Date: Tue, 11 Aug 1998 17:12:04 -0700 From: "Ron 'The Insane One' Rosson" <insane@oneinsane.net> To: freebsd-hackers@FreeBSD.ORG Subject: Re: EXA 8200 tape drive on FreeBSD? Message-ID: <19980811171204.A16317@oneinsane.net> In-Reply-To: <199808111811.UAA00917@yedi.iaf.nl>; from Wilko Bulte on Tue, Aug 11, 1998 at 08:11:46PM %2B0200 References: <199808110035.TAA00818@nospam.hiwaay.net> <199808111811.UAA00917@yedi.iaf.nl>
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The below is hwat I use without problem. We also have one attatched to a ncr controller as well. Try this to see if your 8200 works tar -cvf - . |dd of=/dev/rst0 bs=10k Here is what my dmesg has. ahc0 <Adaptec 2940A Ultra SCSI host adapter> rev 1 int a irq 9 on pci0:18:0 ahc0: aic7860 Single Channel, SCSI Id=7, 3 SCBs (ahc0:5:0): "EXABYTE EXB-8200 2618" type 1 removable SCSI 1 On Tue, Aug 11, 1998 at 08:11:46PM +0200, Wilko Bulte wrote: > As David Kelly wrote... > > Stefan Esser writes: > > > On 1998-08-09 17:32 +0200, Peter van Heusden <pvh@leftside.wcape.school.za> w > > > rote: > > > > However, I cannot write to it at all - even after a 'mt erase', I get the > > > > following: > > > > > > > > bash# mt rewind > > > > bash# dd if=/kernel of=/dev/nrst0 bs=64 count=1024 > > > > dd: /dev/nrst0: Input/output error > > > > 1+0 records in > > > > 0+0 records out > > > > 0 bytes transferred in 0.082043 secs (0 bytes/sec) > > > > bash# > > > > > > Did you try shorter transfers (less than 64KB blocks) ? > > > > > > I seem to remember, that the EXABYTE 8200 was limited to > > > less than 64KB per block (i.e. 63KB works, but 64KB doesn't). > > > > "bs=64" spells out 64 byte blocks, not 64k. "bs=64k" would be 64k. > > > > There might be a problem with the block being too small. :-) > > > > SGI Irix defaults to 128k blocks on Exabyte 8mm drives, including the > > 8200. Its FreeBSD that won't (can't) do more than 64k. > > I think the 8200 uses 1 kB blocks itself by default. > > > As others have mentioned, when a new (new to you) Exabyte drive acts > > flaky its time to flash the EEPROMs or burn new EPROMs for the old 8200. > > I too have a new-to-me 8200 that ID's, rewinds, retensions, ejects, and > > all that good stuff. But doesn't work. If new EPROMs don't fix it, then > > its junk. That too is standard failure mode for an Exabyte. > > Exabytes are not the most robust of devices yes.. > > _ ______________________________________________________________________ > | / o / / _ Bulte email: wilko @ yedi.iaf.nl > |/|/ / / /( (_) Arnhem, The Netherlands WWW: http://www.tcja.nl > ______________________________________________ Powered by FreeBSD __________ > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message -- -------------------------------------------------------- Ron Rosson ... and a UNIX user said ... The InSaNe One rm -rf * insane@oneinsane.net and all was null and void -------------------------------------------------------- It's so nice to be insane, nobody asks you to explain. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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