Hi, I'm using CentOS 5.4 with OFED-1.5-rc3 and Mellanox ConnectX cards. I follow the steps of nfs-rdma.release-notes.txt and can use NFS over RDMA successfully in the first time. However, after umount the file system and restart the NFS server, it shows the following error:
# /etc/init.d/nfs stop Shutting down NFS mountd: [ OK ] Shutting down NFS daemon: [ OK ] Shutting down NFS quotas: [ OK ] Shutting down NFS services: # cat /proc/fs/nfsd/portlist rdma 20049 tcp 2049 udp 2049 # lsmod |grep rdma svcrdma 69184 1 sunrpc 245544 14 svcrdma,nfsd,nfs,nfs_acl,auth_rpcgss,lockd rdma_ucm 47872 0 rdma_cm 69140 3 svcrdma,rdma_ucm,ib_sdp iw_cm 43656 1 rdma_cm ib_addr 43016 1 rdma_cm ib_cm 73000 2 rdma_cm,ib_ipoib ib_sa 75144 3 rdma_cm,ib_ipoib,ib_cm ib_uverbs 75696 1 rdma_ucm ib_core 109312 15 svcrdma,rdma_ucm,ib_sdp,rdma_cm,iw_cm,ib_ipoib,ib_cm,ib_sa,ib_uverbs,ib_umad,iw_nes,iw_cxgb3,mlx4_ib,ib_mthca,ib_mad # /etc/init.d/nfs start Starting NFS services: [ OK ] Starting NFS quotas: [ OK ] Starting NFS daemon: [FAILED] In /var/log/messages, it shows: Dec 2 17:34:30 mgmt nfsd[5106]: nfssvc: Setting version failed: errno 16 (Device or resource busy) Dec 2 17:34:30 mgmt nfsd[5106]: nfssvc: unable to bind UPD socket: errno 98 (Address already in use) And in the client side, I can no longer mount the server again. Is there a correct ways to restart the NFS server after configuring NFSoRDMA? Thanks in advance. PN
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