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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1answer
1k views

Backing up file groups with restore to earlier backup

I have a task: I have created a database with a filegroup lamb that has a few tables. I need to extract a csv into a table in a filegroup named lamb and back up that filegroup. Then extract another ...
3
votes
1answer
95 views

Necessary to use a checksum on a backup and not solely the 'verify backup' option?

If want to ensure the integrity of a backup, would it be a necessity to use a checksum on all of my backups and not just the 'verify backup' option?
3
votes
1answer
630 views

Is it imperative that I backup my index files?

I have a few different instances (SQL 2000, 2005) with indexes placed in a separate filegroup. Do i need to ensure that this group is backed up, or will it be rebuilt by a restore of of the database?
3
votes
4answers
105 views

Is it enough to have only full backup and transaction log backup only for a good backup plan?

If Full backup is scheduled for every Sunday at 12 pm and differential back up is scheduled for for every 6 hours and transaction log backup is scheduled for every 15 minutes. My problem is what is ...
3
votes
2answers
427 views

Unable to create restore plan due to break in LSN chain

My backup plan is: Full backup - once a day Differential backup - every four hours Transaction Log backup - every 30 minutes. All database backup are stored on my computer. I add some wrong ...
3
votes
2answers
55 views

Enabling SQL Instant File Initialization when Restoring to a Network Path

We have a large Read Only SQL DB (SQL 2012) that we’re restoring to a NAS as a current duct tape solution. I had wondered why the restore process seemed to be hanging. Part of my guidance along the ...
3
votes
2answers
53 views

Which Log should I start backups with?

We have log backups running every 15 minutes and nightly fulls/diffs (fulls are once a week per DB, but they are spread across the whole week for load balancing). Lets say for a particular DB I have a ...
3
votes
1answer
866 views

How Do I Use PowerShell to Get a SQL Server Backup Status?

I need a power-shell script to obtain the following information Name of the database , LastBackupDate of the database and this information should be sent via an email converting the results to HTML ...
3
votes
2answers
21k views

RMAN list archivelogs that are needed for to recover specified backup

I've taken backup of datafiles in 31.12.2013. It completed datafile backups successfully, but archivelog backups failed. Now, I want to determine what archivelogs should I backup to be sure that my ...
3
votes
2answers
17k views

Backup Access Database Daily/Weekly

We have a Microsoft Access database split into backend/frontend. What I am looking for is to be able to automatically backup these files on a daily or weekly basis - what is the best way to go about ...
3
votes
2answers
455 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 ...
3
votes
2answers
381 views

Writing transactions to .MYD file to take Backup

I'm trying to backup MySQL DB by archiving the data directory of required databases. I'm doing FLUSH TABLES WITH READ LOCK before taking the backup, but even then some of the transactions were not ...
3
votes
2answers
270 views

Recovering from Oracle host OS disk failure (options)?

If an Oracle host OS has a complete disk failure and the host can be restored (assuming from a recent clone of the host OS disks) from backup, is it possible to then point the host to the existing ...
3
votes
1answer
2k views

Is SQL Server Backup single or multi-threaded?

If you perform a... BACKUP DATABASE [DB_Name] TO DISK=N'c:\backups\db_name.bak' WITH STATS=10 Will that perform a single or multi-threaded write? Our Server support company advised us that if we ...
3
votes
3answers
1k views

How and what do you backup for a simple Oracle DB?

Background: I am in the following situation: We have a JIRA instance running on a dedicated server machine (Windows Server). It uses Oracle XE to store all the data. The JIRA instance and a Oracle ...
3
votes
1answer
32 views

Separate differential backup from one restored baseline

I work on a team that customises software, part of this customisation is stored as records in a database, part is customisations to the schema itself and there are often some specific records in the ...
3
votes
3answers
132 views

How can I make a database backup go faster?

I recently attended an interview for my next job and was asked this: How can I speed up the backup of a database sized close to 1TB or 800 GB in SQL Server? My Answer: We can use Database ...
3
votes
3answers
652 views

Understanding the impact/risk of turning off “verify backup integrity” on SQL backup

Currently we use standard maintenance plans for backups on the SQL Server 2005/2008/2008R2/2012 servers in our environment, and the "Verify backup integrity" box has always been checked. Some of the ...
3
votes
2answers
90 views

How to write “Verify backup when finished” in T-SQL?

In SQL Server one can cross an option under Reliability which says "Verify backup when finished", when one makes a backup through the management studio. How can I write it in T-SQL? (I want to write a ...
3
votes
3answers
224 views

Putting the database in backup mode before making file system changes

We are planning to make a small change in the Linux file system. To be on the safe side, I thought I would take a SAN-level snapshot of all the drives beforehand. I was thinking I should put the ...
3
votes
2answers
2k views

Backup with mongoexport or mongodump?

For production backup, MongoDB recommends mongodump instead of mongoexport for accuracy of data. However, I would need to "scrub" data off a MongoDB database before backing it up. I am not aware of ...
3
votes
3answers
319 views

How can I get SQL Server restore start and end time information?

SQL Server error log reports only the end of the restore (ah doc restore) How can I get the start time? Is it stored somewhere?
3
votes
1answer
80 views

Tool for quickly backup and restore a table

Is there a tool for quickly backup and restore a table's data, preferably to a csv file? It would be best if I could do it using batch. Run a .cmd file and data is backed up into a file with datetime ...
3
votes
1answer
71 views

Is tlog backup on replica clearing VLFs on the primary?

