Date: Sat, 14 Feb 1998 10:22:41 +1030 From: Greg Lehey <grog@lemis.com> To: Ustimenko Semen <semen@iclub.nsu.ru>, freebsd-hackers@FreeBSD.ORG Subject: Re: Sony SDT-7000 Tape won't write 4Gig Message-ID: <19980214102241.18021@freebie.lemis.com> In-Reply-To: <Pine.BSF.3.96.980213162358.8500A-100000@iclub.nsu.ru>; from Ustimenko Semen on Fri, Feb 13, 1998 at 04:26:34PM %2B0600 References: <Pine.BSF.3.96.980213162358.8500A-100000@iclub.nsu.ru>
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On Fri, 13 February 1998 at 16:26:34 +0600, Ustimenko Semen wrote: > On Thu, 12 Feb 1998, Greg Lehey wrote: > >> On Wed, 11 February 1998 at 19:51:36 +0600, Ustimenko Semen wrote: >>> Hello! >>> >>> I have got Sony SDT-1700 device, but i can't get it work:( > > As a wrote - it is SDT-7000 realy:) > >>> It should write 4 Gig on one >>> DDS Cassete. But under 2.2.5-RELEASE write to /dev/rst0 fail >>> on near 1 Gig. >>> >>> The seller tells it works fine under WinNT with 3d Service Pack. >>> Is this the only way to make it work? >> >> No, that's a very bad way to make it work. NT tape support is almost >> non-existent. >> >> You don't say how you determined that you got to the end of the tape. >> Programs like dump have their own idea of how big the tape is, and >> will stop at this point even if you haven't got to EOT. I don't know >> dump, but it should be in the man page. If you're getting this with >> tar, something's seriously wrong. > > I wrote simple program, that fwrite to stdout random seeds, and to stderr > - number of written bytes. > Then i redirect output of my program to /dev/rst0, and on near 900Kb, > program failed to fwrite due to i/o error. After i/o error any operations > on /dev/rst0 cause messages from kernel, that it can't write to device. > Else: the Cassete was used more than on 3/4. Well, I'm sure you could rewind and try again. > I use DDS-2, it shall ( as noticed) write 4G without and 8G with > compression. Can you send me the program? You can put it on ftp://ftp.lemis.com/incoming. Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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