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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2
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3answers
5k views

How to retrieve master log position and master log file in shell script

I'm writing a shell script for point in time recovery for MySQL database.For the below statement I need to specify the start position and end position of a log file. mysqlbinlog --start-position=...
4
votes
2answers
924 views

Restore SQL Server database from .sql files

So we had an encrypted database that puked and killed our whole SQL Server setup. Sucks about our data, but we were smart enough to have our data structures / stored procedures / functions in Git The ...
1
vote
1answer
420 views

Mysql Incremental Backup and point in time recovery

I'm writing a shell script using the concept of binary logs for point in time recovery. Now, the scenario is such that a full-backup will happen every alternate day and Incremental backup should be ...
2
votes
0answers
82 views

Is it possible to have a valid backupset with null position?

In database restore process I need to rely on position column exists in backupset record to restore the latest backupset. Restore the latest backup on the database I noticed sometimes position is ...
7
votes
1answer
4k views

SQL Server distribution database log file grows uncontrollably after full database backup

We have a merge replication environment that is pushing to 8 subscribers. This is working fine. Our distribution database is setup in Simple recovery mode. We have a maintenance plan that will backup ...
0
votes
2answers
683 views

How to influence Oracle backup output size?

I have two environment one Prod one Dev. Dev is created by Prod data and both have a similar database size. However, the backup output size varies greatly. Prod is about 300 M while Dev always above ...
5
votes
2answers
5k views

Which hot backup tools for MySQL InnoDB database : Percona XtraBackup, Zmanda Recovery Manager Enterprise or Community or…? [closed]

I manage a PHP/MySQL website : max 500 simultaneous users / average of 4000 per hour in update/read 1 MySQL Community Server (5.1) - (Xeon / 16 Go RAM) InnoDB Storage engine on 100 tables for 1.4 Go ...
2
votes
4answers
13k views

Restore backup fails - not enough disk space [duplicate]

I have a backup that's about 6Gb. It's a "light" backup of the original (with the log tables purged), which is about 14Gb. I try to restore the backup on my SQL Express local server. It fails with a ...
1
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1answer
1k views

MySQL Point in Time Recovery For Just a Single Schema?

Is it possible to simply restore a single schema and bring it to a point in time (Say three hours ago) without bringing the entire database back? I can think of a lengthy method of backing up each ...
3
votes
1answer
13k views

Error 9001, Severity: 21, State: 1 The log for database 'DB_NAME' is not available [closed]

I have a SQL Server 2008 R2. I got a mail that the backup had failed, I opened the SQL log viewer and started browsing. And i found these two errors a bunch of times. error 1: Date 31-01-...
5
votes
1answer
3k views

What is the proper way to backup MySQL database with rsnapshot?

I want to backup my website that contains both user uploaded images and data stored in MySQL database such that they are always consistent with each other in any particular point of time. While ...
3
votes
1answer
179 views

SQL Database automatic back up

I have an SQL database - I need to back it up everyday (at a minimum) - preferably multiple times a day - automatically so it definitely gets done. I'm running Windows which the SQL database is ...
1
vote
3answers
5k views

Transaction log for SQL Server is too big

I have a database that has a 33 gb transaction log. It is caused by the fact that the database is in full recovery mode has been used for over 5 years prior to the first backup. I want to truncate ...
7
votes
1answer
4k views

How can I fix “Cannot perform a differential backup … a current database backup doesn't exist”?

We recently switched to the FULL recovery model, with full backups being done every weekend, and differentials being taken every day. The problem is, the differential backups don't always seem to ...
4
votes
1answer
82 views

SP for Restoring Database and performing other tasks on it

I am creating a stored procedure for our QA dept that will do the following: Accept specific inputs to generate a consistent name, restore a database (giving it the generated name,) set the db up for ...
2
votes
2answers
2k views

Differential backups in SQL Server 2008 R2

I created a maintenance plan to backup all user databases (full) and set them to expire after three days. This has proved to be cost inefficient in regards to disk space so I want to switch to ...
4
votes
2answers
726 views

Can I manually reset the “internal status flag for a full database backup”?

