The usage of the Linux basic command nfsstat
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Nfsstat
The nfsstat directive is used to display the activity information of the nfs client and server.
The scope of application of this command: RedHat, RHEL, Ubuntu, CentOS, Fedora.
1. Grammar
Nfsstat [options]
2. Parameter list
Option
Description
-s |-- server
Only server information is displayed, and client information is also displayed by default
-c |-- client
Only client information is displayed
-n |-- nfs
Only nfs information is displayed, and rpc information is also displayed by default
-m |-- mounts
Display the information of the loaded nfs file
-r |-- rpc
Display only rpc information
-l |-- list
Display the nfs information of the list
-s |-- since
Display nfs information from a file
-o
Display custom information: nfs, display nfs protocol information; rpc, display rpc general information; net, display network layer status; fh, display file control cache information; rc, display request response cache information on the server; all, display all information
-v |-- verbose
Equivalent "- o all"
3. Examples
1) display client nfs information
[root@localhost ~] # nfsstat-cn
Client nfs v4:
Null read write commit open open_conf
0 0% 0 0 0%
Open_noat open_dgrd close setattr fsinfo renew
0% 0% 0 0% 0 0% 3% 20 18%
Setclntid confirm lock lockt locku access
1% 1% 1% 0 0 0 7 6%
Getattr lookup lookup_root remove rename link
58 52% 7 6% 1 0 0 0%
Symlink create pathconf statfs readlink readdir
0 0% 0 0 0 2% 0 0 0% 43%
Server_caps delegreturn getacl setacl fs_locations rel_lkowner
5% 0 0 0%
Secinfo exchange_id create_ses destroy_ses sequence get_lease_t
0 0% 0 0 0%
Reclaim_comp layoutget getdevinfo layoutcommit layoutreturn getdevlist
0 0% 0 0 0%
(null)
0 0%
2) display the information of the mounted system
[root@localhost] # nfsstat-m
/ media/test from 192.168.1.8:/wj/
Flags:rw,relatime,vers=4,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,port=0,timeo=600
Retrans=2,sec=sys
Clientaddr=192.168.1.8,minorversion=0,local_lock=none,addr=192.168.1.8
[root@localhost ~] #
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