Import problems and how to handle a bad crash
Hello,
I am working on a system that I "inherited" because I am the only person left who has any idea about how it is supposed to work. :(
Configuration:
Oracle Base Version: 9.2.0.1.0 & OUI patch 2.2.0.2.20 & Oracle Patch 9.2.0.3.0
Operating System: Windows 2000 Server
Situation:
The SCSI controller on the mainboard failed taking the primary hard drive drive with it and damaging the HDD controller for the secondary drive. Thankfully I was able to bring the secondary drive back up online and get to the mirror which I immediately copied to a backup location. Unfortunately getting the mirror drive to be bootable under server2K has not been successful so I am focusing on recovering the data at this point.
Problem #1:
Incredibly Rare backups of the database have been made and I have the backup files but one of the backup files (the most recent one) is corrupted. During import via the DBCA interface I get a "invalid EXT descriptor signature" message when it is unpacking the files. From my own research, this appears to be a screwup on the part of SUN and how they implemented some things via Java.
Request #1:
Does anybody know how to fix this import issue with the backup files? (It will get me almost 2 years worth of data... remember.... Incredibly Rare backups...)
Problem #2:
There is still about 10 months worth of data that is sitting in the database from the last corrupted backup. I have a copy of the entire C:\Oracle directory from the mirror drive so the raw data is available to me.
Request #2:
Is there a way to import or merge this data with a working backup file (from 2005)? I'm under the assumption that 'overlay and pray' is not an option :)
General Information:
The original Oracle server is part of a small domain that was setup to perform a dedicated task. I am currently performing the recovery efforts on a dedicated server setup at home which models the software configuration of the original server that died. I can import a backup file from 2005 without any issues and the OraDim & sqlnet files don't report any errors. I have no trouble accessing or manipulating the data via the Enterprise Management Console or SQL+.
Please forgive me if some of this is posted to the wrong section.
Thank you in advance for any advice and/or help!
Jeff Beasom-
What you have been given is a toy.
I call it a toy because infrequent backups, inadequate training, and an antique unpatched database clearly indicate that your management has not taken this seriously.
It is time for someone to act like a professional and that appears to mean you.
Forget this forum, open an SR at metalink, and follow Oracle's support advice.
If your management has not paid for a support contract ... either they purchase one in the next 48 hours or ... update your resume and get out of there while you still have the skills to do so.
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