We recently switched to the FULL recovery model, with full backups being done every weekend, and differentials being taken every day. This worked last weekend, however this weekend the differential ...
0
votes
1answer
2k views

In the domain of SQL Server backup, what is a backup set, backup device, backup media, backup media set, backup media family

I'm not a native English speaker and I've read the descriptions in BOL but still can't understand what exactly are they. Can anyone explain in an easy understand way? Thanks.
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vote
2answers
3k views

Backup plan for MySQL NDB cluster databse not innoDB

I have a Database which will grow more than 250GB all data is in NDB engine(2 datanodes) and no other mysql engine used for data store. What are the best approaches or plans for MySQL Cluster NDB ...
3
votes
1answer
1k views

Filestream database backup error

We have DatabaseA that has filestream files in it. We then have an archive process which first deletes files in DatabaseB (different server) and then inserts new files from DatabaseA into DatabaseB ...
4
votes
2answers
1k views

Backup Only Database Schema Everynight

I have an instance with 15 databases on SQL Server 2012. I will set up to backup system which will work every night. I want to backup only the schema because several databases are very big. I haven't ...
4
votes
2answers
5k views

Is it OK to use WITH INIT for my Transaction Log Backup to avoid having it grow too large?

I'm still struggling to understand SQL's backup jobs. We currently have a SQL Server 2005 instance using the FULL recovery model. We do a full database backup every week. BACKUP DATABASE [...
6
votes
4answers
18k views

How to increase fast backup and restore of 500GB database using mysqldump?

There is a database A size of 500GB. Tables in database A contains both MyISAM and INNODB tables. MyISAM tables are master tables and Innodb tables are main transaction tables. Backup and restore ...
2
votes
1answer
1k views

Restore only one datafile in SQL Server 2008 from partitioned database

We have a partitioned database that I'd like to get copied over on a semi-regular basis to another server for testing updates. Since the partitioning is based on a date column, the most current data ...
6
votes
1answer
2k views

SQL Server database backup file is double final size until backup completes

I've just completed writing a backup statement for a reasonably large database (1.3 TB), and I've been testing it out using a much smaller database (10 GB + 10GB log file). The backup writes to three ...
5
votes
3answers
3k views

SQL Server 2012 database backup successfully report but no backup file

I have created maintenance plan in SQL Server 2012. And every day, the maintenance plan should backup the database. There is no database backup file when I look in the folder where the backups must be ...
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vote
3answers
4k views

mysql duplicate entry error 1062 when restoring backup

Sorry, I seen similar threads but I still couldn't find it addressing my issue plus, I needed some more info on this. Requirement: To create an exact replica 'db4' of an existing DB 'db3'. Procedure ...
2
votes
2answers
113 views

Advice about Backup Solution

Our database Server is being hosted by another company. They provide a file level backup that occurs once per day. They also allow for Log Shipping. My company is taking advantage of their ...
4
votes
4answers
8k views

Restore SQL Server database using Windows Powershell 3.0

I'm trying to restore a SQL Server database with a PowerShell script, but I'm having problems. Here is the error I'm getting: Exception calling "SqlRestore" with "1" argument(s): "Restore failed ...
0
votes
1answer
114 views

mysqlbackup mysql enterprise utility issue

I recent took a backup using mysqlbackup. While restoring it, I noticed that the files that were copied into datadir are with root:root (user:group) instead of mysql:mysql. Is anything wrong with ...
5
votes
2answers
158 views

Thought about this SQL Server backup plan?

I just started a new job, and I'm reviewing the database maintenance plan. I've got quite a bit of experience writing SQL, but not much experience with DB administration. My last job was at a large ...
3
votes
3answers
733 views

Performance impact of Splitting Table across files

EDIT: I think the original question (below) was not worded very well, and probably caused confusion. The basic question is: If I have a SQL Server 2005 database using a single .mdf file and I change ...
1
vote
1answer
212 views

Is there a way to export Oracle's UNDO?

I tried exp utility to dump all database. Looks like this exports only the last version of data skipping undo log. Using flashback queries I see: 01466. 00000 - "unable to read data - table ...
6
votes
1answer
4k views

Restore a Database to a New database (T-SQL)

I have a database backup from a database, say SourceData which needs to be restored on another database, same schema, but different name (SourceData_1) using T-SQL. I don't know why I gets the ...
3
votes
2answers
1k views

How do I solve an error code 127 when doing a pg_dumpall through a cronjob?

