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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5
votes
4answers
5k views

SQL Server 2012 always-on backup, full vs copy-only

I need a quick clarification on copy-only backup vs full backup as it pertains to transaction log numbering and restore if required. I have SQL Server 2012 setup with always on for multiple ...
2
votes
0answers
184 views

Sql Server 2012 Enterprise Backup with no file [closed]

We currently have a database which increments 5TB a day. The current backup solution we have uses Avamar, which I believe does a kind of block comparison backup where there is no need for an actual ...
9
votes
1answer
956 views

Restoring differential backup creates DEFUNCT log file?

Here is my problem. I'm trying to move a database to a new server via a full restore, then cutover with a quick differential backup/restore. I can do a full restore without a problem, but when ...
4
votes
2answers
14k views

Problem with mysqldump and view

When using mysqldump to backup MySQL, I got following error. mysqldump --all-databases --routines >> all.sql mysqldump: Couldn't execute 'show table status like 'hdkien'': SELECT command denied ...
4
votes
1answer
453 views

Do I need to stop the service to back up the database? [closed]

We have several database driven applications using MS SQL Express, Pervasive, MySQL, and some sort of flat file database. PostgreSQL "may" be added later. We have backup software that is VSS aware. ...
0
votes
1answer
298 views

Slow performance of remote restore

Over the weekend, I was participating in a DR test. On the database side, that meant restoring backups from the production system to the DR system. What struck me as odd about the performance of the ...
2
votes
1answer
178 views

Recovering a partial PostgreSQL archive

I have $PGDATA/base but nothing else. It was taken from an installation after the postgreSQL service was shutdown, so is clean. Is there any way to recreate the other elements in $PGDATA that allow ...
2
votes
1answer
348 views

MAXTRANSFERSIZE setting causes restore to fail

I have a database that seems to be functioning fine with no apparent errors except that any full backup taken is broken - attempting a restore fails with an error "RESTORE detected an error on page ...
1
vote
1answer
3k views

How to know DB size using backup file without restoring it

Is there anyway so that we can estimated/know size of database using backup file without restoring it?
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? ...
0
votes
1answer
2k views

Restoring a SQL Server 2008 R2 backup on SQL Server 2005

I'm getting an error whenever I restore a testing database on SQL Server 2005 that was backed up from SQL Server 2008 R2. It seems that I cannot restore from a higher version of sql onto lower ...
1
vote
1answer
100 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 ...
4
votes
1answer
6k views

MySQL database freezing after 'use'

I recently made a rather stupid mistake and corrupt my Ubuntu installation. To resolve it, I booted with a live cd and copied the database files over. However, now I have copied the folders from the ...
2
votes
1answer
1k views

Database Backup from 2008 R2, Restore on 2012 Failover Cluster Instance

I have a production database server having sql server 2008r2. This is an old server and considering our load, we are moving to a better hardware configuration, Now the new environment is a cluster ...
0
votes
1answer
70 views

Postgresql create database from backup programmaticly [closed]

I got a big problems here. Let's say I got the table A (with columns like id, name etc) in the main database. So when I making INSERT into A I need to create new database lets say B_id. I got .backup ...
1
vote
2answers
5k views

How To Export-Import Database in Oracle 11g(Application Express Edition)?

I am beginner in Oracle 11g. I have created a database in oracle 11g(Application Express). I want to export this database with all data(whole workspace) and import this to another computer where I ...
1
vote
2answers
2k views

What is best strategy for backup on streaming replication(hot standby) environment

I have questions. What is best strategy for backup on streaming replication(hot standby) environment. I’d like to do backup on slave server and restore(PITR). First, I set up streaming ...
4
votes
2answers
2k 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 ...
0
votes
2answers
111 views

SQL Server - creating a historical data backup

I've run out of space on my SQL Server 2008 Express DB. i'm creating a "duplicate" SQL Server 2008 Express DB so i can backup my data before i purge my DB so i can start over. Is there a way in SQL ...
4
votes
3answers
701 views

Very high I/O on database during a backup maintenance plan

I've recently been having some hellacious problems with a specific maintenance plan. I found that part of the problem was that I had Shrink and Rebuild Index in my nightly plans, those have since ...
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
2k views

Get postgres snapshot from Amazon RDS

I can not find a simple way to get a copy of the nightly backup I take of my Amazon RDS postgres instance so I can restore it on my local machine to play with. Right now I'm doing a pg_dump when I ...
1
vote
1answer
399 views

Mysqldump --flush-logs results in small backup files?

New to MySQL and just learning how to setup a daily full backup (binary logs enabled). My goal is to run a daily full backup of the databases/schemas and reset the binary log. I'm currently using an ...
-2
votes
4answers
5k views

how to restore .bkp file in SQL Server [closed]

I have a .bkp file, how can I restore it to SQL Server? I have SQL Server 2008 and SQL Server 2012. Any idea?
1
vote
3answers
443 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 ...
4
votes
1answer
134 views

How dependent are backups on msdb tables like backupset?

