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
397 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
592 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 ...
3
votes
3answers
2k 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 ...
3
votes
2answers
1k views

Quick MySQL Backup

I have a database which is grown to 3GB and it has 3 MyISAM tables. And I have 4GB RAM. What will be the best (quick) way to backup this database without any performance lack. Or mysqldump will work ...
3
votes
1answer
38 views

Is there a non-blocking operation to back up MyISAM tables using Percona XtraBackup?

I've been reading through the website of Percona XtraBackup and it claims that: Percona XtraBackup can back up the following storage engines by briefly pausing writes at the end of the backup: ...
3
votes
1answer
274 views

MongoDB: dbclient_rs replSetGetStatus failed{ ok: 0.0, errmsg: “unauthorized” }

When I'm using mongodump or mongorestore on a replica set these messages appear in the verbose output: dbclient_rs replSetGetStatus failed{ ok: 0.0, errmsg: "unauthorized" } The replica set is ...
3
votes
1answer
122 views

Backup of VM having SQL Server in it

I have SQL Server running on a virtual machine (VM). Weekly VM backup is done. My question is when we backup the VM, does it locks down the SQL Server or the databases residing in that SQL Server? I ...
3
votes
1answer
164 views

SQL Server Differential Backup Bloat

I perform daily full backups of all databases. Differential backups are performed every hour. The issue I am having is that around the same time each morning, a few hours after the full backup, the ...
3
votes
1answer
781 views

Transaction log backup file larger than expected?

I've recently taken over a SQL Server database that didn't have any transaction log backup routine running for at least 2 years. The first log backup was very large (3.8 gb on a 1.14 gb database) as ...
3
votes
2answers
321 views

Backup status report from multiple server in sql server 2005

Per daily routine activities of DBA, as we know backups are important to be monitored and to make sure they are corrupt free, i am trying to fetch a report to get such status. Moreover, we have SQL ...
3
votes
1answer
297 views

What is the use of Archivelogs?

Hi I am new to Oracle Database . Using Oracle 11g R2 I want to know the purpose of archive logs created at archive log destination, how they are helpful in database backup. Suppose I am having ...
3
votes
1answer
142 views

SQL Server Replication w/o network connection

Is there a way to use SQL Server Replication without a network connection? My would-be publisher is an SQL Server 2005. It is on the "outside" as it is connected to my company's primary LAN, which is ...
3
votes
1answer
1k views

In Postgresql, after pg_dump the access privileges on the database itself are not restored

Suppose user foo owns a database gee, and user foo has granted user bar with all access privileges on database gee gee=> \l List of databases Name | Owner | ...
3
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1answer
1k views

Using PgBarman for PostgreSQL 9.3 backup

I'm setting up a backup strategy for a PostgreSQL 9.3 db. My job includes: take db backups every day/week/month use a Synology NAS as remote backup device I'm thinking of using Postgres ...
3
votes
1answer
859 views

MyISAM : Should I be concerned by these warnings?

I restored some tables from recent Databases backups. Because Im supporting a legacy system that only uses MyISAM tables in their DBs, for backing up I used a little script that pretty much copies all ...
3
votes
1answer
251 views

Error with restoring from a split .bak file with password

I am trying to restore a backup from a split .bak file[.bak_1/.bak_2/.bak_3]. The backup is password protected. So far this is what I have and I cannot seem to format in a way that does not throw me ...
3
votes
2answers
203 views

Restore database to a instance in network

We are creating a application which requires sql database as backend to store data. So when user install my application he chooses a sql instance and its details. There we plan to restore the database ...
3
votes
1answer
1k 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
1answer
902 views

Postgres backup and WAL to S3

We are looking for a solution for the following problem: We have set up streaming replication so we have a master DB and a slave DB, we want to have basebackups and WAL files sent to our S3 storage ...
3
votes
1answer
358 views

Backing up a 400-500 GB database on MySQL/Amazon RDS?

We have an Amazon RDS small instance for a MySQL datawarehousing database. Database size will be around 400-500 GB very shortly. What is the best way to backup our database? Can it be done ...
3
votes
1answer
2k views

How to tell what's failing at making backups?

I have an instance of SQL server that is regularly getting errors like this: 02/25/2013 23:22:38,spid138,Unknown,BackupVirtualDeviceFile::SendFileInfoBegin: failure on backup device ...
3
votes
1answer
12k views

Error 9001, Severity: 21, State: 1 The log for database 'DB_NAME' is not available [closed]

I have a SQL Server 2008 R2. I got a mail that the backup had failed, I opened the SQL log viewer and started browsing. And i found these two errors a bunch of times. error 1: Date ...
3
votes
1answer
3k views

Why is my postmaster process (sometimes) becoming unmanageable after a WAL base restore?

TL;DR: Un-stoppable, unusable postmaster is being spawned when Postgres is started right after restoring its data directory from a WAL base backup. Why? Context: We run postgresql 8.4, on CentOS 6, ...
3
votes
2answers
2k views

Would it be possible/wise to execute 2 parallel restores from a single backup?

Every night I create a backup (to disk) of a particular database. Subsequently that backup has to be restored to 2 different servers. These restores now happen sequentially and take about half an hour ...
3
votes
2answers
305 views

SQL database backups methods-tools-procedures

Currently, I am investigating some way to more efficiently backup 4 Production SQL Databases (3 different servers/instances) and would like to know if anyone else has had the problems we are having ...
3
votes
1answer
8k views

Problem with View When Restoring a MySQL Backup

I have a database (InnoDB) with some tables, views and routines... Periodically I do a backup using the command line: mysqldump -u user -ppassword --routines db_name > backup.sql But I have a ...
3
votes
1answer
3k views

PostgreSQL Scheduled Database Backup

For scheduling a daily back up on a postgres database we execute the following command: 0 2 * * * /usr/local/pgsql/bin/pg_dump -Fp -b -U database_name \ > ...
3
votes
2answers
465 views

Archive a single giant table from a SQL 2008 database - filegroup backup?

