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Postgres 9.1.16 Hot Standby

I am using postgres 9.1.16 (and i cannot upgrade :/) with Hot Standby. We have a few batch that perform some heavy writes, resulting in a lot of WAL produce in a short period of time. The standby ...
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42 views

Oracle DataGuard: Find primary from standby DB

I have SYS access to a data guard standby DB, but i need to find the primary one. I was searching in Oracle Docs but couldn't find anything that could help.
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Can PostgreSQL with synchronous streaming replication get behind on the WAL logs?

I have 2 Postgres 9.4 servers running on 2 identical VMs that I am using to learn how to setup replication before it gets used in production. Hot standby isn't required but it would be preferred. I ...
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1answer
53 views

Oracle 11g Sync Standby Database

Currently, I synchronize the standby database from primary database by copying archive logs from primary server to the secondary server. I do this activity daily. I have heard that there are automated ...
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1answer
31 views

Oracle selective redo log shipping

We are planing to setup an Oracle 12c RAC with a Logical standby in the DR site. Since data consistency is extremely important, we our planning to setup redo log shipping to be in SYNC mode. Our ...
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Strange error in trace file for NSAn standby process

One of the Oracle databases I help manage is the primary in a standby configuration, with two standby databases. I started finding repeated entries in the alert log on the primary for a failure to ...
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66 views

How to change password of user in physical standby database Oracle 11g?

Hi I am new to Oracle 11g, I have a physical standby database and a primary database of Oracle 11g on two different servers. I have changed the passwords of users(schemas)like sys, sysman, system, ...
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42 views

choosing between the slaves on streaming replication

We are building a new streaming replication setup on postgres 9.3 integrated with pgpool for load balancing and failover, and repmgr for replication business. We have seperate daemons running on all ...
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611 views

How to tell from the OS whether Oracle instance is a standby, assuming no DB access?

One can easily check via SELECT database_role FROM v$database; whether your Oracle database is a primary or standby database. Is it possible to make the same determination without database access, ...
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983 views

How to Start DB2 10.5 HADR on the Standby Database

I am trying to set up HADR to run on my DB2 10.5 DB2 servers. I believe I have followed the steps correctly, but I'm getting the following error: [db2insh1@rslvm20 OneView]$ db2 restore database ...
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66 views

Where to put standby control file in Physical standby database?

I am creating a physical standby database for which I am creating a standby control file using command = ALTER DATABASE CREATE STANDBY CONTROLFILE AS '/oracle/dbs/stbycf.ctl'; but It creates only one ...
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316 views

Oracle Standby Database - Archivelog GAP

Good Afternoon! I've done some research around fixing archivelog gap between Primary and Standby databases, and a few links provide tips on the querying V$archived_log, v$archive_gap and ...
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132 views

How to configure Standby database in oracle for read/write

I have configured a physical standby database in Oracle 11gR2, and the standby database it's working fine. All the changes in the principal database are replicating to the standby database, the ...
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1answer
157 views

Oracle standby licence

We're planning to buy new Oracle Database Enterprise Edition licence. We have two servers (Live and standby). Our standby server should be configured as a physical standby, and will be used only in ...
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70 views

PostgreSQL Failover strategy

I'm lost when it comes to choose the failover technology for my postgresql database. The options I currently see are: PG Cluster Streaming Replication Warm Standby (log shipping?) Hot Standby Is ...
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2answers
813 views

Can I have Oracle primary 11.2.0.1 and standby 11.2.0.3?

Can I have data guard system like: Primary: 11.2.0.1 Standby: 11.2.0.3 In logical standby ? In physical standby versions(releases) must be the same?
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1answer
2k views

Duplicate database for standby returns error ORA-19625: error identifying file /home/oracle/stdbyctrl.ctl

I'm working on creating duplication scripts for standby purposes. and it's constantly failing even though the backups are located in the exact same folder. DB structure is identical and spfile is ...
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181 views

PostgreSQL Hot Standby

I have two PostgreSQL servers running on my local Ubuntu machine (port 5437 is master, port 5438 is standby). While following the tutorial on http://wiki.postgresql.org/wiki/Hot_Standby I get this ...