おまえの hddparm -tT 教えてください。

bash# cat /proc/ide/hda/model
TOSHIBA MK6015MAP
/dev/hda:
Timing buffer-cache reads: 64 MB in 0.55 seconds =116.36 MB/sec
Timing buffered disk reads: 32 MB in 2.44 seconds =13.11 MB/sec

bash-2.05# cat /proc/ide/hda/model
FUJITSU MPG3409AT E
/dev/hda:
Timing buffer-cache reads: 128 MB in 1.04 seconds =123.08 MB/sec
Timing buffered disk reads: 64 MB in 2.35 seconds = 27.23 MB/sec

bash-2.05# cat /proc/ide/hdc/model
IBM-DPTA-372050
/dev/hdc:
Timing buffer-cache reads: 128 MB in 1.01 seconds =126.73 MB/sec
Timing buffered disk reads: 64 MB in 2.94 seconds = 21.77 MB/sec

/dev/hda:

Model=ST36422A, FwRev=1.70, SerialNo=7AC01TSV
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=13228/15/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=256kB, MaxMultSect=16, MultSect=16
CurCHS=13228/15/63, CurSects=12500460, LBA=yes, LBAsects=12500460
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version: 1 2 3 4

* signifies the current active mode

/dev/hda:
Timing cached reads: 532 MB in 2.00 seconds = 266.00 MB/sec
Timing buffered disk reads: 42 MB in 3.03 seconds = 13.86 MB/sec

カタカタうるさいディスク、

僕のｼﾝｺﾊﾟｯﾄﾞでつ。

# hdparm -tT /dev/hda1

/dev/hda1:
Timing cached reads: 620 MB in 2.01 seconds = 308.20 MB/sec
Timing buffered disk reads: 70 MB in 3.04 seconds = 23.01 MB/sec

HDDを買い換えて2ﾏｿしたっす。2ﾏｿ払った成果はあるようです。

/dev/hdd:

Model=QUANTUM FIREBALL EX6.4A, FwRev=A0A.0D00, SerialNo=276903422458
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=13325/15/63, TrkSize=32256, SectSize=21298, ECCbytes=4
BuffType=DualPortCache, BuffSize=418kB, MaxMultSect=16, MultSect=16
CurCHS=13325/15/63, CurSects=12592125, LBA=yes, LBAsects=12592847
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-4 T13 1153D revision 15: 1 2 3 4

* signifies the current active mode

Timing cached reads: 2432 MB in 2.00 seconds = 1214.36 MB/sec
Timing buffered disk reads: 38 MB in 3.03 seconds = 12.54 MB/sec

5年ぐらい前のHDだが、まあ歳相応の性能ってところか。

# hdparm -iTt /dev/hde [~]

/dev/hde:

Model=WDC WD740GD-00FLA1, FwRev=27.08D27, SerialNo=WD-WMAKE1601147
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=145226112
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version:

* signifies the current active mode

Timing cached reads: 2096 MB in 2.00 seconds = 1047.11 MB/sec
Timing buffered disk reads: 204 MB in 3.03 seconds = 67.38 MB/sec

なんで cached read がやたら遅いんだろう。

# hdparm -tiT /dev/hda

/dev/hda:

Model=QUANTUM FIREBALL ST3.2A, FwRev=A0F.F800, SerialNo=153718315215
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=6256/16/63, TrkSize=32256, SectSize=512, ECCbytes=4
BuffType=DualPortCache, BuffSize=81kB, MaxMultSect=16, MultSect=16
CurCHS=6256/16/63, CurSects=6306048, LBA=yes, LBAsects=6306048
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 *mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=no
Drive conforms to: device does not report version: 1 2 3

* signifies the current active mode

Timing cached reads: 116 MB in 2.04 seconds = 56.86 MB/sec
Timing buffered disk reads: 28 MB in 3.15 seconds = 8.89 MB/sec


とっても遅いづら。

RAID組んで測っているのは無いんか？

# hdparm -itT /dev/hda

/dev/hda:

Model=TOSHIBA MK2103MAV, FwRev=D0.05 A, SerialNo=97874156
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=4200/16/63, TrkSize=40257, SectSize=639, ECCbytes=21
BuffType=DualPortCache, BuffSize=128kB, MaxMultSect=16, MultSect=16
CurCHS=4200/16/63, CurSects=4233600, LBA=yes, LBAsects=4233600
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 *mdma2
AdvancedPM=no
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3

Timing buffer-cache reads: 128 MB in 5.84 seconds = 21.92 MB/sec
Timing buffered disk reads: 64 MB in 27.53 seconds = 2.32 MB/sec


10年前のPentium120MHzノート+東芝2G+Vine2.5で使ってる自宅鯖。(*´▽`*) ｵｿｰｲ

hdparm -tT /dev/sda10

/dev/sda10:
Timing buffer-cache reads: 128 MB in 0.13 seconds =984.62 MB/sec
Timing buffered disk reads: 64 MB in 0.78 seconds = 82.05 MB/sec

