RAID keeps locking up when I try to rebuild

I have an Intel Server dual 3.2GHz with 4GB ram. I have a RAID 1+0 config with about 2 TB of data. One of my drives failed last night. When I went into the RAID BIOS and clicked on rebuild it started but about an hour later the drives that were rebuilding the failed one locked up on me. And I the RAID BIOS becomes unresponsive. So I have to restart my sysyem and try it again. I really could use some help here I have to get this resolved before sunday afternoon. THanks
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Herb VasquezNetwork AdministratorAsked:
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Dynamic1Connect With a Mentor Commented:
Also could be a bad SCSI cable.
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Dynamic1Commented:
You do not mention was the bad drive replaced with a new one?
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Herb VasquezNetwork AdministratorAuthor Commented:
Yes the drive has been replaced with a new one they are 140GB SCSI ultra 320 drives
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Dynamic1Commented:
Zult they do take some time to rebuild sometimes several hours. What kind of server is it. Compaq HP? ETC...
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Dynamic1Commented:
In the raid bios I would try the rebuild again also make sure you have a UPS on the system. Also LOW Level format the new hard drive in the raid bios before trying to rebuild the array.
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Herb VasquezNetwork AdministratorAuthor Commented:
Its a custom server with all Intel components. I started this last night and it was rebuilding when I left but when I came in this morning it was frozen at 5%. And everytime I try to start building it again it just locks up.
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Dynamic1Commented:
Check all the cables power ETC... Also make sure it was not some other problem PSU or power related that locked up the Array in the first place. You can get a cheap psu tester for about $10.
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Herb VasquezNetwork AdministratorAuthor Commented:
I replaced the SCSI cable twice. But ill check the power.
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darrenakinCommented:
Could be the SCSI controller, how many channels does it have? You may want to try another channel if available
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