Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!rutgers!usc!zaphod.mps.ohio-state.edu!rpi!masscomp!ocpt!tsdiag!overlf!emanuele From: emanuele@overlf.UUCP (Mark A. Emanuele) Newsgroups: comp.unix.admin Subject: Re: Verifying Tape Writes Summary: Try dd Message-ID: <1837@overlf.UUCP> Date: 2 Dec 90 18:21:57 GMT References: <528@mermaid.Litle.Com> Organization: Overleaf, Inc. Lines: 31 In article <528@mermaid.Litle.Com>, tom@mermaid.Litle.Com (Tom Hampton) writes: > We had thought that printing out a catalog of a tape's > contents prooved that the tape would be restoreable: > > cpio -itvB > In practice, we have found that the above commamd completes > with success (repeatably) in instances where the tape proved > (repeatably) unrestoreable. > > Any suggestions? Try good old dd It will tell you if the tape is readable all the way to the end. I use this to verify formatted disks for readability. dd if=/dev/tape of=/dev/null This should work (I think). -- Mark A. Emanuele V.P. Engineering Overleaf, Inc. 500 Route 10 Ledgewood, NJ 07852-9639 attmail!overlf!emanuele (201) 927-3785 Voice (201) 927-5781 fax emanuele@overlf.UUCP