Raid 5 failure points.

May 17, 2010 at 14:46:46
Specs: Windows XP
I am looking at picking up a for my XP system and a controller as it does not have eSATA. The reason for this is to keep my data in a RAID 5 array, I lost a 1tb disc recently and do not want to go through that again with one of the other 9. Most of the 4 port eSATA cards I find are software instead of hardware raid. If I have various failures can I recover the data, if the card dies I can replace it and should be ok since it is software, but what about if my OS crashes and I have to reload, being software it is all stored on that drive isn't it? If I manage to find a hardware raid solution and the controller dies can I just replace it and be good to go?
Sorry I hope that is clearer.

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May 17, 2010 at 15:06:09
Never an easy solution to this. Hardware changes all the time. What most companies do is have a raid array for normal day to day. They backup to some other media. There is no 100% sure way to recover raid based on some hardware on windows that I know of.

Now it does get rather difficult to manage since there are a few thousand ways to backup. The only ms supported solution is to use ntbackup with system state. You should be able to restore that to a different machine if you follow their advice. You install the OS and then apply the restore point.

I tend to have two ways to recover data. I like to make a ghost or similar image. Then I make a ntbackup with system state. One or the other usually gets me back to some state.

Playing to the angels
Les Paul (1915-2009)

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