On 03/03/2011 10:05 AM, Robinson, Eric wrote: > I am thinking about taking a secondary node offline for maintenance > during production hours. I assume it cannot stay offline forever because > eventually the primary would run out of space to record changes that > need to be sync'd. Is there a way to know in advance how long it is safe > to stay disconnected without resync'ing?
As I understand it, dirty blocks are recorded in memory. I am sure there is an upper limit to the counters, but I would hazard a guess that you would run out of RAM first. That said, I'd love to see some math from a DRBD developer. :) -- Digimer E-Mail: [email protected] AN!Whitepapers: http://alteeve.com Node Assassin: http://nodeassassin.org _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
