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1answer
32 views

Long queries on PostgreSQL hot standy

Is there a way to convince PostgreSQL to execute long queries on a hot standy? It kills the query with User query might have needed to see row versions that must be removed. I understand that, but I ...
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1answer
44 views

Log shipping secondaries in STANDBY stuck in 'Restoring…' - SQL Server 2012 SP3

Yesterday, I configured Log shipping between 2 SQL Server 2012 SP3 servers for a total of 13 databases. Some specifics: I'm using 'Azure files' to transfer the log files (CIFS accessible BLOB ...
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1answer
61 views

Can I bring a warm standby SQL Server database online and then return to standby mode?

What I'm trying to do falls outside of the normal SQL Server work flow so might be impossible. I'm implementing a system that serves out copies of a large production database to multiple test / dev / ...
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1answer
152 views

ORA-01031: insufficient privileges connecting to standby

I configured a standby database and it worked for a while, but now I noticed that the redo logs thread on standby is far behind the primary. After researching alert log and trace files, I figured out ...
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1answer
38 views

Standby archive deletion

I have a primary database with a standby in data guard configuration running in a RHEL host. Thing is the storage assigned to this DR is very less, meaning the archive logs file system gets full in no-...
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1answer
48 views

Oracle standby databases monitoring

I have many databases for which I have configured data guard setup. When it comes to monitoring the standby's, I use OEM to check the lag and I have enabled mail alerts as well as and when gap is more ...
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0answers
46 views

Fail to perfom static registration of nomount instance

I'm trying to make standby to database. I've insalled Oracle 11g database on virtual machine (host - oratest). Standby is on virtual machine too (standbysrv). When I'm trying to connect from source ...
7
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1answer
368 views

Can I recover a SQL database from Standby/Read-Only without a standby file?

Is there any way to recover a SQL database from Standby/Read-Only mode if the "standby file" is missing? (I see some references calling this a TUF file in a log-shipping scenario, but in my case, it ...
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1answer
46 views

Activating standby DR after opening it in read-write mode

I have a primary and a standby database. Both two node RAC database. As some testing had to be done in standby database, I had to open it in read-write mode. I cancelled the recovery in standby and ...
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2answers
62 views

Add standby database on different OS version?

Primary database is installed on RHEL 6.1. Standby database software is installed on RHEL 7.0. I am trying to add new standby database by using Grid Control. Database versions are same 11.0.2.0.3. I ...
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2answers
61 views

Oracle standby database recovery stopped

I have a primary and an standby database. Because my file-system became full in standby database, the recovery has stopped in standby. This is the present state of sequences in primary and standby: ...
2
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1answer
932 views

How do I configure AWS Aurora to separate write/read operations

I want to migrate my database instance from AWS RDS MySQL to Aurora, but I have a doubt about replication and how Aurora management the write/read operations. I have my application and I want to ...
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1answer
68 views

Differentiating physical standby to cascaded standby

Why is it that for non-real time apply from cascading to cascaded standby that we have to mention as SYNC as the redo transport mode? Ideally we mention SYNC for real time apply right? Also, should ...
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0answers
30 views

Looking for a DR-like solution to enable full data warehouse re-load while having secondary copy live

I am looking for suggestions/ideas to the following problem. We have a number of data warehouses for each of our clients (on SQL Server 2014). These data warehouses are maintained fairly fresh with ...
1
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1answer
58 views

Postgres 9.1.16 Hot Standby

I am using PostgreSQL 9.1.16 (and I cannot upgrade) with Hot Standby. We have a few batches that perform some heavy writes, resulting in a lot of WAL bein produced in a short period of time. The ...
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1answer
822 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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0answers
76 views

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
252 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 ...
0
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1answer
135 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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1answer
358 views

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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1answer
561 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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0answers
49 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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3answers
2k 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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1answer
3k 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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0answers
131 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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2answers
654 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 v$...
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2answers
246 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
285 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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0answers
98 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
2k 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
3k 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 ...
1
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1answer
206 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 ...