Exadata

Exadata ping problems :rp_filter , martian source, ifcfg-bondeth0

ESS patch is applied on one of dataguard exadata box. After a successful ESS patch we started to see ping errors from our primary instance to dataguard nodes. We had such issue before and solved it using rp_filter parameter on linux. Solution is to briefly to relax the linux restriction for network configuration on the… Continue reading Exadata ping problems :rp_filter , martian source, ifcfg-bondeth0

Oracle · PL/SQL - SQL

Stored Procedure Dependency May Crash Your Database

DDL operations on your production may cripple your system. It is an all known fact. Especially when a Stored Procedure (SP), that has a dependency on that object, is heavily used. Most probably you can not compile it and you will have a lot of library cache pin, library cache lock … events. This post… Continue reading Stored Procedure Dependency May Crash Your Database