Re: Oracle ASM Problem

BS wrote:
> I have installed Centos and trying to install 10gR2. Wile adding the
> disks to the ASM, I get the error as below
>
> [root_at_whp-lindbmon ~]# /etc/init.d/oracleasm createdisk vol1 /dev/sda10
>
> Marking disk "/dev/sda10" as an ASM disk: Error opening manager: No
> such device or address
>
>
> Any pointers?? The partition sda10 is there.
>
>
> [root_at_whp-lindbmon ~]# fdisk -l /dev/sda
>
>
> Disk /dev/sda: 73.4 GB, 73406742528 bytes
> 255 heads, 63 sectors/track, 8924 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
>
> Device Boot Start End Blocks Id System
> /dev/sda1 * 1 14 112423+ 83 Linux
> /dev/sda2 15 406 3148740 83 Linux
> /dev/sda3 407 667 2096482+ 82 Linux swap
> /dev/sda4 668 8924 66324352+ 5 Extended
> /dev/sda5 668 1320 5245191 83 Linux
> /dev/sda6 1321 1842 4192933+ 83 Linux
> /dev/sda7 1843 2364 4192933+ 83 Linux
> /dev/sda8 2365 2756 3148708+ 83 Linux
> /dev/sda9 2757 3017 2096451 83 Linux
> /dev/sda10 3018 3516 4008186 83 Linux
> /dev/sda11 3517 4015 4008186 83 Linux
> /dev/sda12 4016 4514 4008186 83 Linux

Have you issued the command:

partprobe

or rebooted the machine after creating the devices?

Can you access them with a dd?

dd if=/dev/zero of=/dev/sda10 count=100 bs=4096

Regards

-- 
Fabrizio Magni

fabrizio.magni_at_mycontinent.com

replace mycontinent with europe