Provided by: nfstest_3.2-2_all 
NAME
nfstest_fcmp - NFS file compare
SYNOPSIS
nfstest_fcmp --server <server> [options]
DESCRIPTION
Create a file using one set of NFS mount options and then verify the data is correct by reading the file
using another set of NFS mount options.
OPTIONS
--version
show program's version number and exit
-h, --help
show this help message and exit
-f FILE, --file=FILE
File where options are specified besides the system wide file /etc/nfstest, user wide file
$HOME/.nfstest or in the current directory .nfstest file
NFS specific options:
-s SERVER, --server=SERVER
Server name or IP address
-e EXPORT, --export=EXPORT
Exported file system to mount [default: '/']
--nfsversion=NFSVERSION
NFS version, e.g., 3, 4, 4.1, etc. [default: 4.1]
-m MTPOINT, --mtpoint=MTPOINT
Mount point [default: '/mnt/t']
-p PORT, --port=PORT
NFS server port [default: 2049]
--proto=PROTO
NFS protocol name [default: 'tcp']
--sec=SEC
Security flavor [default: 'sys']
--nconnect=NCONNECT
Multiple TCP connections option [default: '1']
-o MTOPTS, --mtopts=MTOPTS
Mount options [default: 'hard']
--datadir=DATADIR
Data directory where files are created, directory is created on the mount point [default: '']
Logging options:
-v VERBOSE, --verbose=VERBOSE
Verbose level for debug messages [default: 'opts|info|dbg1|dbg2|dbg3']
--tverbose=TVERBOSE
Verbose level for test messages [default: '1']
--createlog
Create log file
--rexeclog
Create rexec log files
--warnings
Display warnings
--tag=TAG
Informational tag, it is displayed as an INFO message [default: '']
--notty
Do not use terminal colors on output
--isatty
Use terminal colors on output -- useful when running with nohup
Packet trace options:
--createtraces
Create a packet trace for each test
--tbsize=TBSIZE
Capture buffer size for tcpdump [default: 192k]
--trcdelay=TRCDELAY
Seconds to delay before stopping packet trace [default: 2.0]
--keeptraces
Do not remove any trace files [default: remove trace files if no errors]
--rmtraces
Remove trace files [default: remove trace files if no errors]
-i INTERFACE, --interface=INTERFACE
Device interface [default: automatically selected]
File options:
--nfiles=NFILES
Number of files to create [default: 0]
--filesize=FILESIZE
File size to use for test files [default: 1m]
--rsize=RSIZE
Read size to use when reading files [default: 64k]
--wsize=WSIZE
Write size to use when writing files [default: 64k]
--iodelay=IODELAY
Seconds to delay I/O operations [default: 0.1]
--offset-delta=OFFSET_DELTA
Read/Write offset delta [default: 4k]
Path options:
--sudo=SUDO
Full path of binary for sudo [default: '/usr/bin/sudo']
--kill=KILL
Full path of binary for kill [default: '/usr/bin/kill']
--nfsstat=NFSSTAT
Full path of binary for nfsstat [default: '/usr/sbin/nfsstat']
--tcpdump=TCPDUMP
Full path of binary for tcpdump [default: '/usr/sbin/tcpdump']
--iptables=IPTABLES
Full path of binary for iptables [default: '/usr/sbin/iptables']
--messages=MESSAGES
Full path of log messages file [default: '/var/log/messages']
--trcevents=TRCEVENTS
Full path of tracing events directory [default: '/sys/kernel/debug/tracing/events']
--trcpipe=TRCPIPE
Full path of trace pipe file [default: '/sys/kernel/debug/tracing/trace_pipe']
--tmpdir=TMPDIR
Temporary directory [default: '/tmp']
Debug options:
--nocleanup
Do not cleanup created files
--notimestamps
Do not display timestamps in debug messages
--bugmsgs=BUGMSGS
File containing test messages to mark as bugs if they failed
--nomount
Do not mount server and run the tests on local disk space
--basename=BASENAME
Base name for all files and logs [default: automatically generated]
--nfsdebug=NFSDEBUG
Set NFS kernel debug flags and save log messages [default: '']
--rpcdebug=RPCDEBUG
Set RPC kernel debug flags and save log messages [default: '']
--tracepoints=TRACEPOINTS
List of trace points modules to enable [default: '']
--nfsstats
Get NFS stats [default: 'False']
--pktdisp
Display main packets related to the given test
--nfserrors
Fail every NFS error found in the packet trace
--client-ipaddr=CLIENT_IPADDR
IP address of localhost
Reporting options:
--xunit-report
Generate xUnit compatible test report
--xunit-report-file=XUNIT_REPORT_FILE
Path to xout report file
Test options:
--runtest=RUNTEST
Comma separated list of tests to run, if list starts with a '^' then all tests are run except the
ones listed [default: 'all']
--nfsopts=NFSOPTS
NFS options used for comparing test file. NFS mount definition is a list of arguments separated by
a ':' given in the following order if positional arguments are used (see examples):
::export:nfsversion:port:proto:sec
--cmpopts=CMPOPTS
NFS mount options used for comparing test file other than the ones specified in --nfsopts
[default: 'hard']
TESTS
test01
Verify data read from file is correct
test02
Verify data written to file is correct
all
Run all tests: test01, test02
EXAMPLES
Use positional arguments with nfsversion=3 for second mount:
nfstest_fcmp -s 192.168.0.2 -e /exports --nfsopts :::3
Use named arguments instead:
nfstest_fcmp -s 192.168.0.2 -e /exports --nfsopts nfsversion=3
NOTES
The user id in the local host must have access to run commands as root using the 'sudo' command without
the need for a password.
SEE ALSO
nfstest.test_util(3), nfstest_alloc(1), nfstest_cache(1), nfstest_delegation(1), nfstest_dio(1),
nfstest_file(1), nfstest_interop(1), nfstest_io(1), nfstest_lock(1), nfstest_pkt(1), nfstest_pnfs(1),
nfstest_posix(1), nfstest_rdma(1), nfstest_sparse(1), nfstest_ssc(1), nfstest_xattr(1), nfstest_xid(1)
BUGS
No known bugs.
AUTHOR
Jorge Mora (mora@netapp.com)
NFStest 3.2 21 March 2023 NFSTEST_FCMP(1)