nfstest_io – I/O tool Synopsisnfstest_io -d <datadir> [options] DescriptionThis I/O tool is used to create and manipulate files of different types. The arguments allow running for a specified period of time as well as running multiple processes. Each process modifies a single file at a time and the file name space is different for each…
nfstest_interop – NFS interoperability tests Synopsisnfstest_interop –server <server> [options] DescriptionBasic interoperability tests verify that a file written with different versions of NFS is written correctly. The contents of the file are verified by reading the file back using one of the NFS versions. The tests append different data from different versions of NFS one at…
nfstest_file – Find all packets for a specific file Synopsisnfstest_file [options] -p <filepath> <trace1.cap> [<trace2.cap> …] DescriptionDisplay all NFS packets for the specified path. It takes a relative path, where it searches for each of the directory entries given in the path until it gets the file handle for the directory where the file is…
nfstest_dio – Direct I/O tests Synopsisnfstest_dio –server <server> [options] DescriptionFunctional direct I/O tests verify that every READ/WRITE is sent to the server instead of the client caching the requests. Client bypasses read ahead by sending the READ with only the requested bytes. Verify the client correctly handles eof marker when reading the whole file. Verify…
nfstest_delegation – Delegation tests Synopsisnfstest_delegation –server <server> [–client <client>] [options] DescriptionBasic 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…
nfstest_cache – NFS client side caching tests Synopsisnfstest_cache –server <server> –client <client> [options] DescriptionVerify consistency of attribute caching by varying acregmin, acregmax, acdirmin, acdirmax and actimo. Verify consistency of data caching by varying acregmin, acregmax, acdirmin, acdirmax and actimo. Valid for any version of NFS. Options–version show program’s version number and exit -h, –help show…
nfstest_alloc – Space reservation tests Synopsisnfstest_alloc –server <server> [options] DescriptionVerify correct functionality of space reservations so applications are able to reserve or unreserve space for a file. The system call fallocate is used to manipulate the allocated disk space for a file, either to preallocate or deallocate it. For filesystems which support the fallocate system…
NFStest – NFS Test Suite DescriptionProvides a set of tools for testing either the NFS client or the NFS server, included tests focused mainly on testing the client. These tools include the following:.SS Test utilities package (nfstest) Provides a set of tools for testing either the NFS client or the NFS server, most of the…
nfsometer – NFS performance measurement tool Synopsisnfsometer [options] [mode] [[<server:path>] [workloads…]] Descriptionnfsometer is a performance measurement framework for running workloads and reporting results across NFS protocol versions, NFS options and Linux NFS client implementations ModesBasic usage (no mode specified): nfsometer <server:path> [workloads…] This will fetch needed files, run traces, and generate reports, same as running the the ‘fetch’, ‘trace’ and ‘report’ stages….
nfsiostat – Report input/output statistics for network filesystems (NFS). Synopsisnfsiostat [ -h ] [ -k | -m ] [ -t ] [ -V ] [ interval [ count ] ] DescriptionThe nfsiostat command displays statistics about read and write operations on NFS filesystems. The interval parameter specifies the amount of time in seconds between each…
nfsiostat-sysstat (the nfsiostat command from the sysstat package) – Report input/output statistics for network filesystems (NFS). Synopsisnfsiostat-sysstat [ -h ] [ -k | -m ] [ -t ] [ -V ] [ interval [ count ] ] DescriptionThe nfsiostat-sysstat command displays statistics about read and write operations on NFS filesystems. The interval parameter specifies the…
nfs4_setfacl, nfs4_editfacl – manipulate NFSv4 file/directory access control lists Synopsisnfs4_setfacl [OPTIONS] COMMAND file… nfs4_editfacl [OPTIONS] file… Descriptionnfs4_setfacl manipulates the NFSv4 Access Control List (ACL) of one or more files (or directories), provided they are on a mounted NFSv4 filesystem which supports ACLs. nfs4_editfacl is equivalent to nfs4_setfacl -e. Refer to the nfs4_acl(5) manpage for information…
nfs4_getfacl – get NFSv4 file/directory access control lists Synopsisnfs4_getfacl [-H] file Descriptionnfs4_getfacl will display the NFSv4 Access Control List (ACL) for file (a file or directory), provided file is on a mounted NFSv4 filesystem which supports ACLs. If the -H/–more-help flag is specified, nfs4_getfacl will print some information about NFSv4 ACLs and the fields used…
nfreplay – netflow replay program Synopsis nfreplay [options] [filter]Descriptionnfreplay is the netflow replay program of the nfdump tool set. It reads data from files stored by nfcapd and sents the netflow data to a host or a multicat group. The filter syntax is equivalent to nfdump. If a filter is supplied, only the matching flows…
nfprofile – netflow profiler Synopsis nfprofile [options] Descriptionnfprofile is the netflow profiler program for NfSen. It reads the netflow data from the files stored by nfcapd and creates the corresponding output files for every channel required. This program is run only by NfSen. OptionsReturn ValueNotesnone. See Alsonfcapd(1), nfdump(1), nfreplay(1) Bugs
NFORenum – A tool for checking NFO code for errors, and for beautifying that code Synopsisnforenum [options] [file [file2 [file3 […]]]] Options–auto-correct | -a Perform some rudimentary automatic correction of incorrect pseudo sprites. This may be specified twice to enable the corrections that are more likely to be incorrect. See the README for detailed information…
nfexpire – data expiry program Synopsis nfexpire [options]Descriptionnfexpire is used to manage the expiration of old netflow data files, created by nfcapd(1) or other data collectors such as sfcapd(1). Data expiration is done either by nfcapd(1) in auto expiry mode, or by nfexpire which can by run at any time or any desired time interval…
nfdump – netflow display and analyze program Synopsis nfdump [options] [filter]Descriptionnfdump is the netflow display and analyzing program of the nfdump tool set. It reads the netflow data from files stored by nfcapd and processes the flows according the options given. The filter syntax is comparable to tcpdump and extended for netflow data. Nfdump can…
nfcapd – netflow capture daemon Synopsis nfcapd [options]Descriptionnfcapd is the netflow capture daemon of the nfdump tools. It reads netflow data from the network and stores it into files. The output file is automatically rotated and renamed every n minutes – typically 5 min – according the timestamp YYYYMMddhhmm of the interval e.g. nfcapd.201107110845 contains…
nfanon – netflow anonymisation Synopsis nfanon [options]Descriptionnfanon is used to anonymise all IP addresses ( src, dst, next hop, router IP etc. ) in the netflow records using the CryptoPAn (Cryptography-based Prefix-preserving Anonymization) module. The key -K is used to initialize the Rijndael cipher. The key is either a 32 character string, or a 64…