I have not used chg-mtx, I used chg-scsi... this may be of some help...

1) runtapes is the number of tapes that can be used in 1 backup run, not how
many are available in the changer (just in case you thought that is what it
may have meant)

2) tapedev is set to "0" when using chg-scsi, not sure if this matters for
mtx ?

3) chg-scsi requires a chg-scsi.conf file to tell it what is out there to
work with. Not sure if mtx's changer interface requires this. Mine is
attached below:

changerident    C1553A
changerdev      /dev/ch0 (NetBSD has a specific changer device. This appears
to be your /dev/sg1)
debug           9:0
#
# Next comes the data for drive 0
#
config          0
drivenum        0
dev             /dev/nrst0      # the device that is used for the tapedrive
0
scsitapedev     /dev/rst0
startuse        0       # The slots associated with the drive 0 for amanda
tapes
enduse          4       #
statfile        /usr/pkg/etc/amanda/st0-slot  # The file where the actual
slot is stored
cleancart       5       # the slot where the cleaningcartridge for drive 0
is located
cleanfile       /usr/pkg/etc/amanda/st0-clean # The file where the cleanings
are recorded
usagecount      /usr/pkg/etc/amanda/totaltime
tapestatus      /usr/pkg/etc/amanda/st0-status

Scott R. Burns
NETCON Technologies Inc.
Suite 135 - 4474 Blakie Road
London, Ontario, Canada
N6L 1G7
Voice: +1.519.652.0401
Fax: +1.519.652.9275


-----Original Message-----
From: owner-amanda-users AT amanda DOT org
[mailto:owner-amanda-users AT amanda DOT org]On Behalf Of Marcus
Sent: Wednesday, August 03, 2005 10:07 PM
To: amanda-users AT amanda DOT org
Subject: My First changer.debug


Hi, I'm sure this is simple but I don't know how to
figure it out.
So far I can make my Adic Fastor do basic stuff with
tar, mt and mtx. So I try to get amlabel to pick a
slot and label it, and this happens

MT -> /usr/sbin/ammt -f
DD -> /usr/sbin/amdd
Args -> -slot 1
     -> loaded -1
     -> load   1
     -> status 1
     -> res
Exit -> 1

So I mtx -f /dev/sg1 load 1 the drive, and nix the
slot option for amlabel. That gets me:

MT -> /usr/sbin/ammt -f
DD -> /usr/sbin/amdd
Args -> -slot current
     -> loaded -1
Exit -> 1 /dev/nst0

I don't understand how to read this. They look like
incomplete commands? If there's something that
explains how to decipher this I'd check it out. Here's
the hardware section of amanda.conf:

runtapes 7
tpchanger "chg-mtx"
tapedev "/dev/nst0"
rawtapedev "/dev/null"
#changerfile "/var/lib/amanda/DailySet1/changer"
#changerfile
"/var/lib/amanda/DailySet1/changer-status"
#changerfile "/etc/amanda/DailySet1/changer.conf"
changerdev "/dev/sg1"
tapetype DLT
labelstr "^camorigs[0-9][0-9]*$"

Thanks for any help!



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