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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314 views

SQL server 2005 SP4 differential backup is failing

We have an SQL server 2005 with SP4, x86. When we attempt to take the differential backup, we are getting the following error message. Cannot perform a differential backup for database "ABCD", ...
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2answers
173 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 ...
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3answers
4k views

Taking a backup of a single table in the SQL Server

I know how to take a backup of a database in SQL Server and restore it. But how can I take a backup of a single table, and then restore it? Is it possible? I have a database with two different names ...
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2answers
4k views

SQL Server 2008 Database Restore Error - Cannot open backup device 15105

I am trying to restore from a backup and getting the following error Msg 3201, Level 16, State 2, Line 1 Cannot open backup device 'Z:\FULL_BACKUP.bak'. Operating system error 3(failed to ...
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3answers
90 views

Is bulk-logged recovery model ever a good choice if point-in-time restore is not needed?

Is the Bulk-Logged recovery model in SQL Server ever preferable to Simple if point-in-time restore is never needed? I have read many articles about transaction log models, but cannot find a clear ...
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1answer
2k 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 ...
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1answer
435 views

How to flush SQL Server database from RAM to hard disk?

As part of the nightly maintenance plan, my working MS SQL Server 2012 databases are backup-ed with options of simple recovery and full backup. Transaction log is not backup-ed. Also, at nights the ...
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1answer
279 views

Restore SQL Server 2000 Database in use

I need to restore a SQL Server 2000 database to a backup of about 2 days ago. I have just backed it up and have tried to restore it, but it says it is in use. What is the best way to find out who is ...
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4answers
763 views

Automated SQL backup on a timely fashion, & cleaup the database for the backed up data

I need to back up SQL database (historian), on a timely fashion, and then clean up the database by removing the backed up data. I am using MS SQL 2008 (R2), on a Windows XP machine. The biggest issue ...
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1answer
443 views

Two databases of same size, backups sizes are very different

This is not a big problem for me, but still, I would like to understand what is happening here. I have two databases on my SQL Server 2008 (10.00.1600) - they are restored from the same backup (and ...
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1answer
182 views

Restoring a differential backup in SQL server 2005

I have created a full back up of my database by executing the line below in my application: Dim Query As String = "backup database Ari to disk='G:\Documents and Settings\i\Desktop\BKAR\" & ...
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2answers
1k 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 ...
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3answers
154 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 ...
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1answer
1k views

SQL Server: Simple database restore with overwrite

What I'm trying to do is backup one of our production databases and restore them as our dev database (overwriting what's been there). That's how I back up: backup database [authfx] to disk = ...
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2answers
4k 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 ...
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2answers
478 views

Oracle Databases - need to export nightly for backup/DR purposes

I know nothing about Oracle databases, so if my question's path seems odd, feel free to tell me the right way to do things. I have 2 ways I see currently that I can backup a server running 3 Oracle ...
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4answers
203 views

Database growth causing issues sending backup over network

We take a full database backup on our primary SQL Server, and send that file over our network to a remote site where it is recovered on a backup SQL Server. We use this backup database for slow ...
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2answers
1k views

How to backup to local drive and network drive simultaneously?

I can backup to a local drive and mirror: BACKUP DATABASE [xxx] TO DISK = N'XXXX.bak' MIRROR TO DISK =N'Network path \XXX.bak' WITH INIT --directly to network drive BACKUP DATABASE [xxx] TO DISK ...
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1answer
110 views

Does the SQL Server Backup Database Command also backup views from a Database?

I have a backup job (SQL Server Agent job) which will iterate through all of our SQL Server databases in SSMS, invoke the BACKUP DATABASE command to create a .bak file on a different server. This ...
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3answers
3k views

There is any option for mysqldump to ignore databases for backup in mysql

we have 40 databases in our server. we want to take 36 databases backup using mysqldump. how can i ignore remainig 4 databases in mysqldump command. there is any option for mysqldump to ignore ...
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1answer
1k views

automating a database backup, restore and stored proc call

How do I create a process that will: backup Database A restore it as Database X (needs to be definable) then run a stored procedure against Database X. shrink and truncate its log file. Anybody ...
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2answers
99 views

Backup of database X on SQL Server 2008 on server A - restore to SQL Server 2012 database Y on server B

I want to copy a SQL Server 2008 database to SQL Server 2012 with a different database name. Took a backup of 'production' and copied it to the SQL Server 2012 machine. Created a new SQL Server 2012 ...
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2answers
72 views

Backing up my SQL Server System Databases

I'm trying to create a recurring scheduled job to fully backup the master, msdb and model databases, I'm using the Maintenance Plans for SQL Server 2008 R2, in the "Specific Databases to choose from ...
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1answer
98 views

Is it possible to change the drive that Microsoft DPM backs up to?

A while ago our sysops guys created a 15 minute transaction log backup schedule using Microsoft DPM. We often have an issue where there won't be enough space on the Log drive to perform a backup ...
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1answer
127 views

Should my Postgres backup server be as beefy (IO, processor, RAM) as my master?

