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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7
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2answers
4k views

How to do incremental/differential backup every hour in Postgres 9.1?

Trying to do an hourly hot incremental backup of a single postgres server. I have the following setup in postgresql.conf: max_wal_senders=2 wal_level=archive archive_mode=on archive_command='copy ...
7
votes
1answer
3k views

SQL Server Transaction Backups vs Logs

I've inherited a moderately-sized business-critical SQL Server 2008 database and am trying to wrap my head around backup planning. (I'm a developer, not a DBA.) The way our system is set up right now ...
7
votes
1answer
1k views

recover a single mysql database on a busy master-slave replicated system

Looking for a strategy or tool to deal with recovering a single database to a point-in-time in a busy replicated system. I have 12 databases running on 2 MySQL 5.0.77 servers in master-slave ...
4
votes
4answers
10k 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 ...
4
votes
1answer
3k 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 ...
3
votes
2answers
2k views

how to create backup for stored procedure,trigger and functions of a database in sql server 2008?

I'm having 2 databases in 2 different servers(.246 and .252). I need to create backup for all stored procedures, triggers and function from 252 server and restore it in 246 server.database name in ...
3
votes
1answer
659 views

Which are the minimum privileges required to get a backup of a MySQL database schema?

Which are the minimum privileges required to get a backup of a MySQL database schema? I am interested only on the schema, not on the data. Are SELECT privileges required?
3
votes
1answer
2k views

PostgreSQL Scheduled Database Backup

For scheduling a daily back up on a postgres database we execute the following command: 0 2 * * * /usr/local/pgsql/bin/pg_dump -Fp -b -U database_name \ > ...
2
votes
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
1answer
842 views

How to Backup and Restore Filestream Data

I am trying to backup and restore my database which includes a filestream filegroup. I backed up the database without the filestream filegroup and was interested to know what happens when you restore ...
2
votes
1answer
583 views

What is the best practice for backing up a database in Simple mode?

I am trying to create a SQL Job for backing up my database. I want to have: A weekly full backup A daily differential backup Something that will clean up backups that are older that 14 days I ...
1
vote
1answer
915 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 ...
6
votes
5answers
9k views

User Permissions Messed Up following a Backup -> Restore Operation

I had to move several SQL Server 2008 databases to our new db server so I backed them all up (to .bak files), copied these files over to the new box and restored them (all done using SQL Management ...
5
votes
1answer
3k views

How do I shrink the physical Transaction Log file when it's the principal in a mirror?

We setup database mirroring over the weekend, and forgot to re-enable the job that backs up the transaction logs. When I came in this morning, the transaction log had ballooned to 58GB, and was taking ...
5
votes
1answer
2k 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: ...
5
votes
2answers
8k views

How can I backup & restore a single FILEGROUP in Sql Server 2008

Previously, on ServerFault I asked a question about backing up and restoring a Sql Server 2008 Filegroup. Today, when I tried to RESTORE one of these FILEGROUP backups, I got the following error:- ...
5
votes
2answers
7k views

Why do we need to backup Oracle archive logs along with datafiles

Oracle® Database Backup and Recovery Basics 10g Release 2 (10.2) says that Archived redo logs are the key to successful media recovery. Back them up regularly. But, I wonder, why backups of ...
4
votes
1answer
363 views

Differential/T-Log LSN question

So, this is now my third question on this topic. I just keep finding more and more than i want to know and understand about how FULL recovery works. We transitioned a database to FULL yesterday by ...
3
votes
2answers
1k views

Does a MyISAM table locks if I copy it while MySQL is running? (READ DISCLAIMER)

DISCLAIMER: I'm very aware this is not supposed to be done, but time consistency between tables aren't a concert here and Im trying whatever pops in my mind right now to have alternatives for ...
3
votes
2answers
363 views

Archive a single giant table from a SQL 2008 database - filegroup backup?

I have an extremely large table (400GB data size, inside a 2.5TB database) that is no longer needed. Before we drop it, however, our client contract says we need to archive it to tape in case in needs ...
2
votes
2answers
53 views

Sqlserver: Get Meta-Info about TRN file

Is there any way to get the timespan of the data contained in a TRN-File? What I have: A backup of a transaction-log What I need: The timestamp of the first and the last entry inside the log ...
2
votes
2answers
137 views

Copying datadir directory enough for backing up a database with InnoDB tables?

I have an innodb table with 80 million rows and it's extremely slow with mysqldump so I'm thinking of copying the datadir directory for a backup / transfer. I used to copy database with only MyISAM ...
2
votes
1answer
451 views

Backup and restore FileTable files

I'm preparing to use the FileTable feature in SQL Server 2012, but I'm unclear about how backups work with this feature: Does a full database backup include FileTable files? How would I perform the ...
2
votes
2answers
228 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 ...
1
vote
1answer
51 views

Dump All Databases in MySQL - Fails on mysql and performance_schema

I have had two attempts at dumping all databases but both have failed, one with the mysql database and then with the performance_schema database. The precised errors are:- 11:01:01 Dumping mysql - ...
1
vote
1answer
68 views

DB2 ROLLFORWARD option “TO END OF LOGS” - does it read archive logs?

I read about ROLLFORWARD option on link http://www-01.ibm.com/support/knowledgecenter/SSEPGG_9.7.0/com.ibm.db2.luw.admin.cmd.doc/doc/r0001978.html?cp=SSEPGG_9.7.0%2F3-6-2-4-106 but I could not find ...
1
vote
1answer
106 views

ONLINE BACKUP is not performed from the CRON Job on LINUX server (manually it works)

I made a script which executes successfully online backup when it is run manually by the instance owner. Script is the following (two lines originally). #!/bin/bash /opt/ibm/db2/V9.7/bin/db2 ...
1
vote
1answer
272 views

What are the optimal mysqldump settings?

After some search I ended up with the following settings: mysqldump\ --host=localhost\ --port=3306\ --databases ****\ --user=****\ --password=****\ ...
1
vote
1answer
310 views

MySQL backing up MyISAM tables by copying the physical files - and automating the process

I have 2 databases with MyISAM tables running on a Windows 2008 Server. These databases are about 20GB in size with a few tables with millions of rows. My question regards backing them up on a weekly ...
1
vote
0answers
367 views

PostgreSQL continuous archiving - use snapshot for base backup on AWS?

I'm new to AWS and PostgreSQL admin and have been poring over the docs trying to come up with a good backup strategy for a fairly simple setup. I have a single Amazon Web Services EC2 instance that ...
1
vote
1answer
340 views

Decrease WAL file size for backup

I'm setting up a backup strategy based on WAL files archiving and transmission via rsync. As DB activity will propably be very low (less than 100 inserts/updates/deletes per day), at least in the ...
1
vote
0answers
727 views

Backup Restore Procedure error SQL Server 2008 R2

We use a stored procedure to do a backup and restore of databases as a copy function. This allows our front end users to spin up sites from pre created template databases. Lately we've been getting ...
1
vote
1answer
87 views

What synchronizes two delayed replicas, which is part of the replica set, included in sharded cluster?

Please take a look at my mongodb map at http://postimg.org/image/krzvmep4d/ What synchronizes two delayed replicas, which is part of the replica set, included in sharded cluster? How can I use my ...
1
vote
1answer
680 views

DB2 - Archive Mode - on what values to set LOGPRIMARY,LOGSECOND,LOGFILSIZ?

we must set our database from CIRCULAR to ARCHIVE mode in order to enable ONLINE backups. Backups will be done every 1 day. Database is now almost 30GB. Database grows approximately 1GB per month. ...
1
vote
2answers
300 views

What are the primary architectural differences between the backup formats of some of the more common RDBMS' and what advantage do they serve?

Of the systems with which I am familiar, I have noticed that SQL Server's native database backup format is binary and proprietary. PostgreSQL and MySQL allow for a simpler approach, dumping the ...
1
vote
3answers
376 views

xtrabackup prepare - after dump or before restore?

i have doubts about xtrabackup --apply-log. is there any difference when use it? should it be done right after dump or before restore (even few months later)? seems stupid, but maybe i missing ...
1
vote
1answer
4k views

DB2 Online Restore but Without Roll Forward?

I read a lot of documentations for db2 restore but I could not find how to perform online restore from the last database backup but without roll forwarding of logs? I will appreciate command ...
1
vote
3answers
182 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 ...
1
vote
1answer
6k views

Problem with View When Restoring a MySQL Backup

I have a database (InnoDB) with some tables, views and routines... Periodically I do a backup using the command line: mysqldump -u user -ppassword --routines db_name > backup.sql But I have a ...
1
vote
1answer
2k views

Write lock during mysqldump even using --lock-tables=false

When I try to dump an online database using --lock-tables=false, others cannot update the table. Are there any methods to solve this? As I am using MyISAM, does --single-transaction for InnoDB help? ...
0
votes
2answers
81 views

Which files in the “MySQL-5.0.27-win32” folder do i need to backup?

Ok, I am using a pretty old MYSQL "mysql-5.0.27-win32" and the file and the structure maybe different from the latest Mysql (mysql 7). Here is the current structure of of mysql-5.0.27-win32: In ...
0
votes
1answer
168 views

SQL Server FILELISTONLY command providing incorrect logical database name

When using RESTORE FILELISTONLY to restore a database using code the logical_name for the files is coming back as 423. However when I do a manual restore of the database the logical file name appears ...
0
votes
0answers
326 views

How to do point in time recovery of binary log files into .sql file

I have written a shell script to do an incremental backup of MySQL database. For point in time recovery I'm using the binary logs generated in /var/lib/mysql directory. For point-in-time recovery, Im ...
0
votes
0answers
319 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 ...