Hard drives sleep - not energy saver settings

I have two(2) different Quad 2.7 Pro Mac computers, both with 2 500GB Seagate drives mirror raided internally and Sonnet Fusion D500 SATA enclosures with 5 500GB seagates RAID striped.
They all fall asleep after inactivity, and it take several seconds for the drives to spin back up. The energy saver is set to never. I even tried turing it on, restarting, turing it off, reseting, but it did not help.
I've removed the internal RAID and the external still sleeps, and vice versa.
My only thought is it it the seagate drives. They are refurbished baracuda 7200.9 drives.
Any ideas?

hello,
i'm experiencing the same issue. i have 4 internal raptors in RAID0 and 4 external WD drives in a PM enclosure and have found that they too sleep as you mentioned.
i checked the energy saver and the box is unchecked to "put drives to sleep when possible" also...
i installed Leopard the other day when i got the new enclosure and external equipment - clean install - so i don't know if it would do the same in Tiger...
any suggestions, or is this normal for exterior storage - regardless if it is SATA or not?

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    iPod Photo: unhappy icon + warranty question
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    Sad faced iPod, but my computer won’t recognize it
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