Making copies of data which may be restored after a data loss event or to recover data from some earlier point in time.

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1answer
632 views

PostgreSQL - How can I manage WAL archiving for different databases on a server?

I'd like to use WAL archiving for incremental backup of my database. But I have 2 databases on my server, and I can't afford the disc space for backup of both of them. So I only want to backup one of ...
5
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2answers
966 views

How to automatically stagger transaction log shipping to minimize bandwidth usage peaks?

The following question pertains to Microsoft SQL Server transactional log shipping (TLS). We're using SQL Server 2008 R2 SP1, although the question is probably relevant for all recent editions. ...
7
votes
2answers
693 views

PostgreSQL PITR restore

I have a PostgreSQL 9.1 server running on a CentOS 5.8 32bit OS and I have enabled WAL archiving. On this server, there are three databases: databaseA, databaseB and databaseC. Someone deletes a ...
2
votes
3answers
5k views

Copy PostgreSQL data from one PC to another

I am migrating my server application from the existing system to another system. Unfortunately, the existing system is also the database server. It has data stored. Is it possible to copy this data to ...
10
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1answer
2k views

What's a good SQL Server backup schedule?

There seems to be a plethora of information regarding the process of setting up backup tasks, but not much information about the big-picture view of database backups. At least, it's hard to formulate ...
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1answer
1k views

Oracle XE: Transfer Database from Linux to Windows

our professor gave us a linux VM with a Oracle XE 11g Database. I want to transfer this Database to my Windows installation because I dont't want to boot up the VM for every exercise. Everything ...
2
votes
2answers
78 views

How can I make this backup scheme more friendly for reporting?

Currently, we have around 50 remote servers, each with a production database. Each night, all 50 of these servers run a backup job and zips the backup. Each morning, a local server runs a job for each ...
3
votes
1answer
216 views

PostgreSQL synchronized commit performance

I'm setting up a pair of PostgreSQL servers. Because cash is short I can only afford one high class server and some crapy backup box. If the expensive high end box should catch fire, operations can ...
2
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2answers
12k views

How to take Oracle backup and restore?

I am coming from SQL Server background where SQL Server studio has a very easy way of taking database backup and then doing a restore. I have been using Oracle 11G express edition for past couple of ...
4
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1answer
556 views

Why would a SQL Server 2008 R2 database disable a table index when upgraded to SQL Server 2012

I've restored a database backup in a new SQL Server 2012 server from a .bak made in SQL Server 2008 R2, and one of the tables has it's primary key index disabled. This doesn't happen when I restore to ...
4
votes
2answers
1k views

Restore all applicable files in a backup device in T-SQL

I'm using SQL Server (2008 R2 in this case) and I am backing up my databases into backup devices (one per database). Every Sunday the device is overwritten with a new full backup, every night a ...
4
votes
1answer
4k views

Is Percona xtrabackup the right choice for my 500GB MySQL backup?

I have a MySQL db with 500GB, consisting mainly of Innodb tables, and one big (200GB) MyISAM table. My current backup strategy is copying the db files to an external harddrive. This causes a downtime ...
2
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2answers
168 views

Why isn't the transaction log getting truncated when taking a full backup?

In full recovery model, if we take a full backup, the log file is not truncated. It is done when we take a transaction log backup. Any particular reason of why it is done this way?
3
votes
2answers
1k views

Removing Archive Logs after PostgreSQL PITR online-recovery

I'm using pgpool-II + PostgreSQL 8.4 on three servers: primary + standby1 + standby2. Replication mode is "on" Load balance mode is "on" (between primary and standby1) I followed the official ...
3
votes
1answer
91 views

Necessary to use a checksum on a backup and not solely the 'verify backup' option?

If want to ensure the integrity of a backup, would it be a necessity to use a checksum on all of my backups and not just the 'verify backup' option?
2
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1answer
4k views

How to Create Snapshot Backups in MySQL

I've seen a lot of people talking about snapshots backup, even I'm reading a book about mysql but nobody explain the code how to make a snapshots backup. This is what the book says: flush tables ...
2
votes
3answers
2k views

How to detect a running mysqldump?

