Wednesday Feb 04, 2009

Working together with the MySQL team

One year after Sun acquired MySQL we see the positive results of this acquisition. Things are going very well in terms of collaboration, the teams are getting closer together and share the experience and the knowledge. If you want to know how the teamwork is seen from the Sun Cluster engineers, Thorsten Frueauf and myself, you should read this.

It was interesting for us to see that this interview was well observed by MySQL customers and community members. Although the interviews were not technical, they lead to technical questions. You can get more information here.

So if you are keen to see what the MySQL community wants to know about Sun Cluster, read the blog entry about MySQL and Sun Cluster.

Detlef Ulherr

Solaris Cluster Engineering 


Tuesday Dec 23, 2008

Extended support: Sun Cluster agent for Informix

A while ago we announced support of the Sun Cluster agent for Informix Dynamic Server (IDS) for v11.10 on Solaris 10 (SPARC and x86), within the global or non-global zones.  We have now completed further QA tests and are extending that support to include IDS v10 and IDS v9.4.

Currently, with the Sun Cluster 3.2 and 3.2 2/08 releases, we support the following:

IDS v11.10 & v11.50 on Solaris 10 (SPARC and x86)
IDS V10.00 on Solaris 10 (SPARC and x86)
IDS v9.40 on Solaris 10 (SPARC)

All the above can be deployed within either the global zone or non-global zones.

Neil Garthwaite
Solaris Cluster Engineering

Tuesday Dec 09, 2008

Open HA Cluster agent for LDoms Guest Domains

Recently, we provided some information for the HA-xVM agent for OpenSolaris xVM Hypervisor guest domains, which can be found at http://opensolaris.org/os/project/ha-xvm.  If you were interested in that, it may be of interest to you to know that we are now planning to provide an addendum to the HA-xVM project to also include LDoms guest domains.

As such, two architectural reviews are being planned on December 11th and 18th.

- Thursday December 11th at 9:00am US/Pacific, we will be holding an Open CLARC commitment (final design) review for the Open HA Cluster (OHAC) agent for OpenSolaris xVM guest domains.

- Thursday December 18th at 10:00am US/Pacific, we will be holding an Open CLARC inception (requirements) review for the OHAC agent for LDoms guest domains.

A requirements specification for the OHAC agent for LDoms guest domains will be posted to the HA-xVM project page in the next few days, in preparation for the architectural review.

Please feel free to participate in both reviews.  Phone-in details etc., will be provided on http://wiki.genunix.org/wiki/index.php/CLARC.

Neil Garthwaite
Solaris Cluster Engineering

Thursday Sep 11, 2008

Sun Cluster agent for Informix

In August 2007, we started an OpenSolaris project to develop an Open HA Cluster (OHAC) agent for Informix Dynamic Server (IDS), providing a design specification, cheat sheets and code reviews to anyone that was interested.  Within the next few months that followed, the OHAC agent for IDS was complete and available for anyone to download and use.

However, what the OHAC agent for IDS does not have is full 24x7 support for the agent.  Today we've filled that gap by making available for download the Sun Cluster agent for Informix which has been fully tested by our QA group.  The Sun Cluster agent for Informix allows customers that require 24x7 support to purchase a support contract and differs from the OHAC agent for IDS in this regard.

We've tested the Sun Cluster agent for Informix on Solaris 10 (SPARC & x86) in global and non-global zones.  Our initial supported configuration is for IDS v11, however there are internal reports of customers successfully trying out the Sun Cluster agent for Informix with IDS v9.4. Nevertheless, today's supported configuration is for IDS v11.

I hope our development and now delivery of the Sun Cluster agent for Informix is useful and represents a path that you could follow.  The following links maybe useful,

You can find our other OHAC projects and general community information here.


Neil Garthwaite
Solaris Cluster Engineering

Wednesday Aug 27, 2008

Solaris Cluster and Open HA Cluster are ready for MySQL 5.1

If you want high availability for MySQL databases on Solaris or Open Solaris consider Solaris Cluster / Open HA Cluster. Solaris Cluster supports all available releases for MySQ 5.1. The MySQL agent for Solaris Cluster is usable with the release candidates of MySQL 5.1, and definitely with any final release of the MySQL 5.1 enterprise server or the community server. In addition to 5.1 we support all the current versions up to 5.0.51a.

With Solaris Cluster, you can achieve high availability for the MySQL database server and other applications in the same cluster. Solaris Cluster provides you with a rich framework to orchestrate any start or restart dependencies between the MySQL database server and other applications. You can even combine master and slave databases within the same Solaris Cluster. So you can achieve highly available masters and highly available slaves.

One advantage of the MySQL acquisition is that we have now earlier access to to the MySQL enterprise releases and closer access to the MySQL engineering force. So we can qualify new versions earlier than before. The next advantage in the close relationship is a faster problem resolution, because only one organization is working on customer problems.

To enable the MySQL 5.1 support of the Sun Cluster 3.2 agent for MySQL, you have to apply the following patches:

    Solaris 9 Sparc: 126031-04 or higher

    Solaris 10 Sparc: 126032-04 or higher

    Solaris 10 X64: 126033-05 or higher

For more information about setting up MySQL in Solaris Cluster, consult Sun Cluster Data Service for MySQL Guide for Solaris OS

Detlef Ulherr
Solaris Cluster Engineering 

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