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Operating Systems Solaris Inaccurate file size report with du? Post 302808859 by jlliagre on Friday 17th of May 2013 04:10:07 PM
Old 05-17-2013
Quote:
Originally Posted by JT-KGY
Sparse files have to be created deliberately right?
Generally yes.
Code:
I used ls and it is returning the correct size on the file when du only returns 931M

931M is the correct disk usage.
Quote:
How does this affect performance?
Compression usually affect performance positively. Disks are generally much slower to process data than CPUs nowadays.
Quote:
Would I be able to turn off compression?
Sure.
Quote:
So I guess there's no compression-aware "du" out there?
That would make du a misnomer. du means disk usage, i.e. how much disk space a file is using. Solaris du correctly reports that.
GNU du implements the --apparent-size option though.
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install-solaris(1M)													       install-solaris(1M)

NAME
install-solaris - install the Solaris operating system SYNOPSIS
install-solaris install-solaris invokes the Solaris Install program. Depending on graphical capability and available memory at the time of invocation, install-solaris invokes either a text-based installer or a graphical installer. The following minimum requirements for physical memory dictate which features are available during installation: For SPARC machines: 128 MB Minimum physical memory for all installation types 128 MB Minimum physical memory required for windowing system 384 MB Minimum physical memory required for graphical-based installation For x86 machines: 256 MB Minimum physical memory for all installation types 256 MB Minimum physical memory required for windowing system 512 MB Minimum physical memory required for graphical-based installation In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number of fea- tures available. install-solaris exists only on the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the for more details. install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the installation media. Refer to the for disk space requirements. Refer to the for more information on the various menus and selections. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcdrom (Solaris instal- | | |lation media) | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ pkginfo(1), install(1M), pkgadd(1M), attributes(5) It is advisable to exit install-solaris by means of the exit options in the install-solaris menus. 23 Sep 2005 install-solaris(1M)
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