4
votes
1answer
58 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 ...
4
votes
1answer
99 views

FULL recovery and differential backups

I am going to begin transitioning several of our databases to FULL recovery from SIMPLE. I asked a question last week regarding deployment strategies and I have one additional question. Consider ...
2
votes
2answers
57 views

Switching from SIMPLE to FULL recovery mode implications

I have several databases that I'd like to move over to FULL recovery mode so we can have point-in-time restore capability. We don't need it on all of our databases, just the ones that are transaction ...
1
vote
1answer
24 views

Equivalent SQL Server's Backup COPY ONLY in DB2

In, DB2 when you have a recovery strategie, you have a Full backup, then some deltas or incrementals in between. They are creating based on the previous full (first delta, or any incre. ...
1
vote
1answer
99 views

SQL Server 2005 Restore Backup Status Recovery Pending

So at work something dreadful happened a database server went down and I am having an issue recovering one of our databases from our backups. When I try to restore from a backup using SQL Management ...
0
votes
0answers
31 views

I need a way to implement an incremental Backup/Recovery on mysql client

I need to be able to do a point-time recovery in mysql client from the mysql server. For example I need to Download only the information that have change since last backup. I can do that using log,but ...
1
vote
3answers
95 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 ...
1
vote
1answer
131 views

Firebird database recovery and protection

I'm sure many companies are running critical Firebird database servers in production 24/7. Other than regular backups, what backup/recovery/protection techniques are available? I am also interested in ...
5
votes
2answers
328 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 ...
1
vote
1answer
1k 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 ...
2
votes
1answer
503 views

I need help understanding Postgres's archive cleanup functionality

I'm reading http://www.postgresql.org/docs/9.2/static/pgarchivecleanup.html and to me it seems like it will remove any and all WAL segments from my slave server that aren't required to perform ...
3
votes
3answers
2k 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 ...
1
vote
3answers
442 views

Restore Oracle tablespace to 2 days before

I have multiple test tablespaces in an Oracle SID. One of the tablespace is updated with wrong data. It works fine 2 days before. I want to restore the tablespace to 2 days before. Can anyone ...
-4
votes
1answer
85 views

Oracle database and data has been corrupted. Is there a way to get it back? [closed]

The Oracle database has been corrupted and both the data and backups were lost in the corruption. Is there anything I can do to recover my data? It would be terrible if it were all lost.
0
votes
1answer
127 views

OK to put temp tablespace on volatile storage or to omit it from backups? (Postgresql)

I would intuit that it's fine, but I just want to make sure there are no gotchas from a recovery point of view: If I were to lose my temp tablespace upon system crash, would this prevent proper crash ...
-1
votes
1answer
171 views

Should I keep pg_xlog on the same disk as data if using disk snapshotting?

We're running on EBS volumes on EC2. We're interested in leveraging EBS snapshotting for backups. However, does this mean we'd need to ensure our pg_xlog is on the same EBS volume as our data? (I ...
0
votes
0answers
97 views

Tape rotation strategies

I am trying to find a tape rotation strategy that would be optimal under the following conditions: Backup Media Rotation strategy should support the following: Media Archives required ...
0
votes
0answers
244 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 ...
1
vote
3answers
158 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 ...
2
votes
1answer
406 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 ...
3
votes
4answers
202 views

Does it make sense to use full recovery if the data and log files are on the same HD?

We have a database that was set up to use full recovery and my guess is that the reasoning was only to prevent data loss if a failure happened between backups. We make daily full backups of the ...
4
votes
1answer
554 views

Retrieving data if control file is lost in oracle Database

Suppose if the databases control file is lost permanently (no backup). Can we retrieve the data from data file in Oracle database?
6
votes
2answers
526 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 ...
4
votes
2answers
327 views

Change Location of VALIDATE RECOVERY FILES work area

Is there a way to tell the VALIDATE RECOVERY FILES command to use a different location with more available disk space? When I run the command in RMAN, it fails with the following error stack: ...
4
votes
4answers
1k views

RSync Database File Deltas in SQL Server 2008

Alright, I feel like this is a terrible idea, but I need some help understanding why this is bad: I'm still working on implementing a disaster recovery/business continuity solution for our ...
2
votes
1answer
241 views

Initial recovery Postgres with backup in sync commit mode

I've got a master and a slave postgres 9.1.3 database. I would like to init the backup database for the first time. I did the following steps: Stopped master Copied all files to Slave Create ...
2
votes
3answers
940 views

Is it good idea to change Simple Recover Model into Bulk-Logged on ETL system?

We are having an ETL process which inserts lots of data into tables. This database is set to Simple Recovery Model and the transaction log is growing a lot. I was thinking that would it help to set ...
7
votes
1answer
7k 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 ...
3
votes
1answer
3k views

RMAN-06054: media recovery requesting unknown archived log, Where is SCN kept?

I have the following situation: Backups of DB1(located on srv1 server) database are taken everyday at 1:00 AM. I took backed up files(datafile,archivelog,controlfile,spfile) of 24/10/2011 and ...
1
vote
1answer
147 views

Oracle Backup/Recovery architecture

When we write the following: allocate channel ch1_tape type sbt; set controlfile autobackup format for device type sbt to '%F'; restore controlfile from autobackup; RELEASE CHANNEL ch1_tape; By ...
2
votes
1answer
137 views

Oracle Backup and Recovery Issue

I have backed up database located on Host1 and restored/recovered it on Host2. After a while, I backed up DB on Host1 again. Now I want DBs on Host1 and Host2 be the same using last backup. How can ...