On 07/03/17 12:44, Amadeus W.M. wrote: > Yes, I know it should work, but I need a fix for my problem. Oh, I'm sorry. When you said "I mean, really, nfs not working on a major distribution?" I thought you were thinking it isn't working at all for anyone. > I wonder if in my case it's some stale configuration from previous Fedora versions, > because I've been doing upgrades (as opposed to new installs) for a long time. I > imagine you installed F25 anew on the VM, right? It is possible you may have an old configuration parameter or such that is causing the hang. But you've not posted any of the configuration information. In the past it has been practice to either ignore depreciated parameters or toss out an error message that a parameter is invalid. It hasn't been the practice to hang on invalid parameters. Yes, I had to configure a new NFS service since getting a NAS box I've not had the need to configure NFS on Fedora. If I hadn't tossed my very old, heavy, slow, server that had NFS configured on previous versions I would have upgraded it and tried that there. Now, that being said..... You indicated that you had NFS working prior to upgrading to F25 but you'd not mentioned the previous version of fedora You may consider installing a previous version in a VM (since you mentioned VMs) getting it to work with a similar configuration, taking a snapshot, and then upgrading it to see if you can reproduce the problem. If you aren't adverse to showing your configuration files you can do that as well. > How do I even tell which version NFS I'm running? Not sure what you mean by "version". But the process rpc.nfsd is the NFS server process and comes with nfs-utils-2.1.1-5.rc4 on F25. When this is started by the nfs-server.service the parameters for that service are supplied by $RPCNFSDARGS which is sourced from /etc/sysconfig/nfs (as you've pointed out) which is initially RPCNFSDARGS="" meaning the defaults are used. I believe, by default only V3 and V4 via TCP are supported. In any event, not allowing UDP support is the default and enabling it or disabling it shouldn't cause a hang. Just for completeness.... Prior to starting nfs-server there are no nfs running and only rpciod (which I have no idea as to its purpose) After starting.... [egreshko@f25f ~]$ ps aux | grep nfs root 2123 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2124 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2125 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2126 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2127 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2128 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2129 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] root 2130 0.0 0.0 0 0 ? S 13:35 0:00 [nfsd] and [egreshko@f25f ~]$ ps aux | grep rpc root 560 0.0 0.0 0 0 ? S< 13:29 0:00 [rpciod] rpc 2102 0.0 0.3 57312 4116 ? Ss 13:35 0:00 /usr/bin/rpcbind -w -f rpcuser 2103 0.0 0.2 42524 3424 ? Ss 13:35 0:00 /usr/sbin/rpc.statd root 2104 0.0 0.0 19368 188 ? Ss 13:35 0:00 /usr/sbin/rpc.idmapd root 2115 0.0 0.0 42704 628 ? Ss 13:35 0:00 /usr/sbin/rpc.mountd Also, running nmap from another system shows the following open on the system running nfs-server PORT STATE SERVICE VERSION 21/tcp open ftp vsftpd 3.0.3 | ftp-anon: Anonymous FTP login allowed (FTP code 230) |_drwxr-xr-x 1 0 0 0 Dec 01 2016 pub 22/tcp open ssh OpenSSH 7.4 (protocol 2.0) | ssh-hostkey: | 2048 83:6c:cf:2c:d3:13:61:c7:56:0c:18:36:95:ff:4b:be (RSA) |_ 256 53:76:a8:e1:3f:d1:65:8b:ea:6d:e4:d5:6f:58:7c:5a (ECDSA) 139/tcp closed netbios-ssn 445/tcp closed microsoft-ds 2049/tcp open nfs 3-4 (RPC #100003) 3389/tcp open ms-wbt-server Microsoft Terminal Service 5900/tcp closed vnc 5901/tcp open vnc VNC (protocol 3.8) | vnc-info: | Protocol version: 3.8 | Security types: | VeNCrypt (19) | VNC Authentication (2) | VeNCrypt auth subtypes: | VNC auth, Anonymous TLS (258) |_ Unknown security type (2) 5902/tcp closed vnc-2 5903/tcp closed vnc-3 If I am not mistaken, "2049/tcp open nfs 3-4" is indicating versions 3 and 4 are available as I've noted. Anyway, without knowing more about your configuration I can't explain why it would hang. But, hopefully you can check when the hang happens and see what processes aren't being started. -- Fedora Users List - The place to go to speculate endlessly
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