Viewing ASM trace files and alert logs in Unix/Linux
ASM trace files begin with the "+" prefix. Â On Unix/Linux I normally view database trace files using the more/less or vi/vim/view commands. Â These commands and their variants however accept the "+"...
View ArticleRAC RDA Setup on AIX
Remote Diagnostic Agent (RDA) is a Oracle utility used to collect information on RAC configurations. It collects a wealth of information that would otherwise be tedious to collect manually. This...
View ArticleGrid Infrastructure 11.2.0.2 Hands-On: Automatic SSH Setup
While installing Oracle RAC it is important to setup SSH user equivalence for installation of of the binaries. Â Oracle 11gR2 RAC now includes automatic ssh setup. While reading one of my favorite blogs...
View ArticleOracle RAC instance startup - ORA-29760
Having worked on Oracle RAC since 9i, there hasn't been a time when I haven't faced something new or realized something was not what I thought it was. I think this is one of the reasons why I enjoy...
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Quest Backup Reporter for Oracle 1 Preview
I don't normally do product reviews, but at the request of my fellow Oracle tweeps (@hillbillytoad) I have attempted to do my first review in this post. Here goes.While working on a project to...
View ArticleORA-00020: maximum number of processes (%s) exceeded
Ever received this error message in your alert log? I have on a couple of occasions. Perhaps an application server started spawning more database connections than it normally does in turn creating more...
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Cloudy With a Chance of Database: Part I
There has been a lot of talk in the ubiquitous cloud space recently and more specifically the PaaS service delivery model. Naturally this piqued my curiosity. How does the database fit in the...
View ArticleTroubleshooting RAC Public Network Failure
Here are some steps I used to troubleshoot the failure of a public network used for SCAN in a 2-node RAC cluster.Note: I used an aliased crsstat for the command: crsctl stat res –tCheck the status of...
View ArticleVirtaThon 2011
VirtaThon 2011 is the first Oracle online/virtual conference and is hosted by BrainSurface.com. The conference will feature many well known and respected Oracle experts and speakers and a few unknown...
View ArticleVirtualbox 4.1 Shared folders on Oracle Linux UEK
Recently, while trying to patch my test RAC database I ran into an issue where I couldn't mount the shared folders in the guest VMs. Neither manual mount or automount were working. I would get the...
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Oracle Database 11g XE in the Cloud
Oracle Database 11g XE has been in beta for several months now. On September 2, the production release was made available for Windows 32-bit and Linux 64-bit platforms. This lightweight version of the...
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Ksplice on Ubuntu Installation: Video
With the recent acquisition of Ksplice by Oracle - I got to discover a really cool tool for Linux. Ksplice allows you to apply updates to a live running kernel without the need for rebooting your...
View ArticleFusion Middleware 11g Target Discovery in Enterprise Manager 12c CloudControl
Preamble: I'm writing this blog from my iPhone in the hopes of getting this out quickly before I forget. Please pardon the lack of screenshots or a step by step due to the limitation of the mobile...
View ArticleAdding datafiles using ASM in a Data Guard configuration
Just a quick note to self when adding datafiles located on ASM when using Data Guard.If the initialization parameter STANDBY_FILE_MANAGEMENT is set to AUTO then any datafile added on the primary...
View ArticleRACcheck - RAC Configuration Audit Tool
The Oracle RAC Assurance team has been working on a handy little goody for quite sometime. RACcheck as the name aptly implies turns out to be quite useful at checking your RAC configuration for any...
View ArticleDirect NFS speeds up Data Pump
Oracle introduced the Direct NFS feature in Oracle Database 11gR1. This provides improved performance over regular kernel NFS for the Oracle database. I like to think of it as NFS on steroids. It can...
View ArticleGrid Infrastructure 11.2.0.3 for AIX 64 includes Cluster Health Monitor
Cluster Health Monitor or CHM (formerly IPD/OS) is a utility used to gather OS metrics such as physical memory, swap, CPU usage etc. It's useful for troubleshooting node reboots or evictions, instance...
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Enterprise Manger 12c Cloud Control Mobile for iPhone
Oracle Enterprise Manager 12c Cloud Control now has a mobile app that enables you to view and manage incidents and problems generated from targets. No you can't manage or monitor your targets (yet)....
View ArticleManaging Oracle 11g RAC and Grid Infrastructure with Oracle Enterprise...
This is a place holder for a blog post on using Enterprise Manager 12c Cloud Control for managing Oracle 11gR2 RAC and Grid Infrastructure. Hopefully, I'll get some time to actually do a write-up. For...
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Oracle Enterprise Manager 12c Cloud Control: Plugin Deployment
Oracle Enterprise Manager 12c Cloud Control incorporates the use of plugins to extend its functionality for management of the complete cloud stack. Plugins are provided for databases, middleware,...
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