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おまえの hddparm -tT 教えてください。

1 :login:Penguin:01/10/07 18:10 ID:8G/SeCEs
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

2 :login:Penguin:01/10/07 18:13 ID:Srqa2bEk
cat /proc/ide/hda/media
disk

3 :login:Penguin:01/10/07 18:15 ID:9orBqHEM
$ hddparm -tT
bash: hddparm: command not found

4 :2:01/10/07 18:25 ID:PDCBMwdw
>>3 俺に対する朝鮮^H^H挑戦か?

5 :login:Penguin:01/10/07 18:29 ID:uV9pFExE
$cat /proc/ide/hda/model
Maxtor 91020U3

# /sbin/hdparm -tT /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 0.88 seconds =145.45 MB/sec
Timing buffered disk reads: 64 MB in 3.52 seconds = 18.18 MB/sec

6 :login:Penguin:01/10/08 00:45 ID:3mrzhjow
Vendor: IBM-PSG Model: DDYS-T09170M M Rev: S9HA

/dev/sda:
Timing buffer-cache reads: 128 MB in 1.23 seconds =104.07 MB/sec
Timing buffered disk reads: 64 MB in 2.01 seconds = 31.84 MB/sec

Vendor: FUJITSU Model: MAJ3364MC Rev: 3702

/dev/sdb:
Timing buffer-cache reads: 128 MB in 1.19 seconds =107.56 MB/sec
Timing buffered disk reads: 64 MB in 1.92 seconds = 33.33 MB/sec

7 :login:Penguin:01/10/08 01:51 ID:ucF25S2s
SCSI
Chip NCR53C895, device id 0xc, revision id 0x2
On PCI bus 0, device 13, function 0, IRQ 10
Synchronous period factor 10, max commands per lun 32

Vendor: IBM Model: DNES-318350W Rev: SA30

/dev/sda:
Timing buffer-cache reads: 128 MB in 0.88 seconds =145.45 MB/sec
Timing buffered disk reads: 64 MB in 3.32 seconds = 19.28 MB/sec

8 :login:Penguin:01/10/08 02:46 ID:ojhiOrJM
mona@2ch:~$ cat /proc/ide/hda/model
TOSHIBA MK2016GAP

mona@2ch:~$ sudo /sbin/hdparm -tT /dev/hda
Password:

/dev/hda:
Timing buffer-cache reads: 128 MB in 1.04 seconds =123.08 MB/sec
Timing buffered disk reads: 64 MB in 15.71 seconds = 4.07 MB/sec

9 :login:Penguin:01/10/08 11:19 ID:ChssqrbQ
[root@hoge 1002]# /sbin/hdparm -tT /dev/hdc

/dev/hdc:
Timing buffer-cache reads: 128 MB in 0.23 seconds =556.52 MB/sec
Timing buffered disk reads: 64 MB in 1.89 seconds = 33.86 MB/sec
[root@hoge 1002]# cat /proc/ide/hdc/model
IC35L060AVER07-0

速いのでまんぞくしてます。(クラッシュ時のデータ損失が恐い)

10 :login:Penguin:01/10/08 11:43 ID:6kwEThpY
#hdparm -itT /dev/hda

/dev/hda:

Model=IBM-DTLA-307020, FwRev=TX3OA50C, SerialNo=YHDYHT8T768
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=40
BuffType=DualPortCache, BuffSize=1916kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=40188960
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
Timing buffer-cache reads: 128 MB in 1.77 seconds = 72.32 MB/sec
Timing buffered disk reads: 64 MB in 2.60 seconds = 24.62 MB/sec

11 :ろーぱー:01/10/08 12:35 ID:6jpV9qZI
英語のman 読むのもたるいので,
なにするコマンドか,-tT オプションを含めて
説明希望

12 :12:01/10/08 14:06 ID:XIopq6dc
>>11
俺のにはmanもなかった
No manual entry for hddparm

13 :名無しさん@XEmacs:01/10/08 19:11 ID:5TywJrk2
>9
速いですね。 IDE で 30MB/sec. 越えてるの、はじめて見ました。

>12
いぢめんといて(w
ネタだと思うけど念のため。 man hdparm っす。

14 :ろーぱー:01/10/08 19:14 ID:6jpV9qZI
/dev/hda:
Timing buffer-cache reads: 128 MB in 1.16 seconds =110.34 MB/sec
Timing buffered disk reads: 64 MB in 19.87 seconds = 3.22 MB/sec
[root@fireball]:~-> hdparm -tT /dev/hdb

/dev/hdb:
Timing buffer-cache reads: 128 MB in 1.18 seconds =108.47 MB/sec
Timing buffered disk reads: 64 MB in 6.03 seconds = 10.61 MB/sec

速いのか遅いのかようわからんす

15 :名無し:01/10/08 20:54 ID:2dudWFBA
まあ、平均的なところか。

/dev/hda:

Model=FUJITSU MPG3307AT, FwRev=02B9, SerialNo=VG13P1201DB7
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes, LBAsects=60046560
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 udma0 udma1 *udma2 udma3 udma4 udma5
Timing buffer-cache reads: 128 MB in 0.67 seconds =191.04 MB/sec
Timing buffered disk reads: 64 MB in 2.76 seconds = 23.19 MB/sec

16 :login:Penguin:01/10/08 22:27 ID:czSz2KJ2
disk readが11.96MB/秒か。おそい。

SeagateのST380021Aの購入を検討してるんですが、
誰か使ってる人います?

