You may have trouble booting from this drive because it will be missing drivers and boot paths for your new controller, but that can be addressed manually. Recovery from a hardware RAID controller is not difficult. Skipping that, and writing a simple program to read from each drive in the correct order including RAID 5’s rotated parity I managed to recover all the data. Please sign in to comment You will be able to leave a comment after signing in Sign In Now. This will allow you to back up the data to another place, then wipe your disks, build a new array and put your data back. Xen Ent 4 works ok. Jeremy 2 6
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I had a CMD raid controller fail, and after a bit of easy sniffing around on the drives, I found that each drive had the Imtel set configuration stored in the first few blocks. There are no moving parts and as long as they are kept cool and have clean power, they almost always outlast their usefulness.
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The best advice we can give you is to hire a professional to help you out. The users who voted to close gave this specific reason: Skipping that, and writing a simple program to read from each drive in the correct order including RAID 5’s rotated parity I managed to recover all the data. Upvote if you also have this question or find it interesting. I’ve never had a problem procuring a replacement RAID card in the event of a failure from HP, Dell, or IBM, so the only real value if you’re doing this strictly for compatibility is so that you can yank disks from one server and softeare them in another, which I’ve never seen anyone do ever.
The performance may be bad, or it may not let you rebuild, but the data will be accessible. Apologies for the inconvenience. Brian Desmond 4 7. I was originally just looking at an onboard raid controller, or an entry level nas drvice like the intel SSE, but If the hardware controller ever fails, will I be wsrt-2 of luck accessing the data if I can’t get the exact same hardware to replace it? The problem happens when you cannot get your hands on an identical controller.
Or is that true only in some implementations?
Troubleshooting RAID Issues for Intel® Server Boards and Intel® Server Systems
Posted September 20, If the array can be moved between systems “use disk config or use controller config” type prompt or can accept non-identical drives in the array, there is likely some abstraction happening. Also, although the one controller is a single point of failure, controllers rarely fail.
You may have trouble booting from this drive because it will be missing drivers and boot paths for your new controller, but that can be addressed manually. The notion that if one hardware controller fails, you may need to wipe the drives is inaccurate, but I think I know what they may have been referring to. Bottom line, if your hardware RAID controller fails highly unlikely – you can take either of the drives, connect it to any machine and your data will be there.
Intel Server SPAL SAS RAID – Server Installation – Discussions
Someone told me that if the controller fails, you can’t just get a new controller because you’ll have to reformat the drives. If you’re using RAID-1, then the controller is usually not relevant. It would depend on how the specific controller implemented the array.
Upvote if you found this answer helpful or interesting. Xen Ent 4 works ok.
ENABLE ESRT2 AS RAID CONTROLLER IN CMOS
Jeremy M 4 Follow, to receive updates on this topic. Likewise, you can no longer take a RAID 0 array and make it fault tolerant – you got to back it up, wipe everything, build the array and then restore.
I hope it should work as these raid controllers are supported in XenServer v4. I was trying to install xen 5.