Amanda-Users

Re: only one slot recognized

2008-11-21 13:35:41
Subject: Re: only one slot recognized
From: Nicholas Brockner <nbrockne AT hamilton DOT edu>
To: Jean-Louis Martineau <martineau AT zmanda DOT com>
Date: Fri, 21 Nov 2008 08:30:46 -0500
Hi Jean-Louis,
Please see inline.

Jean-Louis Martineau wrote:
What's in your changer config file?
-sh-3.2$ more changer.conf
changerdev=/dev/sg3
havereader=1
offline_before_unload=1
OFFLINE_BEFORE_UNLOAD=1
poll_drive_ready=10
Max_drive_wait=99
unloadpause=20
driveslot=0

What's the output of : mtx -f /dev/sg? status
MTX looks fine:

-sh-3.2$ mtx -f /dev/sg3 status
 Storage Changer /dev/sg3:1 Drives, 16 Slots ( 0 Import/Export )
Data Transfer Element 0:Full (Storage Element 1 Loaded)
     Storage Element 1:Empty
     Storage Element 2:Empty
     Storage Element 3:Empty
     Storage Element 4:Empty
     Storage Element 5:Empty
     Storage Element 6:Empty
     Storage Element 7:Empty
     Storage Element 8:Empty
     Storage Element 9:Empty
     Storage Element 10:Empty
     Storage Element 11:Empty
     Storage Element 12:Empty
     Storage Element 13:Empty
     Storage Element 14:Empty
     Storage Element 15:Empty
     Storage Element 16:Empty
What's in the debug file?
-sh-3.2$ more changer.debug
Args -> -slot advance
    -> loaded -1
Exit -> 0 /dev/null
Args -> -slot advance
    -> loaded -1
Exit -> 0 /dev/null
Args -> -slot advance
    -> loaded -1
Exit -> 0 /dev/null
Args -> -info
    -> info   -1
Exit -> 0 5 1
Args -> -slot current
    -> loaded -1
Exit -> 1 /dev/nst0
Args -> -slot next
    -> loaded -1
-> load 0
-> status 1
-> result
Exit -> 0
arguments -> -info
Exit -> <none> chg-multi: firstslot not specified in /etc/amanda/dailyfull/chang
er.conf
arguments -> -info
Exit -> <none> chg-multi: firstslot not specified in /etc/amanda/dailyfull/chang
er.conf
arguments -> -info
Exit -> <none> chg-multi: firstslot not specified in /etc/amanda/dailyfull/chang
er.conf
arguments -> -info
Exit -> <none> chg-multi: firstslot not specified in /etc/amanda/dailyfull/chang
er.conf
Args -> -info
    -> info   -1
Exit -> 0 5 1
Args -> -slot current
    -> loaded -1
Exit -> 1 tape:/dev/nst0
Args -> -slot next
    -> loaded -1
-> load 0
-> status 1
-> result
Exit -> 0


So, it would appear that I need to specify firstslot in my changer.conf. BUT when I do that, it sees 16 slots, but calls them all "slot 1" and the changer.debug has no output:

-sh-3.2$ amtape dailyfull show
amtape: scanning all 16 slots in tape-changer rack:
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1
slot   1: time X              label week1tape1

And when I try to change to the next slot:

-sh-3.2$ amtape dailyfull slot next
amtape: changed to slot 1 on tape:/dev/nst0
-sh-3.2$ amtape dailyfull slot next
amtape: changed to slot 1 on tape:/dev/nst0
-sh-3.2$

I'm stumped. mtx and mt work fine. Thanks for your help with this, and thank you for your continued work on amanda, it is a wonderful suite of programs.

-Nick

Jean-Louis

Nicholas Brockner wrote:
Hi All,

I have been banging my head against this all day:

I have a superloader3 16 slot LTO3 unit I am trying to set up. For some reason, the glue script only sees one slot (slot 1):

-sh-3.2$ /usr/libexec/amanda/chg-zd-mtx -info
1 1 1 1

-sh-3.2$ amtape dailyfull show
amtape: scanning all 1 slots in tape-changer rack:
slot   1: time X              label week1tape1

I am using 2.6.0p2 on Centos 5.2.

any ideas?

-Nick


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