I am trying to get some practice making a backup maintenance plan and restoring those backups. I have a script that churns through the most recent full database backup and any subsequent transaction ...
0
votes
1answer
306 views

Postgres Point-In-Time Recovery with a limited point in time

I'm configuring PostgreSQL WAL-based backup for point-in-time recovery. Actually, I don't really need any point in time beyond 1 month ago and don't want to waste time for the logs older than that. ...
1
vote
2answers
203 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 ...
1
vote
1answer
71 views

Backups in Availability Groups

In case of async commit setup and the backup preference set to secondary replica. I have observed, in case of high unsent log size, log backup on secondary replica starts failing for that database ...
1
vote
0answers
350 views

What's is the best way to get incremental changes from production to incrementally changed development database?

I came to a new dev team where all development is on the same (instance) of an SQL Server (2005) database once in 1-2 days restored from a current full backup of production database replacing a dev ...
0
votes
0answers
848 views

How to recover a crashed MyISAM table which myisamchk couldn't recover?

We take db backup by stopping the database and then issuing a tar -zcf on the mysql data directory. When we restore the data directory on another machine and try to start the slave, the mysql error ...
1
vote
1answer
761 views

Restoring backup from mysqldump does not remove additions

I am restoring a backup from a mysqldump and noticing that if I made additions (in the form of new tables) to the database they persist after the restore. I can go back in and remove those tables to ...
0
votes
1answer
204 views

postgresql backup and recovery

I’m trying to set up backup strategy for a production postgreSQL DB. It will have large amount of data and it should be running 24 X 7. Could you recommend some backup & recovery strategies that ...
2
votes
4answers
801 views

SQL Server Table Backup

A friend of mine has run into this problem on SQL Server 2008, please suggest a solution: He came to know that auto backup scheduled on server were not taking place since last couple of days, when he ...
1
vote
0answers
382 views

restore using mysqlbinlog failing

While doing restore from a MySQL binary log file, it is failing with the following error . mysqlbinlog mysql-bin.000036 | mysql -u root -p asdb ERROR 1032 (HY000) at line 48: Can't find record in ...
1
vote
1answer
678 views

Backup Database (SQL 2000 Compatibility) on SQL Server 2005 with CHECKSUM, but Page Verification TORN_PAGES Detection

I am trying to backup a 250GB database on SQL Server 2005 running in SQL 2000 compatibility mode. The page verification is set to TORN_PAGES detection. So, far the backup has been corrupted when we ...
3
votes
2answers
9k views

Restore .Bak file to different Server

I Copied some database backups from one server to another server(new instance no databases are present).I tried restoring using below command Restore database dbname from disk='g:\e2bak\dbname.bak' ...
1
vote
1answer
145 views

Create database before restore multiple files

I've several database, most of them have multiple files (both data and logs) and multiple diff and trn backups. I've already a restore script (scheduled and working on other server) that takes all the ...
3
votes
1answer
822 views

SQL Server 2012 - Large backup file size

We have the following setup: Once a week (Sunday at midnight), a full database backup is performed. A new BAK file is created for this purpose, let's call it Backup1.bak. From then, a transactional ...
1
vote
1answer
2k views

mysqlbinlog failing with “ ERROR 1032 (HY000) at line 48: Can't find record in `` ” Error

I am facing some issue with PITR restore using mysqlbinlog . It is failing with the following error . # mysqlbinlog mysql-bin.000035 | mysql -u root -p db Enter password: ERROR 1032 (HY000) at ...
1
vote
1answer
1k 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
130 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, ...
0
votes
1answer
545 views

why mysql binlog creating new log file daily

I have started binary logging on MySQL server on my Ubuntu. It start creating log files in /var/log/mysql. My my.cnf configuration is as follows: log-bin="/var/log/mysql/" expire_logs_days=10 ...
0
votes
1answer
226 views

What does it mean to backup a database

What does it mean to backup a database? My impression is that you would simply dump everything that makes up the database into some format that can be stored externally and used to restore from when ...
4
votes
1answer
128 views

Settings for a MySQL backup only slave instance

I have two instances of MySQL running one a server, set up as master and slave. It's all working smoothly together and I'm only using the slave instance for backups to avoid locking up the live ...
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 ...
0
votes
0answers
96 views

Backup is getting failed with following error

Msg 3202, Level 16, State 1, Line 1 Write on "\w-mum-fp\SQLBKP\Weekly-FL\Interactions_26_01_2014.bak" failed: 1130 (Not enough server storage is available to process this command.) Msg 3013, ...
1
vote
0answers
116 views

Differential backup job is working but not the Full daily backup

I have a full backup job for my database that runs once daily, I see it posted daily in the folder that it should go to, but when I check the "View History" for this job in SQL Server Agent, there are ...
0
votes
1answer
91 views

Oracle backup and recovery using RMAN

Can some please provide a quick guide for backup and recovery of Oracle 11 DB? I just need to test it very quickly so i don't need something too fancy, but should be scheduled. Thanks in advance.
2
votes
0answers
177 views

backup history script produces incorrect results

I have a database that is backed up via maintenance plan. The database is scheduled to be backed up at 8:00PM. It usually takes 6 hours to complete. According to this query, SELECT distinct ...