Reconstructing a database.

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20 views

How to recover with Veeam after CHECKDB fails? [on hold]

I was wondering if anyone had any experience of recovering a SQL Server database after a CHECKDB failure and Veeam is your company's backup tool. Basically I want to know the process to restore the ...
2
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1answer
27 views

Can I get pg_rewind to show me lost data after a Postgres failover?

Say I have Postgres setup with a warm standby using the build in replication features. Now, imagine a scenario where the data centre the master loses power and the slave is in another data centre and ...
1
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0answers
31 views

Three Vital Postgres Columns Corrupted

I run a small website which uses a Postgres database. There are regular back ups based on the amount of traffic we have every few days but there was a recent surge of activity just before a power cut ...
3
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3answers
301 views

Restore database to point in time from full backup only

I have a database with recovery mode set to FULL. It's a dev database and I have two full backups dated 19th and 27th i.e. latest. One of the developer did some changes on 26th and I want to rollback ...
2
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3answers
89 views

Automated regular tests of your backups

I was doing some investigation on how other DBAs go about performing automated regular tests of their database backups to ensure recoverability in case of disaster and I'm quite disappointed at what ...
0
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1answer
40 views

Is there any way to recover lost table data on sql server without backups?

Unfortunately some tables are completely deleted with important data. The database is hosted on azure, but there is no back up for past 1 month as well. Is there any way I can get the lost data? The ...
6
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1answer
571 views

Why does database recovery take so long?

On my SQL Server 2012 x64 Std instance I had a large transaction fail due to the transaction log filling up yesterday, it couldn't be rolled back and SQL Server has restarted the specific DB to ...
4
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0answers
50 views

VLDB is stuck in recovery state. It's a permission issue, now what should I do?

SQL Server database which is very large (4TB) is stuck in recovery state. Reason: Data center had a planned downtime and we had to turn the physical machine off and when it turned on, as I read in ...
3
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1answer
124 views

Reattaching MDF files recovered from RAID 5

We had been running a SQL Server 2005 server for many years at our company when just recently, we ran into some trouble. The server was configured with RAID 5 and had one hot spare disk in the array. ...
3
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0answers
57 views

Recovery from Live to a new Slave Server - PostgreSQL - ERROR

I've started a new SLAVE PostgreSQL server set up. master: 192.168.100.1 slave1: 192.168.100.2 slave2(NEW SLAVE) 192.168.100.3 * NOTE: I run the pg_basebackup from another STANDBY SERVER. Not ...
1
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0answers
52 views

How to fix postgres stuck in recovery mode?

I have Jira and Confluence installed in a server. We didn't have any free disk space one day, and these services didn't started correctly, so after deleting some files we now have some free space ...
0
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1answer
36 views

How to recover the data from Redo Log Group which has not been archived yet

I have a normal situation where we have 3 Redo Groups (A,B & C) with 1 member (100 MB) each and database is also in Archive log Mode. In normal scenarios whenever there is redo log switch, there ...
1
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0answers
40 views

mysql innodb - strange data loss

I am running a mysql database on linux with several InnoDB tables. At some point, the ibdata1 file got quite big and I wanted to delete it. So I made a dump, deleted the file and restarted the server. ...
5
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0answers
108 views

Database msdb stuck in recovery

I encountered a problem while testing recovering backups (Veritas BackUp Exec 2015, just for you to know). Main Problem is: I couldnt restore the databases - looking on the target Server where I want ...
1
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1answer
23 views

automatic innodb redo log archiving

We have an option to do recovery through bin-logs, but we thought recovery through bin-logs is not 99% consistent because there is no LSN(Log Sequence Number)/SCN (System Change Number) in bin-logs ...
7
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1answer
362 views

Is it possible to restore SQL Server DB from transaction log (no MDF)?

