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Adding storage dynamically to ASM on Linux

Note: This discussion is potentially relevant only to OEL 5.x and RHEL 5.x- I haven’t been able to verify that it works the same way on other Linux distributions. I would assume so though. Before...

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Patch 10270073 – 11.1.0.1.2 Patch Set Update for Oracle Management Service

Today is patch day – on my current site we are having quite a few problems with our management server (OMS from now on). It occasionally simply “hangs” and doesn’t respond when connecting to the SSH...

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11.1 GC agent refuses to start

This is a follow-up post from my previous tale of how not to move networks for RAC. After having successfully restarted the cluster as described here in a previous post I went on to install a Grid...

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ASM normal redundancy and failure groups spanning SANs

Julian Dyke has started an interesting thread on the Oak Table mailing list after the latest UKOUG RAC and HA SIG. Unfortunately I couldn’t attend that event, I wish I had, and I knew it would be...

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A more user friendly multipath.conf

During some recent work I did involving a stretched 11.2.0.2 RAC for a SAP implementation at a customer site I researched TimeFinder/Clone backups. As part of this exercise I have been able to...

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WARNING: FAILED to load library: /opt/oracle/extapi/64/asm/orcl/1/libasm.so

This post is long overdue, and it’s as much a reminder to myself as it is a post for you to find when scratching your head.Here’s the situation: Oracle Restart on an Oracle Enterprise Linux 5.5 system...

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Little things worth knowing: auto-DOP or hint-which one takes precedence?

This is just another short post about one of the little things worth knowing. Assume you are on 12.1.0.2 for example and you want to know if parallel_degree_limit reliably keeps the degree of...

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