05 Jul 2023

DBRECOVER for Oracle Recovery Scenario: Ransomware malware encrypts and damages datafiles

Ransomware malware encrypts part or all of the content of Oracle datafiles. As Oracle datafiles are generally large, encrypting the entire file may take a long time, so some...

Oracle Ransomware DBRECOVER
05 Jul 2023

DBRECOVER for Oracle user guide 0.5

Dbrecover for Oracle user guide 0.5

Oracle DBRECOVER
21 Jul 2021

Oracle Data Recovery

I was using the Parnassus DUL community version for Oracle datafile recovery which has been affected by ransomware. The table was recovered and bridged into an Oracle database...

Oracle Ransomware DBRECOVER
21 Jul 2021

Oracle DB force open failing

We are unable to open the DB with force option. We are getting below errors. ALTER DATABASE OPEN * ERROR at line 1: ORA-01589: must use RESETLOGS or NORESETLOGS option for...

Oracle DBRECOVER
21 Jul 2021

DBRECOVER for Oracle

We are about to purchase the DBRECOVER for Oracle, because we have a corrupted DB, with no backups and no dmp. We have tried the demo version but we have some problems and we...

Oracle Backup DBRECOVER
21 Jul 2021

ASM Disk Header Corruption

ASM disk header corruption We are facing the issue of ASM disk header corruption on RAC 12cr1 (12.1.0.2 on rhel 7.1). What are the all possible reasons for ASM disk header...

Oracle ASM
21 Jul 2021

Recovery of Data from Deleted Oracle datafiles

We have a situation and would like to know if you can help to recover the data from Oracle database. Problem Statement: Oracle datafiles was deleted using OS command (rm –rf)...

Oracle Backup Data Loss
21 Jul 2021

SYSTEM01.DBF Corrupted

Due to a recent power outage our storage server got corrupted. OS: Windows DB: Oracle 11g R2 Version: 11.2.0.4 Incident: SYSTEM01.DBF is corrupted and we have all other DBF...

Oracle Backup DBRECOVER
21 Jul 2021

Recover Oracle data

One of the SYSTEM tablespace datafiles was lost in my database and database can't be opened. I don't have a backup. I want to use your tool to recover data from non-system...

Oracle Backup DBRECOVER
21 Jul 2021

ORA-39246

It ıs possible to recover from ORA-39246 dump file..? Please try this DBRECOVER.com/ OraDumpReader200707.zip the software can only run on windows. You can copy the file to any...

Oracle
21 Jul 2021

Recover of a private Oracle 11g database

Due to a power outage 13 of january got the error message ORA-01033 and corresponding messages Ora-00355, ORA-00353 and ORA 00312 when trying to read and recover Oracle tables...

Oracle DBRECOVER
21 Jul 2021

ORA-00600 12807 Quick Fix

We provide ORA-00600 12807 quick fix as a service . contact us [email protected] Bug 13781691 ORA-600 [12807] if CON$.CON# very high due to bug 13784384 Affects: Product (...

Oracle
21 Jul 2021

MariaDB Recovery

I would like to take the software but I want to know if I have idb file it can retrieve the data? Because I tried the free version but it seems that there are some missing...

MySQL Data Loss DBRECOVER
23 Feb 2021

Recover Oracle table data from single tablespace datafile

Recover Oracle table data from single tablespace datafile while lost system tablespace using dbrecover for Oracle SINGLE.DBF a user data tablespace start dbrecover for Oracle...

Oracle DBRECOVER
15 Oct 2020

Oracle 11G recovery

With your software can you do dictionary recovery using systems tablespace that has tablespace block header Corruption. The database datafiles are all modified from a...

Oracle Ransomware
15 Oct 2020

Recovery deleted Oracle table my mistake without backup / flashback

The case is: In the images table, and by mistake, a user has deleted all records from this table and committed the delete command. There is no back up to restore the data. The...

Oracle ASM Backup Data Loss
09 Oct 2020

DBRECOVER for Oracle Version 2009

What's New? Enhancement: user can examine table recoverable rows easily DataBridge now supports deleted rows user can scan database in dictionary mode user can use extent mode...

Oracle Data Loss DBRECOVER
09 Jul 2020

DBRECOVER for MS SQL Server

DBRECOVER for MS SQL Server

DBRECOVER
01 Jun 2020

Oracle bbed Block Browser /Editor

Oracle bbed is a utility which allows browsing and editing of disk data structures maintained by the Oracle RDBMS kernel. The targeted user of the block browser/editor is a...

Oracle
09 Apr 2020

Bug 13331814: Oracle ASM DISKS TURNED INTO FORMER WHILE DISKGROUP IS MOUNTED.

Abstract: ASM DISKS TURNED INTO FORMER WHILE DISKGROUP IS MOUNTED. PROBLEM: -------- While the 2 diskgroups were mounted on 3 of 4 ASM instances, 1 member disk (of each...

Oracle ASM Backup
09 Apr 2020

Best Practice: Corruption in Oracle ASM Header

APPLIES TO: Oracle Database - Enterprise Edition - Version 11.2.0.4 and later Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Cloud Machine...

Oracle ASM Backup Data Loss
09 Apr 2020

How To Restore/Repair/Fix An Overwritten (KFBTYP_INVALID) Oracle ASM Disk Header (First 4K) 10.2.0.5, 11.1.0.7, 11.2 And Onwards

APPLIES TO: Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Database Exadata Express Cloud...

Oracle ASM Backup
09 Apr 2020

TROUBLESHOOTING - Oracle ASM disk not found/visible/discovered issues

APPLIES TO: Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Database Exadata Express Cloud...

Oracle ASM Data Loss
09 Apr 2020

Oracle ASM ORA-15063 / ORA-15042 - TROUBLESHOOTING STEPS BEFORE OPENING a SR to Oracle Support

APPLIES TO: Oracle Database - Enterprise Edition Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later...

Oracle ASM Backup Data Loss
09 Apr 2020

Oracle ASM disk group is not mounted on second node|| showing corruption

Hello Experts, Envirionment: OS: RHEL 5.6 Oracle:11.2.0.3 + PSU 5 I had is issue with disk group. I have a disk group called DATA, and this disk group is mounted successfully...

