>One possibility is to try changing rsize and wsize at the client end. Is >the 10G network used for NFS the same network as the one used for the >iSCSI? >I've tried several values of rsize and wsize and it doesn't change anything. >iSCSI and NFS are not on the same VLAN. I'm testing with servers which are on >the same chassis (NFS/GFS servers are on blades and client is a KVM guest with >virtio network card). iSCSI and NFS use separates network in the chassis but >each blade has to share iSCSI (50% to 100% of 10 Gbits/s) and LAN (50% to >100%).
>iperf between server and client : 3.4 Gbits/s (435 Mbytes/s). You could also try using Jumbo Frames on the network. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster