Amanda-Users

Re: amtapetype - silly thing I tried

2007-06-01 08:05:10
Subject: Re: amtapetype - silly thing I tried
From: Jean-Louis Martineau <martineau AT zmanda DOT com>
To: Jon LaBadie <jon AT jgcomp DOT com>
Date: Fri, 01 Jun 2007 08:00:21 -0400
Jon,

amtapetype should terminate once it fill the disk.

Jean-Louis

Jon LaBadie wrote:
Back to back posts to the list on amtapetype and the file:driver
made me wonder, will amtapetype work with virtual tapes?  Not
that it would be of any benefit, just wondered if it would.

Well, to my surprise, amtapetype does "seem to work" with vtapes.
But ...

It recognized the slot and "amanda tape" in the slot,
refusing to go on.
It could be forced to overwrite the "amanda tape" in the slot
with the -f option.
It did its compression test.
It wrote its files to the virtual tape slot.
And wrote and wrote and wrote.

I.e. unlike amdump/amflush that appear to see a pseudo EOF
when their writing reached the 14GB size listed in the
tapetype definition (and the estimate, -e option),
amtapetype never sees the EOF.  Of course it is trying
to figure out what that size limit is supposed to be,
so maybe it is reasonable that it never got an EOF ;)

Not sure which surprised me most, that it started and worked
well, or that it did not end normally.



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