Re: [linux-dell-laptops] Re: kinda high-pitched beep/buzz noise when accessing hd
- That's true. I guess I should have been clearer. Anything that he cannot pass
through lilo, it appears he's passing with the hdparm command in rc.local. I
was pointing out that /etc/sysconfig/harddisks is the proper place to set these
options. There's no need to run the hdparm command in the local rc scripts.
> > Why not place these options in your /etc/sysconfig/harddisks file (assuming
> > you're running RedHat)?
> One reason I can think of is that if you can do it in LILO, then
> presumably the higher-performance disk settings would be used as
> soon as possible (might not be a valid presumption). If you put
> it in /etc/sysconfig, you would have to wait until the boot process
> has progressed to a point where the system has mounted root and
> can read /etc/sysconfig. If you use an hdparm command in rc.local,
> you have to wait until the boot process is almost finished before
> you get the performance benefits. So, the earlier in the boot
> process you can get the benefits of DMA, 32 bit I/O, and multi-sector
> reads, the faster you should be able to boot, at least theoretically.
> > Phil
> > > normally when I have booted up, I issue:
> > >
> > > hdparm -d1 -c3 -m16 -X66 -K1 /dev/hda
> > >
> > > I presume placing
> > > append="idebus=66" in the /etc/lilo.conf will eliminate the "-X66"
> > > portion of the hdparm string I issue above, but how can I create
> > > parameters to apply the rest of the string on bootup?
> John Cronin
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