[CentOS] Extremely slow disk transfers with SATA disks
chrism at imntv.com
Thu Mar 23 14:56:58 UTC 2006
Vanja Hrustic wrote:
> On Thu, 23 Mar 2006 09:44:09 -0500
> Chris Mauritz <chrism at imntv.com> wrote:
>> Vanja Hrustic wrote:
>>> I have installed CentOS 4.2, recently, on new computer.
>>> Everything seemed to work fine.
>>> However, we've found out that disk transfers are incredibly slow,
>>> and I just can't figure out what to do in order to fix it.
>>> Computer is now running CentOS 4.3 (updated it 1 hour ago), and same
>>> thing is still present. I hoped kernel upgrade might fix it, but it
>> I am having similar issues with an Intel 845 based board. It sounds
>> like your disks are running in PIO rather than in UDMA mode.
> Erm, if I'm not wrong, SATA uses DMA 'by default', it's not something
> we can change.
> Thanks anyway :)
Could be. I'm certainly not an expert on the subject. If/when you get
it fixed, I'd appreciate it if you'd post your solution. Maybe it will
help others (like me!) out.
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