Manufacturer: Samsung
Type: SSD
Model: 840
Firmware: DXT06B0Q
Capacity: 120 GB
Spindle Speed: -
Interface: SATA 6 Gb/s
Cache: -
NCQ: Yes

CPU Model

grep name /proc/cpuinfo | uniq
model name  : Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz

Kernel

uname -a
Linux roesler 2.6.32-14-pve #1 SMP Tue Aug 21 08:24:37 CEST 2012 x86_64 GNU/Linux

Memory Performance

dd if=/dev/zero of=/dev/null bs=32M count=1000
33554432000 bytes (34 GB) copied, 4.80596 s, 7.0 GB/s

Disk Controller

lspci | grep AHCI
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 06)

Disk Status

egrep 'ata[0-9]\.|SATA link up' /var/log/dmesg
Nov  6 11:05:45 roesler kernel: ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Nov  6 11:05:45 roesler kernel: ata2.00: ATA-9: Samsung SSD 840 Series, DXT06B0Q, max UDMA/133
Nov  6 11:05:45 roesler kernel: ata2.00: 234441648 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
Nov  6 11:05:45 roesler kernel: ata2.00: configured for UDMA/133

HDD Performance

blockdev --getra /dev/sda
256
cat /sys/block/sda/queue/scheduler
[noop] deadline cfq
cat /sys/block/sda/device/queue_depth
31

HDD Performance (STOCK)

file1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
  write: io=5890MB, bw=100517KB/s, iops=25129, runt= 60000msec

file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
  write: io=8016MB, bw=136798KB/s, iops=34199, runt= 60001msec

file1: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1    
  read : io=6675MB, bw=113920KB/s, iops=28480, runt= 60001msec

file1: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
  read : io=19039MB, bw=324930KB/s, iops=81232, runt= 60001msec

Threads: 01 Results: 15153 seeks/second, 0.066 ms random access time (120510 < offsets < 120034090406)
Threads: 02 Results: 24570 seeks/second, 0.041 ms random access time (62714 < offsets < 120034011929)
Threads: 04 Results: 37545 seeks/second, 0.027 ms random access time (93456 < offsets < 120034076097)
Threads: 08 Results: 49238 seeks/second, 0.020 ms random access time (94071 < offsets < 120034017407)
Threads: 16 Results: 62711 seeks/second, 0.016 ms random access time (13750 < offsets < 120034088897)
Threads: 32 Results: 70340 seeks/second, 0.014 ms random access time (61149 < offsets < 120034091636)

dd if=/dev/sdd of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 46.1276 s, 364 MB/s
dd if=/dev/zero of=/dev/sdd bs=1M count=16000
16777216000 bytes (17 GB) copied, 86.8731 s, 193 MB/s

bonnie++ -f -n 128:4096:4096 -r 24000 -d /mnt -u root
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
roesler         47G           133098 30 105456 14           563364 27  1647 114
Latency                        1129ms     827ms              5480us    2441us
Version  1.96       ------Sequential Create------ --------Random Create--------
roesler             -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
      128:4096:4096 12144  64 202187  97 32620  63 17223  50 225955  97 28491  56
Latency               613ms     859us     200ms     707ms     349us     204ms

HDD Performance (WRITE ONCE)

file1: (g=0): rw=write, bs=1M-1M/1M-1M, ioengine=sync, iodepth=1
  write: io=114473MB, bw=136046KB/s, iops=132, runt=861625msec

file1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
  write: io=5793MB, bw=98863KB/s, iops=24715, runt= 60001msec

file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
  write: io=7997MB, bw=136487KB/s, iops=34121, runt= 60001msec

file1: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
  read : io=6687MB, bw=114119KB/s, iops=28529, runt= 60001msec

file1: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
  read : io=17807MB, bw=303904KB/s, iops=75975, runt= 60001msec