Oracle ASM
09 Apr 2020

Oracle ASM KFED Reports “KFBTYP_INVALID” & OS Metadata [LVM2 001] In "/dev/<DISK #1>" Disk /ASM disk Member (ASM Disk Overlapping: Scenario #2).

APPLIES TO: Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Database - Enterprise Edition - Version 10.2.0.1 to 12.1.0.1 [Release 10.2 to 12.1]...

Oracle ASM Backup
09 Apr 2020

KFED Reports “KFBTYP_INVALID” & OS Metadata [EFI PART] In Oracle ASMLIB Disk /ASM disk Member (ASM Disk Overlapping: Scenario #1).

APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.1 to 12.1.0.1 [Release 10.2 to 12.1] Oracle Database Cloud Schema Service - Version N/A and later Oracle...

Oracle ASM Backup
09 Apr 2020

Generic check for error Oracle ASM ORA-15042

Error ORA-15042 means asm cannot mount the diskgroup as some of it member disks are not visible to asm. How to find which disk is missing...

Oracle ASM Data Loss
09 Apr 2020

Is it possible to access the Oracle ASM diskgroup if the underline disk partition table is corrupted

We had issues with one of RAC node going down and were reported saying the LUN/partition table missing due to which the issue occured. But the ASM, database and CRS logs during...

Oracle ASM Data Loss
09 Apr 2020

Oracle Database Block Corruption in ASM

We got Block corruption in the database and found the following alert log entry during that time. we need to find why block corruption occur. what is the culprit OS/Storage/DB?...

Oracle ASM Backup
09 Apr 2020

What's the reason for Oracle ASM ORA-15196 if no OS/storage issues

We met several times ORA-15196 without any reason. 1) no error in OS message 2) no error on storage but it happens and we have to recreate diskgroup. Tue Mar 04 19:52:58 2014...

Oracle ASM
09 Apr 2020

ASM Disk Corrupted

I want to know if the diskgroup couldn't mount and the header of an asm disk corrupted (it is only my supposition), how should I deal with it? Will the data in the ASM disk...

Oracle ASM Backup
09 Apr 2020

Oracle ASM ORA-15196: invalid ASM block header [kfc. c:29416] [endian_kfbh] [287] [2147483648] [0!= 1]

6 instances fell down yesterday afternoon with a because ORA-00227: corrupt block detected. This morning, I tried to delete under ASM, a corrupted database and the ASM fall...

Oracle ASM Data Loss
09 Apr 2020

Oracle ASM Corruption: How To Fix The ASM Disk HEADER_STATUS From FORMER To MEMBER.

ASM Corruption: Case #1: How To Fix The ASM Disk HEADER_STATUS From FORMER or PROVISIONED To MEMBER. Author: Esteban D. Bernal This document explains, in detail, the steps...

Oracle ASM Backup Data Loss
06 Apr 2020

Troubleshoot Oracle clusterware Grid Infrastructure Startup Issues

PURPOSE This note is to provide reference to troubleshoot 11gR2 and 12c Grid Infrastructure clusterware startup issues. It applies to issues in both new environments (during...

Oracle ASM Backup
06 Apr 2020

Oracle ORA-1157 Troubleshooting

PURPOSE This note is intended to list the common reasons and solutions for the ORA-1157 error. SCOPE NOTE: In the images and/or the document content below, the user information...

Oracle Backup Data Loss
06 Apr 2020

How to Recover from a Lost or Deleted Oracle datafile with Different Scenarios

PURPOSE This article explains the various scenarios for ORA-01157 and how to avoid them. SCOPE & APPLICATION This article is intended for Oracle Support Analysts, Oracle...

Oracle Backup Data Loss
06 Apr 2020

Recreating a missing Oracle datafile with no backups

GOAL How to recreate a datafile that is missing at the operating system level. Missing/inaccessible files may be reported with one or more of these errors: ORA-01116: error in...

Oracle Backup
06 Apr 2020

How to Recover an Oracle Database Having Added a datafile Since Last Backup

NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the Oracle sample schema(s), Public...

Oracle Backup
06 Apr 2020

Recover A Lost Oracle datafile With No Backup

Problem Description: ==================== You have inadvertantly lost a datafile at the OS level and there are no current backups. You are in archivelog mode. You have ALL...

Oracle Backup Data Loss
06 Apr 2020

Recover Oracle database after disk loss

PURPOSE ------- This article aims at walking you through some of the common recovery techniques after a disk failure SCOPE & APPLICATION ------------------- All Oracle support...

Oracle ASM Backup Data Loss
06 Apr 2020

How Recover an Oracle Database Backup in Windows When Everything is Lost

GOAL Which steps have to follow in order to recover a backup of a database in a windows platform when everything is lost? SOLUTION NOTE: In the images and/or the document...

Oracle Backup
06 Apr 2020

How to Recover Oracle Database from Loss Of Online Redo Log And ORA-312 And ORA-313

PURPOSE This article aims at walking you through some of the common recovery scenarios after a loss of Online Redolog SCOPE All Oracle support Analysts, DBAs and Consultants...

Oracle Backup Data Loss
05 Apr 2020

Steps to troubleshoot Oracle RAC clusterware GIPCHA connection failure

PURPOSE How to troubleshoot when a local process (non bootstrap client) fails to CONNECT to a peer process using the GIPCHA communication protocol? TROUBLESHOOTING STEPS Lets...

Oracle Data Loss
05 Apr 2020

Grid Infrastructure (GI) startup fails because crsd fails to start in a flex ASM environment (Doc ID 2392762.1)

SYMPTOMS In a Flex ASM environment, Grid Infrastructure (GI) startup fails when GI is running on one or more of other nodes, and "crsctl stat res -t -init" output shows that...

Oracle ASM Data Loss
05 Apr 2020

Bug 22891868 - Oracle Grid Clusterware OHASD does not restart CRSD when crsd. bin is hanging (Doc ID 22891868.8)

Bug 22891868 OHASD does not restart CRSD when crsd.bin is hanging This note gives a brief overview of bug 22891868. The content was last updated on: 28-JUN-2018 Click here for...

