NFS: Difference between revisions
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=Docs= | =Docs= | ||
==fsid=0== | |||
==fsid== | |||
===fsid=0=== | |||
In nfs4 this is makes this export the root relative to which all others | In nfs4 this is makes this export the root relative to which all others | ||
"base point under which all directories the server is exporting to a certain client are located" | "base point under which all directories the server is exporting to a certain client are located" | ||
==nfs4.2== | ==nfs4.2== | ||
=HOWTO= | |||
==On server== | |||
=== show mounted exports in /proc === | |||
Not all are currently active, exportfs seems to update this | |||
cat /proc/fs/nfs/exports | |||
=== show clients === | |||
Not all are currently active | |||
cat /var/lib/nfs/rmtab | |||
=== list connected clients === | |||
IP=`ip route get 1 | awk '{print $NF;exit}'` | |||
netstat -an | grep $IP | grep 2049 | awk '{ print $5 }'| sed 's/:.*//g' | |||
= FAQ = | |||
==Client== | |||
===mount.nfs: portmap query failed: RPC: Remote system error - No route to host=== | |||
Could be firewall, | |||
firewall-cmd --permanent --add-service=nfs | |||
firewall-cmd --permanent --add-service=mountd | |||
firewall-cmd --permanent --add-service=rpc-bind | |||
firewall-cmd --reload | |||
== SUNRPC: reached max allowed number (1) did not add transport to server == | |||
You might be using 2 interfaces connecting to same server | |||
== mount -t nfs taking very long == | == mount -t nfs taking very long == | ||
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== Failed: stale file handle == | == Failed: stale file handle == | ||
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== versions supported by server == | == versions supported by server == | ||
Latest revision as of 17:08, 9 January 2023
Network File System
Links
Docs
fsid
fsid=0
In nfs4 this is makes this export the root relative to which all others "base point under which all directories the server is exporting to a certain client are located"
nfs4.2
HOWTO
On server
show mounted exports in /proc
Not all are currently active, exportfs seems to update this
cat /proc/fs/nfs/exports
show clients
Not all are currently active
cat /var/lib/nfs/rmtab
list connected clients
IP=`ip route get 1 | awk '{print $NF;exit}'`
netstat -an | grep $IP | grep 2049 | awk '{ print $5 }'| sed 's/:.*//g'
FAQ
Client
mount.nfs: portmap query failed: RPC: Remote system error - No route to host
Could be firewall,
firewall-cmd --permanent --add-service=nfs firewall-cmd --permanent --add-service=mountd firewall-cmd --permanent --add-service=rpc-bind firewall-cmd --reload
SUNRPC: reached max allowed number (1) did not add transport to server
You might be using 2 interfaces connecting to same server
mount -t nfs taking very long
mount.nfs: No route to host
firewall, really
Failed: stale file handle
umount -fl
versions supported by server
cat /proc/fs/nfsd/versions
nfs: server 1.2.3.4 not responding, timed out
??
mount.nfs: access denied by server while mounting
Could be wrong path in exports, maybe nfs3 vs nfs4.2 confusion?