# cat /proc/ide/hda/model
IBM-DTTA-351010
# hdparm /dev/hda
/dev/hda:
multcount = 16 (on)
I/O support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 1232/255/63, sectors = 19807200, start = 0
# hdparm -tT /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 2.69 seconds = 47.58 MB/sec
Timing buffered disk reads: 64 MB in 5.35 seconds = 11.96 MB/sec

17 :login:Penguin:01/10/08 23:54 ID:KoxKhOak
>>10 との違いは udma5 か?

/dev/hda:

Model=IBM-DTLA-307045, FwRev=TX6OA50C, SerialNo=YMDYMT8V657
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=40
BuffType=DualPortCache, BuffSize=1916kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes, LBAsects=90069840
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: disabled (255)
Drive Supports : ATA/ATAPI-5 T13 1321D revision 1 : ATA-2 ATA-3 ATA-4 ATA-5

Timing buffer-cache reads: 128 MB in 1.23 seconds =104.07 MB/sec
Timing buffered disk reads: 64 MB in 1.95 seconds = 32.82 MB/sec

18 :login:Penguin:01/10/10 15:16 ID:HuZGGXh.
LANより遅いぞっ

Model=IBM-DPTA-351500, FwRev=P54OA30A, SerialNo=JGYJGT0V480
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=34
BuffType=DualPortCache, BuffSize=425kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=4228907259, LBA=yes, LBAsects=29336832
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
Drive Supports : ATA/ATAPI-4 T13 1153D revision 17 : ATA-1 ATA-2 ATA-3 ATA-4
Kernel Drive Geometry LogicalCHS=1826/255/63 PhysicalCHS=29104/16/63
Timing buffer-cache reads: 128 MB in 10.60 seconds = 12.08 MB/sec
Timing buffered disk reads: 64 MB in 11.88 seconds = 5.39 MB/sec

19 :login:Penguin:01/10/10 15:18 ID:HuZGGXh.
も一つ。「Timing buffer-cache reads」がどうにも。

Model=FUJITSU MPE3273AH, FwRev=EH-A2-27, SerialNo=01005815
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=4228907259, LBA=yes, LBAsects=53359376
IORDY=yes, tPIO={min:120,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
Drive Supports : ATA-1 ATA-2 ATA-3 ATA-4
Kernel Drive Geometry LogicalCHS=3321/255/63 PhysicalCHS=52935/16/63
Timing buffer-cache reads: 128 MB in 2.23 seconds = 57.40 MB/sec
Timing buffered disk reads: 64 MB in 2.96 seconds = 21.62 MB/sec

20 :名無しさん@XEmacs:01/10/10 22:11 ID:qkezAymQ
>18
うは、 udma4 で 5.39 MB/sec. って一体(笑)

>9
今気付いたけど Timing buffer-cache reads が 556.52 MB/sec. って
凄まじい…

21 :login:Penguin:01/10/11 00:23 ID:Zh3iQc6.
$ sudo hdparm -iTt /dev/hda

/dev/hda:

Model=IBM-DTLA-307030, FwRev=TX4OA50C, SerialNo=YK0YKT7Q703
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=40
BuffType=DualPortCache, BuffSize=1916kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=60036480
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
Timing buffer-cache reads: 128 MB in 0.98 seconds =130.61 MB/sec
Timing buffered disk reads: 64 MB in 2.46 seconds = 26.02 MB/sec

BXママンなんで、ATA33なのだが、悪い結果ではないのかな。
ATA66/100 を Linuxで使うときに ATA33より体感速度は向上する?

22 :名無しさん@Emacs:01/10/11 00:33 ID:wmItvH/Q
-T
Perform timings of cache reads for benchmark and comparison
purposes. For meaningful results, this operation should be repeated
2-3 times on an otherwise inactive system (no other active processes)
with at least a couple of megabytes of free memory. This displays the
speed of reading directly from the Linux buffer cache without disk
access. This measurement is essentially an indication of the
throughput of the processor, cache, and memory of the system under
test. If the -t flag is also specified, then a correction factor based
on the outcome of -T will be incorporated into the result reported for
the -t operation.

-t
Perform timings of device reads for benchmark and comparison purposes.
For meaningful results, this operation should be repeated 2-3 times on
an otherwise inactive system (no other active processes) with at least
a couple of megabytes of free memory. This displays the speed of
reading through the buffer cache to the disk without any prior caching
of data. This measurement is an indication of how fast the drive can
sustain sequential data reads under Linux, without any filesystem
overhead. To ensure accurate measurments, the buffer cache is flushed
during the processing of -t using the BLKFLSBUF ioctl. If the -T flag
is also specified, then a correction factor based on the outcome of -T
will be incorporated into the result reported for the -t operation.

23 :9:01/10/13 01:45 ID:fngDsoK2
>>20
i850/P4/2GHz/ECC RIMMです。バーストは大したことないけど
もしかすると連続したデータ移動にはi850は強いかも

24 :名無しさん@XEmacs:01/10/13 03:34 ID:zavI0M8w
>23
なるほど。どーりで…
さすが世代が違うって感じですねぇ。

# はぁ、ウチもそろそろ速い機械にしたい…

25 :login:Penguin:01/10/14 01:26 ID:k8e4eXHw
僅差だけどちと速い(@2.4.13-pre2)

[root@hogehoge]# /sbin/hdparm -tT /dev/hdc

/dev/hdc:
Timing buffer-cache reads: 128 MB in 0.22 seconds =581.82 MB/sec
Timing buffered disk reads: 64 MB in 1.86 seconds = 34.41 MB/sec
[root@hogehoge]# cat /proc/ide/hdc/model
IC35L060AVER07-0

13 KB
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