We had a SQL Server 2005 server that housed roughly 200 low/no traffic archive databases, and that server was not backed up to any other device. The database files (MDF and LDF) were stored on a RAID ...
0
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1answer
26 views

Raid Configuration for MS SQL server [closed]

Please Help... What are the best RAID configuration for MS SQL server. High availability, redundancy and recovery are require. All I need is best performance. cost is not a factor for me but a 500-800 ...
3
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2answers
37 views

Restore PostgreSQL database (or db names) to new version, from files?

Scenario in short: a development laptop broke old HDD is still readable new laptop has PostgreSQL 9.4 instead of 9.1 both laptops use a flavor of Ubuntu Linux Question 1: Is my understanding ...
3
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1answer
26 views

How we can recover MySQL database (Innodb,myisam)

I have found some recovery tool innodb-recovery but it works only on linux machine, I would like to know how to recover innodb tables on windows. Transaction ID based recovery Cancel based, Change ...
7
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1answer
160 views

Can I recover a SQL database from Standby/Read-Only without a standby file?

Is there any way to recover a SQL database from Standby/Read-Only mode if the "standby file" is missing? (I see some references calling this a TUF file in a log-shipping scenario, but in my case, it ...
0
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1answer
20 views

SQL Server - Recovery Pending Error

We are running a series of Delete Queries to free up space on our SQL Server (2012) I was able to recover files after the "Recovery Error", but it is very time consuming. So I keep the size of my ...
0
votes
1answer
64 views

Oracle 11 rman db restore file corruption

First to mention that I came to the need of asking help after furious research I reattempts for about 3 weeks. I checked previous threads in Oracle community but nothing works for me. I am trying to ...
1
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1answer
97 views

RMAN backup of RAC database failing

Backup goes through if I don’t have any explicit connection to any instance : RUN { ALLOCATE CHANNEL ch1 TYPE DISK FORMAT '\\192.168.2.11\test\DF_CH00_%U'; ALLOCATE CHANNEL ch2 TYPE DISK FORMAT ...
2
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0answers
67 views

Data Corruption - ERROR: could not open segment 2 of relation

I am getting the below error for a production database. I am new to PostgreSQL databases. I need help to get this fixed. 2015-10-28 10:25:04,154 [monitor-thread-pool1-thread-6] ERROR ...
0
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2answers
87 views

Unable to start Oracle database

We have a oracle database, one data file(users table space) of the instance got corrupt and another data file(containing application data) was deleted due to some issue. The database is in ARCHIVELOG ...
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0answers
34 views

Unable to start Oracle database [duplicate]

I have a oracle database, one data file(users table space) of the instance got corrupt and another data file(containing application data) was deleted due to some issue. The database is in ARCHIVELOG ...
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1answer
50 views

Bringing SQL Server filegroups online

We've experienced an sql injection attack which corrupted our main db. The main db had two partitioned tables into filegroups. The corrupt database entered into Suspect mode, and it's been ...
1
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2answers
50 views

Oracle standby database recovery stopped

I have a primary and an standby database. Because my file-system became full in standby database, the recovery has stopped in standby. This is the present state of sequences in primary and standby: ...
2
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2answers
93 views

Automate - recover database using backup controfile

I am trying to automate a periodic clone of a database from one environment into another changing the database name. I have done this many times manually by doing a begin/end backup on the source ...
2
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1answer
66 views

Change recovery mode and enforce a transaction log backup?

I am going to do a special data deletion operation - once and during a maintenance with no user access (Sql 2008 r2). The result is a large deletion of millions of blob data from a table by ...
2
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1answer
143 views

SQL Server 2012 Always On Setup with two nodes

I have AlwaysOn setup with two data nodes and one witness. I faced an issue where my PRIMARY Server restarted abruptly. Here're some issues I faced during this timeframe. Due to abrupt restart of ...
0
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0answers
46 views

Restore a TokuDB table from main and key files only. (Status file missing)

I have a TokuDB table that for some reason has a missing _status.tokudb file. I am not yet sure, whether the file is missing due to a TokuDB crash or not. Question is: Is there a way to recover ...
0
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0answers
43 views

Recovered database files can't be attached

I have recovered my hard drive with my databases mdf and ldf files. When I want to attach them I get a 9004 error: Error: 9004, Severity: 21, State: 1. An error occurred while processing the log ...
0
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1answer
146 views

