>it takes long enough to rebuild an array with large drives that the >chances of a second drive failing during the rebuild become noticable. Worse, the act of rebuilding can prompt a second, marginal disk to fail. Presumably the mechanics are the head runs through a patch of debris in an otherwise rarely accessed area of the disk, or the increased load causes thermal problems. -- Andrew McNamara, Senior Developer, Object Craft http://www.object-craft.com.au/ ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html