Nelson Stansbury - Technical Manager ask: File and Print server 10baseT 128Meg/PII333/100mhz bus VGA NT4/SP6 Mirrored C drives for OS 2 4.2 IDE drives 140 Meg paging file on OS drive Internal Adaptec Raid Card with 4 WD9.2gig UWSCSI2 Cable is self terminating SCSI ID's 0,1,2,3 Has Tape backup HPDAT12/24 on same controller card, different channel Every 6 - 8 weeks a random drive fails, random times, usually when no activity on network. Different drives. Sometimes they re-build, sometimes they refuse. Today it is refusing to re-build. After re-booting the sytem the drives are rebuildable again, for another 6 - 8 weeks. Any ideas why? Visit our website regularly for FAQs, articles, how-to's, tech tips and much more http://nospin.com - http://nospin.org