The processes of creating a point in time copy of data.

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EC2 and setting up MYSQL Replication

my database size is very big around 100gb and when I restore it takes 3 days to restore. I am using amazon ec2. My question is I want to setup a new slave to MYSQL master, can I take a snapshot of ...
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1answer
183 views

SQL Server 2012 - Dropping Snapshots takes hours

We recently did a SQL Server upgrade from 2005 to 2012. We have a nightly job that drops a snapshot of an active database. The snapshots gets created again later in the day. Before upgrading, in SQL ...
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1answer
59 views

Global Read Lock for Snapshot of MySQL Data

I have a database that is entirely comprised of MyISAM tables(yes, I did not create it). I need to create a slave and start replication so we could point read-only queries there. Here is my idea: ...
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134 views

Is possible do an online snapshot backup , without archive logs at Oracle Database?

Using Oracle Database Standard Edition 11r2 . I'm looking a way to backup the database with zero downtime , using a snapshot of datafiles (LVM snapshots) and without need backup de archive logs. ...
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1answer
88 views

BCP - Different Schema

I have a transactional Replication (Non-SQL Server Publishers - Oracle) implemented for one SQL Server Database. Let's say Publishers: A, B Subscriber: C Note: I can not modify the Oracle DBs. The ...
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1answer
77 views

DB2 Transaction Logs - can they be COPY-PASTE on another Disaster Recovery Server?

We have Server1 with Online Backup1, Archive Logs 1,2,3 for example and Transaction Logs from 1 to 10. We are interested in next scenario: If Server1 fails completely and we want to move everything ...
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58 views

Group Policy - replication snapshot

Has anyone seen a domain Group Policy stop a transactional replication snapshot from being configured and executed "A required privilege is not held by the client". To cut a long story short... I am ...
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1answer
95 views

quick checkpoints for development mode

i'm a programmer, not a dba. i need a mechanism to quickly make a snapshot of a database (oracle 11g XE) before i run migration. migration changes data, grants, DDL (tables, triggers, lexers, views ...
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DB snapshot goes into SUSPECT mode (SQL 2014 on WIN2K8R2)

I was hoping someone here might have encountered this sort of issue and if so what did you do to fix it. Here's some details: DB server: SQL 2014 Enterprise (12.0.4100.1) OS: Windows 2008R2 ...
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0answers
25 views

Transactional Replication breaks when schema is changed in Publisher

We have set up Transactional replication where in two Publishers feed into one Subscriber , now if try to change the schema of any one Publishers or both publishers, replication breaks. We have ...
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Snapshot Agent - Transactional Replication - Why a complete snapshot?

Often, I will add a single article to an existing transactional replication publication. I then start the snapshot agent to copy the new article and it's data over to the subscriber. Most of the time, ...
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397 views

Script to find unused indexes over a period of time doesn't work in Oracle 11g

The statspack_unused_indexes.sql script described in this page would be incredibly useful to me, but it has been coded for an earlier version of Oracle. When I try to run it on 11g, I get the ...
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Processing data while keeping frozen frontend database online

What is the best approach at having a "frontend" database online and working, while processing and generating new data in the back? I have an scenario that some tables and even whole databases data ...
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39 views

Replication Data Issue

After configuring replication all the data from tables has replicated from publisher to subscriber. Now my requirement is whenever I insert new record in publisher only that record should replicate ...
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0answers
60 views

Strategy for multiple distinct databases in PostgreSQL

I have a 30 gb db in PostgreSQL 9.2. Running On Amazon Linux on an ec2 (web virtual machine), with the data directory mounted from its own drive (EBS). I'll call the database db30. On production it'...
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0answers
354 views

Transactional Replication times-out with Database Snapshot on subscription

I have a VLDB that is being replicated using transnational replication. The performance has been terrible, and the process frequently times out. After much investigation, including Service Packs and ...
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0answers
15 views

Change in mysql structure while backup is being created

I'm using amazon's RDS services and I wonder what happens if while a snapshot is being created I change the db structure? Will it corrupt the snapshot? Will it disallow me to make the change? I ...
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31 views

Rds snapshot restore time

As part of our blue greendeployment strategy we are snapshoting the prod RDS instance and then restoring this snapshot into a new instance applying db migrations after it and linking the Green ...
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bcp copy from snapshot failed due to snap being in transition

We have a SQL job that runs each night to perform a data extract and import function. The job performs against a snapshot and copies from several tables in a serial loop. Today the job reported the ...
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51 views

Partial restore of InnoDB from snapshot

We currently run a mix of MyISAM and InnoDB tables on an older version of MySQL. ZFS is used as the filesystem which allows us to take instant snapshots of mysql data. One useful case for this has ...
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0answers
40 views

MongoDB fsyncUnlock won't unlock occasionally on Windows

We have a MongoDB replica set installed on Windows servers, with a scheduled backup job. MongoDB is configured to use journaling. The job runs db.fsyncLock() via script on MongoDB (primary server), ...
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509 views

Transactional Replication Snapshots causing serious locking after 2012 upgrade

I am experiencing serious locking when adding new articles to an existing transactional replication publication, which is hanging the website. This is the first time I have attempted this since I ...