Re: ODA 11gR2 DBs Restart with _1 Suffix

From: Viljo Hakala <viha_at_kapsi.fi>
Date: Wed, 28 Oct 2015 22:31:01 +0200
Message-ID: <20151028203101.GA21035_at_lakka.kapsi.fi>



_1 instances also refer to RAC ONE NODE databases.

Rac One Node DB is like active/passive DB in a RAC cluster with the exception that the DB can be relocated online.

On Fri, Oct 23, 2015 at 07:56:06PM +0000, Jack Applewhite wrote:
> This morning we had all four standalone databases on one node of an X4 ODA abort, then restart on their own with new instance names having the _1 suffix. We think we know the problem - a break in communication with the ASM instance, as shown in the alert logs. We've opened an SR with Oracle, but haven't had spotty luck with their knowledge of all things ODA.
>
>
> We shut down a couple of the minor *_1 instances and restarted them as normal, no problem. The other two are more heavily used and we're waiting to restart them this afternoon. We can understand the DBs going down, but, if they could (within about 5 min.) restart on their own as *_1 instances, why not just restart as they were? Anyone have a suggestion?
>
> 1. How did the ASM connection problem "heal"?
>
> 2. Why did the DBs restart as *_1? Is this an artifact of Oracle Restart being enabled on the ODAs?
>
>
> Thanks for any advice.
>
> ----
> Jack C. Applewhite - Database Administrator
> Austin I.S.D. - MIS Department
> 512.414.9250 (wk)
>
>
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-- 
Viljo Hakala, 
OCM, database specialist.
--
http://www.freelists.org/webpage/oracle-l
Received on Wed Oct 28 2015 - 21:31:01 CET

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