I've set up a Postgres database on a server with 2 CPU cores, 4GB of RAM and an SSD volume (on top of RAID 10 of course). This is our (sort-of) "beefy" production database server (I can easily add ...
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981 views

Shrinking log files with SMO

I know I can use the following t-SQL to shrink a log file: BACKUP LOG db1 TO DISK = '\\server\share\db1_log1.trn'; DBCC ShrinkFile([db1_log], 0); How do I do the same with SMO? I tried: $server = ...
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151 views

Move named instance to another server

To be honest I'm not a DBA expert. I get asked by one of my clients in terms of moving a SQL Server development instance that is stored in the production server (source) to another server ...
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4answers
3k 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 ...
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1answer
241 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 ...
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1answer
1k 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 ...
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2answers
1k views

Backup of Postgres database

I want to create a backup of my database in Postgres. I'm using pgAdmin. on my database I have clicked right button of mouse after that I've selected the "Create a backup of database" After that ...
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1answer
65 views

How do I determine if a database restore file should be restored to the database based on backupset?

I have a production database that is fully backed up nightly and incrementally backed up hourly. On our backup machine, we have the differential backups and full backups restored ion a regular basis ...
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1answer
2k views

Restore Oracle database from cold backup files

I have cold backup files for an oracle database. Can someone tell me a step by step procedure on how to restore the database on my machine.I am using Oracle 11g
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1answer
82 views

Back up and restore to main system

I have a software system running in my office with MS SQL Server in back end.I want to backup the database daily and delete all data from database so that only one-day data will be in the database at ...
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1answer
445 views

Oracle Backup and Recovery

My backed up archivelog file format is 'al_%U'. During recovery it shows the following error: RMAN-06054: media recovery requesting unknown log: thread 1 seq 17 lowscn 671075 How to determine which ...
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1answer
48 views

MS SQL Server 2012: once a day full replication (automatic backup/restore) for reporting

Our company is w/o a DBA, and it has fallen on me (a complete DB noob) to handle some critical database tasks. I'm looking for the best solution for us to be able to "copy" a full database to another ...
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1answer
80 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 ...
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1answer
67 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 ...
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1answer
218 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. ...
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2answers
69 views

Backup architecture for frequent backups of business critical DB

We've got a database (mysql) driven application which contains business critical information, were looking at building a system that will allow us to backup the db frequently (every 15 minutes, ...
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1answer
188 views

MySQLdump on specific db date

I'm new in here and i don't really know where to start but here is my concern. I need to backyp a MySQL DB running under windows once a week. For e.g every friday i need to backup and transfer to ...
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2answers
131 views

How can I create readonly user for backups in PostgreSQL?

Is it true that it is IMPOSSIBLE to create a readonly backup user in PostgreSQL? I've been advised on an IRC channel that you simply can't have a backup only user with no ownership privileges. I ...
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2answers
3k views

How to Fix log_reuse_wait_desc=LOG_BACKUP? LOG Backup not possible

I checked sys.databases to find out which databases need LOG backups. It surprised me that I had quite a few where log_reuse_wait_desc=LOG_BACKUP meaning, the JOB I have set up to run LOG backups on ...
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1answer
130 views

db2ckbkp - How to determine what tablespaces are temp-tablespace

I am writing a script to restore databases from backup. The script should need as little input as possible to fulfill this task (in an efficient way). The restore command takes the parallelism ...
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1answer
983 views

What happens if the mysql database's innodb log files are lost?

What I did was /etc/init.d/mysql stop then removed the files: ib_logfile0, ib_logfile1 then modified my.cnf file, variable: innodb_log_file_size and then: /etc/init.d/mysql start and allowed ...
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1answer
116 views

Help with best practice of merging databases

Bad news, our website server (Windows 2003) crashed because of dead RAID controller. Luckily few hours later our backup server was up and website was live again. Hopefully tomorrow our original ...
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1answer
472 views

How do I refresh SQL server cross database references after a database is reattached with a different name? (Are there hidden synonyms?)

I have 2 seperate SQL databases on the same SQL instance. Database1 references tables on Database2 in its views and stored procedures. Everything was working fine until we had to create a fresh ...
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1answer
71 views

MySQL: parallel restores at same time from backup files?

Slightly related to this question, but for MySQL: Would it be possible/wise to execute 2 parallel restores from a single backup? Is it possible/wise to do a parallel restore of two independent ...
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2answers
385 views

What's the best way to backup DB files via network on Linux and Solaris machines?

I wonder what the best way to backup files via the network. I have Solaris machines with Oracle 10i on a Veritas cluster. Machines are connected to EMC storage. The /data/oracle directory is mounted ...
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1answer
109 views

Online backups with VENDOR library: what should be set for ACTIVE LOG PATH?

My customer is using Veritas NetBackup so we use its library file in the LOGARCHMETH1 parameter for the VENDOR option. That is for archive logging path. What path should be set for ACTIVE LOG PATH ...