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CentOS 7.0 - man page for nfstest_delegation (centos section 1)

NFSTEST_DELEGATION(1)		     nfstest_delegation 1.0.1		    NFSTEST_DELEGATION(1)

NAME
       nfstest_delegation - Delegation tests

SYNOPSIS
       nfstest_delegation --server <server> [--client <client>] [options]

DESCRIPTION
       Basic delegation tests verify that a correct delegation is granted when opening a file for
       reading or writing. Also, another OPEN should not be sent  for  the  same  file	when  the
       client  is  holding  a delegation. Verify that the stateid of all I/O operations should be
       the delegation stateid.	Reads from a different process on the same file should not  cause
       the  client  to send additional READ packets when the client is holding a read delegation.
       Furthermore, a LOCK packet should not be sent to the server when the client is  holding	a
       delegation.

       Recall  delegation tests verify the delegation is recalled when a conflicting operation is
       sent to the server from a different client. Conflicting operations  are	reading,  writing
       and  changing the permissions on the same file. Note, that reading a file from a different
       client can only recall a read delegation.  Also, verify that a delegation is not  recalled
       when  a different client is granted a read delegation. After a delegation is recalled, the
       client should send an OPEN with CLAIM_DELEGATE_CUR before returning the delegation and the
       stateid	should be the same as the original OPEN stateid. Also, a delegation should not be
       granted when re-opening the file right before  returning  the  delegation.  Verify  client
       flushes all written data before returning the WRITE delegation. The LOCK should be sent as
       well right before returning a delegation which has been recalled. A delegation should  not
       be granted on the second client who cause the delegation recall on the first client.

OPTIONS
       --version
	      show program's version number and exit

       -h, --help
	      show this help message and exit

       -f FILE, --file=FILE
	      Options file

       -s SERVER, --server=SERVER
	      Server name or IP address

       -p PORT, --port=PORT
	      NFS server port [default: 2049]

       --nfsversion=NFSVERSION
	      NFS version [default: 4]

       --minorversion=MINORVERSION
	      Minor version [default: 1]

       -e EXPORT, --export=EXPORT
	      Exported file system to mount [default: '/']

       -m MTPOINT, --mtpoint=MTPOINT
	      Mount point [default: '/mnt/t']

       --datadir=DATADIR
	      Data directory where files are created [default: '']

       -o MTOPTS, --mtopts=MTOPTS
	      Mount options [default: 'hard,rsize=4096,wsize=4096']

       -i INTERFACE, --interface=INTERFACE
	      Device interface [default: 'eth0']

       -v VERBOSE, --verbose=VERBOSE
	      Verbose level [default: 'none']

       --nocleanup
	      Do not cleanup

       --rmtraces
	      Remove trace files [default: remove trace files if no errors]

       --keeptraces
	      Do not remove any trace files [default: remove trace files if no errors]

       --createlog
	      Create log file

       --bugmsgs=BUGMSGS
	      File containing test messages to mark as bugs if they failed

       --ignore
	      Ignore all bugs given by bugmsgs

       --nomount
	      Do not mount server

       --basename=BASENAME
	      Base name for all files and logs [default: automatically generated]

       --tverbose=TVERBOSE
	      Verbose level for test messages [default: '1']

       --filesize=FILESIZE
	      File size to use for test files [default: 65536]

       --nfiles=NFILES
	      Number of files to create [default: 2]

       --rsize=RSIZE
	      Read size to use when reading files [default: 4096]

       --wsize=WSIZE
	      Write size to use when writing files [default: 4096]

       --iodelay=IODELAY
	      Seconds to delay I/O operations [default: 0.1]

       --offset-delta=OFFSET_DELTA
	      Read/Write offset delta [default: 4096]

       --warnings
	      Display warnings

       --nfsdebug=NFSDEBUG
	      Set NFS kernel debug flags and save log messages [default: '']

       --rpcdebug=RPCDEBUG
	      Set RPC kernel debug flags and save log messages [default: '']

       --sudo=SUDO
	      Full path of binary for sudo [default: '/usr/bin/sudo']

       --tcpdump=TCPDUMP
	      Full path of binary for tcpdump [default: '/usr/sbin/tcpdump']

       --iptables=IPTABLES
	      Full path of binary for iptables [default: '/sbin/iptables']

       --messages=MESSAGES
	      Full path of log messages file [default: '/var/log/messages']

       --tmpdir=TMPDIR
	      Temporary directory [default: '/tmp']

       --runtest=RUNTEST
	      Comma separated list of tests to run [default: 'all']

       --client=CLIENT
	      Remote NFS client that mounts server used for multiple client tests

       --lock-offset=LOCK_OFFSET
	      Starting offset for lock [default: 0]

       --lock-len=LOCK_LEN
	      Number of bytes to lock [default: 0]

TESTS
   read
       Basic read delegation test

   write
       Basic write delegation test

   read_lock
       Basic read delegation test with file lock

   write_lock
       Basic write delegation test with file lock

   read_recall_write
       Recall read delegation by writing from a second client

   write_recall_write
       Recall write delegation by writing from a second client

   read_recall_write_lock
       Recall read delegation by writing from a second client with file lock

   write_recall_write_lock
       Recall write delegation by writing from a second client with file lock

   write_recall_read
       Recall write delegation by reading from a second client

   write_recall_read_lock
       Recall write delegation by reading from a second client with file lock

   read_recall_setattr
       Recall read delegation by changing the permissions to the file

   write_recall_setattr
       Recall write delegation by changing the permissions to the file

   read_recall_setattr_lock
       Recall read delegation by changing the permissions to the file with file lock

   write_recall_setattr_lock
       Recall write delegation by changing the permissions to the file with file lock

EXAMPLES
       The  only required option is --server but only the basic delegation tests will be run. Use
       the --client option to run the recall tests as well
       $ nfstest_delegation --server 192.168.0.11 --client 192.168.0.20

NOTES
       The user id in the local host and the host specified by --client must have access  to  run
       commands as root using the 'sudo' command without the need for a password.

       The user id must be able to 'ssh' to remote host without the need for a password.

SEE ALSO
       nfstest.test_util(1), nfstest_cache(1), nfstest_dio(1), nfstest_pnfs(1), nfstest_posix(1)

BUGS
       No known bugs.

AUTHOR
       Jorge Mora (mora@netapp.com)

NFStest 1.0.2				  10 April 2013 		    NFSTEST_DELEGATION(1)


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