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:~#