Vendor: DELL Model: Virtual Disk 0 Rev: V1.0
Type: Direct-Access ANSI SCSI revision: 02

hdparm -tiT /dev/hda

/dev/hda:

Model=IC35L120AVVA07-0, FwRev=VA6OA52A, SerialNo=VNC603A6GGEZVA
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=1863kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=241254720
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1:

* signifies the current active mode

Timing cached reads: 1704 MB in 2.00 seconds = 851.28 MB/sec
Timing buffered disk reads: 126 MB in 3.04 seconds = 41.41 MB/sec

hdparm -tiT /dev/hda

/dev/hda:

Model=IBM-DYLA-28100, FwRev=YSAAA23H, SerialNo=VC0VC033424
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=15880/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=459kB, MaxMultSect=16, MultSect=off
CurCHS=15880/16/63, CurSects=16007040, LBA=yes, LBAsects=16007040
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 *mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=yes: mode=0x80 (128)
Drive conforms to: ATA-3 X3T10 2008D revision 1: 1 2 3

* signifies the current active mode

Timing cached reads: 232 MB in 2.01 seconds = 115.27 MB/sec
Timing buffered disk reads: 22 MB in 3.04 seconds = 7.24 MB/sec

/sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=Maxtor 91728D8, FwRev=GAS54112, SerialNo=A80BELHC
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=29
BuffType=DualPortCache, BuffSize=512kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=33750864
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-4 T13 1153D revision 17: 1 2 3 4

* signifies the current active mode

Timing cached reads: 240 MB in 2.00 seconds = 120.00 MB/sec
Timing buffered disk reads: 46 MB in 3.11 seconds = 14.79 MB/sec

/sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=HTS548080M9AT00, FwRev=MG4OA53A, SerialNo=MRL442L4GNDMDB
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=7877kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:

* signifies the current active mode

Timing cached reads: 1384 MB in 2.01 seconds = 690.04 MB/sec
Timing buffered disk reads: 104 MB in 3.00 seconds = 34.61 MB/sec

dev/hdb:
Timing cached reads: 816 MB in 2.00 seconds = 407.86 MB/sec
Timing buffered disk reads: 162 MB in 3.05 seconds = 53.19 MB/sec

$ sudo /sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=Virtual HD, FwRev=1. 1, SerialNo=
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=32256, SectSize=512, ECCbytes=0
BuffType=DualPortCache, BuffSize=64kB, MaxMultSect=128, MultSect=128
CurCHS=33288/16/63, CurSects=33554304, LBA=yes, LBAsects=33554304
IORDY=on/off, tPIO={min:333,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 *mdma2
AdvancedPM=no

* signifies the current active mode

Timing buffer-cache reads: 1636 MB in 1.99 seconds = 822.11 MB/sec
Timing buffered disk reads: 92 MB in 3.01 seconds = 30.56 MB/sec

Debian:~# /sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=ASI ARAID99 1000 Ver1.00, FwRev=v1.00.47, SerialNo=A020-0272-14001-0000
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:0,rec:0}
PIO modes: pio3 pio4
DMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=no
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4

Timing buffer-cache reads: 128 MB in 0.94 seconds =136.17 MB/sec
Timing buffered disk reads: 64 MB in 14.16 seconds = 4.52 MB/sec
Debian:~#

俺のは遅すぎたみたい。
家でﾊﾟﾗﾒﾀさわってみた


Debian:~# /sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=ASI ARAID99 1000 Ver1.00, FwRev=v1.00.47, SerialNo=A020-0272-14001-0000
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=8
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:0,rec:0}
PIO modes: pio3 pio4
DMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=no
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4

Timing buffer-cache reads: 128 MB in 0.90 seconds =142.22 MB/sec
Timing buffered disk reads: 64 MB in 1.15 seconds = 55.65 MB/sec
Debian:~#

漏れもそう思っていたが書かなかった(w

Model=ST340015A, FwRev=3.01, SerialNo=5LAJT6PR
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=4047/16/255, CurSects=16511760, LBA=yes, LBAsects=78165360
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version:

Timing cached reads: 112 MB in 2.01 seconds = 55.76 MB/sec
Timing buffered disk reads: 30 MB in 3.12 seconds = 9.63 MB/sec

なんでこんなに遅いんだろ・・・？
ファーヤーボールでも19MB/secまで出てたのに・・

$ sudo hdparm -tiT /dev/hda

/dev/hda:

Model=ST340810A, FwRev=3.39, SerialNo=5FB2VY20
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=78165360
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: unknown setting WriteCache=enabled
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4 ATA-5 ATA-6

Timing buffer-cache reads: 128 MB in 2.07 seconds = 61.84 MB/sec
Timing buffered disk reads: 64 MB in 2.46 seconds = 26.02 MB/sec

