Date: Tue, 29 Sep 1998 22:08:51 -0500 (CDT) From: "Kenneth P. Stox" <ken@stox.sa.enteract.com> To: hackers@FreeBSD.ORG Subject: Re: Exabyte 8500 in low density (2GB) mode... How? Message-ID: <Pine.BSF.3.96.980929220050.893B-100000@m4.stox.sa.enteract.com> In-Reply-To: <19980929142441.A1359@Denninger.Net>
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On Tue, 29 Sep 1998, Karl Denninger wrote: > I don't believe an 8500 CAN write 8200 format. > > It can READ 8200 format, but not write it. There are differences in track > density and head gap size, and as such I don't believe this is even > physically possible. An 8500 can write in 8200 density just fine. Reliably reading that tape on an 8200 is another question entirely. The 8500 writes a far narrower track than the 8200. Although this represents a challenge, it is not impossible. If the tape has never been used on an 8200, and then written on the 8500, chances are it will work. However, if the tape had previously been written on an 8200, the 8500 will never completely erase the data left in the wider tracks by the 8200. When this tape is then written on the 8500 ( in 8200 density ) and mounted on an 8200, the 8200 can become confused by the "old" data left on the outside of the narrower tracks. -Ken Stox stox@enteract.com stox@fnal.gov To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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