Hard drive performance

episode96 · 11-06-2003, 04:13 AM

WESTERN DIGITAL 800JB

/sbin/hdparm -i /dev/hda

/dev/hda:

Model=WDC WD800JB-00CRA1, FwRev=17.07W17, SerialNo=WD-WCA8E6815048
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=40
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
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=no WriteCache=enabled
Drive conforms to: device does not report version:

/sbin/hdparm -Tt /dev/hda

/dev/hda:
Timing buffer-cache reads: 1720 MB in 2.00 seconds = 860.00 MB/sec
Timing buffered disk reads: 140 MB in 3.01 seconds = 46.51 MB/sec

------------------------
SEAGATE ATA V 7200

/sbin/hdparm -i /dev/hdb

/dev/hdb:

Model=ST380011A, FwRev=3.06, SerialNo=5JV1BR2J
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=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=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2:

* signifies the current active mode

/sbin/hdparm -Tt /dev/hdb

/dev/hdb:
Timing buffer-cache reads: 1944 MB in 2.00 seconds = 972.00 MB/sec
Timing buffered disk reads: 166 MB in 3.01 seconds = 55.15 MB/sec

-----------------------------

Was very surprised at first when seeing the results you all were getting when I noticed the date of the thread

Very nice thread indeed

Guru3 · 11-06-2003, 08:24 AM

episode96, why is your drive reading ~2GB instead of ~100-120MB like everyone elses?

ivanatora · 11-06-2003, 09:38 AM

15GB quantum, 3 years old, without any tweaks, kernel 2.4.22, home made

# /usr/sbin/hdparm -Tt /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 2.37 seconds = 54.01 MB/sec
Timing buffered disk reads: 64 MB in 5.55 seconds = 11.53 MB/sec

after hdparm -c 1 d -1:

/dev/hda:
Timing buffer-cache reads: 128 MB in 2.09 seconds = 61.24 MB/sec
Timing buffered disk reads: 64 MB in 4.18 seconds = 15.31 MB/sec

Scruff · 11-06-2003, 04:39 PM

Quote:

Originally posted by episode96
Was very surprised at first when seeing the results you all were getting when I noticed the date of the thread
Very nice thread indeed

Well, the thread was started a long time ago, but there are many recent posts. I am also trying to figure out how your drive managed 1720mb's....

I have a new 7200rpm Maxtor with an 8mb cache and this is my results:

bash-2.05b# hdparm -Tt /dev/hda

/dev/hda:
Timing buffer-cache reads: 1576 MB in 2.00 seconds = 788.00 MB/sec
Timing buffered disk reads: 172 MB in 3.02 seconds = 56.95 MB/sec

Ok. This is weird as hell

I was all ready to post the usual 130mb's or so, and I wound up with 1576. Here is the results I posted last week on this same drive:

bash-2.05b# hdparm -Tt /dev/hda

/dev/hda:
Timing buffer-cache reads: 128 MB in 0.30 seconds =426.67 MB/sec
Timing buffered disk reads: 64 MB in 1.14 seconds = 56.14 MB/sec

Oh, I see. For some reason hdparm decided to use 2 full seconds today, rather than .30 last week. Episode96 also has 2 seconds.

Anyone know why that is? Was hdparm changed during a recent update maybe? I just updated Slack a few days ago...

edsmithers · 11-08-2003, 10:44 PM

I just bought the same Maxtor 7200 w 8MB cache and had been wondering if I was getting the actual performance it is capable of- here's my results:

Timing buffer-cache reads: 128 MB in 0.24 seconds =533.33 MB/sec
Timing buffered disk reads: 64 MB in 1.45 seconds = 44.14 MB/sec

close enough i guess, but are there options to be played with that could increase this to your results?

Scruff · 11-08-2003, 11:01 PM

Try 'man 'hdparm' to get a list of options you can use with it. There is also a decent tutorial here

We might not get the same numbers due to possible differences in the rest of our hardware. i.e. system bus, cpu, IDE controller, etc.

Scruff · 11-08-2003, 11:21 PM

Here's the settings I am using in case that helps:

bash-2.05b# hdparm -i /dev/hda

/dev/hda:

Model=Maxtor 6Y160P0, FwRev=YAR41BW0, SerialNo=Y42943ZE
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
BuffType=DualPortCache, BuffSize=7936kB, MaxMultSect=16, MultSect=16
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 udma6
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: (null):

* signifies the current active mode

bash-2.05b# hdparm -v /dev/hda

/dev/hda:
multcount = 16 (on)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 19929/255/63, sectors = 320173056, start = 0

finegan · 11-10-2003, 02:54 AM

Code:

hdc: Maxtor 4R080L2, ATA DISK drive
blk: queue c043566c, I/O limit 4095Mb (mask 0xffffffff)
hde: Maxtor 4W080H6, ATA DISK drive
blk: queue c0435ad8, I/O limit 4095Mb (mask 0xffffffff)
hdg: Maxtor 4R080L3, ATA DISK drive
blk: queue c0435f44, I/O limit 4095Mb (mask 0xffffffff)

3 80Gig Maxtor ATA133's, 5400rpm, running with two at 100 and one at 33.

