Thanks Arno, you are a Saint :)
Alle 20:50, martedì 12 dicembre 2006, Arno Lehmann ha scritto:
> Hello,
>
> On 12/12/2006 11:59 AM, Alessio Mineni wrote:
> > Hi all,
> >
> > I have 3 DAT drives and I want to group this drives into one autochenger
> > virtual device via multitape-changer script.
>
> There was some discussion about multitape-changer recently. Use some of
> the list archives to see if there is relevant information for you...
> > [...]
> I don't think this is how multitape-changer works. I never actually used
> it, but I think it simulates a one-drive autochanger with a number of
> slots equal to the number of drives you have.
Me silly! You are right! I correct it leaving only one tape device named
changer0. I've found the thread you are talking about but, it use a
configuration like old mine (with one autochanger and three tape device
configured in sd.conf).
This is the new:
bacula-sd.conf
AutoChanger {
Name = "multitape0"
Device = vtape0
Changer Command = "/usr/libexec/bacula/multitape-changer %c %o %S %a %d"
Changer Device = /dev/sg0
}
Device {
Name = vtape0
Drive Index = 0
Media Type = 4mm
Archive Device = /dev/changer0
AutomaticMount = yes
AlwaysOpen = no
RemovableMedia = yes
RandomAccess = no
AutoChanger = yes
LabelMedia = no
}
and bacula-dir.conf
Storage {
Name = changer0
Address = 192.168.0.20
SDPort = 9103
Password = "P00io9"
Device = multitape0
AutoChanger = yes
Media Type = 4mm
Maximum Concurrent Jobs = 1
}
> > [...]
> > [...]
> >
> > 1 - no automatic startup link has done by bacula, I have to link
> > /dev/nstx to /dev/changer0 manually
>
> Sure, Bacula doesn't create device nodes for you.
>
> > 2 - no automatic change has done by bacula
>
> So the autochanger setup didn't work. What does btapes test command tell
> you?
Why not? Using multitape-changer in command line it create the right
simlink /dev/changer0 --> /dev/nst1|2|3.
If I tell bacula to "update slots" it will virtually change the tapes in the
library changing the simlink, and read, one by one, the tapes header.
> So the multitape-changer setup is not correct. See that thread I
> mentioned for more information.
>
> Or hope to find someone who actually uses that... (or pay me :-)
> seriously, I didn't get the impression that the suggested multichanger
> script is easy to use).
>
> Arno
Take a look at this output:
chronos dev # bconsole
Connecting to Director chronos:9101
1000 OK: chronos-dir Version: 1.38.5 (18 January 2006)
Enter a period to cancel a command.
*update slots
Using default Catalog name=MyCatalog DB=bacula
The defined Storage resources are:
[...]
3: changer0
[...]
Select Storage resource (1-10): 3
Connecting to Storage daemon changer0 at 192.168.0.20:9103 ...
Connecting to Storage daemon changer0 at 192.168.0.20:9103 ...
3306 Issuing autochanger "slots" command.
Device "multitape0" has 3 slots.
Connecting to Storage daemon changer0 at 192.168.0.20:9103 ...
3301 Issuing autochanger "loaded drive 0" command.
3302 Autochanger "loaded drive 0", result: nothing loaded.
3306 Issuing autochanger "list" command.
Volume "1" not found in catalog. Slot=1 InChanger set to zero.
Volume "2" not found in catalog. Slot=2 InChanger set to zero.
Volume "3" not found in catalog. Slot=3 InChanger set to zero.
*label
The defined Storage resources are:
[...]
3: changer0
[...]
Select Storage resource (1-10): 3
Enter new Volume name: extra01-0001
Enter slot (0 or Enter for none): 0
Defined Pools:
[...]
13: extra01
[...]
Select the Pool (1-13): 13
Connecting to Storage daemon changer0 at 192.168.0.20:9103 ...
Sending label command for Volume "extra01-0001" Slot 0 ...
3301 Issuing autochanger "loaded drive 0" command.
3302 Autochanger "loaded drive 0", result: nothing loaded.
3301 Issuing autochanger "loaded drive 0" command.
3302 Autochanger "loaded drive 0", result: nothing loaded.
3912 Failed to label Volume: ERR=dev.c:672 Rewind error on "vtape0"
(/dev/changer0). ERR=Inappropriate ioctl for device.
It call the loaded command but I'v found in docs that it will have to call the
load command! Why?
--
Alessio Mineni
WaveGroup
Via Benaco 34/b
25081 Bedizzole BS
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