Oracle on RHEL4 with ASM problem

[Tom Callahan]

I just tried this exact same exercise, and I get the same errors......

I realize it says you must use raw devices in the document that was 
linked......but I don't know if I believe it. I would belive that the 
ASMLIB for Linux may not support System-based adding of raw devices, and 
that you may have to do it within the ASM instance.....

I would try this on a test instance if you can, but try logging into the 
ASM instance and issue the following:

< alter diskgroup YOURDSKGRP add disk '/dev/raw/raw1' rebalance power 8; >

This will attempt to add the new disk, and rebalance the ASM 
Storage..... But again, PLEASE do this on a Test or Dev box....

This may require and Oracle TAR asking about ASM and Block vs. Character 
devices.

Tom Callahan
TESSCO Technologies
Desk: (410)-229-1361
Cell: (410)-588-7605
Email: callahant at tessco.com

A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.



Lunt, Nick wrote:

>  
>
>>-----Original Message-----
>>From: Tom Callahan [mailto:callahant at tessco.com]
>>    
>>
> 
>  
>
>>Go into /etc/udev/permissions.d/50-udev-permissions and ABOVE the 
>>exising lines for raw devices, put the following:
>>
>># Oracle 10g Devices
>>raw/raw1:oracle:oinstall:0640
>># End Oracle 10g Devices
>>
>>
>>You can add rawdevices to that list as well. You MUST do this 
>>with UDEV, 
>>and it has to be above the existing raw* lines, otherwise it will not 
>>work correctly.
>>    
>>
>
>Thanks Tom,
>
>I did as you suggested and now the permissions on /dev/raw/raw1 change to oracle:oinstall when I restart rawdevices but I still get this error when I add in raw1 to ASM :
>
>[root at bounty sysconfig]$ /etc/init.d/oracleasm createdisk VOL14 /dev/raw/raw1
>Marking disk "/dev/raw/raw1" as an ASM disk: asmtool: Unable to open device "/dev/raw/raw1": Block device required [FAILED] 
> 
>[root at bounty sysconfig]$ ll /dev/raw
>total 0
>crw-r-----  1 oracle oinstall 162, 1 May  8 13:30 raw1
>
>[root at bounty sysconfig]$ grep raw1 /etc/udev/permissions.d/50-udev.permissions
>raw/raw1:oracle:oinstall:0640
>
>[root at bounty sysconfig]$ service rawdevices status
>/dev/raw/raw1:  bound to major 8, minor 240
>
>Cheers,
>Nick .
>
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