Problem with SATA RAID

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I've few servers TYAN GX28 (2881) with adaptec 2410SA SATA RAID and 3
disks WDC joined in raid5. From time to time one drive disappear. Last
time in 2 servers I've IO Errors and BUS error messages. One of them was
succesfully rebuilded and the other one have lost all information about
logical drive and lost all data. When disk disappear there is no
information logged in system logs and controller log only alarm sounds.

I've changed disk from Maxtor to WDC .
Sata cables are original from adaptec and are firmly connected to
controller and to backplain in chassis.

Have anybody any solution for this problems. Any suggestions about sata
raids and what don't do whith them.

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