[ubuntu-za] Failed RAID boot

[Hilton Gibson]

Hi Charl

About 4 yrs ago I was asked to help with a software raid setup.
No luck. Eventually they bought a hardware raid card.

My suggestion is to have small boot partition (/boot) that is not 
software raid.
This partition will be able to load the kernel, initialize your software 
raid setup and then boot.

Cheers

hg

On 31/10/2010 09:01, Charl Wentzel wrote:
> Hi Guys
>
> I just got some brand new Intel Blade servers to install Ubuntu server
> on.  But for the first time I'm not able to get it to run.
>
> In short I have 2 500GB hard drives with 3 partitions each combined into
> 3 RAID1 partitions as follows:
>
> /dev/sda1 + /dev/sdb1 =>  /dev/md0 =>  /     (45 GB)
> /dev/sda2 + /dev/sdb2 =>  /dev/md1 =>  /kvm  (450 GB)
> /dev/sda3 + /dev/sdb3 =>  /dev/md2 =>  swap  (5.1 GB)
>
> The installation process completes without a glitch, but the boot fails
> with the following output:
>
>    mount: mounting /dev/disk/by-uuid/a3c31122-6794-4fa6-a039-91d49dadfa8a
>    on /root
>    failed: Invalid argument
>    mount: mounting /sys on /root/sys failed: No such file or directory
>    mount: mounting /dev on /root/dev failed: No such file or directory
>    mount: mounting /sys on /root/sys failed: No such file or directory
>    mount: mounting /proc on /root/proc failed: No such file or directory
>    Target filesystem doesn't have /sbin/init.
>    No init found. Try passing init = bootarg.
>
>    BusyBox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu7) built-in shell (ash)
>    Enter 'help' for a lit of built in commands.
>
>    (initramfs)
>
> I haven't yet found something on google that solves the problem.
> Anybody else that got it fixed?
>
> I have two (brand new) blade servers, and both do the same thing, so it
> does not appear to be a hardware failure.
>
> Important Specs:
> - SR1600URHSR - INTEL 1U URBANA PLATFORM SR1600URHS (REFRESHED)
> - ASR1500SASBP - SR1500 ACC SAS BACKPLANE
> - 1 x BX80602E5506 - INTEL XEON 5506 - 2.13GHz
> - 3 x TS256MLK72V1U - TRANSCEND 2GB DDR3 1066 ECC DIMM 7-7-7
> - 2 x ST3500418AS - SEAGATE 500GB SATA 7200RPM 16MB CACHE
>
> Regards
> Charl
>
>
>
>
>

-- 
Hilton Gibson
Systems Administrator
JS Gericke Library
Room 1053
Stellenbosch University
Private Bag X5036
Stellenbosch
7599
South Africa

Tel: +27 21 808 4100 | Cell: +27 84 646 4758

"Simplicity is the ultimate sophistication"
	Leonardo da Vinci

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