MySQL: Recover Master from Slave after failover

I have replication running between two MySQL instances on two separate servers. Let's say M is the master and S is the slave. It's setup as one way replication M->S. I currently have S as read only ...
0
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0answers
20 views

Deleted data from pg_authid

This is my first post on this site. I've recently by mistake deleted all data from pg_authid. As a result i couldn't log into database cluster (no user 'postgres'). I've managed to restore database ...
0
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1answer
195 views

How to recover deleted records by mistake in Mysql

I am using Mysql.And by mistake I deleted very important info.Is there a way to recover or even to see the deleted info over a month ago?
0
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0answers
32 views

Recover Oracle database with damaged system datafile

I'm working with Oracle version 11. My system01.dbf is corrupted and there is no backup. The database was in archive log mode and logs exists. Is there any way to recover data and import to a new ...
3
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1answer
111 views

SQL server restore readonly file group without backup from .ndf file

We have SQl Server database with ReadOnly file group. Common file groups except readonly are backuped regulary. We restore the database from backup but readonly file group has not restored, its *.ndf ...
1
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1answer
196 views

Postgresql - Point in Time recovery using recovery.conf and trigger. How to minimize the time waiting for .history files

Following http://www.postgresql.org/docs/9.1/static/continuous-archiving.html, I copy the WAL archives to another machine and apply them regularly. Recently due to pg server crash at my main server I ...
0
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0answers
144 views

Recover from mongodb crash during repair

I ran mongodb(v2.4.9) repair with the --repairpath option to external device and the server got shutdown expectedly. I ran it like this (not the first time): sudo -u mongodb mongod --repair ...
2
votes
1answer
33 views

Recover mysql using data folder

One of our MySQL servers died but somehow we were able to recover all the files from it. This server was a slave at one time however we stopped it being a slave so we could use it for housekeeping ...
1
vote
1answer
77 views

postgres: WAL files not being deleted during PITR

I have got an issue with setting up PITR on my postgres server: WAL archiving and restoring works quite well, as well as restoring to a specific point in time. The issue however is, that if i do a ...
1
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2answers
92 views

Rollback Committed transaction in SQL Server

Is it possible to rollback a committed transaction? I have deleted all the data in a table. The delete statement is inside Begin Transaction and I have committed the transaction with a commit ...
0
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0answers
71 views

Dropping a corrupt table in innodb_force_recovery 6

As often happens in mysterious shutdowns during large queries, things ran afowl with InnoDB on my XAMPP MySQL installation (Windows 7 x64). I rebooted and ran Startup Repair, then loaded MySQL to ...
0
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1answer
134 views

“Credential retrieval failed” during recovery of an Oracle database

When starting up automatic instance INSTANCE: RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== ...
0
votes
2answers
536 views

RMAN restore from tag

oracle 11.2.0.4 on redhat 6 SERV1 is prod server running database MAZ, SERV2 is developemt server with no databases on it. i have noted the dbid and last SCN, and then taken a backup on SERV1 using ...
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1answer
92 views

Can we restore mysql db without .ibd & .frm files?

I have a data folder and the database folder with .frm & .ibd files is missing, any way to restore the database? Currently the data folder has: ibdata1 ib_logfile0 ib_logfile1
2
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1answer
373 views

Is it possible to restore a MySql database only using files from Data directory?

I have a mysql installed inside a windows virtual machine. The hard drive was crashed and the system is not able to restore all again. But I can have access to entire c: ROOT. So I went to ...
2
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2answers
298 views

Switch from full to simple recovery

This is a theoretical question to help my understanding. What is the process to switch from full to simple recovery model in sql server? Is the process as follows: Take a trans log backup before ...
0
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0answers
126 views

SQL 2014 Database NDF file Lost - Filegroup offline

(Originally asked on StackOverflow and redirected here) I have a database that has lost one of its .ndf files and have been unable to get at the data. The ndf file in question was added last ...