Database Administration & Monitoring How to disable ACLs in Oracle 12c 27.02.2019 by Oracle Team A common problem in Oracle 12c is, that ACLs are often not wanted to limit connections from database to other hosts. To disable ACLs is not that easy, so the best way is to enable connections and resolutions to all(…)
Database Administration & Monitoring, Database management, Oracle Create a primary database using the backup of a standby database on 12cR2 21.02.2019 by Oracle Team The scope of this blog will be to show how to create a primary role database based on a backup of a standby database on 12cR2. Step1: We are assuming that an auxiliary instance has been created and started in(…)
Database Administration & Monitoring, PostgreSQL PostgreSQL : barman rsync method vs streaming method 16.02.2019 by Oracle Team By Mouhamadou Diaw Barman is a tool to perform backup and recovery for PostgreSQL databases. It can do backup using two methods: -rsync/ssh -streaming In this blog I am going to explain how to use these two(…)
Database Administration & Monitoring, Database management, Oracle New search function for Oracle database features 15.02.2019 by Oracle Team Oracle released a new way to search for database features, and it is ...
Database Administration & Monitoring, Database management, Development & Performance, Oracle Recover a corrupted datafile in your DataGuard environment 11G/12C. 30.01.2019 by Oracle Team On a DG environment, a datafile needs to be recovered on the STANDBY site, in two situations : when is deleted or corrupted. Below, I will explain how to recover a corrupted datafile, in order to be able to(…)
Database Administration & Monitoring, PostgreSQL PostgreSQL: When wal_level to logical 27.01.2019 by Oracle Team By Mouhamadou Diaw wal_level determines the quantity of information written to the WAL. With PostgreSQL 11 the parameter wal_level can have 3 values: -minimal : only information needed to recover from a crash or an immediate shutdown -replica(…)
Database Administration & Monitoring Looping sssd_nss 24.01.2019 by Oracle Team Often Linux systems are connected to LDAP via sssd. A high CPU consuming sssd can be seen in top, like below ( e.g. 89.4 % CPU usage): 9020 root 20 0 1296344 466780 333364 R 89.4 0.8 41:20.17(…)
Database Administration & Monitoring, Operating systems, Oracle Compile additional packages for Oracle VM Server 11.01.2019 by Oracle Team I needed a special package on my OVM Server 3.4.6. The package is called fio and is needed to do some I/O performance tests. Unfortunately, OVM Server does not provide any package for compiling software and installing additional software(…)
Database Administration & Monitoring How to build a dummy resource plan 08.01.2019 by Oracle Team Often switching off resource plan feature of Oracle database is desired. Unfortunately setting parameter RESOURCE_MANAGER_PLAN to empty string does not help, because it does not disable switching to another resource plan, e.g. with dbms_scheduler. Following procedure prevents this switching.
Database Administration & Monitoring ODA: The Patch version must be 12.2.1.4.0 04.01.2019 by Oracle Team When trying to patch your virtualized ODA with patch 12.1.2.12.0 and immediately after that with 12.2.1.4.0, you might consider to load the patches like this: [root@XX1 Oracle_Soft_Repo]# oakcli unpack -package /cloudfs/Oracle_Soft_Repo/p26433712_1212120_Linux-x86-64_1of2.zip Unpacking will take some time, Please(…)