Hello Radoslaw, I meditated a lot about this topic, and just to keep it short I will resume my conclusions:
1. HA means single points of failure elimination, reliable crossover and failure detection. I don't see how having two replicated always on Directors (perhaps with the same Director Name); replicated job and client configurations; replicated backup data and metadata; secondary Director de/activation mechanisms; redundant storage possibility; cannot be considered a High Availability Solution. I will undergo a laboratory on that. 2. Backup data replication RPO is a detail that can be improved and usually determined by own Bacula current limitations. 3. Every big data center application usually has their native cluster mechanism, so DRBD+whatever cannot be the considered the silver bullet. In fact, IMHO, it is a overkill to use your proposal to replicate the Director service, and adds a lot of complexity. 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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