Oracle ASM
05 Apr 2020

Oracle clusterware gi startup issue what to check?

PURPOSE The purpose of this note is to provide a summary of the top 5 issues that may prevent the successful startup of the Grid Infrastructure (GI) stack. SCOPE This note...

Oracle ASM Backup Data Loss
05 Apr 2020

Troubleshooting Oracle Clusterware GI CRS startup issues CRS-4535 Cannot communicatew with Cluster Ready Services

Purpose After rebooting a node, the CRS stack fails to start. This bulletin offers a list of things to check while troubleshooting the cause. Using CRSCTL to analyze the...

Oracle ASM
14 Mar 2020

Devos ransomware/malware encrypted Oracle database datafiles

One Oracle database has been encrypted by devos ransomware malware, user can recover data from encrpted datafiles using prm-dul, reference videos:

Oracle Ransomware
12 Mar 2020

Flashback Query Failed With ORA-01555?

If you deleted/updated data by mistake in Oracle. and try to recover data from flashback query. Your query may fail with ora-01555 error: SQL> l 1 declare 2 cursor c is select...

Oracle Backup Data Loss
08 Mar 2020

RMAN Restore Fails With RMAN-00600 [8064]

APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2] Oracle Database Cloud Schema Service - Version N/A and later Oracle Database...

Oracle Backup
08 Mar 2020

RMAN Backup Failed with RMAN-600 [6000]

APPLIES TO: Oracle Database - Enterprise Edition - Version 11.2.0.2 and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure -...

Oracle Backup
08 Mar 2020

"RMAN-07517: The File Header Is Corrupted Restoring Files on Another Server

APPLIES TO: Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.2 BETA1 [Release 11.2 to 12.2] Oracle Database Cloud Schema Service - Version N/A and later Oracle...

Oracle Backup
08 Mar 2020

Errors on RMAN blockrecover attempt RMAN-06026, RMAN-06023

APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.3 and later Information in this document applies to any platform. ***Checked for relevance on 09-Feb-2011***...

Oracle Backup
08 Mar 2020

Can't Recover a Database Saved With the OEM Backup Facility RMAN-06169

APPLIES TO: Oracle Database - Enterprise Edition - Version 8.1.6.0 to 10.1.0.2 [Release 8.1.6 to 10.1] Information in this document applies to any platform. SYMPTOMS RMAN...

Oracle Backup
08 Mar 2020

RMAN-06054 While performing Duplicate

SYMPTOMS RMAN duplicate fails with error: RMAN-06054 media recovery requesting unknown archived log for thread 1 with sequence XXXX and starting SCN of XXXXXX RMAN-06054: media...

Oracle Backup
08 Mar 2020

RMAN Command "RESTORE ARCHIVELOG ALL VALIDATE" Failing with RMAN-06025

SYMPTOMS RMAN command 'RESTORE ARCHIVELOG ALL VALIDATE' failing with error: RMAN-06025: no backup of archived log for thread number with sequence number and starting SCN of...

Oracle Backup
08 Mar 2020

RMAN Recover Database Fails RMAN-6025 - V$Archived_log. Next_change# Is 281474976710655

SYMPTOMS RMAN database recover failing with the following errors: RMAN-06025: no backup of archived log for thread number with sequence number and starting SCN of string found...

Oracle Backup Data Loss
08 Mar 2020

Common Causes for RMAN-06023 and RMAN-06026

PURPOSE This document describes known root-causes for the error: RMAN-06023: no backup or copy of datafile %s found to restore RMAN-6023: no backup or copy of datafile %s found...

Oracle Backup Data Loss
08 Mar 2020

RMAN-6026 RMAN-6023 During RESTORE Operation

Problem Description ------------------- You are attempting to restore a database using Oracle Recovery Manager (RMAN) using a 'set until time' parameter to do a point-in-time...

Oracle Backup
08 Mar 2020

Resolving Oracle RMAN-06023 or RMAN-06025

Resolving Oracle RMAN-06023 or RMAN-06025 RMAN-06023: no backup or copy of datafile number found to restore Cause: A datafile, tablespace, or database restore could not proceed...

Oracle Backup Data Loss
07 Mar 2020

Prm-Dul Software License Question

I am interesting in PRM-DUL software license. I have some questions as follows, 1. Can I use this product for consulting service to my customer? 2. How about licensing scheme?...

Oracle ASM Backup
07 Mar 2020

Recover Information from Oracle datafile

PRM-DUL can extract data from a needs recovery Oracle datafile? This datafile is offline. Or do you have another tool to do that? yes. of course, it can . I want just the data...

Oracle
07 Mar 2020

About Oracle Recovery

I want to recover our some Oracle dbf and tried DUL5.1. But something wrong. log is nelow: You can get more documents from www.DBRECOVER.com PRM: Warning: scaned 10MB data...

Oracle
07 Mar 2020

Oracle ASM DISK HEADER ERASED – NEED TO EXTRACT DATA

We got an issue on in having the DATADG Oracle ASM Diskgroup is missing and cannot be mounted over Oracle Database while both Database servers can see the LUNs on the Operating...

Oracle ASM Data Loss
07 Mar 2020

Need assistance on Oracle Database Recovery Issue

Need assistance on Oracle Database Recovery Issue. The case is ALTER DATABASE OPEN is not working and always gets killed when trying to make users.dbf offline. Checkpoint Time...

Oracle
07 Mar 2020

Recovery of Oracle ACFS files deleted form an ACFS file system (hosted on ASM Disk groups)?

Question on ACFS support Does the tool support the recovery of ACFS files deleted form an ACFS file system (hosted on ASM Disk groups)? Please check this video I wonder if the...

Oracle ASM Data Loss
07 Mar 2020

Damaged Oracle dump file

I have a damaged Oracle dump file (*.dmp), could you help with this issue? can you upload the dump file? and we will check it first. if is's possible to extract data, we will...

Oracle
07 Mar 2020

UNPUMP data from a corrupted Oracle 12 Datapump file

UNPUMP data from a corrupted Oracle 12 Datapump file Question: Can your software recover critical data from "corrupted" Datapump files? Master table is missing from dump file...

Oracle
07 Mar 2020

Oracle physical corruption Completely zero block found during kcvxfh v8 Corrupt block relative dba: 0x02800001

Hex dump of (file 10, block 1) in trace file /app/Oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_4911.trc Corrupt block relative dba: 0x02800001 (file 10, block 1) Completely zero...

Oracle ASM
07 Mar 2020

Oracle ASM data header issue

Kindly note that we have issue on your tool, we have 2 disk group asm, archive and data. This disk data has an issue in header / data dictionary. It's mounted with empty...

Oracle ASM
07 Mar 2020

Interested to Buy PRM-DUL Enterprise

We are really interested to Buy your product but we have some question: can we use for every database instance or it is limited at just a single database? how long we can use...

Oracle
07 Mar 2020

Corrupted Oracle Container databases and DDL extraction

I'm currently working with DDL extraction from a 12c database. It has been created with multiple pluggable databases. My main concern is to extract DDL for tables, triggers...

Oracle
07 Mar 2020

Oracle Data recovery

We are using Oracle database for our application. One of our client Raid card has failure and system and user tables are not reachable now. We have only DBF file we do know if...

Oracle Data Loss
07 Mar 2020

Info about how to use DUL with 16k Oracle block size

The dul software helps us a lot to recovery our database but we have a special situation for a datafile in the database. The Database is 16384 block and only one tablespace...

Oracle
07 Mar 2020

Recovering Oracle datafile without archived logs

I have an issue on my Oracle 10.2.0.4 instance where the archived logs have been deleted but I have managed to restore the datafiles from the FRA. Is there any way to recover...

Oracle Backup Data Loss
07 Mar 2020

How to recover Oracle tablespace dropped in archivelog database no backup?

There is a Oracle database with archivelog mode, and no backup. A tablespace is dropped, and how to recover? Is there any old copy of the datafiles from the dropped tablespace...

Oracle Backup Data Loss
07 Mar 2020

Recover corrupt Oracle database using DUL import the new database

Recover corrupt Oracle database using DUL import the new database How to recover corrupt database using (DUL) Oracle data unloaded imported in into the new database? if you...

Oracle
01 Feb 2020

Oracle database hacked by malware/ransomware

I have Oracle 11g database which is running on windows server 2003 R2.The whole server is hacked by the hackers and all my datafiles, cotrolfiles, redo log files and even all...

Oracle Ransomware Backup Data Loss
29 Jan 2020

Prm Dul Release 5108 Rc10

Add support TR8MSWIN1254

Oracle
13 Jan 2020

MySQL Ransomware/malware/virus encrypted idb frm datafiles

MySQL Ransomware/malware/virus encrypted idb frm datafiles, the file extension is db.opt.id[C817875D-2700].[ [email protected] ].Devos if you encounter this problem, you...

MySQL Ransomware
21 Nov 2019

Prm Dul Release 5108 Rc8

Add rdba to cannot analysis block error message ignore SYC_C00 column Including JRE release:

Oracle
07 Nov 2019

Take image from corrupted hard drive

There are at least two cases when it makes sense to take an image from a corrupted hard drive as soon as possible: disk hardware errors and corrupted filesystem. Faulty hard...

MySQL Backup Data Loss
07 Nov 2019

MySQL UnDROP tool for InnoDB

TwinDB data recovery toolkit is a set of tools that work with InnoDB tablespaces at low level. Incredible Performance of stream_parser stream_parser is a tool that finds InnoDB...

Oracle MySQL Backup Data Loss
07 Nov 2019

MySQL Recover Table Structure From InnoDB Dictionary

When a table gets dropped MySQL removes respective .frm file. This post explain how to recover table structure if the table was dropped. You need the table structure to recover...

Oracle MySQL Data Loss
07 Nov 2019

MySQL Recover InnoDB dictionary

Why do we need to recover InnoDB dictionary c_parser is a tool from TwinDB recovery toolkit that can read InnoDB page and fetch records out of it. Although it can scan any...

MySQL
07 Nov 2019

MySQL Recover after DROP TABLE, innodb_file_per_table is ON

Introduction In the previous post we described the situation when TwinDB recovery toolkit can be used to recover Accidentally dropped table in the case...

Oracle MySQL Data Loss
07 Nov 2019

MySQL Recover after DROP TABLE, innodb_file_per_table is OFF

Introduction Human mistakes are inevitable. Wrong “DROP DATABASE” or “DROP TABLE” may destroy critical data on the MySQL server. Backups would help however they’re not always...

MySQL Backup Data Loss
07 Nov 2019

How to handle wrong page type in external pages

First step of successful MySQL data recovery is to find InnoDB pages with your data. Let’s call it first, because prerequisite steps are already done. InnoDB page type is a two...

MySQL Data Loss
07 Nov 2019

MySQL Resolving page corruption in compressed InnoDB tables

Sometimes corruption is not the true corruption. Corruption in compressed InnoDB tables may be a false positive. Compressed InnoDB table may hit false checksum verification...

MySQL
07 Nov 2019

MySQL Resolving ERROR 1050 42S01 at line 1 Table already exists

When ALTER TABLE crashes MySQL server it leaves orphaned records in InnoDB dictionary. It is annoying because next time you run the same ALTER TABLE query it will fail with...

Oracle MySQL Backup Data Loss
07 Nov 2019

What are odds MySQL table can be recovered?

This is the most asked question. Every single customer asks if their MySQL table can be recovered. Although it’s not possible to answer that with 100% confidence there are ways...

MySQL Data Loss
07 Nov 2019

How to recover table structure from FRM files online

Recently we announced MySQL Data Recovery Portal. Here we automated some data recovery routines and published web interface to them. First, it was a tool to estimate recovery...

Oracle MySQL Backup
07 Nov 2019

Data loss after MySQL restart

Not so long ago I had a customer who experienced data loss after MySQL restart. It was really puzzling. MySQL was up & running for many months, but after the customer restarted...

