ufsdump doesn't unload tape

From: Paul Boven (p.boven@chello.nl)
Date: Sun Jun 22 2003 - 14:10:36 EDT


Hi everyone,

I have a SunBlade 100 (Solaris 9) and a Quantum DLT2500xt tape-changer.
I'm using fssnap and then
ufsdump to make backups of the system.
Some extra details: Scsi is via a SunSwift card, then a Dec SCSI SE to
HVD converter, and then to the drive/autoloader.
I have these extra entries in my /kernel/drv/st.conf:

tape-config-list=
"SGI DLT2500", "Quantum DLT2500xt changer", "DLT-data";
DLT-data = 1, 0x38, 0, 0x0D639, 4, 0x17, 0x18, 0x80, 0x81, 3;

Problem: When I run ufsdump with the 'l' option (that's a small L,
folks), it should unload the tape when
full. The autoloader is by default in 'stacker' mode, and should get the
next tape, to continue the dump. But
the unload doesn't happen, and my ufsdump keeps waiting for the next tape.

Issuing an 'mt offline' doesn't unload the tape either. Using mtx I can
load/unload tapes, but then that takes
the drive out of sequential/stacker mode, and I still can't do a full
backup (multi-tape) unattended.

Any hints appreciated, will summarize.

Regards, Paul Boven.
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