Hi guys, >> >> 1. While learning GlusterFS, I'was wondering if it's possible to add >> server volumes to increase space capacity of my cluster "on the FLY"? >> I mean, a hot upgrade. > > I'd *think* could could add bricks to an existing unify volume. I'm not > sure if you'd have to remount the clients or not. you'd have to restart the > server--I'm not sure of a sighup will do the job or not. Someone more > qualified will answer I'm sure, but I'd think just adding bricks will add > space. I'll try to see by myself. > >> 2. Second, when using "files replicating strategy" (scheduler), is it >> possible to remove a server node without stopping the hole cluster >> (ex. hardware maintaining reasons, add more disk/ram to the node ...)? > > if you have multiple servers AFR'ed, if one server is down, the rest will > continue after the timeout period. when that servers back on line it will > coninue AFRing to it. > Remember, AFR does healing when files are accessed, so the server that's > offline may be out of sync until any updated files are accessed again. Hmmm. Could it be possible to force it to synchronize itself when it's back? Thanks F.