Hi,
i'm designing a backup continuous access strategy with bacula and i need a
help.
I have two bacula server with bacula-dir and bacula-sd, i want do the backup
on two tape libraries with 

autochangers and 48 tapes of 800 GB in each tape library; each bacula-sd can
see both the tape libraries.
My requirements are:
a) i need to backup the same jobs in both the tape libraries
b) when the primary bacula server and the primary tape library are down, i
need to execute restore using the other bacula server and the other tape
library
c) if a tape of a tape library is corrupt, i change the corrupted tape with
a new tape and i need to restore the 

original contents of the tape using the tape with the same data contained in
the other tape library 

I have seen that there are two solution to copy jobs between tapes:

1) Using "copy job"
2) Using bcopy and bscan

If I use "copy job", I don't know how reach the requirement b and c(because
i'm not sure that the contents of the tapes are the same)
If I use "bcopy and bscan", i don't know how implent this solution, i can't
copy 48 tape of a tape library to the other tape library each day

Can you suggest me some solutions?
Thanks



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