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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2answers
8k views

Transaction Log Maintanance While Using AlwaysOn Availability Group

We are using HADR ( AlwaysOn Availability Group) feature of SQL Server 2012. Server and AG Configuration as below: SQL12_SRV1 --> AG1(PRIMARY) - SYNC -->> DBTest SQL12_SRV2 --> AG1(SECONDARY) ...
3
votes
3answers
731 views

Performance impact of Splitting Table across files

EDIT: I think the original question (below) was not worded very well, and probably caused confusion. The basic question is: If I have a SQL Server 2005 database using a single .mdf file and I change ...
3
votes
2answers
430 views

Unable to BackUp Database on SQL2005

I have a database in MS SQL2005 that I can not backup. Whenever I try to create a backup of the selected database through SQL Mgm studio I get this error: The Backup of full-text catalog in not ...
3
votes
3answers
167 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
2answers
441 views

When does creating a .sql backup with mysqldump become too large?

Is there a limit to how large a database can be when executing a .sql backup using mysqldump, or will you run into server problems before that - will the server not be able to take such a large backup ...
3
votes
2answers
95 views

Viewing the SQL of a view from a backup set

I have a full backup of my database from 4 days ago. It is a standard SQL 2008 .bak file. What I'd like to know is if its possible to view the SQL to a View that is in the database I backed up without ...
3
votes
3answers
4k views

Sql Server 2008 R2: Simple recovery model with transaction log backups

I'm busy reviewing my SQL Maintenance plans and I'm a bit confused with the recovery model option on the databases, specifically related to point in time recovery. Here is my scenario: I have two ...
3
votes
2answers
2k views

Move (Restore) SQL Server 2005 database which does not exist before

I did not ready about this but found out after trying to restore a database from remote server and it wont restore if the database did not exist before. What I would do is create a .bak file (...
3
votes
2answers
1k views

How to backup a MySQL database without slowing the application?

I'm an application developer and wondering about our database backup strategy. Right now our sysadmins backup our database every 8 hours. I don't really know how the do it, but while the backup is ...
3
votes
3answers
990 views

SQL Server 2008 R2 - Specify the Full Backup to use when doing a Differential Backup

When I backup my Database, I do a Full Backup every day who goes on a tape. I am trying to use the Sunday's Full backup to set up an additionnal Differential Backup, how can I do this? It only takes ...
3
votes
2answers
233 views

Why database snapshot creation is faster than normal database backups?

Could you tell me any reason why creation of database snapshot is faster than database normal database backups in MS SQL server
3
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2answers
16k 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 ...
3
votes
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
633 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
128 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
764 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
63 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
4answers
331 views

How to backup live mysql database?

I have 12 GB MySQL InnoDB Database with around 800 queries per second. No sooner I start 'mysqldump' over it to make backup I start getting '503' on my website. How do I make backup of my live ...
3
votes
1answer
933 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
3answers
6k 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
22k 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
18k 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
476 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
382 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
275 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
2answers
80 views

Automate COPY command - Postgres 9.2

I've a backup table with several distinct IDS... I wanna do a BACKUP of those rows, by ID. The function has to be executed by a limit of account_id ( select dump(21); - Where 21 = number of ...
3
votes
1answer
34 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
929 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
102 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
280 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
3k 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
364 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
2answers
480 views

SQL Backup tuning large databases

I am tuning SQL backups using compression, writing to multiple files, and changing the BufferCount and MaxTransferSize options. I have SQL instance with a 4 TB database and several smaller databases ...
3
votes
1answer
74 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
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
1k 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
64 views

MySQL applying second incremental backup causes LSN in the ibdata files to be higher than LSN in the ib_logfiles

Using the backup procedure described below, it gives warnings. These warnings start to appear from the 2nd till 6th (last) incremental backup that is being applied to the base backup. How to solve ...
3
votes
1answer
45 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
128 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
2k 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
327 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
120 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 ...