PRM DUL is an Oracle Database Disaster Recovery Tool

It may happen everyday that database reports error or system tablespace damaged, or cannot be accessed. It is too risky for your enterprise IT system. Most of cases can be resolved by RMAN.


PRM (ParnassusData Recovery Manager) is developed by Java which can be run all kinds of JAVA supported platform, Including: AIX, AIX、Solaris、HPUX、Linux and Windows.


PRM is designed for Enterprise Database Recovery, which includes all Oracle DUL data recovery functionalities, and also easy-to-use GUI.

PRM For Oracle Database 3.1 GUI:




PRM almost can recovery Oracle database on all operating system, including:


Linux (RedHat, Centos, Oracle Linux, Suse)AIX, Solaris, HPUX, Windows 2003 Server/XP/2000/NT

PRM Support Oracle database which starts from 9i, 10g, 11g to 12c.



However, few cases are failed to recover from RMAN or Achieve lost. The only left is inconsistent data files that are not usable for Oracle database. Many DBAs did not realize that the data is still usable, but just cannot be read by Oracle instance. PRM is that kind of tool, which can read the data direct from disk or file system without Oracle Instance.

PRM can work on damaged file systems, ASM DiskGroup and data files. Even if Oracle data dictionary lost, PRM can also scan and recover dictionary based on inconsistent SYSTEM.DBF tablespace backup. PRM can support most of Oracle database functionalities for example, Cluster, LOB, and partition.




Highlights of PRM

  • PRM is developed by JAVA and click to use version, which can work with AIX, Solaris, HPUX, Linux and Windows.
  • Same performance and GUI across different of operating systems
  • Rich GUI, and not necessary for script skills, even for new DBA
  • PRM unique DataBridge, without any data exportation, and directly from source to destination, which saves time
  • High performance and reliable
  • PRM supports most of data structure, for example, LOB, BLOB, CLOB, NCLOB
  • PRM supports ASM, which is directly read without any ASM copy
  • PRM can save damaged data file on ASM DiskGroup, and this function is free in community version
  • PRM optimized table recovery from truncated table.



  • Not support on 11g secure file lobs due to encryption and compression
  • Label security
  • Encryption
  • CELL ASM DISK on Exadata
  • Some complicated data structure







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