Hello All,

>> 5. Currently the OS and Backup disks are on the same DRBD volume, so
>> would it be better to put the OS disk out of the DRBD volume? (the VM
>> has frequently crashing what makes me think that excessive writing on
>> the disk may be impacting the OS)
> 
> I would put everything out of drbd volume because quite frankly I don't
> see the point. I don't think you can fail over in a middle of a backup,
> and without that, why not just put OS on NFS? -- or ZFS and send
> incremental snapshot as part of your manual failover. Using drbd for
> backup storage is just a waste of disk.

Speaking of Bacula HA, I've been deploying a scenario with relative success.
Primary Director & SD have copy jobs routines to a Secondary Remote SD that 
also has an independent working Director. Both director can access the 
Secondary SD.
An Admin Job with a Shell Script daily bscans all volumes in to the Secondary 
Director and its catalog.
All bscanned volumes comes with the Archived status, so they are basically 
Read-Only. 
Advantage: you can restore jobs from both environments, any time. => 
http://bacula.us/bacula-server-and-backups-replication-for-high-availability/
Perhaps, a "bscan all" bconsole command would be a nice feature to sync all 
disk based volumes to catalog and improve the proccess a little bit more.

Regards,
-- 
MSc Heitor Faria 
CEO Bacula LATAM 
mobile1: + 1 909 655-8971 
mobile2: + 55 61 98268-4220 
[ https://www.linkedin.com/in/msc-heitor-faria-5ba51b3 ] 
        [ http://www.bacula.com.br/ ] 

América Latina 
[ http://bacula.lat/ | bacula.lat ] | [ http://www.bacula.com.br/ | 
bacula.com.br ]


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