I have an extremely large table (400GB data size, inside a 2.5TB database) that is no longer needed. Before we drop it, however, our client contract says we need to archive it to tape in case in needs ...
3
votes
1answer
306 views

Xen snapshots and live Innodb tables?

I am wondering if I can trust my host doing it's nightly snapshots with live Innodb tables. From what I have read: "Innodb is ACID-compliant, so you can "safely" use fs snapshot with Innodb tables." ...
3
votes
1answer
199 views

Create incremental/differential backups in ProgressDB

Is there a way to create incremental/differential backups in ProgressDB?
3
votes
1answer
105 views

Are database backups specific to the OS on which they are created?

I am trying to get a better understanding of the behaviors of database backups for Sybase (15.X) and Oracle (11.x) as it relates to the underlying OS. Is the backup file OS specific or can it be ...
3
votes
2answers
212 views

Extract specific backupfiles from SQL Server 2008 backup

I have a big .bak file containing a full backup and some transaction log backups. Is it possible to extract only the transaction log backups so I can copy them to another PC? (the full backup has ...
3
votes
2answers
34k views

Expired archived logs not deleted from RMAN catalogue

If I issue a LIST EXPIRED command in RMAN, I see a list of files with expired status, that is, they exist in the catalogue, but not on the disk (verified by ls). After issuing CROSSCHECK and DELETE ...
3
votes
1answer
111 views

How to check the health of a SSAS database? And of its backups?

regarding backups of the SSAS databses, based on the following behaviour: Backup on an empty SSAS database hangs Is there a way to check whether or not the SSAS backup is healthy? I would accept ...
3
votes
2answers
176 views

Operation System error 665 with VLDB backup (The requested operation could not be completed due to a file system limitation)

Has anyone seen the following error while doing backups? We have tried different LUNS from different storage pools and are seeing the same result. Here is the error message: Operating system error ...
3
votes
1answer
67 views

Best Design for this “Sweepstakes” Project?

Hello there fellow developers, Merry Christmas first aff all, and i hope you will have a happy new year soon. :) I was having more or less a problem with an idea that came to my mind. I am currently ...
3
votes
3answers
6k views

SQL Server Backup Job failed multiple times

I am getting the same error as mentioned by Mr.Ali Sql Server Backup Job failed Can anyone please explain the possible ways to fix this error as the backup is failing since 1 month. Here is the ...
3
votes
1answer
85 views

Impact of Log backups restore process after file\file group restore on a database

When we restore file\file group(backup1) backup on a database is it necessary to restore all log backups that were taken after backup1 to get database in consistent state?? and also what will be the ...
3
votes
1answer
147 views

selective undoing of commited transactions in PostgreSQL

I have inherited a small (<1M rows) PostgreSQL DB which contains complex business rules split across several tables. Updates are very light, reads not so heavy, but the data is extremely valuable. ...
3
votes
1answer
2k views

failed with the following error: “Write on ”…bak" failed: 27(error not found) BACKUP DATABASE is terminating abnormally

This issue has been puzzling me for some time now and I'm running out of ideas! Any help would be much appreciated! Here's the problem: MS SQL Server 2008 running on Windows Server 2008R2 ...
3
votes
1answer
457 views

how to verify mysql backup file

Is There any tool to verify the backup taken using mysqldump without manual restoration ? I have to take full backup daily so it is difficult for me to verify the backups daily by restoring them. As ...
3
votes
1answer
2k views

Is it possible to use 'restore UNTIL SCN' with rman and Oracle 9i in NOCATALOG mode?

I'm trying to do a hot backup with rman that I can copy to a USB drive so I can recover it on a new server. The backup was done two days ago and the restore database command was working on the same ...
3
votes
1answer
737 views

SQl Server 2008 R2 - sa can login but not access database

Up until this morning I had no problems accessing our database. This morning, something has changed and I can no longer access our database (called EMS_Main) using the sa login. I can log into the ...
3
votes
1answer
1k views

Filestream database backup error

We have DatabaseA that has filestream files in it. We then have an archive process which first deletes files in DatabaseB (different server) and then inserts new files from DatabaseA into DatabaseB ...
3
votes
1answer
150 views

How do I back up On Premise Microsoft SQL Server 2008 to Azure cloud

I have a 50 GB hosted SQL Server database at SoftLayer. I want to do backups to cloud storage, as the SoftLayer managed SQL Server backups are ridiculously priced. Eventually we will totally move ...
3
votes
1answer
867 views

AG and SQL Backups

I am using always on in sql 2012 and have an AG setup. I would like to know if i were to backup the primary database and restore it would that be allowed without taking the cluster down etc. ...
3
votes
1answer
969 views

Wrong behavior in Backups

Checking my Native backup this morning something wierd happened. I will describe the problem here. 1) The msdb table backup set shows me the backup was done successfully. 2) The errorlog shows me ...
3
votes
1answer
2k views

Script to Restore/Create SQL Server 2000 Database from Another Database's Backup

I'm trying to create a database, NewClientDB, by restoring another database's, OldClientDB, backup, d:...oldclientdb.bak. I've always done this via SQL 2000 Enterprise Manager, but the GUI keeps ...