Here are the things I can't change: We got a mySQL myISAM replication running a master and some slaves. One slave is being used for nightly backups using mysqldump. The backups is using heavy locks ...
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votes
5answers
12k views

Safely deleting a SQL Server log file (.LDF)

I can make sure my app is in a consistent state. I can rollback all the uncompleted transactions if any (just in case) it's ok I can DETACH the database What do I need the log file for after that? ...
3
votes
1answer
2k views

Why is my postmaster process (sometimes) becoming unmanageable after a WAL base restore?

TL;DR: Un-stoppable, unusable postmaster is being spawned when Postgres is started right after restoring its data directory from a WAL base backup. Why? Context: We run postgresql 8.4, on CentOS 6, ...
3
votes
1answer
2k views

Does the Amazon RDS backup/snapshot service lock tables?

We have a database that is 100+GB. Most tables use the InnoDB engine. A regular dump takes 1-2 hours. If we moved to Amazon RDS, would this backup cause table locks? Does Amazon use a simple ...
1
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3answers
2k views

SQL Server 2005 Restore from Full and Differential Backup

I'm not a DBA, however I have been a developer for 10yrs and am competent. I wish to move our corporate application to a hosted service and I need to copy the data. The data centre is too far from ...
2
votes
1answer
1k views

Postgresql WAL Archiving, How to do it properly?

Basically I have one (for now) mission critical postgresql database that I will need up to the minute recovery for, I've never implemented a working WAL archival before so I would like to know what is ...
5
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1answer
4k views

Microsoft SQL Server 2008 R2 backup error

I'm trying to do a simple backup to an external disk and getting this error: Backup failed for Server 'Server-name' Additional information: System.Data.SqlClient.SqlError: The media loaded ...
0
votes
5answers
66 views

Copy my data from a existing db to a new db

I have a database which has my data's that I have been working for months. Now, I want to delete that db. What concern's me is that the data's that I have might come in handy in the future ...
3
votes
1answer
134 views

Thoughts about Oracle backup procedure for 11.2 (beginner question)

Two days ago we "found out" that our old, not taken care of, horribly neglected, Oracle DB server was extremely important to our business. The only person who knew anything about this server was ...
2
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1answer
391 views

Assertion failure from InnoDB while restoring using Innobackupex

I thought I would give back to all those people who help me when I have a problem. This might be something old, but I did not find it anywhere so here goes: We recently upgraded our production DBs ...
3
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2answers
284 views

SQL Server Transaction Log Initial Data Load

What is the standard process when initially populating a database with 5GB+ to avoid a large transaction log? From my understanding the log file would jump to a large size after the initial load and ...
2
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1answer
658 views

Postgresql revert back database value

I have postgresql database. My table name is tblvoippolicy. Now, problem is by mistake i have deleted some records from table. When I get the data file using following commands. select * from ...
1
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1answer
2k views

ORA-00379 no free buffers

I'm trying to do collection_manager in OVPI but I'm getting db error ORA-00379 no free buffers available in buffer pool default for block size 32k oracle 10.2 Thanks for any help in advance
7
votes
1answer
729 views

SQL Server considerations when backing up / restoring a database that uses replication

In the event that I need to restore a database involved in replication, what considerations to I need to keep in mind? Do I need to keep backups of both the publisher and the subscriber? Can I ...
2
votes
2answers
719 views

In trying to setup back up device, net use command throws operating system error 53 when passing in a unc

So I'm trying to use XP_CMDSHELL to set up my drive for using a backup. I already have the drive mapped, but per ...
6
votes
4answers
2k views

Do I really need to keep .LDF files?

Each month we make an end of month snapshot of our production databse. These month end snapshots are strictly for reporting purposes, there are no inserts, updates or deletes ever done on them. Each ...
6
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1answer
2k views

How to create a SQL Server 2008 backup without logs with mirroring

How do I create a backup of a SQL Server 2008 in a mirrored setup without any logs? We need to do this so that when we restore our local development databases, we would have the most up to date ...
3
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2answers
289 views

SQL database backups methods-tools-procedures

Currently, I am investigating some way to more efficiently backup 4 Production SQL Databases (3 different servers/instances) and would like to know if anyone else has had the problems we are having ...
1
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1answer
3k views

Oracle backup with RMAN Options?