Is it true that a transaction log backup made on the secondary database is clearing the inactive VLFs on the tlog file on the primary database (in case of Availability Groups)? I was not able to find ...
3
votes
3answers
5k views

how to restore differential back daily basis on sql server DB

Im working with SQL Server DB, what i need is that i have a DB1 and clients site communicate with this DB,Reporting module of the application is also using the same DB (i-e That shows different ...
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' ...
3
votes
1answer
2k views

pg_dump custom format between postgres versions

I was wondering how stable the custom pg_dump format is between Postgres versions. Can I for example restore a custom format dump created with Postgres 8.x in postgres 9.x? Background: I am building ...
3
votes
1answer
2k views

Restoring database to UNC path on local drive

When I try to restore a database using a restore command with a local UNC path: RESTORE DATABASE [dbname] FROM DISK = N'\\PC91\D\backup.BAK' WITH FILE = 1, MOVE N'test' TO N'\\PC91\D\dbname.MDF', ...
3
votes
2answers
1k views

How do I solve an error code 127 when doing a pg_dumpall through a cronjob?

I have this simple script to backup all my databases in postgres pg_dumpall -U pg_user > /tmp/tmp.txt DUMP_STATUS=$? echo "Dump status: $DUMP_STATUS" > /tmp/status.txt The dump ...
3
votes
1answer
491 views

How can I restore SQL Server database to a custom location, if the backup file was renamed?

Suppose I have an SQL Server database called bubu and the respective backup file is bubu.bak. If I want to restore it with the backing store in a custom location, I use the following T-SQL statement: ...
3
votes
1answer
955 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 ...
3
votes
1answer
39 views

backup/replication over inconsistent network

I need to setup a MySQL database server for a small number of local (write) users (~6) in a remote area with somewhat irregular internet access via WiMAX. Outages are not at predictable times or of ...
3
votes
1answer
101 views

Mongodb incremental oplog Dump not working

I am not able to take an incremental oplog dump. I am not getting any error messages the connection happens fine and also there is a operation recorded(shows up in db.currentOp()), but still nothing ...
3
votes
2answers
1k views

Archive Logs filling up Flash Recovery Area (FRA) space

I got hired to fill a position of DBA that I wasn't quite ready to fill, and while the training is getting me there, I am running close to a potential issue. My oracle 11g database's Flash Recovery ...
3
votes
1answer
241 views

Ola Hallengren solution, backups not cleaning up

I have about 30 SQL Server 2005-2014 instances, all of which use the excellent Ola Hallengran maintenance script to produce my full/diff/log backups. This has worked for me for years with no issues, ...
3
votes
2answers
105 views

Is it possible to backup stored routines and functions with Innobackupex?

I am running a few restore tests on my Dev and I've noticed that the stored routines are not being restored with the innobackupx. Is that something achievable ? Am I doing something wrong ? I am only ...
3
votes
2answers
171 views

Prevent logins loss when restoring a database

I'm backuping and restoring databases accross two sql server (v12.0.2000). But it looks like whenever I restore a .bak file, the login I created on the database that was backuped is no more existent ...
3
votes
1answer
133 views

pg_dump does not honor -n

I'm using pg_dump (9.2 database), to extract one schema and load this into another database (9.4). well, here's the command: pg_dump -f file.sql -F plain --inserts -n schema database Ok. My ...
3
votes
1answer
92 views

Full to Simple recovery mode during massive data update?

I`ve got a 50 Gb database, in which a table takes up 43 GB, and it's full of bad data(over 90%), and i plan to clean it. Database is in Full recovery mode. My plan is: 0 - take a backup for safety ...
3
votes
2answers
658 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 ...
3
votes
2answers
2k views

How to take pg_dump of a very large postgres database?

I have a production database server running Postgres 8.4 on Cent OS 6.5.The volume of data has increased recently and within few months database now has 18500 tables amounting to approx 350GB database ...
3
votes
1answer
899 views

Script out XMLA for all databases

I have several SSAS databases. I only want to script out the XMLA for them on a nightly basis. This will be a second tier backup in addition to the regular backups we have. How do I auto-generate ...
3
votes
1answer
6k 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 ...
3
votes
1answer
220 views

SQL - I have just Differential backup but database exists

I have Differential backup from my database.one table is deleted.my data is lost.i create that table again but i cannot restore Differential backup because sql wants a full backup first.if i get full ...
3
votes
1answer
174 views

SQL Database automatic back up

I have an SQL database - I need to back it up everyday (at a minimum) - preferably multiple times a day - automatically so it definitely gets done. I'm running Windows which the SQL database is ...
3
votes
1answer
172 views

Backup and off-site restore setup

I've been reading a lot of threads about different backup options for MySQL and was hoping for some more insight so I can settle on one. Our current situation is ~100 GB of InnoDB and MySAM data in ...
3
votes
1answer
396 views

Postgres Backup queries on AWS after reading Postgres docs

I am reading backup section of postgresql docs before heading over to create backup strategy on my EC2 instance. So there are 2 ways to do it. Create a dump using pg_dump. File level backup with ...
3
votes
1answer
8k views

Full and differential restore with two backup files - SQL Server 2008

We are trying to establish a maintenance plan with 2 separate backups. One full backup over the weekend and differential backups through the week. [the differential backup has a "_diff" appended to ...
3
votes
1answer
583 views

Oracle 11, incremental backup goes wrong

Got a pretty big instance on a one-week backup cycle with an incremental (differential) strategy .. or rather, that's what it was supposed to be. Somehow the daily differentials seem to come out as ...
3
votes
1answer
2k views

SQL Backups - Full vs Differential vs Log Shipping

I'm looking to refine our SQL backups utilizing Full, Differential, and Log Shipping. Currently, I am only performing full backups once at night. This process is taking so long that it is running ...