このスレ見てDMAがOFFになってたのに気づいた。。。
何年気づかずに使ってたんだろう。。。orz

# /sbin/hdparm -itT /dev/hda

/dev/hda:

Model=ST340014A, FwRev=3.06, SerialNo=5JX6TNFS
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=78165360
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2:

* signifies the current active mode

Timing cached reads: 2088 MB in 2.00 seconds = 1044.16 MB/sec
Timing buffered disk reads: 166 MB in 3.03 seconds = 54.79 MB/sec

Model=HDS722525VLAT80, FwRev=V36OA63A, SerialNo=VN693ECFE0YJWD
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=7938kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:

* signifies the current active mode

Timing cached reads: 3596 MB in 2.00 seconds = 1797.37 MB/sec
Timing buffered disk reads: 176 MB in 3.01 seconds = 58.38 MB/sec

Model=WDC WD135BA, FwRev=16.13M16, SerialNo=WD-WMA02
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=40
BuffType=3(DualPortCache), BuffSize=2048kB, MaxMultSect=16, MultSect=16
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow)
CurCHS=17475/15/63, CurSects=16513875, LBA=yes, LBAsects=26406576
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 mword2
IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4

# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 32 MB in 1.45 seconds =22.10 MB/sec

# hdparm -itT /dev/hde

/dev/hde:

Model=IC35L060AVV207-0, FwRev=V22OA63A, SerialNo=VNVB01G2G5H4YE
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=1821kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=120103200
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:

* signifies the current active mode

Timing cached reads: 384 MB in 2.02 seconds = 190.13 MB/sec
Timing buffered disk reads: 72 MB in 3.05 seconds = 23.60 MB/sec

# hdparm -itT /dev/hdf

/dev/hdf:

Model=HDS722516VLAT20, FwRev=V34OA6EA, SerialNo=VNR41EC4CR3P4M
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=1794kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:

* signifies the current active mode

Timing cached reads: 320 MB in 2.02 seconds = 158.36 MB/sec
Timing buffered disk reads: 92 MB in 3.01 seconds = 30.55 MB/sec

一つの外付けのケースに入れたドライブ（Toshiba MK8026GAX）を、

1). IEEE1394 で接続した場合

/dev/sda:
Timing cached reads: 528 MB in 2.01 seconds = 262.69 MB/sec
Timing buffered disk reads: 58 MB in 3.12 seconds = 18.59 MB/sec

と、

2). USB2.0 で接続した場合

/dev/sda:
Timing cached reads: 556 MB in 2.00 seconds = 278.00 MB/sec
Timing buffered disk reads: 36 MB in 3.05 seconds = 11.80 MB/sec

とで計測。

物理的にはまったく同じケース＋ドライブだけど、
接続方法が違うだけでこんなに違う。

ちなみに IEEE1394 は VIA OHCI Compliant IEEE 1394 Host Controller、
USB2 は NEC PCI to USB Enhanced Host Controller B1 の、
それぞれ PCI バスに刺したカード経由。

2台でSoftware Raid0を組んでみた。

# hdparm -tT /dev/md0

/dev/md0:
Timing cached reads: 3560 MB in 2.00 seconds = 1778.49 MB/sec
Timing buffered disk reads: 412 MB in 3.01 seconds = 136.81 MB/sec

$ sudo hdparm -tiT /dev/hda

/dev/hda:

Model=FUJITSU MHT2080AH, FwRev=006C, SerialNo=NP0FT5428V6T
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=yes, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:

* signifies the current active mode

Timing cached reads: 2648 MB in 2.00 seconds = 1322.88 MB/sec
Timing buffered disk reads: 102 MB in 3.02 seconds = 33.75 MB/sec


dell inspiron 700m でカキコ
ていうか今ごろ気づいたけど F かよ。。
まぁもれは以前のHDDぶっこわれ事件のときに壊れる前に
ソフマップに売り抜けた勝ち組だからべつにいいけどwww

/dev/hda:

Model=HTS548080M9AT00, FwRev=MG4OA53A, SerialNo=MRL455L4JBARTB
Timing cached reads: 1660 MB in 2.00 seconds = 829.95 MB/sec
Timing buffered disk reads: 104 MB in 3.05 seconds = 34.12 MB/sec

/dev/hdc:

Model=PIONEER DVD-RW DVR-K15, FwRev=1.11, SerialNo=
Timing cached reads: 1640 MB in 2.00 seconds = 819.95 MB/sec
Timing buffered disk reads: 10 MB in 3.29 seconds = 3.04 MB/sec

/dev/hda:

Model=HDT722516DLAT80, FwRev=V43OA70A, SerialNo=VD071BTCCT8RSE
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=51
BuffType=DualPortCache, BuffSize=7674kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: Reserved:

* signifies the current active mode

Timing cached reads: 2232 MB in 2.00 seconds = 1115.05 MB/sec
Timing buffered disk reads: 164 MB in 3.01 seconds = 54.57 MB/sec

cat /proc/ide/hda/model
ST380021A

hdparm -tT /dev/hda
Timing cached reads: 1744 MB in 2.00 seconds = 871.95 MB/sec
Timing buffered disk reads: 110 MB in 3.01 seconds = 36.57 MB/sec

cat /proc/ide/hda/model
ST380021A

/sbin/hdparm -tT /dev/hda
Timing cached reads: 1288 MB in 2.00 seconds = 644.00 MB/sec
Timing buffered disk reads: 114 MB in 3.04 seconds = 37.50 MB/sec

cat /sys/block/sdb/device/model
9500S-4LP DISK

hdparm -tT /dev/sdb
/dev/sdb:
Timing cached reads: 2768 MB in 2.00 seconds = 1382.83 MB/sec
Timing buffered disk reads: 250 MB in 3.01 seconds = 82.99 MB/sec

sage

/sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=HDS722516VLAT20, FwRev=V34OA60A, SerialNo=VNR4GEC4C5G9XK
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=1794kB, MaxMultSect=16, MultSect=16
CurCHS=65535/1/63, CurSects=4128705, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:

* signifies the current active mode

Timing cached reads: 552 MB in 2.00 seconds = 276.00 MB/sec
Timing buffered disk reads: 174 MB in 3.00 seconds = 58.00 MB/sec

cat /proc/ide/hda/model
ST3120022A
hdparm -tT /dev/hda
/dev/hda:
Timing cached reads: 4024 MB in 2.00 seconds = 2011.33 MB/sec
Timing buffered disk reads: 156 MB in 3.02 seconds = 51.73 MB/sec

cat /sys/block/sda/device/model
WDC WD740GD-75FL
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 4064 MB in 2.00 seconds = 2030.88 MB/sec
Timing buffered disk reads: 206 MB in 3.02 seconds = 68.18 MB/sec

/dev/hda: HDS728080PLAT20（ATA-66）
multcount = 0 (off)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 16383/255/63, sectors = 160836480, start = 0

Timing cached reads: 2596 MB in 2.00 seconds = 1298.20 MB/sec
Timing buffered disk reads: 150 MB in 3.01 seconds = 49.91 MB/sec

>>234 もうあったのか

setting multcount to 16
setting xfermode to 70 (UltraDMA mode6)
に変更して

Timing cached reads: 2536 MB in 2.00 seconds = 1267.56 MB/sec
Timing buffered disk reads: 150 MB in 3.03 seconds = 49.53 MB/sec

変わらず･･･マルチセクタOff、UDMA4で十分らしい

dmesgにCRCエラーが出るんでどないなっとんじゃいと思ったら
ケーブル腐ってました･･･

/dev/hda:
Timing cached reads: 2552 MB in 2.00 seconds = 1275.56 MB/sec
Timing buffered disk reads: 174 MB in 3.02 seconds = 57.61 MB/sec

ここはHDDの歴史がわかるスレですね

/sbin/hdparm -itT /dev/hda

/dev/hda:

Model=Maxtor 4R060L0, FwRev=RAMC1TU0, S/sbin/hdparm -itT /dev/hda

/dev/hda:

Model=Maxtor 4R060L0, FwRev=RAMC1TU0, SerialNo=R2R9P42E
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=120103200
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: (null):

* signifies the current active mode

Timing cached reads: 1132 MB in 2.01 seconds = 564.39 MB/sec
Timing buffered disk reads: 112 MB in 3.01 seconds = 37.21 MB/sec

ﾃﾗｼｮﾎﾞｽ orz

なんだかしらんが、こんな数字がでたぞ。

# hdparm -tT /dev/sda

/dev/sda:
Timing cached reads: 4180 MB in 1.99 seconds = 2098.48 MB/sec
Timing buffered disk reads: 142 MB in 3.03 seconds = 46.92 MB/sec

# hdparm -tT /dev/hda

/dev/hda:
Timing cached reads: 1760 MB in 2.00 seconds = 878.93 MB/sec
Timing buffered disk reads: 62 MB in 3.04 seconds = 20.42 MB/sec

# cat /proc/ide/hda/model
HTC426060G9AT00

恐怖のX40ユーザーですが、お前らこんにちは。
1.8インチHDDは速度こそこの通りunkoburiburiですが、びっくりするほど衝撃に強いですよ。

/sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=ST313620A, FwRev=3.07, SerialNo=7BW11BTT
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=512kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=26692776
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 *udma4
AdvancedPM=no WriteCache=enabled
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4

Timing buffer-cache reads: 128 MB in 0.55 seconds =232.73 MB/sec
Timing buffered disk reads: 64 MB in 2.92 seconds = 21.92 MB/sec

