eugen leitl eugenleitlorg mon 16 sep 2002 stephen williams wrote efficientend low end 1million hour mtbf 133mbsec pretty good buffering speed thing going scsi 15000 rpm vs 7200 small number cases slightly better scattergather actually think might 15000 rpm ide krpm desktop hds higher failure rate agree eide high density eide hardware raid offer scsi sound beating reliability performance storage densityrack units money designed people would actually start buying issues pretty much nonissues using multiple drives controller contention use many ide channels extra pci cards 10 systems long cable runs split many hard drives inside 1u enclosure airflow blockage fit 23x number scsi disks eide soon thing past due sata storage nodes dualport scsi also nonissue since expensive doesnt work well practice numerous secondary failure modes shared disk systems still end single point failure since rackspace costs dominate systems need less decent io going 1u dells scsi hard drive prices dont really make visible difference given cost iron rackspacemonth plus 1u dells dont space left lots eide drives mon 16 sep 2002 211147 0200 cest storage bits