intel xserve raid controller 2TB WD drives wont appear

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Have had a tough time with this one. I bought a dual, dual core 3.0 xserve 16GB ram and bought a raid controller for it. I then purchased 1.5TB seagate drives x3 to set up as a raid 5. NOTE, don’t do that. They freeze and the raid is contstantly rebuilding a drive. Sent back those drives and read the WD Green drives fair well. Bought the 2TB x3 drives and put them in the machine. Under the raid controller they are acting funny. Sometimes one will show, another (after reboot) maybe two. This is throwing me off my schedule bad for a migration of a 1st xserve on its last leg. Any help or suggestions are greatly appreciated.

[OURTOWN]

After much frustration figured It may be a format issue. I removed the raid controller and reinstalled the original. Opened disk utility from install disk to erase and reedo the drives. Nothing still appears!.. grrr…. 😥

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possibly solved! I am updating this to hopefully save someone this headache in the future. Found this link http://discussions.apple.com/thread.jspa?threadID=1945908&tstart=0 and so far throttling down the drives has them appearring and my raid array is being built now. All going well almost 3B Raid 5 on an intel xserve isn’t bad 🙂 I can get rid of my Apple Raid Array now.

[OURTOWN]

solved. To get drives to work with the new Intel Server the drives have to be set to SATA1 since the XServe does not support SATA2 at 300MB/s

These are the links that will help with this solution should we need to add a drive.

Seems simple enough, but try weaseling this info out of Apple! I had to just try it.
Jumper setting links and articles below:

http://www.seagate.com/ww/v/index.jsp?locale=en-US&name=Serial_ATA_Jumpers_and_Cabling&vgnextoid=4a02242cb043e010VgnVCM100000dd04090aRCRD

For Western Digital Drives:
see OPT1 setting at the bottom
http://www.tomshardware.com/forum/247002-32-hard-drive-jumper-limits

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