=0/0, ticks=38416/0, in_queue=38223, util=63.71%
file1: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
2.0.8
Starting 1 process
Jobs: 1 (f=1): [r] [100.0% done] [384.5M/0K /s] [98.5K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=10081
read : io=23046MB, bw=393309KB/s, iops=98327 , runt= 60001msec
slat (usec): min=1 , max=330 , avg= 1.53, stdev= 0.76
clat (usec): min=71 , max=2220 , avg=323.35, stdev=39.81
lat (usec): min=89 , max=2223 , avg=324.97, stdev=39.81
clat percentiles (usec):
| 1.00th=[ 253], 5.00th=[ 274], 10.00th=[ 282], 20.00th=[ 294],
| 30.00th=[ 302], 40.00th=[ 314], 50.00th=[ 314], 60.00th=[ 326],
| 70.00th=[ 334], 80.00th=[ 354], 90.00th=[ 374], 95.00th=[ 394],
| 99.00th=[ 454], 99.50th=[ 486], 99.90th=[ 540], 99.95th=[ 564],
| 99.99th=[ 620]
bw (KB/s) : min=389984, max=393424, per=100.00%, avg=393316.17, stdev=330.51
lat (usec) : 100=0.01%, 250=0.84%, 500=98.85%, 750=0.31%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%
cpu : usr=22.26%, sys=24.24%, ctx=5860624, majf=0, minf=383
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
issued : total=r=5899728/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=23046MB, aggrb=393308KB/s, minb=393308KB/s, maxb=393308KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
sdc: ios=5892953/0, merge=0/0, ticks=1879155/0, in_queue=1879351, util=99.88%
Threads: 01 Results: 10336 seeks/second, 0.097 ms random access time (331473 < offsets < 512109284167)
Threads: 02 Results: 18359 seeks/second, 0.054 ms random access time (26470 < offsets < 512109778277)
Threads: 04 Results: 33507 seeks/second, 0.030 ms random access time (2128105 < offsets < 512109920167)
Threads: 08 Results: 61016 seeks/second, 0.016 ms random access time (49601 < offsets < 512110102835)
Threads: 16 Results: 89140 seeks/second, 0.011 ms random access time (145943 < offsets < 512109989800)
Threads: 32 Results: 90083 seeks/second, 0.011 ms random access time (281871 < offsets < 512110039402)
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 30.5937 s, 548 MB/s
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 98.4519 s, 170 MB/s
Information: You may need to update /etc/fstab.
Information: You may need to update /etc/fstab.
mke2fs 1.42.5 (29-Jul-2012)
Discarding device blocks: done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
3907584 inodes, 15624704 blocks
781235 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
477 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
Using uid:0, gid:0.
Writing intelligently...done
Rewriting...done
Reading intelligently...done
start 'em...done...done...done...done...done...
Create files in sequential order...done.
Stat files in sequential order...done.
Delete files in sequential order...done.
Create files in random order...done.
Stat files in random order...done.
Delete files in random order...done.
Version 1.96 ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
galilei64-pve2- 47G 340670 48 238667 27 534232 43 5911 83
Latency 643ms 108ms 797us 2063us
Version 1.96 ------Sequential Create------ --------Random Create--------
galilei64-pve2-dev -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
128:4096:4096 62086 82 11166 9 66080 63 63394 84 11293 10 56787 57
Latency 91529us 1996us 111ms 167ms 1312us 121ms
1.96,1.96,galilei64-pve2-dev,1,1428931105,47G,,,,340670,48,238667,27,,,534232,43,5911,83,128,4096,4096,,,62086,82,11166,9,66080,63,63394,84,11293,10,56787,57,,643ms,108ms,,797us,2063us,91529us,1996us,111ms,167ms,1312us,121ms
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
FOUND NON-ROTIONAL DISK (SSD)
PERFORMING SECURE ERASE OF /dev/sdc...
security_password="secret"
/dev/sdc:
Issuing SECURITY_SET_PASS command, password="secret", user=user, mode=high
security_password="secret"
/dev/sdc:
Issuing SECURITY_ERASE command, password="secret", user=user
real 0m4.275s
user 0m0.001s
sys 0m0.000s
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
root@galilei64-pve2-dev:~#
root@galilei64-pve2-dev:~# smartctl -a /dev/sdc
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.10.0-5-pve] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Device Model: Samsung SSD 850 PRO 512GB
Serial Number: S2BENWAG300116R
LU WWN Device Id: 5 002538 8700b56f2
Firmware Version: EXM02B6Q
User Capacity: 512,110,190,592 bytes [512 GB]
Sector Size: 512 bytes logical/physical
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 4c
Local Time is: Tue Apr 14 12:40:31 2015 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection: Disabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: ( 0) seconds.
Offline data collection
capabilities: (0x53) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 255) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
9 Power_On_Hours 0x0032 099 099 000 Old_age Always - 138
12 Power_Cycle_Count 0x0032 099 099 000 Old_age Always - 9
177 Wear_Leveling_Count 0x0013 099 099 000 Pre-fail Always - 2
179 Used_Rsvd_Blk_Cnt_Tot 0x0013 100 100 010 Pre-fail Always - 0
181 Program_Fail_Cnt_Total 0x0032 100 100 010 Old_age Always - 0
182 Erase_Fail_Count_Total 0x0032 100 100 010 Old_age Always - 0
183 Runtime_Bad_Block 0x0013 100 100 010 Pre-fail Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0032 076 071 000 Old_age Always - 24
195 Hardware_ECC_Recovered 0x001a 200 200 000 Old_age Always - 0
199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0
235 Unknown_Attribute 0x0012 099 099 000 Old_age Always - 5
241 Total_LBAs_Written 0x0032 099 099 000 Old_age Always - 2584063256
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.
root@galilei64-pve2-dev:~#
Links:
harddisk performance
License:
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. 
Last edited Tue Apr 14 16:41:00 2015