Threads: 01 Results: 7062 seeks/second, 0.142 ms random access time (20513 < offsets < 120033384952)
Threads: 02 Results: 13129 seeks/second, 0.076 ms random access time (332800 < offsets < 120033835915)
Threads: 04 Results: 22982 seeks/second, 0.044 ms random access time (119839 < offsets < 120034048820)
Threads: 08 Results: 35659 seeks/second, 0.028 ms random access time (68807 < offsets < 120033990409)
Threads: 16 Results: 48823 seeks/second, 0.020 ms random access time (40244 < offsets < 120034045410)
Threads: 32 Results: 63116 seeks/second, 0.016 ms random access time (73669 < offsets < 120034090406)

dd if=/dev/sdd of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 50.0919 s, 335 MB/s
dd if=/dev/zero of=/dev/sdd bs=1M count=16000
16777216000 bytes (17 GB) copied, 124.924 s, 134 MB/s

bonnie++ -f -n 128:4096:4096 -r 24000 -d /mnt -u root
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
roesler         47G           134405  27 103835  14           563119  27  1701 116
Latency                        1062ms     845ms              6861us    3444us
Version  1.96       ------Sequential Create------ --------Random Create--------
roesler             -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
      128:4096:4096 12739  62 204353  97 35680  58 18877  43 225042  97 31189  53
Latency              1214ms     798us     199ms     627ms     341us     199ms

mhbs.sh output

root@roesler:~# ./mhbs.sh --destroy-my-data --tune-kernel --verbose sdd
DO_WRITE=1
TUNE_KERNEL=1
HDD=sdd
HDD_DEV=/dev/sdd
HDD_P1=/dev/sdd1
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Device Model:     Samsung SSD 840 Series
Firmware Version: DXT06B0Q
User Capacity:    120,034,123,776 bytes
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
model name  : Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
12
6
Linux roesler 2.6.32-14-pve #1 SMP Tue Aug 21 08:24:37 CEST 2012 x86_64 GNU/Linux
Memory: 32896804k/35651584k available (5312k kernel code, 2125236k absent, 629544k reserved, 7021k data, 1316k init)
1000+0 records in
1000+0 records out
33554432000 bytes (34 GB) copied, 4.80596 s, 7.0 GB/s
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 06)
ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
ata1.00: ATA-9: SAMSUNG SSD 830 Series, CXM03B1Q, max UDMA/133
ata1.00: 250069680 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
ata1.00: configured for UDMA/133
ata6.00: ATA-8: WDC WD5002AALX-00J37A0, 15.01H15, max UDMA/133
ata6.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
ata6.00: configured for UDMA/133
Nov  6 11:05:45 roesler kernel: ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Nov  6 11:05:45 roesler kernel: ata2.00: ATA-9: Samsung SSD 840 Series, DXT06B0Q, max UDMA/133
Nov  6 11:05:45 roesler kernel: ata2.00: 234441648 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
Nov  6 11:05:45 roesler kernel: ata2.00: configured for UDMA/133
256
FOUND NON-ROTIONAL DISK (SSD)
TUNING KERNEL...
PERFORMING SECURE ERASE OF /dev/sdd...
security_password="secret"

/dev/sdd:
 Issuing SECURITY_SET_PASS command, password="secret", user=user, mode=high
security_password="secret"

/dev/sdd:
 Issuing SECURITY_ERASE command, password="secret", user=user
0.00user 0.00system 0:20.30elapsed 0%CPU (0avgtext+0avgdata 2336maxresident)k
0inputs+0outputs (0major+184minor)pagefaults 0swaps
[noop] anticipatory deadline cfq 
31
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
file1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/98M /s] [0/25K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=390985
  write: io=5890MB, bw=100517KB/s, iops=25129, runt= 60000msec
    clat (usec): min=28, max=8486, avg=37.95, stdev=14.76
    bw (KB/s) : min=97416, max=111736, per=100.01%, avg=100524.03, stdev=2268.57
  cpu          : usr=12.38%, sys=25.11%, ctx=1507828, majf=0, minf=27
  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 r/w: total=0/1507756, short=0/0
     lat (usec): 50=93.12%, 100=6.82%, 250=0.05%, 500=0.01%, 750=0.01%
     lat (usec): 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 10=0.01%

Run status group 0 (all jobs):
  WRITE: io=5890MB, aggrb=100517KB/s, minb=102929KB/s, maxb=102929KB/s, mint=60000msec, maxt=60000msec