Code:

root@melchoir:/home/fin# hdparm -Tt /dev/md0
 
/dev/md0:
 Timing buffer-cache reads:   128 MB in  0.76 seconds =168.42 MB/sec
 Timing buffered disk reads:  64 MB in  2.50 seconds = 25.60 MB/sec

Cheers,

Finegan

randomblast · 11-10-2003, 12:01 PM

here goes a highly embarrasing post...

17GB Seagate ST317242A , udma2, 5 years old falling apart, root filesystem
/dev/hda:
Timing buffered disk reads: 64 MB in 13.50 seconds = 4.74 MB/s

10 yr old Quantum Sirocco 01700A mdma2, 1700MB, my /home, aquired it last week from my sisters buggered-up PC
/dev/hdd:
Timing buffered disk reads: 64 MB in 12.33 seconds = 5.19 MB/sec

WTF!?!?!!!!?!?!
the older secondary IDE hdd is faster than the new primary master???
must be a bottleneck somewhere

DavidPhillips · 11-10-2003, 03:44 PM

laptop 60GB

/dev/hda:
Timing buffer-cache reads: 128 MB in 0.47 seconds =272.96 MB/sec
Timing buffered disk reads: 64 MB in 2.25 seconds = 28.39 MB/sec

crashmeister · 11-12-2003, 04:22 AM

Cheapass Toshiba laptop:

Timing buffer-cache reads: 1476 MB in 2.00 seconds = 737.63 MB/sec
Timing buffered disk reads: 72 MB in 3.02 seconds = 23.85 MB/sec

Better than expected - Redhat doesn't do dma and doesn't let me enable it for some reason With gentoo things worked fine.

jayakrishnan · 11-12-2003, 04:34 AM

Comp Spec
---------------

Celeron@550 MZ
128 MB RAM
Intel Motherboard

HardDisk SPec
------------------

/dev/hda:

ATA device, with non-removable media
Model Number: ST310212A
Serial Number: 5EG0H4KW
Firmware Revision: 3.02
Standards:
Supported: 5 4 3 2
Likely used: 5
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 20005650
device size with M = 1024*1024: 9768 MBytes
device size with M = 1000*1000: 10242 MBytes (10 GB)
Capabilities:
LBA, IORDY(can be disabled)
bytes avail on r/w long: 4 Queue depth: 1
Standby timer values: spec'd by Standard
R/W multiple sector transfer: Max = 32 Current = 32
Advanced power management level: unknown setting (0x0040)
DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=240ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* READ BUFFER cmd
* WRITE BUFFER cmd
* Host Protected Area feature set
* Look-ahead
* Write cache
* Power Management feature set
* SMART feature set
* Advanced Power Management feature set
* DOWNLOAD MICROCODE cmd
HW reset results:
CBLID- below Vih
Device num = 0 determined by the jumper
Checksum: correct

Result of the command : hdparam -Tt /dev/hda

------------------------
Timing buffered cache reads : 128 MB in 1.22 Sec
Timing buffered disk reads : 64 MB in 2.9 Sec = 22.07 MB/Sec

Harddisk is some 4 yrs old

jayakrishnan · 11-12-2003, 04:50 AM

cant understand i checked my other comp with 10 BG SCSI harddisk

64 MB in 3:47 seconds

chup · 11-12-2003, 03:20 PM

Code:

/dev/hda:
 Model=Maxtor 91021U2, FwRev=FA520N60, SerialNo=G24LC7CC
 Config={ Fixed }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
 BuffType=DualPortCache, BuffSize=512kB, MaxMultSect=16, MultSect=16
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=19746720
 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 
 AdvancedPM=yes: disabled (255) WriteCache=enabled
 Drive conforms to: ATA/ATAPI-4 T13 1153D revision 17:  1 2 3 4 5

 Timing buffer-cache reads:   128 MB in  1.19 seconds =108.02 MB/sec
 Timing buffered disk reads:  64 MB in  2.59 seconds = 24.71 MB/sec

Code:

/dev/hdb:
 Model=Maxtor 6Y080L0, FwRev=YAR41BW0, SerialNo=Y263WG9E
 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=160086528
 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):  1 2 3 4 5 6 7

 Timing buffer-cache reads:   128 MB in  1.17 seconds =109.40 MB/sec
 Timing buffered disk reads:  64 MB in  1.29 seconds = 49.42 MB/sec

håkon · 11-12-2003, 05:56 PM

Timing buffer-cache reads: 1168 MB in 2.00 seconds = 584.00 MB/sec
Timing buffered disk reads: 8 MB in 3.51 seconds = 2.28 MB/sec <-- haha the power of not getting DMA to work... Its an Western Digital 'cuda' 120GB 7200rpm 8MB cache

Anyone got any advice for getting this to work?