Re: Raid 1 install revealed poor HD performance (I think)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 17 May 2005, Jay Strauss wrote:

> I'm very unfamiliar with options for speeding up hard drive access.
> What might Knoppix be setting (and how would I look for it), that it's
> getting 100% better drive performance than a plain jane Sarge install?

The usual culprit is DMA. (Or lack of it in your case)

What does

  hdparm /dev/hda

give under each OS?

You can use hdparm to enable DMA, but this doesn't always work - the real
solution is to work out what type of IDE controller you have and make sure
it's compiled into your kernel.

Gordon
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux