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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8
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2answers
735 views

PostgreSQL Complete Database Backup

I've been trying to figure out how I can completely backup my PostgreSQL database. I have not seen any resource that explains how to do a complete backup. I am aware of the pg_dump and pg_dumpall ...
8
votes
3answers
2k views

Database backups in Oracle - Export the database or use other tools?

One of the "practices" that I've seen about being performed by DBA's in my organization is to treat a full database export using tools like exp / expdp as backup. Would this be a good practice ? What ...
8
votes
2answers
7k views

How to delete a Backup from a backup set in SQL Server 2008 R2

The title pretty much sums it up. We are running out of space on our backup disks, and need to remove old backups out of the set. I can't seem to find any information on this.
8
votes
3answers
808 views

Restricting users to COPY ONLY backups

I am looking to deploy log shipping in my production environment. This will mean I will have to manage backup chains which could be disrupted by people taking backups to refresh development ...
8
votes
2answers
340 views

Shrinking a SQL Server Transaction Log

I’m currently having to deal with a SQL Server transaction log that has got out of control. Disclaimer: I’m not a dba and this isn’t my area of expertise so please bear with me. Currently I have a ...
8
votes
2answers
191 views

How many backup devices is recommended to improve backup performance?

In order to improve performance of our SQL Server backups we backup to multiple backup files. On most blog posts about this topic they say to use multiple backup files but, is there a point where ...
8
votes
2answers
819 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 ...
7
votes
3answers
4k views

Will the transaction log shrink automagically in SQL Server?

When SQL Server database in a SIMPLE mode, you don't have to care about the transaction log bakcups. But in a SIMPLE mode, the transaction log seems to grow as it does in FULL mode. Does is truncate ...
7
votes
5answers
14k 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 ...
7
votes
2answers
4k 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 ...
7
votes
1answer
8k views

Does mysqldump -all-databases include all objects

Does mysqldump -all-databases include all objects ? I have to migrate all databases to new server.
7
votes
2answers
21k views

What is the use of “Backup set will Expire:” option while creating Backup Database task in Maintenance plan

While backing up the database, I would like to use "Backup set will Expire:" option to delete/overwrite old database backups. I am not able to use this option. Any advice on how to use "Backup set ...
7
votes
1answer
18k views

Query that displays backup information (successful and failed) SQL Server

I have two jobs that backs up two different databases. Job 1 backs up DB1 Job 2 backs up DB2 DB1 fails to back up due to low space on Drive 1 resulting to a Job 1 failure. To fix that issue, I just ...
7
votes
1answer
13k views

How can I recover data from the LDF file?

We are using SQL 2005 Express Edition. We want to read the data from the LDF file in order to restore some deleted records. We tried using a trial version of ApexSQL which helped us a lot. Instead of ...
7
votes
3answers
1k views

What methods are available to create a snapshot of an oracle database for testing purposes?

I am new to databases and have just been assigned to work with Oracle. We want to create a snapshot of the database for testing purposes that will allow us to revert back once we're done. I'm a bit ...
7
votes
1answer
324 views

Error in SSMS when attempting to restore a database

We have over a dozen SQL servers, one of which hosts a couple of hundred sage databases, when i right-click on the Databases node in SSMS there is a long delay then i get the following error (and the ...
7
votes
1answer
1k 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 ...
7
votes
1answer
2k 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 ...
7
votes
1answer
12k views

Restore encrypted database to another server

I'm using a product which runs on SQLServer 2008. Understandably the company supplying it don't offer SQLServer support. When I installed the product I specified a password to encrypt the database. ...
7
votes
1answer
320 views

Can SQL Server be configured to backup to a network share through a separate NIC?

We're in the process having our SQL Server instances backup to a network share, but our network admins want to try and divert the bandwidth from the backups through a different network segment. I was ...
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 ...
7
votes
0answers
2k views

Mongodb incremental backups

I was given the task to setup incremental backups for mongodb replicaset, as start point of course I googled about it and could not find anything on mongodb docs, I did find however this question ...
6
votes
4answers
3k 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
votes
3answers
13k views

Why is a .bak so much smaller than the database it's a backup of?

I just took a backup of a SQL Server database. The MDF and LDF files together total around 29 GB, but the .bak file was only 23 GB, about 20% smaller. My first guess when one version of a set of ...
6
votes
3answers
12k views

How to restore multiple backups

I'm using ExpressMaint and Windows Scheduled Tasks to create weekly full and daily differential backups of some MS SQL Server 2008 R2 Express databases Weekly fulls expressmaint -S ...
6
votes
8answers
14k views

Taking backup of all the databases in SQL Server

I have a Microsoft SQL Server 2005 DB server. In the DB server, I have around 250 user databases. I have to take a back up of all these databases. Since, manually taking backup consumes lot of time, I ...
6
votes
1answer
3k views

What is the difference between XtraBackup and rsync?

Yes, I'm going to run strace on them both... However, I would like to know ... What is XtraBackup is doing over and above rsync -ac src dest ? What's so special about XtraBbackup ? How is XtraBackup ...
6
votes
2answers
628 views

Save postgres database from broken ubuntu 10.04 server

Recently a database server with an important db broke (some grub linux issue that I'd prefer not to solve). I can still access the filesystem. Is there a chance to transfer the database by only ...
6
votes
2answers
729 views

Two Different Sources Taking Transaction Log Backups

I have inherited a database server with SQL Server 2005. The databases have full recovery mode with hourly transaction log backups. There are two sources taking full backups overnight and hourly ...
6
votes
3answers
11k views

Transaction Log maintenance when switching to Simple Recovery

Background: I recently inherited 50+ SQL Servers with 450+ databases. The nightly backups are roughly 8TB and, needless to say, we're using more disk space than we'd like. All of the databases are ...
6
votes
3answers
3k views

Is SQL Server's FILETABLE suitable for storing large files (bigger than 10 GB)?

There is a project for lab. The requirement to save the lab data (raw data and related infomation ) for research for years. So the data must be saved for years, but the data is so big, every raw ...
6
votes
3answers
11k views

How to log error details when using using try/catch for dynamic SQL backup commands

When issuing a backup command within a stored procedure that uses a try catch and dynamic sql, the error messages are very general when compared to running the backup command directly. Try/Catch ...
6
votes
5answers
637 views

SQL Server Backup Process Tuning

I am working for a small company that has 20 full time web sites. And another 20-30 micro sites. We are having issues with the sites freezing every day after the SQL Server Agent backup is running. ...
6
votes
1answer
435 views

SQL Recover from .bak file with NOINIT

This will, hopefully, be a nice and quick question for someone out there. It continues from my previous question. I have a .BAK file that I'm trying to restore. The .BAK was created with the NOINIT ...
6
votes
1answer
121 views

When you back up a database and scripts are running at the same time, at what point in time does the backup reflect?

If I run a SQL Server database backup via Management Studio and there are scripts running at the same time, does the backup reflect the point in time when the backup was started or when it ended? My ...
6
votes
1answer
1k views

Why do we use FILE = 1 in scripts for restoring a database

Recently when I came across the script for restoring a database, I got a doubt on why we have to use "FILE = 1"? Can't we restore a database without that statement!? Basically, what it is used for?
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 ...
6
votes
1answer
588 views

How to back up a small database in SQL Server 2008 R2 Express Edition

I will shortly be migrating a database from SQL Server 2000 (part of SBS 2003) to SQL Server 2008 R2 Express Edition The database is small, and there are only a few hundred short transactions per day ...
6
votes
2answers
557 views

Does .bak file also contain backup of ldf file?

I am running MS SQL Server, which is holding mdf and ldf files of sizes 110 GB and 245 GB respectively. My question is, if I take .bak backup of said database, will it result in 355 GB (110+245) ...
6
votes
2answers
93 views

SQL Server Backup transaction error

Hi I am attempting to backup the transaction log file to setup mirroring in SQL Server I execute BACKUP LOG CUSTOMER TO DISK ='K:\JonDB\CUSTOMER.trn' WITH INIT GO And I receive Processed 6587361 ...
6
votes
4answers
323 views

Only do log backup if necessary in SQL Server

We have transaction log backups taken every few minutes from many databases. Is there a way to determine if there were any committed transactions since the last backup and only then do a log backup? ...
6
votes
1answer
4k 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. ...
6
votes
1answer
8k 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 ...
6
votes
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 ...
6
votes
2answers
11k 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:- ...
6
votes
2answers
172 views

Understanding Backup Types

I have recently started a role as a junior DBA... Yesterday I created a new database for a co-worker and my boss asked me to make sure we get a backup plan on it asap. I didn't think much about it, ...
6
votes
1answer
3k 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: ...
6
votes
1answer
93 views

RESTORE VERIFYONLY locks file in Azure Blob Storage

I'm using SQL Server 2012 SP2 to backup my transaction logs directly into Azure Blob Storage using the BACKUP TO URL statement. I am then attemtpting to verify my transaction log as follows: RESTORE ...
6
votes
1answer
6k views

SQL Server backup fails on disk space error

SQL Server 2008 R2 RTM running on Windows 2008 64bit. Having problems backing up a single database with the following command backup database [somedatabase] to disk = ...
6
votes
2answers
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 ...