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Alf Wachsmann > AFS-Monitor-0.3.2 > xstat_fs_test


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xstat_fs_test - Gathers data collections from the File Server process.


  use AFS::Monitor qw(xstat_fs_test);

  my $result = xstat_fs_test(
                             fsname => ["hostName1", "hostName2"],
                             collID => [0, 1, 2],

  foreach my $probe (@$result) {
    print "For host: $probe->{hostName}, ";
    print "Collection $probe->{collectionNumber}\n";
    if ($probe->{probeOK}) {
      print "probe successful\n";
    } else {
      print "probe failed\n";


The xstat_fs_test function tests the routines in the libxstat_fs.a library and returns the data collections associated with the File Server (the fs process).



String with one name or reference to an array with names of one or more machines from which to monitor the File Server process.


Integer or reference to an array where each entry specifies each data collection to return, which defines the type and amount of data the command interpreter gathers about the File Server. Data is returned in a predefined data structure.

There are three acceptable values:


Provides profiling information about the numbers of times different internal File Server routines were called since the File Server started. This value is not currently implemented; it returns no data.


Reports various internal performance statistics related to the File Server (for example, vnode cache entries and Rx protocol activity).


Reports all of the internal performance statistics provided by the 1 setting, plus some additional, detailed performance figures about the File Server (for example, minimum, maximum, and cumulative statistics regarding File Server RPCs, how long they take to complete, and how many succeed).


Only when compiled with OpenAFS-1.4.1 or newer. Reports various internal CallBack statistics related to the File Server.


The returned value is a reference to an array. There is an entry in the array for each collection gathered for each file server. Each entry in the array is a reference to a hash, containing the following keys:


The name of the file server this data collection represents


The data collection number


The time the probe was initiated, measured in seconds since the Epoch (00:00:00 UTC, January 1, 1970).


1 if the probe was successful, 0 if the probe failed.


If the probe was not successful, this key will not exist. Otherwise, this entry will contain a reference to a hash containing all of the data collected. For details on the contents of this hash, and an example of printing it in a readable format, refer to the xstat_fs_test script in the examples directory.


The code and documentation for this class were contributed by Stanford Linear Accelerator Center, a department of Stanford University. This documentation was written by

Elizabeth Cassell <> and
Alf Wachsmann <>


 Copyright 2004 Alf Wachsmann <> and
                Elizabeth Cassell <>
 All rights reserved.

 Most of the explanations in this document are taken from the original
 AFS documentation.

 AFS-3 Programmer's Reference:
 Volume Server/Volume Location Server Interface
 Edward R. Zayas
 (c) 1991 Transarc Corporation.
 All rights reserved.

 IBM AFS Administration Reference
 (c) IBM Corporation 2000.
 All rights reserved.

 This library is free software; you can redistribute it and/or modify it
 under the same terms as Perl itself.
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