I'm trying to learn RMAN but getting confused everytime I read Oracle docs! Can someone help me what are the differences and when to use the following? BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT ...
4
votes
1answer
1k views

Transaction Log Truncation with Copy Only

I have a database backup job set to use full backup with the Copy only option on once daily. The copy only is on because from what I have read that is the only way to backup a database that is ...
1
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2answers
143 views

Is this an appropriate development environment MySQL backup strategy?

I'm a web developer and I use primarily my own laptop at work. We use an SVN repository for our project codebases, and deploy our changes to an internal development server for testing. Our system ...
0
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1answer
2k views

Oracle big datafile restore fails using Netbackup (ORA-19511, ORA-27190)

I am restoring datafiles about 1000GB in size. I am using Netbackup as a backup server. After 2 hours reading Netbackup fails with the following error: 7/25/2012 3:27:50 PM - Error bpbrm(pid=1176) ...
1
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1answer
291 views

Questions about PostgreSQL backup/restores

I've inherited a large PostgreSQL 8.4.7 database that is currently not being backup at all. The database itself I believe is around 100GB, I've been reading about the different methods to backup this ...
5
votes
3answers
2k views

How can you save all user-defined functions to txt files on your local hard drive?

I am running SQL Server 2008 and need to back up the UDF scripts/queries that I have created. How can this be done in a timely manner? I tried right clicking on the folder icon where the UDF are saved ...
26
votes
2answers
9k views

I/O requests taking longer than 15 seconds

Usually our weekly full backups finish in about 35 minutes, with daily diff backups finishing in ~5 minutes. Since tuesday the dailies have taken almost 4 hours to complete, way more than should be ...
3
votes
2answers
350 views

Writing transactions to .MYD file to take Backup

I'm trying to backup MySQL DB by archiving the data directory of required databases. I'm doing FLUSH TABLES WITH READ LOCK before taking the backup, but even then some of the transactions were not ...
2
votes
3answers
1k views

MySQL backup with no downtime [closed]

I'm running a M/S replication of MySQL 5.5 / innoDB (over ubuntu). My DB is pretty large: ~250GB. I'm looking for a backup tool/service that will do the following: full backup no downtime / locks ...
3
votes
1answer
750 views

Wrong behavior in Backups

Checking my Native backup this morning something wierd happened. I will describe the problem here. 1) The msdb table backup set shows me the backup was done successfully. 2) The errorlog shows me ...
0
votes
1answer
2k views

Incremental level 1 backup with no Incremental level 0?

I have done the following steps: Backed up database with INCREMENTAL LEVEL 0 Delete INCREMENTAL LEVEL 0 backup without telling controlfile. So deleted it by hand. And did not make crosscheck. Backed ...
3
votes
2answers
1k views

Would it be possible/wise to execute 2 parallel restores from a single backup?

Every night I create a backup (to disk) of a particular database. Subsequently that backup has to be restored to 2 different servers. These restores now happen sequentially and take about half an hour ...
2
votes
2answers
102 views

Incremental backups - differences

What is the differene between: BACKUP INCREMENTAL LEVEL 0 DATABASE; and BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; ? I read some manuals, but I don't get the idea beacuse of my poor ...
3
votes
1answer
1k views

Script to Restore/Create SQL Server 2000 Database from Another Database's Backup

I'm trying to create a database, NewClientDB, by restoring another database's, OldClientDB, backup, d:...oldclientdb.bak. I've always done this via SQL 2000 Enterprise Manager, but the GUI keeps ...
3
votes
1answer
145 views

Does MySQL Enterprise Backup work across Operating Systems?

The problem with testing is that one can never be sure (it may seem to work and then you find some thing changed later). A definitive statement from the vendor would definitely be helpful (I cannot ...
2
votes
1answer
292 views

Initial recovery Postgres with backup in sync commit mode

I've got a master and a slave postgres 9.1.3 database. I would like to init the backup database for the first time. I did the following steps: Stopped master Copied all files to Slave Create ...