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ajahnkeFlag for United States of America asked on

Need to move RAID Array from one server to another

Im trying to move SATA drives from one server to another that I bought at the same time a little over two years ago. The servers are nearly identical (both using the same Intel server board), except that the source server is using a 3ware RAID controller, and the destination server is using the on-board Intel RAID controller.

The drives/array arent recognized by the destination server  even in the RAID BIOS& it just doesnt see them. How do I get this array moved from the source server to the destination server intact? Im sure its possible for the simple fact that this is what disaster recovery is all about, but I can't figure out what's wrong.
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Jaymz_R

8/22/2022 - Mon
debuggerau

can you move the raid controller over with it, as the formatting of the Raid will be device dependent.
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Jaymz_R

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ASKER
ajahnke

No, but I suppose I could purchase another 3ware controller. I suppose I would only be limited by the number of drives I could fit inside the machine since the hotswap backplane is already controlled by the Intel controller, right? That is to say, I have a 4-drive array that would need to connect via SATA cable to a new 3ware controller, but would have to put them all the way inside the box since the current backplane must remain intact to run the existing 2-drive array this server currently boots from...?
ASKER
ajahnke

The only problem I have doing a backup is that this array adds up to about 1.5 TB, so even backing it up is kind of difficult without even more drives/arrays.
Your help has saved me hundreds of hours of internet surfing.
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ASKER
ajahnke

OK - I'm going to try to get another 3ware controller and see if that does it. I'll let you know how it goes, but it's probably going to take a couple days to a week since the server has to go offline.
debuggerau

why not just unplug the existing one to test it? Make sure the settings are the same..
But if your getting another, make sure its the same type with the same version firmware..
Jaymz_R

I just hope you don't reck your raid headers.  corrupt that, and your in for nothing but problems.  and can't backup 1.5 TB ... do you back it up atm?  p.s. 1tb HDD / other work computers.  Split the image into 100GB pieces, and distribute the image over multiple computers.  Just a suggestion.  I just don't want u wrecking vital business data.
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