I made an error in creating the raids. Get the expected behavior now. /j On Jun 17, 2010 13:00 "Jon Tegner" <tegner at renget.se> wrote: > Hi, > > > > I'm only recently started playing with glusterfs. My set up consists > of > two servers (noriko and kumiko), each with twelve 1Tb disk, raided > together in raid10. > > > > > The systems have CentOS-5.5 installed, and I have > installed?glusterfs-3.0.4-1 (client, common and server). > > > > > I have generated the server and client files with: > > > > > glusterfs-volgen --name store1 --transport tcp noriko:/mnt/raid10/ > kumiko:/mnt/raid10 > > > > > I then mounted the filesystem with: > > > > > glusterfs --volfile=/etc/glusterfs/store1-tcp.vol /mnt/glusterfs > > > > > In a naive test of the performance I tried: > > > > > dd if=largeFile of=copyOfLargeFile bs=1024k oflag=sync > > > > > (largeFile is about 450 M) > > > > > I did this first from one client, and then from two clients > simultaneously. I expected the time to be about the same for the two > cases, but in contrast it took about twice the time when doing the > operation simultaneously. I'm probably missing something obvious here, > and would appreciate any help. > > > > > Regards, > > > > > /jon
