i would like to know if i could improve too, here is data for my disks
(3 disks):
hda:
[EMAIL PROTECTED] redeeman # hdparm -tT /dev/hda
/dev/hda:
Timing buffer-cache reads: 808 MB in 2.01 seconds = 401.99 MB/sec
Timing buffered disk reads: 102 MB in 3.05 seconds = 33.44 MB/sec
[EMAIL PROTECTED] redeeman # hdparm /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 = 7474/255/63, sectors = 120069936, start = 0
[EMAIL PROTECTED] redeeman # hdparm -i /dev/hda
/dev/hda:
Model=Maxtor 4D060H3, FwRev=DAH017K0, SerialNo=D3H7MPTE
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=120069936
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-6 T13 1410D revision 0:
* signifies the current active mode
#################################################
hdc:
[EMAIL PROTECTED] redeeman # hdparm -tT /dev/hdc
/dev/hdc:
Timing buffer-cache reads: 812 MB in 2.01 seconds = 403.98 MB/sec
Timing buffered disk reads: 142 MB in 3.00 seconds = 47.33 MB/sec
[EMAIL PROTECTED] redeeman # hdparm /dev/hdc
/dev/hdc:
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 = 14946/255/63, sectors = 240121728, start = 0
[EMAIL PROTECTED] redeeman # hdparm -i /dev/hdc
/dev/hdc:
Model=Maxtor 6Y120L0, FwRev=YAR41VW0, SerialNo=Y4091JNE
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=240121728
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
#################################################
hdd:
[EMAIL PROTECTED] redeeman # hdparm -tT /dev/hdd
/dev/hdd:
Timing buffer-cache reads: 792 MB in 2.00 seconds = 396.00 MB/sec
Timing buffered disk reads: 154 MB in 3.03 seconds = 50.83 MB/sec
[EMAIL PROTECTED] redeeman # hdparm /dev/hdd
/dev/hdd:
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
[EMAIL PROTECTED] redeeman # hdparm -i /dev/hdd
/dev/hdd:
Model=Maxtor 6Y160P0, FwRev=YAR41VW0, SerialNo=Y60D80ME
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
On Thu, 2003-10-30 at 15:17, Craig Main wrote:
> Hi all,
>
> I have been looking at the speeds of the disks in some of the threads
> lately. I noticed that mine is a lot slower than most. I have attached
> some info. Is my disk running as optimally as it can or is there some
> more tweaking I can do to improve performance?
>
> laptop root # hdparm -tT /dev/hda
>
> /dev/hda:
> Timing buffer-cache reads: 644 MB in 2.00 seconds = 322.00 MB/sec
> Timing buffered disk reads: 22 MB in 3.25 seconds = 6.77 MB/sec
>
> laptop root # hdparm /dev/hda
>
> /dev/hda:
> multcount = 16 (on)
> IO_support = 1 (32-bit)
> unmaskirq = 0 (off)
> using_dma = 0 (off)
> keepsettings = 0 (off)
> readonly = 0 (off)
> readahead = 8 (on)
> geometry = 2432/255/63, sectors = 39070080, start = 0
>
> laptop root # hdparm -i /dev/hda
>
> /dev/hda:
>
> Model=HITACHI_DK23CA-20, FwRev=00H1A0J1, SerialNo=12N68B
> Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
> RawCHS=16383/16/63, TrkSize=36477, SectSize=579, ECCbytes=4
> BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
> CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=39070080
> IORDY=yes, tPIO={min:400,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 udma3 udma4 udma5
> AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
> Drive conforms to: ATA/ATAPI-5 T13 1321D revision 3:
>
> * signifies the current active mode
>
> What other hdparm flags can I _safely_ use, I don't want to trash my
> disk.
>
> Thanks and Regards
> Craig
>
> --
> Craig Main
> RHCE
> ST Solutions
> Cell: 082-323-4670
> Home Tel: 011-760-1900
> AIM: SATuxman; ICQ: 75815570
> http://www.stsolutions.co.za
> http://www.linuxsa.com
>
>
> ____________________________
> I can't believe I ate the whole thing. -- Homer Simpson The Front
--
Regards, Redeeman
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