Re: Question about linux and AMD based chipsets/onboard raid

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Author: Michael Butash
Date:  
To: plug-discuss
Subject: Re: Question about linux and AMD based chipsets/onboard raid
Do you have any flash drives or anything connected it's getting confused
with? Occasionally my computer will reboot with a few flash drives I
have I forget can/are bootable and my system will boot foreignly
freaking me out for 2 seconds until I scowl and disconnect the flash.
When I don't, I go on a goose chase forgetting about it, and usually
ends up a flash disk plugged in somewhere.

Otherwise I'll say your system is still seeing the disks and trying to
boot a raw partition vs using the fakeraid labels. Windoze loves mbr,
linux tends to be partition based with supersector, add in fakeraid, and
I never had a good time trying. The os usually still sees the disks
present, so wouldn't surprise me if the bootloader and kernel get them
confused in reference as udev builds device resources. Might need to
hack around with udev to NOT see them if the bios doesn't have an option
to hide them entirely (or fix a bug potentially not hiding them).

I insisted on raid1 for both, what usually worked for me was using linux
first, or your /boot partition first, then windoze, then another
partition as a lvm for ubuntu. If windoze is first, it always screws
with it, aside from just frying your mbr. As long as the first
partition is neutral, they seem to both behave. I made the raid disk
partition a first 200mb slice to use for /boot first, second a win
partition, third linux. Partition the three with a bootable linux
cd/flash first to the /dev/mapper/<raid disk> devices but don't install
it, reboot/install windoze (xp at least, ymmv above as I don't know),
then install ubuntu with /boot on first and everything else in the third
(I do lvm pv here), and install grub to mbr to overwrite windoze's.

This worked reliably with both then until a nforce bios update incident
changed the uuid hash for it and breaking grub and windoze from booting.
I was not amused, and put a knife into ever using fakeraid again.
Google the term and you'll read the hate stories too rife with issues.
By that point I used only ubuntu anyways, so just ran software raid
since mostly reliably.

Windoze lives in a vm entirely for me nowadays, but then again I don't
game on it either, so I can. Vbox 3d drivers in win vm are still poop
and made the host unstable for me to try and game. Only purpose I has
for windoze was games and visio, visio works dandy in 2d. Rest I have
consoles for, though I can't do fps without wsad and a mouse for the
life of me.

-mb


On 10/18/2012 07:30 AM, Dazed_75 wrote:
> You said you were installing ubuntu to the independent drive (and one of
> the messages indicates sdb), but where is it putting GRUB? You may need
> to use the advanced option to place GRUB on that same drive. Sorry, I
> don't know what screen the option is on during install but it used to be
> in the lower right corner. Seems like it would be on the screen where
> you accept all the changes before actually proceeding with the install.
>
> On Wed, Oct 17, 2012 at 7:42 PM, Stephen <
> <mailto:cryptworks@gmail.com>> wrote:
>
>     I have an AMD based chiset and i am trying to get ubuntu to boot right
>     now and it is stalling, and i am having trouble ironing out what is
>     going on.

>
>     I have onbaord raid drives attached to the onboard raid chipset
>     (SB710) however i am not intending to install to those drives the
>     drive i wish to install to is actually a SATA connected single drive
>     but i am having the worst time getting Ubuntu 12.04 to even finish its
>     boot cycle. and im not getting allot of feedback.

>
>     The errors i am getting are ata_id[336]: HDIO_GET_IDENTITY failed for
>     '/dev/sdb': Invalid argument
>     - this is with all Raid disks disconnected and raid turned off in
>     bios. just a single SATA HDD

>
>     I get one of the two following errors if i have raid disks attached

>
>     A similar entry as above comes up or i get
>     udevd[167] inotify_add_watch(6, /dev/dm-1, 10) failed: No Such file
>     or directory

>
>     the most promising option i have so far is booting with nodmraid but
>     it seems to just hang and go no place after detecting my CDrom devices

>
>     This is rather perplexing overall.

>
>     Ideally i would like my 2 onboard raids to be connected running
>     windows and then let linux run amok on my extra sata hdd but it either
>     is really pissed off in a way i cannot figure out or it really does
>     not like that port.

>
>     Anyone have any thoughts?
>     --
>     A mouse trap, placed on top of your alarm clock, will prevent you from
>     rolling over and going back to sleep after you hit the snooze button.

>
>     Stephen
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>
>
>
> --
> Dazed_75 a.k.a. Larry
>
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