Shayn - Gluster's replication is implemented as "copy on write". That means that your client writes to both copies of the file at the same time. All file operations, including adding and removing locks are done synchronously. There is no possibility of replication partners getting "out of sync". Thanks, Craig -- Craig Carl Sales Engineer; Gluster, Inc. Cell - ( 408) 829-9953 (California, USA) Office - ( 408) 770-1884 Gtalk - craig.carl at gmail.com Twitter - @gluster Installing Gluster Storage Platform, the movie! From: shayn at shayn.ch To: gluster-users at gluster.org Sent: Monday, May 31, 2010 11:35:00 PM Subject: Concurrency Access ? Hello ! I've some question about this problem.. Situation : I've two site with each time glustefs server installed (And replication between both server) But, Two site are active with read and write operation.. What happens when both site write in the same time the same data.. ? There's no lock to say "" HEY i'm writing, don't touch this file"" no ? So.. Data may be corrupt ? Or i'm crazy and just don't understand.. : ) please need some help : ) _______________________________________________ Gluster-users mailing list Gluster-users at gluster.org http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
