Large-file support: Difference between revisions

Revision as of 04:20, 30 November 2019

Revision as of 04:33, 30 November 2019

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{{More footnotes|date=March 2009}}

'''Large-file support''' ('''LFS''') is the term frequently applied to the ability to create files larger than either 2 or 4 [[Gibibyte|GiB]] on [[32-bit]] [[filesystem|filesystems]].

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While the limit was quite acceptable at a time when [[hard disk]]s were smaller, the general increase in storage capacity combined with increased server and desktop file usage, especially for [[database]] and [[multimedia]] files, led to intense pressure for OS vendors to overcome the limitation.

In 1996, multiple vendors responded by forming an industry initiative known as the '''Large File Summit''' to support large files on POSIX (at the time Windows NT already supported large files on NTFS), an obvious [[backronym]] of "LFS". The summit was tasked to define a standardized way to switch to [[64-bit]] numbers to represent file sizes.<ref>{{cite journal

|author = Solaris OS group

|date = March 1996

|url = http://www.sun.com/software/whitepapers/wp-largefiles/largefiles.pdf

|format = PDF |title = Large Files in Solaris: A White Paper

|publisher = [[Sun Microsystems]]

|accessdate = 2006-09-10

|archiveurl = https://web.archive.org/web/20070228204423/http://www.sun.com/software/whitepapers/wp-largefiles/largefiles.pdf

|archivedate = 2007-02-28

}}</ref>

This switch caused deployment issues and required design modifications, the consequences of which can still be seen:

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</div>

==External linksReferences==

{{Reflist|refs=

<ref name="DRDOS_FAT+_R2">{{cite web|title=FAT+ draft revision 2|first1=Udo|last1=Kuhnt|first2=Luchezar|last2=Georgiev|first3=Jeremy|last3=Davis|date=2007|format=FATPLUS.TXT|edition=2|url=http://www.fdos.org/kernel/fatplus.txt|accessdate=2015-08-05}}{{cite web |url=http://www.unet.univie.ac.at/~a0503736/php/drdoswiki/index.php?n=Main.FATplus |title=Archived copy |accessdate=2012-11-12 |archiveurl=https://web.archive.org/web/20120320075317/http://www.unet.univie.ac.at/~a0503736/php/drdoswiki/index.php?n=Main.FATplus |archivedate=2012-03-20 }}</ref>

}}

==External links==

* {{cite journal

|first = Andreas |last = Jaeger

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|publisher = SuSE GmbH (now [[Novell]])

|accessdate = 2006-09-10

}}

* {{cite journal

|author = Solaris OS group

|date = March 1996

|url = http://www.sun.com/software/whitepapers/wp-largefiles/largefiles.pdf

|format = PDF |title = Large Files in Solaris: A White Paper

|publisher = [[Sun Microsystems]]

|accessdate = 2006-09-10

|archiveurl = https://web.archive.org/web/20070228204423/http://www.sun.com/software/whitepapers/wp-largefiles/largefiles.pdf

|archivedate = 2007-02-28

}}