MySQL Backup Data Loss
07 Nov 2019

Recover Corrupt MySQL Database

The unDROP for InnoDB tool can be used to recover corrupt MySQL database. In this post we will show how to repair MySQL database if its files became corrupted and even...

MySQL Backup Data Loss
07 Nov 2019

How to use Undrop For InnoDB to Recover InnoDB Data

APPLIES TO: MySQL Server - Version 4.1 to 5.6 [Release 4.1 to 5.6] Information in this document applies to any platform. GOAL How to extract data from corrupted tables using...

MySQL Backup Data Loss
24 Sep 2019

Prm Dul Guide Video

Prm dul recover Oracle database easiest way prm dul databridge transfer Oracle table prm dul export ddl from corrupted Oracle database prm dul recover Oracle deleted rows prm...

Oracle Ransomware ASM Backup
14 Apr 2019

Prm Dul Release 5108 Rc5

Changelogs: change gui text in english mode:

Oracle
04 Apr 2019

Prm Dul Release 5108 Rc3

Changlogs: export ddl now supports multiple column primary key, nvarchar length no longer uses byte semantics commons-io-2.6.jar now backport to commons-io-2.4.jar, asm clone...

Oracle ASM
04 Apr 2019

Prmscan Oracle block fragmentation recovery

Corrupted filesystem, deleted filesystem inode, damaged asm diskgroup, Oracle datafile block level recovery

Oracle ASM Data Loss
19 Feb 2019

Prm Dul Release 5108 Rc2

Prm dul release 5108 rc2

Oracle
10 Feb 2019

Prm Dul Alpha Release 5109

Prm dul alpha release 5109, now support SECUREFILE LOB (alpha):

Oracle
28 Jan 2019

Prm Dul Release 5108

Prm dul release 5108 changelogs: 1.release 5108 now supports Oracle 12.2, for Oracle 12.2 has expanded columns in sys.tab$ & sys.obj$, this make the dictionary is different...

Oracle Ransomware
26 Jan 2019

Prm-Dul Beta Release 4509

Prm-dul beta release 4509 download link:

Oracle
19 Jan 2019

Prm-Dul Beta Release 4508

Prm-dul beta release 4508 download link:

Oracle
24 Oct 2018

Oracle Data recovery Issue

===SUMMARY OF THE ISSUE==== 1. We lost data from few partitions and need to restore and recover the data .The table is a Range partition and nearly we have lost 9...

Oracle Backup Data Loss
24 Oct 2018

Database Recover With Dul

I would like to know about you DUL as a service . I have a 2 TB database which is logically corrupted and we would like to unload that data. we don’t have a DBA on our site and...

Oracle
24 Oct 2018

Help On ORA-01157 Cannot Identify Datafile 1, File Not Found!!!

My Oracle 7 Database installed on Unixware7 was crashed and did not started up yet displaying this error message: Ora-01157 cannot identify datafile 1, file not found!!! the...

Oracle Backup Data Loss
24 Oct 2018

Urgent recovery Oracle database

I have a case in my datafiles (Oracle 11gR2) with Header corrupted (block #1)– see log – kindly did you have any workaround solution to read the remaining data in file even if...

Oracle
24 Oct 2018

Does DUL support oracle11g on solaris 10

I interest to buy for solaris 10 platform, does software support. Answer: Yes, of course . The software is developed by java which can be run all kinds of JAVA supported...

Oracle
24 Oct 2018

Help to recover database

We had the lost of our Oracle database, and we couldn't recover using Oracle recovery methods, we were trying your product but we couldn't recover nothing in a test...

Oracle Backup
24 Oct 2018

SYSTEM01.DBF file error

System01.dbf file error We got Wannacry virus on operating system and all backups and redo log files where encrypted. Now when we try to star instance in returns error...

Oracle Ransomware Backup
24 Oct 2018

Question about Oracle prm-DUL license

Question: I have downloaded the free version of your PRM-DUL tool and have gotten it working on an Oracle server that has some issues we hope to resolve. We have been able to...

Oracle ASM
23 Oct 2018

Help me. I can't load Clob using sqlldr

During PRM-DUL test... unload Clob column korean lang data...

Oracle
23 Oct 2018

Oracle Database Recovery

One of my client had virus attack on his database server, in which the few of the database files got media corrupted. I have downloaded you utility, and tried, but the utility...

Oracle
23 Oct 2018

Prm-DUL License purchase problem

I would like to acquire the license of your product, but I have some doubts regarding this acquisition, let's them: 1. What is DB NAME's definitive name? because it varies...

Oracle
23 Oct 2018

PRM-DUL ENTERPRISE License

We have successfully restored 10 000 rows from our corrupted DB using PRM-DUL utility (FREE version). So now we are interested in buying your product license . I have two...

Oracle Backup Data Loss
23 Oct 2018

Recovery Service Needed

I am having some trouble with an Oracle 10g XE that suddenly stopped working by corrupting the SYSTEM.DBF file. I am not the responsable DBA of this database but I was invited...

Oracle
23 Oct 2018

Unable to open Oracle Database

Yesterday my system crashed and when it opened database couldn't be opened. It gives below error. system is running is on no achieve log mode. I tried to open using reset log...

Oracle
23 Oct 2018

The ASM disk header can not be recovered (Help Me)

Please help us, the database is critical for the business. In asmlib two disks had been configured to point to the same disk multipath /dev/mapper/mpathc1 (DATA03) and...

Oracle ASM
23 Oct 2018

Recover database

I have a situation that we lost our server with Oracle Database 11g (11.2.0.4). I could recover all dbf files. They are: I installed a new server e tried to recreate the...

Oracle Backup
23 Oct 2018

PRM-DUL License

Our database is a 9i version, resides on Microsoft 2003 platform, has approximately 1TB and datafiles with 4GB. We are testing your tool. But you have a problema dealing with...

Oracle
23 Oct 2018

Prm-Dul Ddl Export It Seems To Doesn’T Work.

I’ve just used you free version, which works preety well. But the problem is that when I use ddl export it seems to doesn’t work. My sql file is almost empty, that means I...

Oracle
23 Oct 2018

Oracle ASM not mount

I have a database size 1.8TB on asm There was a new disk which was added and cause the data disk to not mount. Can your solution help recover all this data?? If yes at what...

