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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2
votes
2answers
81 views

Backup Strategy for Transaction Log. Tail or Standard Log Backup?

We are forced to perform some essential maintenance on one of our production environments. Instructions from the vendor state the recovery model of the database should be set to SIMPLE before the work ...
1
vote
2answers
31 views

The same First and the Last LSN

I use SQL Express and my database has the following backup schedule: Full backup - 24 hours Differential backups - 6 hours Transaction log backups - 30 minutes My question is: I have checked LSNs ...
0
votes
0answers
79 views

Database as it is raw content

recently I asked my hosting company to give the backup of my database . I asked them to create a new database and import backup to that database. But they reply cannot dump database ...
1
vote
1answer
159 views

Postgres: how to restore backup with WAL-E?

I am trying to setup Postgres and WAL-E. So far I have managed to install WAL-E and it appears to be working. I can make backups, WAL logs seem to be sent to S3, great. Here is what S3 looks like: ...
-1
votes
1answer
47 views

Data warehouse backup strategy

I have a data warehouse development environment. Just as the production environment. it loads data every night from test OLTP databases. I want a backup every time the load process finishes. What ...
0
votes
1answer
70 views

Database Full Backup fails being deadlock victim

On one of my SQL Server 2008 R2 Databases, Full backup job fails about twice a month due to Deadlocks. Transaction Log backup is only other job which is scheduled to execute at the same time. Can you ...
0
votes
0answers
17 views

3023 : File serialization issue with transaction log backups

I am trying to take a transaction log backup on one of the AO replica servers. It throws an error saying that backup operations must be serialized. I googled this and found that only one backup should ...
1
vote
2answers
141 views

PostgreSQL Write Ahead Logs Archive Mode

I'm trying to figure out various things surrounding PostgreSQL and how backups should work together with WAL and Commvault Simpana. Simpana is telling me that everything is ok, but leaves files lying ...
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 ...
1
vote
1answer
46 views

Incorrect backup size

We are storing our everyday full backup in remote storage. Everything seems to be working fine, but every seven day interval the archived folder size is much more than the everyday archived backup ...
8
votes
2answers
167 views

Backing up multiple databases to the same point in time

Usually when we start the backup we do not allow changes to commit or database will be not be accessible. I mean database will be in single user mode but I want to start the backup and release the db ...
0
votes
1answer
25 views

Is it possible to take the table level backup in mysql using any of the script?

I am new to MySQL and I am in need of the script which is taking backup of multiple tables from the multiple databases in single file in MySQL?
1
vote
0answers
30 views

Trouble getting automysqlbackup to keep connection to MySQL server

I am trying to follow the instructions from the following page to set up backups for mysql. https://www.howtoforge.com/tutorial/mysql-incremental-backup-point-in-time-recovery/ However, once I get ...
0
votes
0answers
7 views

Is making a recursive hard link of all files inside cassandra data file directory a safe way to back up the entire database?

I have a single node cassandra cluster running on my local machine. I want to back up my data file directory. My question is pretty simple. Say I was to search the entire data file directory and ...
0
votes
1answer
23 views

Export roles *with* privileges under PostgreSQL 9.3

New to backups under PostgreSQL. I've been backing up my database with the general commands, and it works well. Except no users or privileges are stored with it. I understand that I need to do that ...
0
votes
1answer
67 views

Sql Server log: is 'Backup|Log was backed up' the same as 'BackupDatabase: Log files done'?

One transaction log file is growing and growing for a couple of days and I can't find out why. Now I figured out that either the way the activities are stored in the sql logfile OR the behaviour of ...
2
votes
1answer
60 views

Why can a log backup not be taken without first taking a full backup?

