Re: 2.6.0 performance problems

From: Martin Schlemmer
Date: Mon Dec 29 2003 - 18:43:35 EST


On Tue, 2003-12-30 at 01:05, Thomas Molina wrote:

> Sorry. One other bit of data from 2.6:
>
> [root@lap bitkeeper]# hdparm -i /dev/hda
>
> /dev/hda:
>
> Model=IBM-DJSA-220, FwRev=JS4OAC3A, SerialNo=44V44FT3300
> Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
> BuffType=DualPortCache, BuffSize=1874kB, MaxMultSect=16, MultSect=16
> CurCHS=17475/15/63, CurSects=16513875, LBA=yes, LBAsects=39070080
> 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
> AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
> Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1:
>
> * signifies the current active mode

Any reason it is currently set to udma2 where it support udma4 ?


--
Martin Schlemmer

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