[TriLUG] Slow hard drive Centos 5.6

Ron Kelley rkelleyrtp at gmail.com
Wed Oct 5 13:38:14 EDT 2011

Check to see if the BIOS settings for the HDDs are set for AHCI instead of IDE (or compatible).  /dev/hda implies older IDE drives - thus pointing to the slowness you are experiencing.


Ron Kelley
rkelleyrtp at gmail.com

On Oct 5, 2011, at 1:15 PM, Mike Norwood wrote:

> Hello,
> We have been purchasing Dell Vostro's and loading them with Centos and 
> everything has been working great.  Recently Dell changed their models on 
> their slim tower Vostro's from 230 to 260, which meant they got rid of PCI 
> slots for PCIexpress and got rid of the still useful serial port.  We have 
> been loading Centos 5.6 and it still loads fine and everything works, but 
> the hard drive performance is now so much slower.  It now sees the SATA 
> drive as /dev/hda instead of /dev/sda.   Google searches say to check the 
> bios and make sure all the SATA stuff is turned on, but these Dell 
> computers have very limited bios settings and no real control over 
> anything.  Just wondered if anyone else had ever seen anything similar or 
> had any possible solutions.  
> Thanks in advance,  Mike in Hillsborough
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