I've created a new database using the FULL recovery model. Now I am trying to take a log backup without first taking a full backup. I'm aware that SQL Server won't allow us to do so, but I want to ...
0
votes
1answer
104 views

SQL Server BACKUP WITH FORMAT

When doing a SQL Server database backup using the T-SQL BACKUP statement, does WITH FORMAT only wipe out the specified Media Set or does it wipe out all Media Sets 'associated' with the database? ...
0
votes
1answer
44 views

Will an hourly T-Log backup in a Maintenance plan write a file if there are no changes to a DB?

I have an hourly maintenance plan the runs a T-Log backup. Some of my databases may have every hour represented in the file system, while others have some hours "missing" or even none at all. Is it ...
1
vote
0answers
44 views

Backup fails unless compression is enabled

I'm trying to back up a DB to a network share. The backup fails every time with the same error: BackupIoRequest::ReportIoError: write failure on backup device '\\share_name\Backups\filename.bak'. ...
0
votes
0answers
15 views

pgadmin III backup screen freeze

I wanted to get a backup for a very large database with pgAdmin, I started as usual backups, but after a couple of hours it still runs, and I can't cancel it also. I don't even get to see the file ...
1
vote
1answer
86 views

Query to back up a PostgreSQL database

I made a CRUD web application that uses a small PostgreSQL database. It is a donors database with the columns name, telephone, blood type, etc. I have some SELECT and INSERT INTO queries, but now I ...
0
votes
0answers
29 views

MySQL Storage Engine and Memory

I recently found out that, the databases does not have standard architecture(data model), some of them are, No relationship between tables(entities). No indexes defined. Only integer and varchar ...
1
vote
1answer
139 views

How to backup SQL Server database once evaluation period has expired

I'm using Microsoft SQL Server Management Studio from last one month that is evaluation period software. I'm not able to login in management studio. when I enter my user name and password it gives the ...
1
vote
0answers
16 views

I only have the original files of database but no .bak file, how do I restore the database? [duplicate]

We were upgrading a server from SQL Server 2012 to 2014 at work and it was giving us trouble so I passed it off to someone else who, when backing up the SQL Server database, didn't create a .bak file. ...
0
votes
2answers
64 views

MySQL Backup Strategy

We are running the backup from the replication server and it is working good, since we are not facing any other issues, some information for better understanding our strategy: Backup Type: Full ...
1
vote
0answers
39 views

Why does my differencing virtual disk grow so much after restoring a differential SQL Server backup?

Inspired by RedGate's upcoming SQL Instant Clone, I'm using virtual disks to store my test database and gain fast clones via differencing disks. I created a 30 GB VHD and restored a 18 GB database ...
0
votes
0answers
47 views

Performance drops after online backup

We are using DB2 Express-C 10.5.5 on Ubuntu Server 12.04.5 64-bit. Every night we do a full online backup: backup db MYDB online to /home/db2inst1/backup compress include logs after backup we do log ...
1
vote
0answers
18 views

Restore log backups to non-readable async AlwaysOn replica [duplicate]

We have 3 SQL 2014 instances in a AlwaysOn Availability Group. Our 2 primary servers are onsite at our primary data center in synchronous replication. A 3rd replica is at our DR site in Async Mode (no ...
0
votes
1answer
42 views

Backup chain for DBs restored from a different server

When a DB is restored from a different server (say, Test is refreshed with Prod), the info on the differential base is brought with the backup. So, the SQL instance will keep relying on the backup ...
0
votes
2answers
37 views

Transaction log backups cleaning

I have a quick question regarding the cleaning of no longer necessary transaction log backups. So, I have a database in FULL recovery mode. Every night, at 10 PM a backup takes place (via maintenance ...
1
vote
1answer
64 views

MySQL Dumper creating multiple files - spamming email confirmations

It's been a little while since I ran mysql dumper, but have done so successfully in the past many times, however when trying now something weird is happening. I had not changed the settings (I have ...
0
votes
0answers
23 views

Can I merge a newer version of a database with a backup copy

I have a backup of a database, and a newer version of the database. The newer copy, however, is does not include information that is in the older backup. I want to merge these into one - all tables. ...
5
votes
1answer
123 views

