Amanda-Users

Re: please help - autoloader problem !

2004-08-17 04:41:44
Subject: Re: please help - autoloader problem !
From: Christoph Scheeder <christoph.scheeder AT scheeder DOT de>
To: Ernest Byaruhanga <ernest AT afrinic DOT org>
Date: Tue, 17 Aug 2004 10:40:05 +0200
Hi
you definitly use the wrong wrapperscript for your changer.

chg-multi is designed to take multiple tape-drives to glue them together
to look like a virtual changer-device.
for example you have 5 identical tapedrives and want them to look like a 5-slot tape-changer. then you use chg-multi.

what you want to use is one of the other wrappers like chg-scsi, chg-mtx etc.
Depends on what tool you use to move your changer by hand.
Christoph

Ernest Byaruhanga schrieb:

hello Amanda Users,

I an having a problem with my Dell PowerVault Autoloader: amtape shows me that all slots are empty, yet 2 of the slots are loaded with tapes!

see below:

[ernest@oshe log]$ amtape oshe show
amtape: scanning all 8 slots in tape-changer rack:
slot 8: chg-multi: slot is empty
slot 1: chg-multi: slot is empty
slot 2: chg-multi: slot is empty
slot 3: chg-multi: slot is empty
slot 4: chg-multi: slot is empty
slot 5: chg-multi: slot is empty
slot 6: chg-multi: slot is empty
slot 7: chg-multi: slot is empty
[ernest@oshe log]$

the chg-multi.conf shows the following:

#************************************************

[...]

multieject 0

gravity 0

needeject 0

ejectdelay 0

statefile /usr/local/etc/amanda/changer-status

firstslot 1
lastslot 8
driveslot 0

slot 1 /dev/st1
slot 2 /dev/st2
slot 3 /dev/st3
slot 4 /dev/st4
slot 5 /dev/st5
slot 6 /dev/st6
slot 7 /dev/st7
slot 8 /dev/st8
#************************************************

where am i going wrong? first, the system sees the tape as /dev/st . is the slot device numbering then correct? also, the autoloader is seen as /dev/sg2. additionally, the mtx command tells me the right info, please see below:

[ernest@oshe log]$ mtx -f /dev/sg2 status
  Storage Changer /dev/sg2:1 Drives, 8 Slots ( 0 Import/Export )
Data Transfer Element 0:Full (Storage Element 1 Loaded)
      Storage Element 1:Empty
      Storage Element 2:Full
      Storage Element 3:Empty
      Storage Element 4:Empty
      Storage Element 5:Empty
      Storage Element 6:Empty
      Storage Element 7:Empty
      Storage Element 8:Empty
[ernest@oshe log]$

what is wrong? please help! all help will be greatly appreciated.

ernesto.



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