<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="concept" /> <meta name="DC.Title" content="Journaling overview" /> <meta name="abstract" content="These topics introduce journaling support for integrated file system objects." /> <meta name="description" content="These topics introduce journaling support for integrated file system objects." /> <meta name="DC.Relation" scheme="URI" content="rzaaxjournal.htm" /> <meta name="DC.Relation" scheme="URI" content="rzaaxjournalmgmt.htm" /> <meta name="DC.Relation" scheme="URI" content="rzaaxwhatobj.htm" /> <meta name="DC.Relation" scheme="URI" content="rzaaxjourobj.htm" /> <meta name="DC.Relation" scheme="URI" content="rzaaxjourdirectory.htm" /> <meta name="DC.Relation" scheme="URI" content="rzaaxspecial.htm" /> <meta name="DC.Relation" scheme="URI" content="rzaaxconlinkjour.htm" /> <meta name="DC.Relation" scheme="URI" content="../rzaki/rzakikickoff.htm" /> <meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" /> <meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1999, 2006" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rzaaxjournaloverview" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>Journaling overview</title> </head> <body id="rzaaxjournaloverview"><a name="rzaaxjournaloverview"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">Journaling overview</h1> <div><p>These topics introduce journaling support for integrated file system objects.</p> </div> <div> <ul class="ullinks"> <li class="ulchildlink"><strong><a href="rzaaxjournalmgmt.htm">Journal management</a></strong><br /> The main purpose for journal management is to enable you to recover the changes to an object that have occurred since the object was last saved.</li> <li class="ulchildlink"><strong><a href="rzaaxwhatobj.htm">Objects you should journal</a></strong><br /> There are certain questions to consider when deciding whether to journal an integrated file system object.</li> <li class="ulchildlink"><strong><a href="rzaaxjourobj.htm">Journaled integrated file system objects</a></strong><br /> Some integrated file system object types can be journaled using <span class="keyword">i5/OS™</span> journaling support.</li> <li class="ulchildlink"><strong><a href="rzaaxjourdirectory.htm">Journaled operations</a></strong><br /> These operations are only journaled when the type of the object or link that the operation is using is a type that can also be journaled.</li> <li class="ulchildlink"><strong><a href="rzaaxspecial.htm">Special considerations for journal entries</a></strong><br /> Many journaled integrated file system operations internally use commitment control to form a single transaction from the multiple functions performed during the operations.</li> <li class="ulchildlink"><strong><a href="rzaaxconlinkjour.htm">Considerations for multiple hard links and journaling</a></strong><br /> If you have multiple hard links to a journaled integrated file system object, all the links should be saved and restored together so that the linkage is preserved as well as the associated journal information.</li> </ul> <div class="familylinks"> <div class="parentlink"><strong>Parent topic:</strong> <a href="rzaaxjournal.htm" title="The primary purpose of journaling is to enable you to recover the changes to an object that have occurred since the object was last saved. Additionally, a key use of journaling is to assist in the replication of object changes to another system either for high availability or workload balancing.">Journaling objects</a></div> </div> <div class="relinfo"><strong>Related information</strong><br /> <div><a href="../rzaki/rzakikickoff.htm">Journal management</a></div> </div> </div> </body> </html>