bin/14946: rmt(8) remote magtape protocol

kensmith at kensmith at
Mon Dec 15 18:35:52 PST 2008

Synopsis: rmt(8) remote magtape protocol

State-Changed-From-To: suspended->closed
State-Changed-By: kensmith
State-Changed-When: Tue Dec 16 02:31:33 UTC 2008

I verified using ufsdump from a Solaris-10 machine to a FreeBSD 7.1-RC1
machine with the target being a real tape drive works just fine.  If
the target is a plain file it doesn't work and generates the error
as described in the second follow-up but rmt was designed to talk to
tape drives.  You're better off using the approach shown as what works
in the second follow-up.  For example even on systems where rmt does
tolerate talking to a file the file needs to already exist, it won't
create it for you.

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