problem with tctl-command after AIX migration to 5.1

From: fmu@OERAG.DE
Date: Wed Jan 21 2004 - 09:30:28 EST

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Hi *,
I migrate one from our MCA wide nodes from AIX 4.3.3 to AIX 5.1. On this
node hangs over S/370 Channel Adapter two 3490E tape drives.

Now I check the tctl-command. Always runs fine, but not the rewind-, the
offline- and the rewoffl - subcommand. Read-, write-, status- and the rest
is o.k.

I get the following info, when I start tctl -f/dev/rmt0 rewind:

"/dev/rmt0 rewind 1 failed: A system call received a parameter that is not
valid"

The same result with mt - commands.

With tapeutil I can rewind and checkout the tape.

Any infos??? What can I do? Any additional commands which can I test?

Frank Mueller

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