NFSTEST_FCMP(1)

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)