Oracle® Data Recovery Solutions

Through its Ontrack® Data Recovery services, Kroll Ontrack has the most extensive range of tools to recover Oracle databases, solve Oracle® data loss incidents on multiple platforms and restore Oracle Linux and Oracle VM.

Recovering Oracle Databases

Kroll Ontrack has proprietary techniques and an Oracle recovery toolset designed to retrieve the row data contained within missing or damaged database files.

Some of the most common causes of Oracle data loss include:

Steps to Recovering Oracle Databases

  • Search & Extract - If the database file is inaccessible due to hardware issues the storage device is repaired. If the file is missing, deleted or truncated, the file system is adjusted to point to the correct data stream. If there are not any pointers remaining, the entire data area is searched to find and extract Oracle database data.
  • Analyze & Report - The Kroll Ontrack proprietary Oracle toolset analyzes the complex internal structures of the extracted .DBF (or .ORA) files and provide reports detailing the recoverable tables and the number of data rows.
  • Recover - The table data is copied into a SQL_LDR script to be imported into a new Oracle database.

More Information: Data Loss in a Virtual Environment Whitepaper

Recovering Oracle Linux File Systems

With its Ontrack Data Recovery repair and recovery tools for Linux file systems including EXT3, EXT4, XFS, Reiser, JFS and GFS, Kroll Ontrack is unique in its abilities to recover data from systems running Oracle Linux.

Some Common Causes of Data Loss in Linux File Systems include:

  • File system or data corruption
  • LVM corruption
  • Deleted or partially overwritten data
  • RAID and other storage/server hardware failures

Recovering Oracle VM

Data loss on virtual environments often has a high impact on the user organization, as multiple virtual machines are often affected by a single technical failure or human error. Virtualization brings an extra layer of complexity to a host system and when data loss occurs, Kroll Ontrack has the tools to respond. Kroll Ontrack supports file formats including VHD, VDI and VMDK which can be used by Oracle VM and Oracle VM VirtualBox.

Some Common Causes of Data Loss in Virtualized Environments include:

  • Guest and host file system corruption
  • Deleted virtual machines and snapshots
  • Internal virtual disk corruption
  • RAID and other storage/server hardware failures
  • Deleted or corrupt files contained within the virtual disk

Extensive research by Ontrack Data Recovery developers and engineers has led to significant advances in the success rates of Oracle data recovery jobs. Given the urgency of database failure or corruption, Ontrack Data Recovery engineers will first determine if the recovery can be done remotely using a secure Internet connection. If the level of corruption or damage to the media is too great for a remote recovery, your Oracle data recovery can be performed in an Ontrack Data Recovery lab or on-site at your location.

Recent examples of Oracle data loss cases that our experts have helped to resolve include:

  • Recovery of complex failed media, including SAN environments and all RAID types
  • Recovery of Oracle row data from corrupt databases (which can then be imported into a new database)
  • Remote data recovery of a virtual server containing an Oracle database