Francesco Pietra wrote: > I hope not to bother beyond the limit, but the security of mirror raid is > something of utmost importance, at least in my work of biochemist, with > very limited ability in recovering from disk failures. I must express concern. While RAID is very useful to keeping a system running across disk failures that it is not a backup. Even with RAID functioning perfectly it is possible to have accidental file deletion and other file mangling. A known good backup is still required! Having good RAID does not remove the need for a backup. Operating a critical system without backup is a scary thing. Important enough to repeat. A known good backup is still required! Bob
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