Disk stats (read/write):
  sdd: ios=67/1505498, merge=0/0, ticks=24/31754, in_queue=31365, util=52.25%
file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
Starting 1 process
Jobs: 1 (f=1): [w] [100.0% done] [0K/135M /s] [0/34K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=391235
  write: io=8016MB, bw=136798KB/s, iops=34199, runt= 60001msec
    slat (usec): min=2, max=292, avg= 9.15, stdev= 3.69
    clat (usec): min=45, max=16920, avg=924.38, stdev=1231.46
    bw (KB/s) : min=130557, max=149298, per=100.06%, avg=136883.71, stdev=3011.11
  cpu          : usr=6.91%, sys=35.23%, ctx=40462, majf=0, minf=1084
  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 r/w: total=0/2052011, short=0/0
     lat (usec): 50=0.01%, 100=0.01%, 250=1.09%, 500=77.06%, 750=2.19%
     lat (usec): 1000=1.07%
     lat (msec): 2=2.55%, 4=13.47%, 10=2.37%, 20=0.19%

Run status group 0 (all jobs):
  WRITE: io=8016MB, aggrb=136798KB/s, minb=140081KB/s, maxb=140081KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=42/2049254, merge=0/0, ticks=74/1588725, in_queue=1588226, util=99.86%
file1: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
Starting 1 process
Jobs: 1 (f=1): [R] [100.0% done] [114M/0K /s] [29K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=391867
  read : io=6675MB, bw=113920KB/s, iops=28480, runt= 60001msec
    clat (usec): min=26, max=2331, avg=32.88, stdev= 7.87
    bw (KB/s) : min=110808, max=126808, per=99.99%, avg=113907.97, stdev=2381.83
  cpu          : usr=15.42%, sys=22.36%, ctx=1708886, majf=0, minf=30
  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 r/w: total=1708829/0, short=0/0
     lat (usec): 50=98.68%, 100=1.31%, 250=0.01%, 500=0.01%, 750=0.01%
     lat (usec): 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%

Run status group 0 (all jobs):
   READ: io=6675MB, aggrb=113920KB/s, minb=116654KB/s, maxb=116654KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=1706318/0, merge=0/0, ticks=30701/0, in_queue=30213, util=50.36%
file1: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
Starting 1 process
Jobs: 1 (f=1): [r] [100.0% done] [343M/0K /s] [86K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=391904
  read : io=19039MB, bw=324930KB/s, iops=81232, runt= 60001msec
    slat (usec): min=3, max=402, avg= 9.07, stdev= 4.77
    clat (usec): min=148, max=1672, avg=383.05, stdev=70.54
    bw (KB/s) : min=294336, max=345112, per=99.96%, avg=324800.74, stdev=19348.04
  cpu          : usr=14.56%, sys=81.68%, ctx=52145, majf=0, minf=1497
  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 r/w: total=4874025/0, short=0/0
     lat (usec): 250=0.14%, 500=92.87%, 750=6.88%, 1000=0.10%
     lat (msec): 2=0.01%

Run status group 0 (all jobs):
   READ: io=19039MB, aggrb=324929KB/s, minb=332727KB/s, maxb=332727KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=4866524/0, merge=0/0, ticks=958121/0, in_queue=956325, util=99.83%
Threads: 01 Results: 15153 seeks/second, 0.066 ms random access time (120510 < offsets < 120034090406)
Threads: 02 Results: 24570 seeks/second, 0.041 ms random access time (62714 < offsets < 120034011929)
Threads: 04 Results: 37545 seeks/second, 0.027 ms random access time (93456 < offsets < 120034076097)
Threads: 08 Results: 49238 seeks/second, 0.020 ms random access time (94071 < offsets < 120034017407)
Threads: 16 Results: 62711 seeks/second, 0.016 ms random access time (13750 < offsets < 120034088897)
Threads: 32 Results: 70340 seeks/second, 0.014 ms random access time (61149 < offsets < 120034091636)
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 46.1276 s, 364 MB/s
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 86.8731 s, 193 MB/s
Information: You may need to update /etc/fstab.                           