P2-450x2とPC100 SDRAMから、P3-800(133）x2とPC800-45に変更した
結構メモリ速度あがるね

cat /sys/block/sda/device/model
WDC WD1600JS-00N
hdparm -tT /dev/sda

/dev/sda:
Timing cached reads: 3128 MB in 2.00 seconds = 1563.46 MB/sec
Timing buffered disk reads: 174 MB in 3.01 seconds = 57.84 MB/sec

linuxhost ~ # cat /sys/block/sda/device/model
Hitachi HDT72503
linuxhost ~ # hdparm -Tt /dev/sda
/dev/sda:
Timing cached reads: 1632 MB in 2.00 seconds = 815.94 MB/sec
Timing buffered disk reads: 220 MB in 3.00 seconds = 73.30 MB/sec

linuxhost ~ # cat /sys/block/sdb/device/model
WDC WD740GD-00FL
linuxhost ~ # hdparm -Tt /dev/sdb
/dev/sdb:
Timing cached reads: 1624 MB in 2.00 seconds = 811.51 MB/sec
Timing buffered disk reads: 206 MB in 3.02 seconds = 68.14 MB/sec

ST3250620AS
/dev/sda:
Timing cached reads: 3004 MB in 2.00 seconds = 1501.91 MB/sec
Timing buffered disk reads: 230 MB in 3.00 seconds = 76.56 MB/sec

ST3200822A
/dev/hda:
Timing cached reads: 2996 MB in 2.00 seconds = 1497.91 MB/sec
Timing buffered disk reads: 186 MB in 3.01 seconds = 61.83 MB/sec

Vendor: FUJITSU Model: MAW3300NC Rev: 5803
/dev/sda:
Timing cached reads: 3624 MB in 2.00 seconds = 1811.37 MB/sec
Timing buffered disk reads: 276 MB in 3.02 seconds = 91.31 MB/sec

$ cat /sys/block/sda/device/model
WDC WD740ADFD-00

$ sudo /sbin/hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 4028 MB in 2.00 seconds = 2015.55 MB/sec
Timing buffered disk reads: 250 MB in 3.02 seconds = 82.88 MB/sec

SEAGATE Model: ST336754LC Rev: D404
でした

>>286
うわっ、速。

# /sbin/hdparm -tiT /dev/hda

/dev/hda:

Model=ST320014A, FwRev=3.07, SerialNo=5JZB6NW7
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=39102336
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 *udma4
AdvancedPM=no WriteCache=enabled
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4 ATA-5 ATA-6

Timing buffer-cache reads: 128 MB in 0.61 seconds =209.84 MB/sec
Timing buffered disk reads: 64 MB in 2.15 seconds = 29.77 MB/sec

# cat /sys/block/sda/device/model
ST3320620AS

# hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 3444 MB in 2.00 seconds = 1721.60 MB/sec
Timing buffered disk reads: 206 MB in 3.02 seconds = 68.19 MB/sec

hdparm -tT /dev/md0

/dev/md0:
Timing cached reads: 3920 MB in 2.00 seconds = 1961.66 MB/sec
Timing buffered disk reads: 396 MB in 3.00 seconds = 131.82 MB/sec

ソフトウェアRAID5でSATA�UのHDDを3本使用

ST318406LC

/dev/sda:
 Timing cached reads:   600 MB in  2.01 seconds = 298.85 MB/sec
 Timing buffered disk reads:  132 MB in  3.02 seconds =  43.76 MB/sec

/sbin/hdparm -tiT /dev/sda

/dev/sda:
Model=HDT722525DLAT80 , FwRev=V44OA70A, SerialNo= VD041BT4CPHKDE
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=51
BuffType=DualPortCache, BuffSize=7674kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 udma3 udma4 udma5 *udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7

* signifies the current active mode

Timing cached reads: 1332 MB in 2.00 seconds = 665.50 MB/sec
Timing buffered disk reads: 202 MB in 3.03 seconds = 66.78 MB/sec

SATA2にしてぇ…
キャッシュ16M欲しい…
DDR2も…
あああああああああああああああああ新しいマシンくみてえええええええええ！！！！！

Model=Maxtor 6Y120L0, FwRev=YAR41BW0, SerialNo=Y34ZA1HE

/dev/hda:
Timing cached reads: 1194 MB in 2.00 seconds = 596.89 MB/sec
Timing buffered disk reads: 170 MB in 3.00 seconds = 56.58 MB/sec

まあこんなもんだろ
触れないほど熱いのに41℃とか出る

Adaptec 29160N Ultra160 SCSI adapter
|
(AEC-7726Q で IDE => Ultra160SCSI 変換)
|
HDT722525DLAT80

# hdparm -tT /dev/sda
/dev/sda:
Timing buffer-cache reads: 128 MB in 0.84 seconds =152.38 MB/sec
Timing buffered disk reads: 64 MB in 1.59 seconds = 40.25 MB/sec

BX Chipset,PenIII-850,32bitPCI
この HDD を生かし切れているとは思えないが、マシンの割に頑張っているのでは !?

