I just made the experiment. The answer is no. Distributed-Replicate mode won't split images for application. Application has to split the huge file manually. On May 3, 2011, at 4:48 PM, Yueyu Lin wrote: > Hi, all > I have a question about the capacity problem in GlusterFS cluster system. > Supposedly, we have a cluster configuration like this: > > Type: Distributed-Replicate > Number of Bricks: 2 x 1 = 2 > Brick1: 192.168.1.150:/home/export > Brick2: 192.168.1.151:/home/export > > If there are only 15 Giga bytes available in these two servers, and I need to copy a file of 20GB to the the mounted directory. Obviously the space is not enough. > Then I add two bricks of 15GB to the cluster. The structure became to: > > Type: Distributed-Replicate > Number of Bricks: 2 x 2 = 4 > Bricks: > Brick1: 192.168.1.152:/home/export/dfsStore > Brick2: 192.168.1.153:/home/export/dfsStore > Brick3: 192.168.1.150:/home/export/dfsStore > Brick4: 192.168.1.151:/home/export/dfsStore > > Now I will copy the file again to the mounted directory. In client, it shows it has more than 20GB space available. But what will happen when I copy the huge file to it since every single brick doesn't have enough space to hold it. > > Thanks a lot. > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