Oracle ASM
23 Oct 2018

Recover Oracle datafile contents

My case: - Oracle server is crashed by ransonware. - I have only files users.dbf, control.dbf and system.dbf - I tried use the community edition and worked fine (with...

Oracle
23 Oct 2018

DUL recover Oracle ddl for packages, procedures, functions and all.

I was looking at the DUL options to recover data and I was wondering if tis possible to recover also ddl for packages, procedures, functions and all. yes, prm-dul can recover...

Oracle ASM
23 Oct 2018

Oracle Database that don't start

We have a database that don't start. Also when we try your program, we can see the schema, even the tables, but there is no data there. We need at least to extract the data...

Oracle
23 Oct 2018

Oracle prm-DUL question

Let me ask you one more question. After testing your program, it appears that UNICODE data in the CLOBs property column is not converted correctly. his issue has not been...

Oracle Data Loss
23 Oct 2018

Data Recovery Offer for Oracle datafile User01.dbf

We have a Oracle database User01.dbf file and we have to rescue it, contains over 10000 rows. what can be your favorable price offer to us? The system01.dbf is lost? Have you...

Oracle
23 Oct 2018

Oracle dbf

We just find your site because we have a data base that we want to repair but keeps show a System01.dbf error. following the steps in your post about this troublesome issue, we...

Oracle Ransomware ASM
23 Oct 2018

Service request: after recovery comes ORA- 00600 [2663], [3] and DB stops

After server was accidentally powered off by hosting provider, I cannot recover my database. SQL> connect / as sysdba; Connected to an idle instance. SQL> startup restrict...

Oracle
23 Oct 2018

Purchasing a license to PRM-DUL

Question: I would like to expedite a license purchase of the full version of PRM-DUL. I have had a catastrophic failure of the filesystems on both my Physical Primary and...

Oracle ASM Backup
23 Oct 2018

DBRECOVER Recovery Manager for Oracle

We would like to purchase DBRECOVER Recovery Manager for Oracle, however, we want to clarify the database name that we need to key in: Question: What should I key in here...

Oracle
23 Oct 2018

Request of recovery Oracle db

Question: We are interested on do a recover of a table that was truncated and has 84 partitions. We are trying to do the process of recovery but it take too long. All the...

Oracle Ransomware ASM Backup
23 Oct 2018

Oracle Corrupted Datafiles

Question: we have currupted datafiles in Oracle database I'm able to start database to mount stage but when issue ALTER DATABASE OPEN it gives below error: ORA-01173: data...

Oracle
23 Oct 2018

Oracle DB Recovery

Question: We have missed some archive log files.Please advise me how to resolve archive log gap.when the DB is restored Answer: You can try our software PRM-DUL (costs 1500...

Oracle Backup
23 Oct 2018

Prm-Dul

Question: We have a customer who has a corrupted Oracle 10g database and requires the database to be recovered. The database has corrupted datafiles. We need to use DUL utility...

Oracle ASM Backup
23 Oct 2018

Offer for recovering Oracle data could not open database due to ORA-01251: unknown file header version on one datafile

Question: we have problem with corrupted file in Oracle data base. Please answer us if you could save the data, and senm us offer for aplication to restore corrupted data...

Oracle Backup
23 Oct 2018

Question about using Oracle prm-DUL

Question: I want to know the meaning of DBNAME and licensekey, and the meaning of 1500 USD PER DATABASE Answer: for example, your db_name is orcl1, then we will generate key...

Oracle
23 Oct 2018

Oracle Database Disaster Recovery Tool

Questions: Can you please let me know if we can recover the database and what are the cases we can recovery and open the database. Thanks Answer: please reference link:

Oracle
17 Apr 2018

ORA-00704: Bootstrap Process Failure - Causes and Solution

APPLIES TO: Oracle Database - Enterprise Edition - Version 10.1.0.2 and later Information in this document applies to any platform. ***Checked for relevance on 15-Dec-2016***...

Oracle Backup Data Loss
27 Apr 2017

Salvage data from Oracle database with data dictionary corruptions

A database has experienced some damages - finally we have a running instance (with things like _allow_resetlogs_corruption=true). We can only connect to the database as sys...

Oracle
27 Apr 2017

Urgent, Oracle system file (SYSTEM01.DBF) error, how to fix it and exp data?

Our db is running without backup, and today our db was broken by disk error, after fixed disk issue, I try to start db and then exp data and create a new db. after recover...

Oracle ASM Backup
23 Apr 2017

Put hot backup datafiles online without recovery

By Chen In this scenario, instance crashes after one tablespace (non-system) be taken hot backup, datafile within this tablespace and all archived logs are lost. I change the...

Oracle Backup
18 Apr 2017

Rescue data Oracle database

I am running two node RAC Oracle Database 11g, we had issue with shared storage - controller failure. After replacing the controller I see the ASM groups but the database is...

Oracle ASM Backup
18 Apr 2017

My database is crash. I have only one datafile of billing.

I have Oracle 11g release 2. My database is crash.I have only one datafile of billing.in which all important information is store. I do not have dump.I have only one .dbf file...

Oracle
18 Apr 2017

Unable to open the database after data block corruption

O.S-windows vista enterprise(Personal PC), Oracle 11.1.0.2.0 I am getting the following error, please help to fix: I am unable to recover datafile &open database. SQL> conn sys...

Oracle Backup
18 Apr 2017

Merge data from Oracle.dbf datafile

Hi, I need help. I'm totally new to Oracle. I currently have a database server which had an error so I created another server that has been running for some time and also...

Oracle Backup
18 Apr 2017

Oracle Database Dead?

Hello. I'm not very knowledgeable when it comes to DBA work, but I've hit a snag and would appreciate a little advice. I have an Oracle XE install on my home computer for...

Oracle ASM Backup
18 Apr 2017

Import data from a DBF to Oracle

I want to import data from a DBF file to my database Oracle 10g. how to do that? In some very special cases(you cannot restart database instance of the DBF file), there are...

Oracle
18 Apr 2017

Oracle DBF Data Recovery??

