Date: Tue, 11 Aug 1998 20:11:46 +0200 (CEST) From: Wilko Bulte <wilko@yedi.iaf.nl> To: dkelly@hiwaay.net (David Kelly) Cc: se@FreeBSD.ORG, pvh@leftside.wcape.school.za, freebsd-hackers@FreeBSD.ORG Subject: Re: EXA 8200 tape drive on FreeBSD? Message-ID: <199808111811.UAA00917@yedi.iaf.nl> In-Reply-To: <199808110035.TAA00818@nospam.hiwaay.net> from David Kelly at "Aug 10, 98 07:35:25 pm"
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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
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