Seagate Barracuda 7200.10

ST3320620AS
/dev/sda:
Timing cached reads: 1782 MB in 2.00 seconds = 890.94 MB/sec
Timing buffered disk reads: 240 MB in 3.01 seconds = 79.62 MB/sec

ST3250620AS
/dev/sdb:
Timing cached reads: 1640 MB in 2.00 seconds = 820.22 MB/sec
Timing buffered disk reads: 232 MB in 3.02 seconds = 76.93 MB/sec

パラレルでもあんま変わらんのね
# /sbin/hdparm -I /dev/hdb
  ATA device, with non-removable media
  Model Number:       ST3320620A                              

# for ((i=0;i<5;i++)) do /sbin/hdparm -tT /dev/hdb ; done

/dev/hdb:
 Timing cached reads:   1384 MB in  2.00 seconds = 691.95 MB/sec
 Timing buffered disk reads:  234 MB in  3.02 seconds =  77.42 MB/sec

5連発の average data でつ。

# cat /sys/block/sdb/device/model
WDC WD5000AACS-0

# hdparm -tT /dev/sdb
/dev/sdb:
Timing cached reads: 470 MB in 2.01 seconds = 234.27 MB/sec
Timing buffered disk reads: 224 MB in 3.01 seconds = 74.35 MB/sec

>>298と同じ機種。CPUが激しく遅いのだけど、結果に影響しないのだろうか。

# cat /proc/cpuinfo | grep name
model name : VIA Esther processor 1500MHz

# cat /sys/block/sda/device/model
WDC WD5000AACS-0

# /sbin/hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 908 MB in 2.00 seconds = 453.56 MB/sec
Timing buffered disk reads: 220 MB in 3.02 seconds = 72.74 MB/sec

お久しぶり。

model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+

/dev/sda:
Model=WDC WD3200JS-22PDB0
Timing cached reads: 1652 MB in 2.00 seconds = 826.38 MB/sec
Timing buffered disk reads: 192 MB in 3.02 seconds = 63.65 MB/sec

/dev/sdb:
Model=WDC WD5000AAKS-00TMA0
Timing cached reads: 1724 MB in 2.00 seconds = 862.12 MB/sec
Timing buffered disk reads: 240 MB in 3.02 seconds = 79.37 MB/sec

model name : AMD Athlon(tm) 64 X2 Dual Core Processor 5600+

cat /sys/block/sda/device/model
Hitachi HDT72504


/sbin/hdparm -tT /dev/sda

/dev/sda:
Timing cached reads: 3076 MB in 2.00 seconds = 1539.10 MB/sec
Timing buffered disk reads: 198 MB in 3.02 seconds = 65.47 MB/sec

# cat /proc/cpuinfo | grep name
model name : Intel(R) Pentium(R) 4 CPU 3.20GHz
model name : Intel(R) Pentium(R) 4 CPU 3.20GHz
※DualCoreじゃなくHTだよ

# cat /sys/block/sda/device/model
HDS728080PLAT20

# /sbin/hdparm -tT /dev/sda/dev/sda:
Timing cached reads: 1466 MB in 2.00 seconds = 733.44 MB/sec
Timing buffered disk reads: 122 MB in 3.00 seconds = 40.60 MB/sec

# cat /sys/block/sdb/device/model
WDC WD5000AAKS-0
/dev/sdb:
Timing cached reads: 1412 MB in 2.00 seconds = 705.97 MB/sec
Timing buffered disk reads: 236 MB in 3.01 seconds = 78.35 MB/sec

# hdparm -Tt /dev/sda

/dev/sda:
Timing cached reads: 2164 MB in 2.00 seconds = 1083.16 MB/sec
Timing buffered disk reads: 236 MB in 3.02 seconds = 78.10 MB/sec


# cat /sys/block/sda/device/model
ST3320620NS

ICH9Rとの相性問題検証ついでに。AHCIモードでの結果です。

# hdparm -tT /dev/sda

/dev/sda:
Timing cached reads: 2332 MB in 2.00 seconds = 1166.39 MB/sec
Timing buffered disk reads: 272 MB in 3.01 seconds = 90.38 MB/sec

# cat /sys/block/sda/device/model
Hitachi HDP72505

linuxhost ~ # hdparm -tT /dev/sdb

/dev/sdb:
Timing cached reads: 856 MB in 2.00 seconds = 427.74 MB/sec
Timing buffered disk reads: 256 MB in 3.01 seconds = 85.11 MB/sec

linuxhost ~ # cat /sys/block/sdb/device/model
Hitachi HDP72505
>>283からなぜかメモリ速度が落ちている…。何故だろう。

Intel(R) Celeron(R) CPU 420 @ 1.60GHz

Hitachi HDP72502
/dev/sda:
Timing cached reads: 3744 MB in 2.00 seconds = 1872.68 MB/sec
Timing buffered disk reads: 256 MB in 3.00 seconds = 85.25 MB/sec

おめーら富豪すぎ

/dev/hda:
Timing cached reads: 240 MB in 2.00 seconds = 119.82 MB/sec
Timing buffered disk reads: 36 MB in 3.16 seconds = 11.40 MB/sec

thinkpad x20です

19,800円だったSC440
$ cat /proc/cpuinfo | grep name
model name : Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz
model name : Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz
$/sbin/hdparm -tiT
/dev/sda:
Model=WDC WD800JD-75MSA3 , FwRev=10.01E04, SerialNo= WD-WM**********
Timing cached reads: 4076 MB in 2.00 seconds = 2037.65 MB/sec
Timing buffered disk reads: 174 MB in 3.01 seconds = 57.89 MB/sec
ま、こんな所かな。SE16だともうちょっと速いんだろうけど。

Intel(R) Celeron(R) CPU 420 @ 1.60GHz -> 2.13GHz

Hitachi HDP72502
/dev/sda:
Timing cached reads: 5092 MB in 2.00 seconds = 2546.82 MB/sec
Timing buffered disk reads: 258 MB in 3.02 seconds = 85.45 MB/sec

areca使って8発RAID0で200MB/sもいかない・・・
/dev/sde:
Timing cached reads: 4356 MB in 2.00 seconds = 2176.16 MB/sec
Timing buffered disk reads: 552 MB in 3.01 seconds = 183.60 MB/sec

単発だとこんなもん
/dev/sda:
Timing cached reads: 5640 MB in 2.00 seconds = 2817.61 MB/sec
Timing buffered disk reads: 224 MB in 3.02 seconds = 74.26 MB/sec


誰か助けてください

ボトルネックはどこになってるの?

>>311
ボトルネックってどうやって調べればいいんですかね？
最近のOpteron*2のメモリ8Gで、topで見た限りは全く余裕でした。

>>312
firmwareをアップデートしてみては、とエスパーしてみる。

>>313
どうもです。
そうですね、この際いろいろ試すべきですよね。このままじゃとても運用なんてできない・・・

RAID0で5本です。

/sbin/hdparm -tT /dev/md1

/dev/md1:
Timing cached reads: 2372 MB in 2.00 seconds = 1186.15 MB/sec
Timing buffered disk reads: 1014 MB in 3.00 seconds = 337.46 MB/sec

SSDモデルのMacbook AirにFedora Core8入れました。

Intel(R) Core(TM)2 Duo CPU P7700 @ 1.80GHz

[root@localhost ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: MCCOE64GEMPP Rev: 2.9.
Type: Direct-Access ANSI SCSI revision: 05

[root@localhost ~]# /sbin/hdparm -tT /dev/sda

/dev/sda:
Timing cached reads: 4608 MB in 1.99 seconds = 2311.78 MB/sec
Timing buffered disk reads: 160 MB in 3.03 seconds = 52.75 MB/sec

# hdparm -itT /dev/sda1

/dev/sda1:

Model=ST340015A , FwRev=3.01 , SerialNo=5LA8TBQR
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=78165360
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6

* signifies the current active mode

Timing cached reads: 856 MB in 2.00 seconds = 427.63 MB/sec
Timing buffered disk reads: 130 MB in 3.02 seconds = 43.03 MB/sec

# hdparm -itT /dev/hda

/dev/hda:

Model=Maxtor 4D080H4, FwRev=DAK019K0, SerialNo=D40XEQHE
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=160080319
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 0: ATA/ATAPI-1,2,3,4,5,6

* signifies the current active mode

Timing cached reads: 734 MB in 2.00 seconds = 366.76 MB/sec
Timing buffered disk reads: 106 MB in 3.02 seconds = 35.10 MB/sec

hdparm -itT /dev/hda

/dev/hda:

Model=ST3160021A, FwRev=8.01, SerialNo=5JS5K6W3
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 *udma4 udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2: ATA/ATAPI-1,2,3,4,5,6

* signifies the current active mode

Timing cached reads: 952 MB in 2.00 seconds = 475.68 MB/sec
Timing buffered disk reads: 114 MB in 3.22 seconds = 35.41 MB/sec

3桁超えの報告がほとんどないぢゃん・・・
低スペックの情報集めてもあんまタメにならんのでは

/dev/sda:

Model=ST3320620NS , FwRev=3.AEG , SerialNo= 9QF5M1AN
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5
AdvancedPM=yes: unknown setting WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 2222 MB in 2.00 seconds = 1111.37 MB/sec
Timing buffered disk reads: 236 MB in 3.01 seconds = 78.39 MB/sec

500GB*6@mdadm RAID6

/dev/md0
Timing cached reads:   16284 MB in  2.00 seconds = 8156.26 MB/sec
Timing buffered disk reads:  942 MB in  3.00 seconds = 313.61 MB/sec