Could someone please suggest if it's and how it's possible to recover data from DBF files if Oracle tablespace can't be run?? I read a lot of mails, articles etc ... regarding...

Oracle Backup Data Loss
18 Apr 2017

Test recovery with unsupported parameters

> Our backup is overwritten with a corrupt backup too. Restore from the next older backup Most customers buy a Perpetual licence that does not terminate. What your organisation...

Oracle Backup
18 Apr 2017

Extracted From datafiles

Hello All, DB version: 9i Rel 2 Which Oracle command line tools allow data to be extracted from datafiles that are NOT ATTACHED to a database? Oracle Support has a tool called...

Oracle
18 Apr 2017

Database Restore after Server's storage crash

So after power failure storage crashed for good and the server is "close to death", no way services can be restored or anything. We have daily backup using Symantec backup exec...

Oracle Backup
18 Apr 2017

Is it possible to read a corrupted or incomplete dmp file?

I hava an export file but while export operation an error was raised and the export finished with errors. However, until the problem, a lot of tables were exported. I can see...

Oracle
18 Apr 2017

Database in NOARCHIVELOG mode, truncate command issued

Database in NOARCHIVELOG mode, truncate command has been issued how to restore the table? FACTS:- 1. DB In NOARCHIVELOG Mode 2. Cannot enable flash back mode because of 1...

Oracle Backup Data Loss
18 Apr 2017

ORA-00704: Bootstrap Process Failure ORA-00604: Error Occurred At Recursive

I want to restore a database from cold backup. I don't think the cold backup is consistent. It's the image of hard drive when other drive of the server crashed. I did following...

Oracle Backup
18 Apr 2017

GET ACCESS TO Oracle datafile

I have a datafile, and I don't have any information about the file, but for sure I know it is a Oracle datafile, how do I access data from such file, any suggestion, tools I...

Oracle
18 Apr 2017

Corrupt Data - Oracle 8i - Recovery

915572 Feb 6, 2012 2:48 PM Hello, It seems that a RAID has failed on my old server and is causing the Oracle 8i database not to start. I understand this is an old product and...

Oracle
18 Apr 2017

Recovering from different datafiles

We recently had a disaster scenario. Someone deleted the entire Oracle installation including the backup, all with Linux rm command. We saved the files with some undelete...

Oracle Backup Data Loss
18 Apr 2017

Recovery of old Oracle 8i cold backup into Oracle 11g R2

I've been given the task to access an old Oracle 8i database and (in some way) extract or make the accessible the data inside. I've been provided with a cold backup (I.e.)...

Oracle Backup
18 Apr 2017

Recover Tablespace Data Afte Re-Create Of A Database - Possible?

We, by a bad chance, created a new database on top of an existing one. Used the wrong ORACLE_SID basically. So now there are shiny new system, undo etc tablespaces, and a...

Oracle Backup
18 Apr 2017

How to recover system file without backup

Database system file is corrupt, No backup is available of system file and database is not in archive log mode, Anyone can help to me . How I can recover system corrupt file?...

Oracle Backup
18 Apr 2017

How to extract tables from.dbf datafile?

I have only .dbf datafile(from cold backup, not exported), and must extract two tables from it. Unfortunately, I have no control-files, redo-log files, etc.(only datafile..)...

Oracle Backup
18 Apr 2017

Recover dropped tablespace in Oracle

I had a schema called dmuser1 which I had allocated to 'odmperm' tablespace, now I was running short of space in the drive where Oracle is installed and there was a datafile...

Oracle Backup Data Loss
18 Apr 2017

Oracle recovery from dbf uncorrupted files.

1-We tried last month to backup our Oracle Express database files (the ones contained in /XE) by copying them to another directory. 2-Last week we needed those files because of...

Oracle Backup
18 Apr 2017

Please help production system drop tablespace and forget export before

There is one table was in bigfile tablespace. one file, one table, one tablespace. It was planned make transportable tablespace and move it into another hard drive. I made next...

Oracle Backup Data Loss
18 Apr 2017

Is extract for datafile possible?

A few days ago my colleague Oracle installation was damaged (system tablespace control files etc). Accidentally Windows Server ntbackup was suspended then dumps which he has...

Oracle Backup
18 Apr 2017

Recovery with only Oracle Datafiles?

We have an Oracle 10g running on a RedHat ES4. Yesterday one of my colleague mistakenly removed all the files under oradata folder. Now we have most datafiles in hand, no...

Oracle Backup
18 Apr 2017

Problem on CLOB datatype after import

I got problem and call to Oracle support and they use DUL for extract data from datafile to dump file and I import everything is done and no error but when I check in CLOB...

Oracle
18 Apr 2017

Want to extract the data from Oracle database files(dbf)

Want to extract the data from Oracle database files(dbf) I want to extract the data from Oracle database files(dbf). I am using AIX64 bit can any one tell me how can I do that?...

Oracle Backup
18 Apr 2017

Backup & Recovery

Will I able to recover database completely If I do online file backup(just copy paste of datafiles) while database or running or daily disk backup while database is running? If...

Oracle Backup
05 Apr 2017

RECOVER Oracle DATABASE - PRM-DUL

The post is from Fabio Tironi In September 2016 I had a serious problem in my company's Oracle Database . The main Database has beeb corrupted as well as its Backup. So I met...

Oracle Backup
15 Mar 2017

ORA-15196 Oracle ASM CASE STUDY: UNDERSTANDING ERROR ORA-15196

If you cannot recover data by yourself, ask DBRECOVER, the professional Oracle database recovery team for help. DBRECOVER Software Database Recovery Team Service Hotline: +86...

Oracle ASM Backup
15 Mar 2017

Understanding and fixing Oracle ASM errors ORA-600 [kfcChkAio01] and ORA-15196.

If you cannot recover data by yourself, ask DBRECOVER, the professional Oracle database recovery team for help. DBRECOVER Software Database Recovery Team Service Hotline: +86...

Oracle ASM
15 Mar 2017

Collecting The Required Information For Support To Troubleshot Oracle ASM/ASMLIB Issues.

