Known issues with upgrading ODA to 18.3 and how to avoid them

Recently, when I worked on upgrading ODA X7-2 S/M/L from version 12.2.1.4.0 to version 18.3.0.0.0. I hit two known issues after patching server components. Issue# 1: Onboard public network interfaces do not come up after patching or imaging. Issue# 2: Upgrading to 18.3 can automatically result in ADVM processes consuming Excessive CPU and IO during… read more

Moving From Collecting Intelligence to Connecting Intelligence

Last week I attended the Gartner Catalyst conference in San Diego. The content was rich and nicely weaved the concept of #connectedintelligence throughout the sessions. This concept of moving from collecting intelligence to connecting intelligence really hit home for me. At Eclipsys we are working to augment our core set of services to help our… read more

On-Premise Oracle Database Backup Using Oracle OCI Backup Cloud Service

Oracle Backup Cloud Service provides a secondary, off-site backup location in the cloud with practically  unlimited capacity. The service also ensures that backups are encrypted and available when are needed. Off-site backup is traditionally accomplished by sending backups to tape and shipping them to a secure location. This is a complex task that requires hardware,… read more

Oracle RAC 12c: A Recipe to Recover From Losing OCR, Voting Disk, or ASM Password

Starting with Oracle 11gR2, it is difficult to lose your OCR file or voting disk as they are stored in an ASM disk group with normal or high redundancy. The scenario below will corrupt the header of oracleasm disks that belong to disk group that has an OCR file, a voting disk, and ASM Password… read more

Oracle Active DataGuard on AWS RDS

Reading the latest updates and news I found that AWS has introduced a read-only replica for their AWS RDS for Oracle with the Active DataGuard technology behind that. It allowed clients offload reporting and some read-only activity to the standby freeing the primary Oracle database for transactions. It was possible to use the Data Guard… read more