Transaction log in the full backup

I have a little misunderstanding when I make SQL Server full database backup. How does exactly full backup work? What data does it backup? Here is a case: I scheduled full database backup supposing ...
1
vote
1answer
56 views

How to backup a secondary log shipped standby mode database

We have a secondary transaction log shipped database configured for standby mode. Its primary purpose is for data recovery and for select only queries for reports etc. As the database is very big we ...
1
vote
0answers
118 views

Types of backups [duplicate]

I'm studying SQL Server and now am learning backup types. I have already learned about most common backups like full, differential and transaction log, but I guess that there are some more, so my ...
0
votes
2answers
46 views

at the moment mysqldump (22 minutes exec time, 5 GB Dump), when to use xtrabackup?

We use the Puppet code for deploying MariaDB. Those are the backup options. mysql::backup::mysqldump: Implements mysqldump backups. mysql::backup::mysqlbackup: Implements backups with Oracle MySQL ...
3
votes
0answers
44 views

What is Data Virtualisation?

I've just been asked whether our company should consider Data Virtualisation for our test environments. The benefits are given as: Screening of sensitive data Fast data refreshes in our test ...
0
votes
1answer
42 views

Window Azure SQL Server DB Backup to a local-Premise

One of my customers stopped subscribing to our services and they INSIST to have their data stored in their local SQL Server. Their data size is quite some amount though. We did try to use the Azure ...
8
votes
4answers
1k views

How are SQL backups different from IT regular nightly server backups?

Our IT department backs up the entire server every night (an SQL Server instance is installed on this server), which should be backing up that server as well as the entire network, in case something ...
1
vote
0answers
34 views

How can I make a database backup faster? [duplicate]

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
169 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 ...
0
votes
0answers
20 views

MS Access - Extract Data from Proprietary mdb file

my friend has this "software" that manages financial records, with a lot of user data per record. This "software" is really an access file. To launch it, you use msaccess.exe program.mdb, and it ...
0
votes
1answer
116 views

PostgreSQL : Master-Slave replication strategy and solution for 3 servers.

We have currently 3 servers(X,Y,Z) running Debian X64, two of them host projects(Y,Z), which don't require that much database, as they serve more static content, but the third server(X) is largely ...
-1
votes
3answers
73 views

To take a full backup and differential backup of all databases

Can anyone help me with a script to take a full or complete backup of all databases once in a week and to take differential backups daily. ?
1
vote
1answer
43 views

Differential backups are 2/3 the size of the full backup

I was investigating why my differential backups were taking almost as long as my full backups and I noticed that the size of the first differential backup after the daily full backup was 2/3 the size ...
4
votes
1answer
47 views

Why does Veritas backup take longer through CMDEXEC than cmd?

"c:\...\dbbackex.exe" -f "C:\...\backup.bch" -p policy_name -s server_name -np The above command, when run from command line takes something like 30sec to finish for a small db or transaction logs. ...
18
votes
1answer
579 views

Setting BUFFERCOUNT, BLOCKSIZE, and MAXTRANSFERSIZE for BACKUP command

I am looking for practical guidance for setting the values for the BUFFERCOUNT, BLOCKSIZE, and MAXTRANSFERSIZE of the BACKUP command. I have done a bit of research (see below), I have done a bit of ...
14
votes
3answers
165 views

Transaction Log Backups Serial or Parallel?

We happen to be using SQL Server 2012 Standard Edition. I also happen to use Ola Hallengren's scripts to provide an easy, more flexible framework for doing backups and maintenance. This question isn'...
1
vote
0answers
45 views

Trying to restore a db2 database but stops at roll-forward with error 'SQL1265N'

I'm trying to restore a backup that is older than the current database. The restore went ok, but the roll forward didn't giving the following error: SQL1265N The archive log file ".LOG" is not ...