If you cannot recover data by yourself, ask DBRECOVER, the professional Oracle database recovery team for help. DBRECOVER Software Database Recovery Team Service Hotline: +86...

Oracle ASM
15 Mar 2017

ORA-00600 [Kfcema02] Cause The Diskgroup Can Not Bring Up.

If you cannot recover data by yourself, ask DBRECOVER, the professional Oracle database recovery team for help. DBRECOVER Software Database Recovery Team Service Hotline: +86...

Oracle ASM Backup
15 Mar 2017

How to Resolve ORA-00600 [3020] when Allow 1 Corruption does not work

If you cannot recover data by yourself, ask DBRECOVER, the professional Oracle database recovery team for help. DBRECOVER Software Database Recovery Team Service Hotline: +86...

Oracle ASM Backup Data Loss
14 Mar 2017

Oracle Tablespace deleted issue

There are 7 .dbf file with wrong extension(.dfb) in a tablespace but DBA has deleted these files physically and tablespace is offline. Now problem is that tablespace is not...

Oracle Backup Data Loss
14 Mar 2017

Help to recover Oracle database

Question: We had the lost of our Oracle database, and we couldn't recover using Oracle recovery methods, we were trying your product but we couldn't recover nothing in a test...

Oracle Backup
02 Mar 2017

Oracle data recovery without any system file.

I have dbf files without any system file. I tried but could not recover data properly from attached files. can you please help? feedback: Thank you for visiting our DBRECOVER...

Oracle
02 Mar 2017

Prm-Dul Capabilities

I am a technology consultant working in Israel. One of my Major customers is looking for a solution to download tables from an Oracle 11g database to files, in the most cost...

Oracle Backup
02 Mar 2017

Need help with corrupted Oracle Datapump export

I have a corrupted Datapump export (Oracle 11g). How do I use your tool to extract 2 tables from it? I have downloaded DUL4108. feedback: We can provide a data recovery service...

Oracle
02 Mar 2017

Oracle Data Recovery Query

User case: We have worked on the demo(community edition) of your PRM-DUL An Oracle Database Recovery/Unloader Software. We intend to purchase this product immediately if you...

Oracle
02 Mar 2017

Retrieve the data from Corrupted Oracle table partition

User Case: I just want to know whether we can able to recover the data from the corrupted partitions. In this case, not the whole partition got corrupted, some of the blocks in...

Oracle Backup
02 Mar 2017

Oracle Database Recover with prm-DUL

I have a client that had a problem with an Oracle Database. I try your product and recovered the 10000 records that the trial could recover, I’d already bought other products...

Oracle
02 Mar 2017

Problem with PRM-DUL Schema DataBridge

I am trying to use your tool the PRM Schema Databridge to recover data from a crashed Oracle 12 server. It works great for tables that don’t have any CLOB or BLOB fields but...

Oracle
02 Mar 2017

Oracle Data recovery Issue for dropped table with BLOB/CLOB

User problem: As we discussed over the call, Please find the below issue details and provide the licence and recovery cost details ASAP. ===SUMMARY OF THE ISSUE==== 1. We lost...

Oracle Backup Data Loss
02 Mar 2017

Oracle database recover with DUL

User problem: I would like to know about you PRM-DUL as a service . I have a 2 TB database which is logically corrupted and we would like to unload that data. we don’t have a...

Oracle
02 Mar 2017

Help recover ORA-01157 cannot identify datafile 1 on Oracle 7 Database installed on Unixware7

User problem: My Oracle 7 Database installed on Unixware7 was crashed and did not started up yet displaying this error message: Ora-01157 cannot identify datafile 1, file not...

Oracle Backup Data Loss
02 Mar 2017

Does prm-DUL support oracle11g on solaris 10

Dear sir I interest to buy prm-dul for oracle11g on solaris 10, does software support. Feedback: Yes, of course . The software is developed by java which can be run all kinds...

Oracle
02 Mar 2017

Urgent Oracle recovery case with Header corrupted (block #1)

User has a case in their datafiles (Oracle 11gR2) with Header corrupted (block #1)– see log – kindly did you have any workaround solution to read the remaining data in file...

Oracle
25 Jan 2017

PRM-DUL Oracle Database Recover

I work at a Telecommunication company in São Paulo, Brazil. Last year, in october, we had a problem in our Storage, which crushed our Database. We have two main databases and...

Oracle Backup
13 Nov 2016

PRM-DUL Tool – Your Oracle Database Recovery Expert Here

PRM-DUL Oracle Database Recovery Tool (PRM-DUL) is one advanced tool developed for Oracle data recovery. From release 1.0 to now, more functions and enhancements have been...

Oracle ASM Backup Data Loss
10 Nov 2016

DUL una herramienta de scavenger de base de datos para Oracle

Si no puede recuperar los datos por su cuenta, pida ayuda a DBRECOVER, el equipo profesional de recuperación de bases de datos Oracle. Equipo de recuperación de base de datos...

Oracle ASM
10 Nov 2016

DUL un outil de nettoyage de base de données pour Oracle

Si vous ne pouvez pas récupérer les données par vous-même, demandez à DBRECOVER, l'équipe de récupération de base de données Oracle professionnelle pour obtenir de l'aide...

Oracle ASM
10 Nov 2016

DUL инструмент поглотитель базы данных Для Oracle

Если вы не можете восстановить данные самостоятельно, спросите DBRECOVER, профессиональной базы данных Oracle восстановления команды для получения помощи. DBRECOVER Программное...

Oracle ASM
10 Nov 2016

Oracle Database 24/7 ПЕРВАЯ Горячая линия: +86 13764045638

Профессиональный Oracle Восстановление базы данных / спасательной службы Скачать Наш PRM-DUL Oracle Database Recovery / UNLOADER программного обеспечения DOWNLOAD PRM-DUL 5.1 7...

Oracle MySQL ASM Backup
10 Nov 2016

Base de données Oracle 24/7 RÉPONSE D'URGENCE Hotline: +86 13764045638

Service de récupération / sauvetage de base de données Oracle Professionnel Télécharger notre logiciel de récupération / déchargement de bases de données Oracle PRM-DUL...

Oracle MySQL ASM Backup