nfstest_delegation - Man Page

Delegation tests

Synopsis

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

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: 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']
-o MTOPTS, --mtopts=MTOPTS: Mount options [default: 'hard,rsize=4096,wsize=4096']
--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: 'none']
--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

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: 0.0]
--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: 2]
--filesize=FILESIZE: File size to use for test files [default: 64k]
--rsize=RSIZE: Read size to use when reading files [default: 4k]
--wsize=WSIZE: Write size to use when writing files [default: 4k]
--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']
--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']
--tmpdir=TMPDIR: Temporary directory [default: '/tmp']

Debug options

--nocleanup: Do not cleanup created files
--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 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: '']
--pktdisp: Display main packets related to the given test

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']
--client=CLIENT: Remote NFS client used for recall tests
--lock-offset=LOCK_OFFSET: Starting offset for lock [default: 0]
--lock-len=LOCK_LEN: Number of bytes to lock [default: 0]
--truncate: Truncate file when writing from the second file for the recall tests

Tests

basic

Run all basic delegation tests: basic01, basic02, basic03, basic04,
basic05, basic06

basic01

Basic read delegation test

basic02

Basic write delegation test

basic03

Basic read delegation test with file stat

basic04

Basic write delegation test with file stat

basic05

Basic read delegation test with file lock

basic06

Basic write delegation test with file lock

recall

Run all recall delegation tests: recall01, recall02, recall03, recall04,
recall05, recall06, recall07, recall08, recall09, recall10

recall01

Recall read delegation by writing from a second client

recall02

Recall write delegation by writing from a second client

recall03

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

recall04

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

recall05

Recall write delegation by reading from a second client

recall06

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

recall07

Recall read delegation by changing the permissions to the file

recall08

Recall write delegation by changing the permissions to the file

recall09

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

recall10

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