It says there is a hard drive that is defunct however the system does boot up but the application does not work and I think it is due to the oracle not being able to run. How to recover from the data corruption due to the drive failure?
A RAID 5 array would still allow you to access and use the data with one drive having failed. So, since your application isn't functioning I'm assuming that you've lost more than one hard drive in a RAID 5 array OR you've lost both drives in a two drive RAID 1 array OR you've lost one (or more) hard drive(s) in a RAID 0 array OR you've lost a lethal combination of drives in a RAID 10 array. Any way you slice it you will have to replace the failed drives and restore the data from a backup. The only other "safe" option is "roll the dice" with a data recovery service (no guarantees of success) and (will be much more costly than it would have been to have an active backup system in place). You can always try to recover the data yourself; there are various techniques, none of which are safe and WILL make data recovery service less likely a successful option. Good luck!
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Your system is trying to boot to a Network Boot (PXE Boot is the way corporations image systems on the network with a corporate image) most likely this is due to the hard drive in your system failing and not being detected as a boot device (PXE boot is normally set as an option to boot after trying the hard drive then the optical drive) You can try re-seating the hard disk drive then resetting the BIOS defaults and see if the hard drive is detected and boots, if that fails, then most likely the hard disk drive has failed and you will need to replace the drive, then re-install Windows, all drivers, and all applications.
First of all backup all of ur data include your database if its stored on server , any encrypted files be sure that you decrypt it first after backup , determine if the server hardware compatible with new OS , don't forget the raid configurations after all of that boot with your new system CD and let the system format the hard for you i don't prefer to use third party application if i use microsoft windows
The CMOS needs to be set to first read the CD or DVD drive before it reads the Hard drive. Once your XP disk is in the drive it will boot from the CD drive and setup the computer, The CMOS is acessed by turning on the computer and immediatly pressing either the deleat key or the F! or F2 key try each one till you get to CMOS then look for boot section. Set CD drive to first your HD drive to second.
First check your boot sequences. If you want to get it to boot from the defuct PCs HDD you will need to see which is booting first. Bios will remember the actual hard ware by serial etc, not by which is master and slave.
If you just want to run the programs off that drive, then are you running windows?
check out the computer management tools (found in the administrator tools section of the control panel) and there you should be able to use disk management to see what drives are there.
Here you can change drive letters and will be able to see if the drives are being picked up by windows