Re: ORA-15042: ASM disk "xx" is missing

From: Fergal Taheny <>
Date: Thu, 3 Jan 2013 10:17:46 +0000
Message-ID: <>

Hi Dimitre,
Yeah I read that note and did a truss but no help there and v$asm_disk doesn't show the missing disks either.

I think you must be right. It has to be somewhere on the disk but it's just not easy to find.

I think I'll give up on this one. The old alert log seems to be the way to go.


On 3 January 2013 10:03, Radoulov, Dimitre <> wrote:

> On 03/01/2013 09:57, Fergal Taheny wrote:
>> Unfortunately it only gives me info relating to the disks it can see. I'm
>> trying to find out where ASM stores data relating to the other missing
>> disks.
> Hi Fergal,
> I _suppose_ that asm stores all this info in the asm files, despite we're
> not able to find something obvious in the output of kfed/dd etc.
> Check the following Note on MOS: TROUBLESHOOTING - ASM disk not
> found/visible/discovered issues [ID 452770.1]:
> there is a section Use OS utilities to determine which disk cannot be
> found suggesting that TRUSSing or STRACEing the RBAL process
> while selecting * from v$asm_disk should reveal the missing device names.
> Regards
> Dimitre

Fergal Taheny
Pentec IT Limited
2 knightsbrook court, Dublin Road, Trim, Co. Meath.
+353 (0) 87 9823137

This email and any files transmitted with it are confidential and intended
solely for the use of the individual or entity to whom they are addressed.
If you have received this email in error please notify us immediately.  It
is possible for data transmitted by email to be deliberately or
accidentally corrupted or intercepted. For this reason, where the
communication is by email, Pentec IT does not accept any responsibility for
any breach of confidence which may arise through the use of this medium.
Pentec IT Limited is Registered in Ireland: No 443280 with a registered
office at 2 Knightsbrook Court, Dublin Road, Trim, Co. Meath. Company
Directors: Fergal Taheny, Caitriona Ni Riain.

Received on Thu Jan 03 2013 - 11:17:46 CET

Original text of this message