Hi We use gluster samba vfs test io,but the read performance via vfs is half of write perfomance, but via fuse the read and write performance is almost the same. this is our smb.conf: [global] workgroup = MYGROUP server string = DCS Samba Server log file = /var/log/samba/log.vfs max log size = 500000 # use sendfile = true aio read size = 262144 aio write size = 262144 aio write behind = true min receivefile size = 262144 write cache size = 268435456 security = user passdb backend = tdbsam load printers = yes cups options = raw read raw = yes write raw = yes max xmit = 262144 socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=262144 SO_SNDBUF=262144 kernel oplocks = no stat cache = no any advises helpful? thanks kane ---------------------------------------------------------------- Email: kai.zhou at soulinfo.com ??: 0510-85385788-616 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20130913/30ac1a5d/attachment.html>