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I've just had the same problem in 2016, using CentOS 6.5 on my workstation, and CentOS 7 on the client (a Vagrant box on the same host). My specific problem was the same as the OP's, I couldn't find any nfsd logging. Use rpcdebug to Enable NFS Logging The answer for me, for anyone else coming to this question in the future, was to use the command (as ...


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The AFS cache coherency model adopted by OpenAFS and AuriStorFS is a bit different than you describe in the question. Each object stored under /afs has both Data: the file stream, directory contents, mount point target, or symlink target. Metadata: size, creator, owner, group, unix mode, link count, timestamps, parent id, lock state, access control list, ...


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1) SANs are all about blocks so these are iSCSI, Fibre Channel, and FCoE. But you can hardly find "true" or "pure" SANs these days maybe only Nimble and Equallogic who can't do also NAS protocols like NFS and SMB in addition to block ones. These are called "multiprotocol" storage appliances. http://www.netapp.com/us/media/tr-3490.pdf (Multiprotocol NetApp ...


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The client support exists since linux kernel 2.6.39, but part of it was backported to RHEL6 servers as well. IOW, any modern client will support pnfs as soon as server will advertise it. The main requirement to use NFSv4.1/pNFS is capable server. Known server: Linux 4.0, block layout NetApp 8.1, file layout dCache, file layout Ganesha NFS, file layout (and ...


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You specifying the wrong module. As you want to configure nfs server, then you have to provide the option for nfsd module: echo "options nfsd nfs4_disable_idmapping=1" > /etc/modprobe.d/nfsd.conf NOTICE: option nfsd



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