Subject: Re: New to NetBSD/Vax, trying to bring up a MVII
To: None <port-vax@NetBSD.ORG>
From: John Wilson <>
List: port-vax
Date: 08/12/2007 20:02:54
From: Mr Ian Primus <>

>dd if=boot.fs of=/dev/nst0 bs=512
>The tape whirred to life, and proceded to shoeshine
>back and forth. A lot. It makes very, very slow
>progress through the cartridge. I let it run, and
>eventually (after over an hour) it had spooled almost
>all the tape out of the cartridge and onto the takeup
>reel, and stopped with an I/O error.

This may not be it, but in my own experiments with TK50Z-GAs and TZ30s on
PCs running DOS, I found that turning on write buffering was not optional.
Without it the performance is unusable, *and* you get I/O errors for no
apparent reason.

John Wilson
D Bit