Information: You may need to update /etc/fstab.                           

parted: unrecognized option '--rereadpt'
Usage: parted [-hlmsv] [-a<align>] [DEVICE [COMMAND [PARAMETERS]]...]
mke2fs 1.41.12 (17-May-2010)
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

Writing inode tables: done                            
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 35 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
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
roesler         47G           133098  30 105456  14           563364  27  1647 114
Latency                        1129ms     827ms              5480us    2441us
Version  1.96       ------Sequential Create------ --------Random Create--------
roesler             -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
      128:4096:4096 12144  64 202187  97 32620  63 17223  50 225955  97 28491  56
Latency               613ms     859us     200ms     707ms     349us     204ms
1.96,1.96,roesler,1,1352614897,47G,,,,133098,30,105456,14,,,563364,27,1647,114,128,4096,4096,,,12144,64,202187,97,32620,63,17223,50,225955,97,28491,56,,1129ms,827ms,,5480us,2441us,613ms,859us,200ms,707ms,349us,204ms
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
file1: (g=0): rw=write, bs=1M-1M/1M-1M, ioengine=sync, iodepth=1
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/136M /s] [0/133 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=401135
  write: io=114473MB, bw=136046KB/s, iops=132, runt=861625msec
    clat (msec): min=2, max=20, avg= 7.52, stdev= 1.97
    bw (KB/s) : min=128250, max=151249, per=100.10%, avg=136180.73, stdev=1685.61
  cpu          : usr=0.07%, sys=1.12%, ctx=114564, majf=0, minf=55
  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 r/w: total=0/114473, short=0/0

     lat (msec): 4=0.12%, 10=86.36%, 20=13.52%, 50=0.01%

Run status group 0 (all jobs):
  WRITE: io=114473MB, aggrb=136045KB/s, minb=139310KB/s, maxb=139310KB/s, mint=861625msec, maxt=861625msec

Disk stats (read/write):
  sdd: ios=971/228912, merge=0/0, ticks=6297/1271212, in_queue=1277326, util=99.37%
file1: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
Starting 1 process
Jobs: 1 (f=1): [W] [100.0% done] [0K/99803K /s] [0/24K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=406556
  write: io=5793MB, bw=98863KB/s, iops=24715, runt= 60001msec
    clat (usec): min=28, max=5377, avg=38.83, stdev=12.67
    bw (KB/s) : min=95168, max=113816, per=100.03%, avg=98896.20, stdev=3213.45
  cpu          : usr=11.86%, sys=25.10%, ctx=1483039, majf=0, minf=28
  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 r/w: total=0/1482974, short=0/0
     lat (usec): 50=88.54%, 100=11.42%, 250=0.03%, 500=0.01%, 750=0.01%
     lat (usec): 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 10=0.01%

Run status group 0 (all jobs):
  WRITE: io=5793MB, aggrb=98863KB/s, minb=101236KB/s, maxb=101236KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=66/1480867, merge=0/0, ticks=36/32601, in_queue=32269, util=53.73%
file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
Starting 1 process
Jobs: 1 (f=1): [w] [100.0% done] [0K/134M /s] [0/34K iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=407300
  write: io=7997MB, bw=136487KB/s, iops=34121, runt= 60001msec
    slat (usec): min=3, max=264, avg= 9.16, stdev= 3.77
    clat (usec): min=49, max=17259, avg=926.41, stdev=1219.05
    bw (KB/s) : min=129096, max=150104, per=100.03%, avg=136532.11, stdev=3400.97
  cpu          : usr=6.79%, sys=35.78%, ctx=39013, majf=0, minf=1174
  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 r/w: total=0/2047336, short=0/0
     lat (usec): 50=0.01%, 100=0.01%, 250=1.19%, 500=75.95%, 750=2.49%
     lat (usec): 1000=1.10%
     lat (msec): 2=3.40%, 4=13.34%, 10=2.32%, 20=0.20%

Run status group 0 (all jobs):
  WRITE: io=7997MB, aggrb=136486KB/s, minb=139762KB/s, maxb=139762KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=66/2044156, merge=0/0, ticks=153/1559800, in_queue=1559308, util=99.85%
file1: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
Starting 1 process
Jobs: 1 (f=1): [R] [100.0% done] [115M/0K /s] [29K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=407419
  read : io=6687MB, bw=114119KB/s, iops=28529, runt= 60001msec
    clat (usec): min=26, max=1724, avg=32.80, stdev= 8.70
    bw (KB/s) : min=109776, max=122144, per=100.00%, avg=114120.20, stdev=2017.18
  cpu          : usr=15.51%, sys=22.37%, ctx=1711839, majf=0, minf=30
  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 r/w: total=1711809/0, short=0/0
     lat (usec): 50=98.38%, 100=1.60%, 250=0.02%, 500=0.01%, 750=0.01%
     lat (usec): 1000=0.01%
     lat (msec): 2=0.01%

Run status group 0 (all jobs):
   READ: io=6687MB, aggrb=114118KB/s, minb=116857KB/s, maxb=116857KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=1709446/0, merge=0/0, ticks=32143/0, in_queue=31711, util=52.85%
file1: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=32
Starting 1 process
Jobs: 1 (f=1): [r] [100.0% done] [307M/0K /s] [77K/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=1): err= 0: pid=407993
  read : io=17807MB, bw=303904KB/s, iops=75975, runt= 60001msec
    slat (usec): min=2, max=431, avg= 8.87, stdev= 5.01
    clat (usec): min=184, max=2482, avg=410.43, stdev=87.18
    bw (KB/s) : min=295736, max=318184, per=99.99%, avg=303886.79, stdev=3639.05
  cpu          : usr=14.26%, sys=78.08%, ctx=115416, majf=0, minf=1230
  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 r/w: total=4558632/0, short=0/0
     lat (usec): 250=0.06%, 500=84.10%, 750=15.62%, 1000=0.20%
     lat (msec): 2=0.01%, 4=0.01%

Run status group 0 (all jobs):
   READ: io=17807MB, aggrb=303903KB/s, minb=311197KB/s, maxb=311197KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sdd: ios=4551811/0, merge=0/0, ticks=1379589/0, in_queue=1378253, util=99.84%
Threads: 01 Results: 7062 seeks/second, 0.142 ms random access time (20513 < offsets < 120033384952)
Threads: 02 Results: 13129 seeks/second, 0.076 ms random access time (332800 < offsets < 120033835915)
Threads: 04 Results: 22982 seeks/second, 0.044 ms random access time (119839 < offsets < 120034048820)
Threads: 08 Results: 35659 seeks/second, 0.028 ms random access time (68807 < offsets < 120033990409)
Threads: 16 Results: 48823 seeks/second, 0.020 ms random access time (40244 < offsets < 120034045410)
Threads: 32 Results: 63116 seeks/second, 0.016 ms random access time (73669 < offsets < 120034090406)
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 50.0919 s, 335 MB/s
16000+0 records in
16000+0 records out
16777216000 bytes (17 GB) copied, 124.924 s, 134 MB/s
Information: You may need to update /etc/fstab.                           

Information: You may need to update /etc/fstab.                           

parted: unrecognized option '--rereadpt'
Usage: parted [-hlmsv] [-a<align>] [DEVICE [COMMAND [PARAMETERS]]...]
mke2fs 1.41.12 (17-May-2010)
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

Writing inode tables: done                            
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 29 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
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
roesler         47G           134405  27 103835  14           563119  27  1701 116
Latency                        1062ms     845ms              6861us    3444us
Version  1.96       ------Sequential Create------ --------Random Create--------
roesler             -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
      128:4096:4096 12739  62 204353  97 35680  58 18877  43 225042  97 31189  53
Latency              1214ms     798us     199ms     627ms     341us     199ms
1.96,1.96,roesler,1,1352599655,47G,,,,134405,27,103835,14,,,563119,27,1701,116,128,4096,4096,,,12739,62,204353,97,35680,58,18877,43,225042,97,31189,53,,1062ms,845ms,,6861us,3444us,1214ms,798us,199ms,627ms,341us,199ms
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
FOUND NON-ROTIONAL DISK (SSD)
PERFORMING SECURE ERASE OF /dev/sdd...
security_password="secret"

/dev/sdd:
 Issuing SECURITY_SET_PASS command, password="secret", user=user, mode=high
security_password="secret"

/dev/sdd:
 Issuing SECURITY_ERASE command, password="secret", user=user
0.00user 0.00system 0:20.32elapsed 0%CPU (0avgtext+0avgdata 2336maxresident)k
48inputs+0outputs (0major+184minor)pagefaults 0swaps
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
root@roesler:~#