[sclug] restoring grub
Michael Scott
arcadians at onetel.com
Sat Oct 25 09:05:45 UTC 2003
Hi all,
I am in the classic situation of overwriting my grub boatloader after
reinstall of Win 2k Pro. Using RH Linux 9 and trying to restore my dual boot
grub loader. When I try reinstallation from CD adn restore loader it won't
work.
The windows and RH Linux exist on the same hard drive.
I need to restore it on the MBR I understand. Whats the best way to go
about this?
Thanks
Michael
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> Today's Topics:
>
> 1. Hard drive speeds (Neil Haughton)
>
> --__--__--
>
> Message: 1
> Date: Fri, 27 Jun 2003 19:14:10 +0100
> From: Neil Haughton <n.a.haughton at bigfoot.com>
> To: sclug at sclug.org.uk
> Subject: [sclug] Hard drive speeds
>
> >
> >
> >- check if both discs are running at their fastest DMA settings.
'hdparm -i
> > /dev/hdx' will show you the modes available, and the currently selected
mode
> > is marked with an asterisk.
> >
> >
> >
> Both are running aT udma5, apparently the fastest setting.
>
> >>I found that putting the swap partition on the least often accessed
drive
> >>made a bug difference.
> >>
> >>
> >
> >That won't make any difference here, as Neil's benchmarking using the
parent
> >block devices (i.e. /dev/hdx) which should be reading from the rim of the
> >disc - i.e. the fastest part (though these days, physical and logical
> >geometry may not necessarily tally!)
> >
> >Personally, I have two discs, so I stripe my swap partition across the
two,
> >RAID0-style (the swap layer does this automagically if you enable swap on
> >more than one device).
> >
> >
> >derek
> >
> >
>
> Best Regards,
> Alex.
>
>
> I'll try this, but as I have 256M of ram and rarely use swap space I
> can't see that making much difference. However, I was more interested in
> why the IBM drive is only 2/3 of the speed of the Seagate. It seems a
> big difference for two modern same-size same-spindle-speed drives.
>
> Neil Haughton
>
>
>
>
> --__--__--
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