[BACK]Return to text5.htm CVS log [TXT][DIR] Up to [Development] / xfs-website / papers / usenix2000
File: [Development] / xfs-website / papers / usenix2000 / text5.htm (download)

Revision 1.1, Fri Jun 23 17:03:55 2000 UTC (17 years, 4 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD 

usenix 2000 paper

<html>
<head>
<title>It's EFFICIENT</title>
</head>
<body text=#000000 bgcolor=#FFFFFF link=#000080 vlink=#800000 alink=#000080>
<center>
<a href="text0.htm">First page</a> <a href="text4.htm">Back</a> <a href="text6.htm">Continue</a> <a href="text17.htm">Last page</a> <a href="usenix2000.htm">Summary</a> <a href="img5.htm">Graphic</a></center><br>
<h1><b>It's EFFICIENT</b></h1><p>
<ul><li><h2><b><i>Extent based files</b></i></h2>
<ul><li><b>File's disk blocks made as contiguous as possible.</b>
<li><b>Sparse Files: holes represented in extents  rather than disk blocks.</b>
<li><b>Pre allocation: large files can be laid out prior use</b>
<li><b>Allocator understands underlying disk layout (Logical Volume Manager) </b>
</ul></ul><br>
<h3>Notes:</h3>
</body>
</html>