I have this simple script to backup all my databases in postgres pg_dumpall -U pg_user > /tmp/tmp.txt DUMP_STATUS=$? echo "Dump status: $DUMP_STATUS" > /tmp/status.txt The dump ...
1
vote
0answers
770 views

Cannot remove .bak file

I have a java application that: Reads a .bak file from a windows fileshare and restores it in SQL Server on a remote windows server Does various modifications on the database restored from the .bak ...
4
votes
1answer
182 views

Postgresql, write archive file over mount, secure against simultaneous access?

I am using Postgres 9.2.1 and am saving my archivable WAL over a NFS share. I just use the basic command, given as an example in the postgresql.conf test ! -f /mnt/server/archivedir/%f && cp ...
12
votes
3answers
19k views

How can I backup a large SQL Server database without impacting performance?

We've had reports of queries running slowly or timing out early in the morning, and the only job I see running that I think could affect this is our database backup job. The database itself is about ...
8
votes
2answers
5k views

Running pg_dump on a hot standby server?

Disclaimer: I admittedly haven't tried this yet, but I'm not sure I would know if it wasn't working correctly, so I wanted to ask. I would like to run a nightly backup job (via pg_dumpall) from a hot ...
3
votes
2answers
478 views

How to prevent SQL Log from being too full

I have a database that generate a huge amount of transaction per seconds, something like 50-100 transactions/second. Because of this, the log files grows very quickly. The thing is though, that even ...
6
votes
1answer
19k views

Difference between database dump (export) and database backup?

What is the drawback using only EXP or EXPDP command for a database dump (and considering it as a backup) instead of taking backups using BACKUP DATABASE command (via RMAN)? What is a difference ...
1
vote
3answers
206 views

Where can I learn about MySQL master/slave, master/master, or clustering setups?

What are the best resources you've read or watched about setting up master/slave or clustering for database replication? I don't know much about this. I have a database that is getting rather large ...
5
votes
1answer
2k views

Cannot restore Amazon RDS SQL Server database to given point-in-time using SQL Server Management Studio

I'm trying to restore one of my Amazon DRS SQL Server databases. Using SQL Server Management Studio, I can correct to my DRS instance using the master account I created when creating the database ...
2
votes
1answer
938 views

Which backup files are needed for a successful restore?

Considering the built-in 'Backup Database' script (backup.bat) that comes with a new installation of the Oracle Express 11g Edition, after finishing the script execution, what folders/files should be ...
1
vote
2answers
2k views

MySQL Enterprise Backup error: Log scan was only able to reach xxxx

I use MySQL Enterprise Backup to make incremental backups, but when I apply a restore (copy-back), I can't remake a backup. I get this error: mysqlbackup: ERROR: Log scan was only able to reach ...
6
votes
1answer
5k views

Appending backups while overwriting expired sets

I've been reading up on this, but the online documentation is a bit difficult to understand and seems awkwardly written. For example the INIT, NOINIT. One says it will try to overwrite everything. ...
3
votes
1answer
175 views

Backup and off-site restore setup

I've been reading a lot of threads about different backup options for MySQL and was hoping for some more insight so I can settle on one. Our current situation is ~100 GB of InnoDB and MySAM data in ...
2
votes
1answer
1k views

Only a single WITH MOVE clause should be specified for any logical file name

I'm trying to do a copy database by scripting a backup and restore. I have the backup procedure working correctly but I keep getting the error Conflicting file relocations have been specified ...
6
votes
1answer
4k views

Backup a database with a huge number of tables

Is there a way to backup a PostgreSQL database with a huge number of tables? An attempt with pg_dump for a database of about 28000 tables resulted in the following error message: pg_dump: WARNING: ...
3
votes
1answer
403 views

Postgres Backup queries on AWS after reading Postgres docs

I am reading backup section of postgresql docs before heading over to create backup strategy on my EC2 instance. So there are 2 ways to do it. Create a dump using pg_dump. File level backup with ...