Slow disk?

Braveheart1980 · 09-18-2006, 06:19 PM

I just tested my hd for speed using hdparm

Code:

localhost anakin # hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads:   72 MB in  3.04 seconds =  23.68 MB/sec
localhost anakin #

I believe that is TOO low!

My hd is a 80 wd pata drive :

Code:

localhost anakin # cat /proc/ide/hda/model
WDC WD800JB-00ETA0
localhost anakin #

I have even tried this

Code:

hdparm -c 1 -d 1 -k 1 /dev/hda

, but it didn't help quite much

My ide chipset is

Code:

localhost anakin # lspci |grep -i ide
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 02)
localhost anakin #

Why is my drive sooooooooo slow?

What should i do ??

PS

Code:

localhost anakin # hddtemp /dev/hda
/dev/hda: WDC WD800JB-00ETA0: 45 C

. Looks normal

crashmeister · 09-18-2006, 06:55 PM

Are you running some exotic kernel patches or something else in the background?

Braveheart1980 · 09-18-2006, 06:59 PM

Quote:

Originally Posted by crashmeister

Are you running some exotic kernel patches or something else in the background?

Nope

I just noticed that in your post in the other thread that your udma is 5
Mine is 2

But strange enough i can't set it over udma2!

Code:

localhost ~ # hdparm -X udma3 /dev/hda && hdparm -i /dev/hda

/dev/hda:
 setting xfermode to 67 (UltraDMA mode3)

/dev/hda:

 Model=WDC WD800JB-00ETA0, FwRev=77.07W77, SerialNo=WD-WCAHL4796641
 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=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: Unspecified:  ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6

 * signifies the current active mode

The same happens with udma 3,4 and 5!
I mean i set it ok,but then the hdparm -i , informs me that the udma mode is still 2!
Any ideas what is going on?

crashmeister · 09-18-2006, 07:19 PM

Didn't even see the udma2 thing - must be getting old.
That definitely is a problem.I get the same speed like you with udma2.
Try to check with the BIOS what is enabled there - heck I don't even know if Linux cares about the BIOS settings there.Might make sense to try what 'dmesg | grep UDMA' spits out and then check what is enabled in the BIOS.

Braveheart1980 · 09-18-2006, 07:26 PM

Well..

Code:

localhost anakin # dmesg | grep UDMA
hda: 156301488 sectors (80026 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(33)
ide0: Speed warnings UDMA 3/4/5 is not functional

WoW!Not functional!

But my hard drive supports udma up to 6!

Code:

localhost anakin # hdparm -I /dev/hda

/dev/hda:

ATA device, with non-removable media
        Model Number:       WDC WD800JB-00ETA0
        Serial Number:      WD-WCAHL4796641
        Firmware Revision:  77.07W77
Standards:
        Supported: 6 5 4 3
        Likely used: 6
Configuration:
        Logical         max     current
        cylinders       16383   65535
        heads           16      1
        sectors/track   63      63
        --
        CHS current addressable sectors:    4128705
        LBA    user addressable sectors:  156301488
        LBA48  user addressable sectors:  156301488
        device size with M = 1024*1024:       76319 MBytes
        device size with M = 1000*1000:       80026 MBytes (80 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        bytes avail on r/w long: 74     Queue depth: 1
        Standby timer values: spec'd by Standard, with device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 16
        Recommended acoustic management value: 128, current value: 254
        DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=120ns  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
                Security Mode feature set
                SMART feature set
           *    FLUSH CACHE EXT command
           *    Mandatory FLUSH CACHE command
           *    Device Configuration Overlay feature set
           *    48-bit Address feature set
           *    Automatic Acoustic Management feature set
                SET MAX security extension
           *    DOWNLOAD MICROCODE cmd
           *    SMART self-test
           *    SMART error logging
Security:
                supported
        not     enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by CSEL
Checksum: correct

I checked in BIOS and i have a problem even there!
In auto mode it detects my hd as udma2
If i set it to manual mode and change the value of udma to 5 , i can't boot to linux !

Is it a hard drive error?A BIOS error?

What is going on after all?!?

crashmeister · 09-18-2006, 07:34 PM

I'd try to update the BIOS.
I doubt the udma6 thing though.Igot two of those drives and they both wont go over udma5 in the BIOS.

Braveheart1980 · 09-18-2006, 07:58 PM

Quote:

Originally Posted by crashmeister

I'd try to update the BIOS.
I doubt the udma6 thing though.Igot two of those drives and they both wont go over udma5 in the BIOS.

Unfortunatelly i have the latest BIOS!(My mobo is Asus P4G8X)
D@mn!

Now i've set the udma mode in BIOS as disabled , but it still doesn't work

If i set it 3 in bios , nothing major happens
If i set it to 4,the pc won't boot at all and if i set it to 5 linux will crash during boot!

crashmeister · 09-18-2006, 08:35 PM

Just checking - do you got a shielded 80 pin cable on that thing right??

carl0ski · 09-18-2006, 10:06 PM

Quote:

Originally Posted by crashmeister

Just checking - do you got a shielded 80 pin cable on that thing right??

anything less than ata 100 or shorter than 30 cm i have never noticed the need of special shielded IDE cables

however lets see your HDD in action

hdparm -tT /dev/hda

my result is
Timing cahche 319MBsec
Buffered Dis Reads 15.9MB/s

Braveheart1980 · 09-19-2006, 01:36 AM

Well,i'll try changing the ide cable,maybe that'll fix it

carl0ski if 15,9 MB/sec is the read speed from your 200gb sata II disks,then you have a problem bigger than mine!!

