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SubjectRe: Poor performance during disk writes
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On Mon, 2001-12-17 at 19:36, jlm wrote:
> On Mon, 2001-12-17 at 20:09, Reid Hekman wrote:
>
> > Specific kernel version, df, & hdparm output would all be helpful.
> /usr 24> uname -a
> Linux PC2 2.4.16 #1 Sun Dec 2 15:26:09 EST 2001 i586 unknown

Is PCI IDE support for your chipset compiled in? PCI DMA by default?

> non-removable ATA device, with non-removable media
> Model Number: ST320413A
> Serial Number: 6ED2305M
> Firmware Revision: 3.39
[...]
> Capabilities:
> LBA, IORDY(can be disabled)
> Buffer size: 512.0kB Queue depth: 1
> Standby timer values: spec'd by standard
> r/w multiple sector transfer: Max = 16 Current = 16
> DMA: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 udma5
> Cycle time: min=120ns recommended=120ns

Can you set udma on the drive instead?

> - Dave Olson

Regards,
Reid

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