Category Archives: Disaster Recovery

DR Scenarios, Strategies and Paradigms

On this last day of VirtaThon 2011, I wanted to take this opportunity and thank ALL the organizers & attendees for making VirtaThon 2011 a resounding success! Credit goes to all the Speakers for their incredible efforts and AWESOME sessions. … Continue reading

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 Sign-Up OR Login to attend this FREE 4-Week Webinar Series! Learn ALL about Oracle Real Application Clusters (RAC) 11g from the experts! This series covers Oracle RAC 11g from “A to Z” including Demos & Hands-On Exercises at BrainSurface | … Continue reading

Posted in Automatic Storage Management (ASM), BrainSurface, Career Management / Upward Mobility, Certification, Cloud Computing, Database Family, Disaster Recovery, Education, Exadata, High Availability, Innovations / New Features, Installation / Upgrades, Interview Questions, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Real Application Clusters (RAC), Tools / Utilities, Training, Virtualization, Whats Hot? | 6 Comments

- Is there a command-line utility that we can use to find out and display the Oracle RAC Cluster Name? – What are the OS level pre-requisities for running such a command? – Is there an alternative method to find … Continue reading

Posted in BrainSurface, Career Management / Upward Mobility, Database Family, Disaster Recovery, High Availability, Interview Questions, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Oracle Open World, Real Application Clusters (RAC), Tools / Utilities | 2 Comments

Using CRSCTL to stop the Oracle CRS stack is taking a long time:   C:\oracle\product\10.2.0\crs\BIN>crsctl stop crs Stopping resources. This could take several minutes. Resource or relatives are currently involved in another operation. Retrying stop resources. Resource or relatives are currently … Continue reading

Posted in BrainSurface, Career Management / Upward Mobility, Database Family, Disaster Recovery, High Availability, Installation / Upgrades, Maximum Availability Architecture (MAA), My Blogs, Networking, Oracle Database Family, Real Application Clusters (RAC), Support, Systems, Tools / Utilities, Troubleshooting, Whats Hot? | Tagged | 1 Comment

Here are a few useful OCRCONFIG commands for backup-related purposes:   C:\oracle\product\10.2.0\crs\BIN>ocrconfig -showbackuptestracdb02     2010/03/22 12:13:45     C:\oracle\product\10.2.0\ crs\cdata\testrac_crstestracdb02     2010/03/22 08:13:43     C:\oracle\product\10.2.0\ crs\cdata\testrac_crstestracdb02     2010/03/22 04:13:42     C:\oracle\product\10.2.0\ crs\cdata\testrac_crs

Posted in BrainSurface, Career Management / Upward Mobility, Database Family, Disaster Recovery, High Availability, Installation / Upgrades, Interview Questions, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Tools / Utilities, Troubleshooting | Tagged | 2 Comments

OPATCH of Bug 35 Cumulative Patchset to Oracle CRS 10.2.0.4 HOME fails with following error: Patching component oracle.assistants.server, 10.2.0.4.0…Updating jar file “C:\oracle\product\ 10.2.0\crs\assistants\dbca\jlib\dbca.jar” with “assistants\dbca\jlib\dbca.jar\ oracle\sysman\assistants\dbca\backend\DatabaseAttributes.class”Updating jar file “C:\oracle\product\10.2.0\crs\ assistants\dbca\jlib\dbca.jar” with “assistants\dbca\jlib\dbca.jar\ oracle\sysman\assistants\dbca\backend\DeleteInstanceStep.class”Patching component oracle. javavm.server, 10.2.0.4.0…Copying file to “C:\oracle\product\10.2.0\crs\ … Continue reading

Posted in BrainSurface, Career Management / Upward Mobility, Database Family, Disaster Recovery, High Availability, Installation / Upgrades, Interview Questions, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Real Application Clusters (RAC), Tools / Utilities, Troubleshooting | Tagged | 1 Comment

What is Cluster Consistent Mode and why is it displayed in the alert log of a single-instance database?   From Alert Log: Fri Jan 15 09:20:51 2010LGWR: Primary database is in CLUSTER CONSISTENT mode

Posted in BrainSurface, Database Family, Disaster Recovery, High Availability, Installation / Upgrades, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Real Application Clusters (RAC), Tools / Utilities | Tagged | 1 Comment

Is there a method to verify, that the database is indeed shipping redo data over to the standby database in a 10G Data Guard setup? What is the fastest way to find out if the Data Guard is working?

Posted in Automatic Storage Management (ASM), BrainSurface, Data Guard, Database Family, Disaster Recovery, High Availability, Installation / Upgrades, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Tools / Utilities, Troubleshooting | Tagged | 1 Comment

Windows Server 2003: Oracle 10G Release 2: Data Guard Wizard in Grid Control fails and display error: ORA-19257: It reports creation status failed in the Data Guard Wizard spawned job with following errors in Standby alert log files:   ORA-00313: … Continue reading

Posted in BrainSurface, Data Guard, Database Family, Disaster Recovery, High Availability, Installation / Upgrades, Maximum Availability Architecture (MAA), My Blogs, Oracle Database Family, Tools / Utilities, Troubleshooting | Tagged | 1 Comment