Question about linux and AMD based chipsets/onboard raid

[Brian Cluff]

Hmmmm, that should have been good enough, but I guess they could have 
put it in the middle.  It's not unheard of.

Like I said, something is triggering that device mapper on your drive, 
so there has to be something on the drive that it likes.

Brian Cluff

On 10/18/2012 07:04 PM, Stephen wrote:
> Generally i run the quick zero which is the first and last 300mb i hiess
> the next step is finding a home for the data and the 10+ hours to zero
> the long way.
>
> On Oct 18, 2012 6:45 PM, "Brian Cluff" <brian at snaptek.com
> <mailto:brian at snaptek.com>> wrote:
>
>     Did you zero the drive all the way to the end, or just the first
>     part. Also maybe you zeroed the partition and not the drive? Many of
>     the raid superblocks are at the very end of the drive, and it would
>     still be catching them if you haven't done the whole thing.
>
>     I really think this is whats happening since the Device Mapper is
>     trying to grab hold of it.
>
>     Brian Cluff
>
>     On 10/18/2012 12:50 PM, Stephen wrote:
>
>         well  4 of the 6 drives involved are actively part of a raid.
>         the one
>         i am using for Linux was already 0ed for that very reason, i do
>         still
>         have a usb HDD still attached so i will try disconnecting that.
>
>         odd thing is i was able to boot a 10.10x64 no issue and installed
>         there and have been doing dist-upgrades to current. i will take
>         a 2nd
>         look but its is really puzzling.
>
>         I will certainly have to keep an eye out. I haven't even figured out
>         how i'm going to configure grub yet to get multiple boot set up.
>         i may
>         leave it ghetto and just use bios.
>
>         On Thu, Oct 18, 2012 at 12:31 PM, Brian Cluff <brian at snaptek.com
>         <mailto:brian at snaptek.com>> wrote:
>
>             The fact that the device mapper is getting involved with the
>             drive leads me
>             to believe that the drive was part of a raid, or at least
>             configured by your
>             raid controller at one time and there is now a superblock on
>             it that is
>             messing up everything.
>             You'll probably need to zero out that superblock before
>             things will start to
>             behave correctly.
>
>             Brian Cluff
>
>
>             On 10/17/2012 07:42 PM, Stephen 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?
>
>
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