Rocks clusters make sense for educational environments


 
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Special Forums UNIX and Linux Applications High Performance Computing Rocks clusters make sense for educational environments
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Old 08-18-2008
Rocks clusters make sense for educational environments

08-18-2008 11:00 AM
Cluster computing has played a pivotal role in the way research is conducted in educational environments. Because the amount of available money and hardware varies between university researchers, often it's necessary to find a clustering solution that can work well on a small scale, but also can be expanded into a large computing cluster. To maximize grants, researchers typically ask for an open source solution to meet their needs. Despite the lack of certain desirable features, Rocks clusters are among the best open source solution for building a computing cluster.



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NTFSCLUSTER(8)						      System Manager's Manual						    NTFSCLUSTER(8)

NAME
ntfscluster - identify files in a specified region of an NTFS volume. SYNOPSIS
ntfscluster [options] device DESCRIPTION
ntfscluster has three modes of operation: info, sector and cluster. Info The default mode, info is currently not implemented. It will display general information about the NTFS volume when it is working. Sector The sector mode will display a list of files that have data in the specified range of sectors. Cluster The cluster mode will display a list of files that have data in the specified range of clusters. When the cluster size is one sector, this will be equivalent to the sector mode of operation. OPTIONS
Below is a summary of all the options that ntfscluster accepts. Nearly all options have two equivalent names. The short name is preceded by - and the long name is preceded by --. Any single letter options, that don't take an argument, can be combined into a single command, e.g. -fv is equivalent to -f -v. Long named options can be abbreviated to any unique prefix of their name. -c, --cluster RANGE Any files whose data is in this range of clusters will be displayed. -F, --filename NAME Show information about this file. -f, --force This will override some sensible defaults, such as not working with a mounted volume. Use this option with caution. -h, --help Show a list of options with a brief description of each one. -I, --inode NUM Show information about this inode. -i, --info This option is not yet implemented. -q, --quiet Reduce the amount of output to a minimum. Naturally, it doesn't make sense to combine this option with -s, --sector RANGE Any files whose data is in this range of sectors will be displayed. -v, --verbose Increase the amount of output that ntfscluster prints. -V, --version Show the version number, copyright and license for ntfscluster. EXAMPLES
Get some information about the volume /dev/hda1. ntfscluster /dev/hda1 Look for files in the first 500 clusters of /dev/hda1. ntfscluster -c 0-500 /dev/hda1 BUGS
The info mode isn't implemented yet. ntfscluster is quite limited, but it has no known bugs. If you find a bug please send an email describing the problem to the development team: ntfs-3g-devel@lists.sf.net AUTHORS
ntfscluster was written by Richard Russon, with contributions from Anton Altaparmakov. It was ported to ntfs-3g by Erik Larsson. AVAILABILITY
ntfscluster is part of the ntfs-3g package and is available from: http://www.tuxera.com/community/ SEE ALSO
ntfsinfo(8), ntfsprogs(8) ntfs-3g 2017.3.23 November 2005 NTFSCLUSTER(8)