Any other ideas would be greatly appreciated!

crashmeister · 09-19-2006, 04:27 AM

carl0ski - pardon my insensitivity but is that some cruel kind of joke or do you really get 16MB/s with that hardware?

Braveheart1980 · 09-19-2006, 05:49 PM

I plugged out my dvd/cd ide drives and now the auto setting in bios for my hd drive goes to udma5 automatically!

But watch this veeeeeeery careful

Code:

localhost anakin # hdparm -tT /dev/hda

/dev/hda:
 Timing cached reads:   2384 MB in  2.00 seconds = 1191.69 MB/sec
 Timing buffered disk reads:  162 MB in  3.03 seconds =  53.42 MB/sec
localhost anakin # hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads:   82 MB in  3.04 seconds =  26.99 MB/sec
localhost anakin # hdparm -tT /dev/hda

/dev/hda:
 Timing cached reads:   2372 MB in  2.00 seconds = 1185.27 MB/sec
 Timing buffered disk reads:  162 MB in  3.01 seconds =  53.76 MB/sec
localhost anakin # hdparm /dev/hda

/dev/hda:
 multcount    = 16 (on)
 IO_support   =  3 (32-bit w/sync)
 unmaskirq    =  0 (off)
 using_dma    =  1 (on)
 keepsettings =  1 (on)
 readonly     =  0 (off)
 readahead    = 256 (on)
 geometry     = 16383/255/63, sectors = 156301488, start = 0
localhost anakin # hdparm -i /dev/hda

/dev/hda:

 Model=WDC WD800JB-00ETA0, FwRev=77.07W77, SerialNo=WD-WCAHL4796641
 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=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: Unspecified:  ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-                                                                            4 ATA/ATAPI-5 ATA/ATAPI-6

 * signifies the current active mode

localhost anakin #

udma is now set to 5
BUT why do i get higher speeds(double to be acurate) if i do a hdparm -tT , then when doing a hdparm -t ?

carl0ski · 09-20-2006, 03:42 AM

Quote:

Originally Posted by crashmeister

carl0ski - pardon my insensitivity but is that some cruel kind of joke or do you really get 16MB/s with that hardware?

lol no i was at work and on a P3 Notebook computer

Only one with Linux on it to demonstrate

Code:

linux-carl:/home/carl0ski # hdparm -Tt /dev/md0
/dev/md0:
 Timing cached reads:   3048 MB in  2.00 seconds = 1524.59 MB/sec
 Timing buffered disk reads:  272 MB in  3.01 seconds =  90.37 MB/sec

/dev/sda:
 Timing cached reads:   3240 MB in  2.00 seconds = 1621.66 MB/sec
 Timing buffered disk reads:  180 MB in  3.03 seconds =  59.42 MB/sec

/dev/sdb:
Timing cached reads: 3032 MB in  2.01 seconds = 1511.51 MB/sec
Timing buffered disk reads:  184 MB in  3.01 seconds =  61.15 MB/sec

/dev/sdc:
 Timing cached reads:   3028 MB in  2.00 seconds = 1514.80 MB/sec
 Timing buffered disk reads:  180 MB in  3.01 seconds =  59.84 MB/sec

/dev/sdd:
 Timing cached reads:   3136 MB in  2.00 seconds = 1568.66 MB/sec
 Timing buffered disk reads:  194 MB in  3.03 seconds =  64.07 MB/sec

Look a little better?

crashmeister · 09-20-2006, 05:43 AM

Quote:

Originally Posted by carl0ski

Look a little better?

Now that's a beauty

braveheart:

Don't know about the options you got there mine look by default like this:

/dev/hda:
multcount = 0 (off)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)

and that gives me:

/dev/hda:
Timing buffered disk reads: 166 MB in 3.01 seconds = 55.09 MB/sec

Although I wouldn't get too worked up about hdparm readings.For example I always get a lower value on the first run:

/dev/hda:
Timing cached reads: 2296 MB in 2.00 seconds = 1147.34 MB/sec
Timing buffered disk reads: 134 MB in 3.03 seconds = 44.19 MB/sec
kaiser:/home/klaus# hdparm -tT /dev/hda

/dev/hda:
Timing cached reads: 2296 MB in 2.00 seconds = 1146.89 MB/sec
Timing buffered disk reads: 174 MB in 3.06 seconds = 56.91 MB/sec

After all hdparm ain't a fullblown benchmarking suite.

Really don't see what the DVD got to do with it except it is the cable or somethings wrong with the DVD or the jumpers - got 3 ATA HDD's and a DVD on my box and that doesn't affect the hdparm thingy a bit although it is different hardware (AMD64).

Braveheart1980 · 09-20-2006, 06:46 AM

With the same settings :

Code:

localhost anakin # hdparm  /dev/hda

/dev/hda:
 multcount    =  0 (off)
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  1 (on)
 readonly     =  0 (off)
 readahead    = 256 (on)
 geometry     = 16383/255/63, sectors = 156301488, start = 0
localhost anakin # hdparm  -t /dev/hda

/dev/hda:
 Timing buffered disk reads:   96 MB in  3.04 seconds =  31.58 MB/sec
localhost anakin # hdparm  -tT /dev/hda

/dev/hda:
 Timing cached reads:   2224 MB in  2.00 seconds = 1112.63 MB/sec
 Timing buffered disk reads:  154 MB in  3.03 seconds =  50.83 MB/sec

I start to wonder if i should rebuild my kernel with something special for my mobo
Does anyone know where specifically should i try to find something like that in menucofig?