すげぇw

そんなもんだろ

# cat /sys/block/sdc/device/model
WDC WD6400AAKS-2

# hdparm -tT /dev/sdc
/dev/sdc:
Timing cached reads: 8956 MB in 2.00 seconds = 4486.14 MB/sec
Timing buffered disk reads: 324 MB in 3.01 seconds = 107.77 MB/sec

単体で3桁は初体験

>>325
> 単体で3桁は初体験
確かに興味深い。

WDの320GB/1プラのは速いねぇ。

http://human7.2ch.net/test/read.cgi/uwasa/1207065281/336

>>323
わが国のＩＴはユーザに使用法を十分説明する時間がありません。
このため、初心者がベテランに疑問についてたずねる光景を目にすることがあります。
しかし本来は事故（情報漏えいなど）が発生した場合の責任は、
接続業者、サーバ運営者、システムを開発したエンジニアにあります。
メーカあるいは購入店にたずねるべきです。
利用者の仕事は自治（掲示板の秩序を守ること）です。助言を行ってはなりません。
素人が専門技術に言及するのは「親切」ではありません。「無責任」です。
海外のプロフェッショナルは、「私の仕事ではない」と答えるはずです。

T61
# hdparm -itT /dev/sda

/dev/sda:

Model=FUJITSU MHW2160BH PL , FwRev=0084001E, SerialNo=
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=312581808
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
Drive conforms to: unknown: ATA/ATAPI-3,4,5,6,7

* signifies the current active mode

Timing cached reads: 6332 MB in 1.99 seconds = 3186.16 MB/sec
Timing buffered disk reads: 140 MB in 3.00 seconds = 46.63 MB/sec

Velociraptor

/dev/sda:

Model=WDC WD3000GLFS-01F8U0 , FwRev=03.03V01, SerialNo=
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=586072368
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=no WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 8112 MB in 2.00 seconds = 4063.08 MB/sec
Timing buffered disk reads: 368 MB in 3.01 seconds = 122.28 MB/sec

ラプターか
最近の320GBプラッタでもそれくらいは逝くそうだな

今まで報告が無かったみたいなんで。

Model=WDC WD10EACS-00D6B0 , FwRev=01.01A01, SerialNo= WD-WCAU40247453
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50
BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=1953525168
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=no WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 1754 MB in 2.00 seconds = 876.78 MB/sec
Timing buffered disk reads: 280 MB in 3.01 seconds = 92.93 MB/sec

hdparm -itT /dev/sda

/dev/sda:

Model=Hitachi HDT725040VLA360 , FwRev=V5COA7EA, SerialNo= VFK301R30RVK4K
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=15315kB, MaxMultSect=16, MultSect=?1?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 3184 MB in 2.00 seconds = 1593.01 MB/sec
Timing buffered disk reads: 198 MB in 3.03 seconds = 65.41 MB/sec


こんなものなのか?
遅いような気がするが...........

hdparm -itT /dev/sdb

/dev/sdb:

Model=Maxtor 6V250F0 , FwRev=VA111900, SerialNo=V59BNKPG
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=16384kB, MaxMultSect=16, MultSect=?1?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-7 T13 1532D revision 0: ATA/ATAPI-1,2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 3138 MB in 2.00 seconds = 1570.41 MB/sec
Timing buffered disk reads: 196 MB in 3.01 seconds = 65.05 MB/sec


うーーむ

hdparm -itT /dev/sdb

/dev/sdb:

Model=Hitachi HDS721075KLA330 , FwRev=GK8OAB0A, SerialNo= GTE200P8GMX7LE
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
BuffType=DualPortCache, BuffSize=31157kB, MaxMultSect=16, MultSect=?0?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7

* signifies the current active mode

Timing cached reads: 3476 MB in 2.00 seconds = 1738.15 MB/sec
Timing buffered disk reads: 250 MB in 3.01 seconds = 83.12 MB/sec

$ sudo /sbin/hdparm -itT /dev/sdb

/dev/sdb:

Model=WDC WD1001FALS-00J7B0 , FwRev=05.00K05, SerialNo= WD-WMATV0088937
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50
BuffType=unknown, BuffSize=32767kB, MaxMultSect=16, MultSect=?0?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=1953525168
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=no WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7

* signifies the current active mode

Timing cached reads: 6128 MB in 1.99 seconds = 3072.37 MB/sec
Timing buffered disk reads: 308 MB in 3.02 seconds = 102.07 MB/sec

6台分一気に(WD1600AVJS x 1 & Samsung HD103UI x 5)。

# hdparm -i -tT /dev/sd[abcdef]

/dev/sda:

Model=WDC WD1600AVJS-63WNA0 , FwRev=58.01D58, SerialNo= WD-WCAS26811273
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50
BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=?0?
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2
AdvancedPM=no WriteCache=enabled
Drive conforms to: Unspecified: ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7

* signifies the current active mode

Timing cached reads: 5200 MB in 2.00 seconds = 2599.82 MB/sec
Timing buffered disk reads: 222 MB in 3.02 seconds = 73.48 MB/sec