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Win2k Server rebooting

By ajobrien ·
I have a Win2k Server with 2 5-drive SCSI array's on Adaptec ATA 2940 SCSI controllers (firmware has been updated). This server had redundant (hot swappable) 300 watt power supplies. It originally had one 5-drive array and was running fine until we put in the second array. Once the second array was installed, the server started losing power when we ran a backup or tried to move files from one parition to another partition on the same array. We upgraded the power supplies to 400's. Now thething is not losing power but it is rebooting when when we try to do anything such as run a backup or move files. This Server is our primary domain controller as well as our Exchange 2000 Server. Any ideas? Thanks.

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Win2k Server rebooting

by timwalsh In reply to Win2k Server rebooting

Chances are very good that even after upgrading your power supplies, you are still overloading them.

Are you running more than 1 processor in your server?

10 SCSI hard drives and a SCSI Tape drive alone at peak current draw could take up almost 2/3 of your power supply's capacity by themselves.

I would suggest one of two possible courses of action:
Upgrade your power supplies (again) to 650's (minimum).
Remove your drive arrays to external enclosures with their own power supplies.

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Win2k Server rebooting

by ajobrien In reply to Win2k Server rebooting

I think you hit it on the head. My Server box is running dual 1Ghz. processors. This afternoon we put the second array on it's own power. If the tape backup runs ok tonight we'll have our answer. I have someone "babysitting" tonight to make sure it goes as we hope it will.
Thanks, Angela

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Win2k Server rebooting

by ajobrien In reply to Win2k Server rebooting

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