You define the
size of the catalogs as part of creating a new catalog. However, the catalog might not actually contain
that much information. Rather than waste the disk space, the indexing service uses a sparse file to hold
the catalog.
Sparse files require special handling. The FSUtil command provides a number of special commands to
work with sparse files. For example, you can use the queryallocranges argument of the file mode
to locate sparse files on the hard drive. Likewise, the sparse mode arguments help you manage sparse
files. For example, you can use this mode to set a sparse range within a file. You can learn more about
sparse files on the Microsoft Web site at http://technet.microsoft.com/en-us/library/
Bb457112.aspx.
242 CHAPTER 9 MANAGING THE HARD DRIVE
volumeinfo Volume Displays statistics about the specified volume including the volume
name, volume serial number, maximum component length, and file system name. In addition,
the output tells whether the drive supports case-sensitive filenames, Unicode in filenames, filebased
compression, disk quotas, sparse files, reparse points, object identifiers, the encrypted file
system, and named streams.
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