From: LaMere, Brian (N-Innovantage) (brian.lamere@lmco.com)
Date: Thu Sep 22 2005 - 14:26:25 EDT
> is there an elegant way to determine how many ufsdumps are on a tape?
>
> In what is a gross "hack," I simply issue several commands like:
>
> "mt -f /dev/rmt/0n fsf 1"
>
> until I get an error. When at the last file, issuing that
> command again responds with:
>
> "/dev/rmt/0 fsf 1 failed: I/O error"
(note that it was simply a typo in the email that it didn't say /dev/rmt/0n before)
several said that often things (esp device drivers) are done precisely like that - loop until you get an error. So I went forward with that, until the oem suggestions...
doing the following:
mt -f /dev/rmt/0n eom
let COUNT=`mt -f /dev/rmt/0n status|awk '/file/ {print$3}'`
with that, COUNT is the num of archives on the tape. Tada! Then "ufsrestore -tvf" can be used to verify the contents one after the other, based on that. I had seen/used oem before, but
Meh. I'm used to using high-level backup utils (Netbackup, etc) so I guess I got spoiled. Thanks to those that replied!
Brian LaMere
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