1.0 link Ami Sapphire's Notices http://cwcyrix.nsupdate.info/gnu-social/public/ Clarissa Walker (amisapphire@cwcyrix.nsupdate.info) http://cwcyrix.nsupdate.info/gnu-social/public/index.php/amisapphire http://cwcyrix.nsupdate.info/gnu-social/public/notice/58 Found the telltale sign re: bad data cable... it was on RAID5 drive 2 (layout: 0 - 1 - 2 - 3; drives are in order of manufacture date). That particular 4TB drive now has a UDMA CRC Error Count of 1, a recent happening during a bunch of large file transfers.<br /> <br /> Since I replaced them all, this may no longer be an issue right now.