Egads, the things people dream up ! :-)
It *just* might work for you providing no one else is using your autochangers,
and providing you do several things:
1. Remove the Changer Device from the AutoChanger resource, and keep the
correct one in each Device record. This is probably not necessary since if I
remember right the Device takes precedence, but it would be better to remove
it.
2. Fiddle your copy of mtx-changer so that by looking at the /dev/sg0/1,
tricks Bacula into thinking it is dealing with a single autochanger, by doing
several things (I may leave out some):
a. It must return 20 for the number of Slots rather than 10
b. It will have to do hand springs to remap all slot numbers greater than
10 to the range 1-10 and vice-versa both incoming and outcoming in a number
of places in the mtx-changer script. This will be a real pain. Bacula needs
to think the slots are numbered 1-20, but each changer must see 1-10.
You could get a lot more through-put by using two different autochangers and
multiple simultaneous jobs. Doing what you want to do would seriously
throttle the overall capability.
On Wednesday 30 November 2005 15:54, Michael Joyner wrote:
> help!
>
> I have two 10 slots autochangers and I am trying to configure them to
> run as a single autochanger.
>
> Does anyone have any pointers?
>
> This is my current config file:
> > Device {
> > Name = VXA-UNIT-0
> > Archive Device = /dev/nst0
> > Media Type = VXA2
> > AutoChanger = yes
> > Changer Device = /dev/sg0
> > Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
> > Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> > AutomaticMount = yes; # when device opened, read it
> > AlwaysOpen = yes;
> > RemovableMedia = yes;
> > RandomAccess = no;
> > Spool Directory = /tmp
> > Maximum Spool Size = 5G
> > Maximum Job Spool Size = 1G
> > Label Media = NO
> > Autoselect = YES
> > }
> >
> > Device {
> > Name = VXA-UNIT-1
> > Archive Device = /dev/nst1
> > Media Type = VXA2
> > AutoChanger = yes
> > Changer Device = /dev/sg2
> > Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
> > Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> > AutomaticMount = yes; # when device opened, read it
> > AlwaysOpen = yes;
> > RemovableMedia = yes;
> > RandomAccess = no;
> > Spool Directory = /tmp
> > Maximum Spool Size = 5G
> > Maximum Job Spool Size = 1G
> > Label Media = NO
> > Autoselect = YES
> > }
> >
> > Autochanger {
> > Name = VXA
> > Device = VXA-UNIT-0
> > Device = VXA-UNIT-1
> > Changer Device = /dev/sg0
> > Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
> > }
>
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--
Best regards,
Kern
(">
/\
V_V
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