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The following procedure describes how to install the multipath driver package on an Ubuntu system:
Compare the package version and the kernel version to ensure they are an exact match. If they are not an exact match, do not install the package. Instead, build the driver from source according to the instructions in the “Building and Installing the Driver’ section later in this document.
# sudo apt-get install ./dist/dellnfs-modules_*-generic_amd64.deb
# dpkg -l | grep dellnfs-modules
Example:
ii dellnfs-modules 2:4.0.22-dell.kver.5.4.0-150-generic amd64 NFS RDMA kernel modules
# dpkg -S /lib/modules/`uname -r`/updates/bundle/net/sunrpc/xprtrdma/rpcrdma.ko
Example:
dellnfs-modules: /lib/modules/5.4.0-150-generic/updates/bundle/net/sunrpc/xprtrdma/rpcrdma.ko
# sudo update-initramfs -u -k `uname -r`
# reboot
# dellnfs-ctl status
version: 4.0.22-dell
kernel modules: sunrpc rpcrdma compat_nfs_ssc lockd nfs_acl nfs nfsv3
services: rpcbind.socket rpcbind rpc-gssdrpc_pipefs: /run/rpc_pipefs
If the services are not up, run the ‘dellnfs-ctl reload’ command to start the services.
Attempt a mount, since NFS occasionally needs to create a symlink to rpc.statd. For example:
# mount -t nfs -o proto=rdma,port=20049,rsize=1048576,wsize=1048576,vers=3,nconnect=32,remoteports=10.231.180.95-10.231.180.98,remoteports_offset=1 10.231.180.95:/ifs/data/fio /mnt/test/
Created symlink /run/systemd/system/remote-fs.target.wants/rpc-statd.service → /lib/systemd/system/rpc-statd.service.
In the above, a symlink created on the first mount. Perform a reload to confirm the service is running correctly. For example:
# dellnfs-ctl reload
dellnfs-ctl: stopping service rpcbind.socket
dellnfs-ctl: umounting fs /run/rpc_pipefs
dellnfs-ctl: unloading kmod nfsv3
dellnfs-ctl: unloading kmod nfs
dellnfs-ctl: unloading kmod nfs_acl
dellnfs-ctl: unloading kmod lockd
dellnfs-ctl: unloading kmod compat_nfs_ssc
dellnfs-ctl: unloading kmod rpcrdma
dellnfs-ctl: unloading kmod sunrpc
dellnfs-ctl: loading kmod sunrpc
dellnfs-ctl: loading kmod rpcrdma
dellnfs-ctl: loading kmod compat_nfs_ssc
dellnfs-ctl: loading kmod lockd
dellnfs-ctl: loading kmod nfs_acl
dellnfs-ctl: loading kmod nfs
dellnfs-ctl: loading kmod nfsv3
dellnfs-ctl: mounting fs /run/rpc_pipefs
dellnfs-ctl: starting service rpcbind.socket
dellnfs-ctl: starting service rpcbind