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	<title>Oracle Database Experts &#187; ASM</title>
	<atom:link href="http://www.dbaexpert.com/blog/category/asm/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.dbaexpert.com/blog</link>
	<description>By Charles Kim</description>
	<lastBuildDate>Mon, 06 Sep 2010 14:07:13 +0000</lastBuildDate>
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			<item>
		<title>View your alert.log file in Oracle Database 11g</title>
		<link>http://www.dbaexpert.com/blog/2010/08/view-your-alert-log-file-in-oracle-database-11g/</link>
		<comments>http://www.dbaexpert.com/blog/2010/08/view-your-alert-log-file-in-oracle-database-11g/#comments</comments>
		<pubDate>Sat, 28 Aug 2010 04:52:50 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[RAC]]></category>
		<category><![CDATA[Unix]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=874</guid>
		<description><![CDATA[
function ALERT {
export DB1=$ORACLE_SID
export DB=$(echo $ORACLE_SID&#124;tr '[A-Z]' '[a-z]' &#124;sed -e '$s/.$//')
export ASMDB=rdbms
if [ &#34;$DB&#34; = &#34;+asm&#34; ]; then export ASMDB=asm ; fi
if [ &#34;$DB&#34; = &#34;+as&#34; ]; then export ASMDB=asm ; export DB=&#34;+asm&#34;; fi
[ -d &#34;$ORACLE_BASE/diag/$ASMDB/$DB/$ORACLE_SID/trace&#34; ] &#38;&#38; view $ORACLE_BASE/diag/$ASMDB/$DB/$ORACLE_SID/trace/alert_$ORACLE_SID.log &#124;&#124;view $ORACLE_BASE/diag/$ASMDB/$DB1/$ORACLE_SID/trace/alert_$ORACLE_SID.log
}

Notes:
*  Works in both RAC and non-RAC.
*  Works for ASM and non-ASM [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2010/08/view-your-alert-log-file-in-oracle-database-11g/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ASM Pocket Reference Guide</title>
		<link>http://www.dbaexpert.com/blog/2009/12/asm-pocket-reference-guide/</link>
		<comments>http://www.dbaexpert.com/blog/2009/12/asm-pocket-reference-guide/#comments</comments>
		<pubDate>Sun, 27 Dec 2009 22:12:05 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=795</guid>
		<description><![CDATA[Get the latest relevant ASM information from Viskosity Technologies’ Automatic Storage Management (ASM) Pocket Reference Guide.
Provided by Charles Kim, Oracle ACE Director
]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/12/asm-pocket-reference-guide/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ACFS command-line tools available in Oracle Database 11g Release 2</title>
		<link>http://www.dbaexpert.com/blog/2009/09/acfs-command-line-tools-available-in-oracle-database-11g-release-2/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/acfs-command-line-tools-available-in-oracle-database-11g-release-2/#comments</comments>
		<pubDate>Sun, 13 Sep 2009 08:16:53 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=741</guid>
		<description><![CDATA[To support all the greatest ASM cluster file system functionality in Oracle Database 11g Release 2, Oracle provides set of command-line tools available for all Unix and Windows platforms.  Here&#8217;s a summary of all the available commands:

acfsdbg 			Debugs an Oracle ACFS file system.
acfsutil info 	Displays various Oracle ACFS file system information.
acfsutil registry 	Registers an [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/acfs-command-line-tools-available-in-oracle-database-11g-release-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Configure ACFS for auto-startup for non-RAC database servers</title>
		<link>http://www.dbaexpert.com/blog/2009/09/configure-acfs-for-auto-startup-for-non-rac-database-servers/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/configure-acfs-for-auto-startup-for-non-rac-database-servers/#comments</comments>
		<pubDate>Sun, 13 Sep 2009 07:56:19 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=739</guid>
		<description><![CDATA[[root@rac9 bin]# ./acfsload start -s 
[root@rac9 bin]# lsmod &#124;grep -i ora
oracleacfs            781476  0
oracleadvm            212736  0
oracleoks             224864  2 oracleacfs,oracleadvm
oracleasm [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/configure-acfs-for-auto-startup-for-non-rac-database-servers/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Volume Management with asmcmd</title>
		<link>http://www.dbaexpert.com/blog/2009/09/volume-management-with-asmcmd/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/volume-management-with-asmcmd/#comments</comments>
		<pubDate>Sun, 13 Sep 2009 03:01:58 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=705</guid>
		<description><![CDATA[Creating Volumes with the volcreate command


ASMCMD&#62; volcreate -G lobdata -s 4g vol_lob2

Note:
You can not create a mirror or high redundancy volume on an external redundant disk group.  

ASMCMD&#62; volcreate -G lobdata -s 4g --redundancy mirror vol_lob2
ORA-15032: not all alterations performed
ORA-15471: volume redundancy incompatible with diskgroup redundancy (DBD ERROR: OCIStmtExecute)

Displaying volume information with the volinfo [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/volume-management-with-asmcmd/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Rename Disk Group</title>
		<link>http://www.dbaexpert.com/blog/2009/09/rename-disk-group/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/rename-disk-group/#comments</comments>
		<pubDate>Sat, 12 Sep 2009 15:43:51 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=679</guid>
		<description><![CDATA[As of Oracle Database 11g Release 2, we can now rename disk groups.  Why is this important?  There&#8217;s two great reason why I think this feature is really beneficial for lot of companies.  First, companies who leverage hardware mirroring or triple mirroring technologies such as EMC Business Continuity Volumes (BCV) or Hitachi [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/rename-disk-group/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Ways to mount and dismount disk groups in Oracle Database 11g Release 2</title>
		<link>http://www.dbaexpert.com/blog/2009/09/ways-to-mount-and-dismount-disk-groups-in-oracle-database-11g-release-2/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/ways-to-mount-and-dismount-disk-groups-in-oracle-database-11g-release-2/#comments</comments>
		<pubDate>Sat, 12 Sep 2009 14:58:33 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=673</guid>
		<description><![CDATA[Prior to Oracle Database 11g Release 2, you had to issue the following commands in sqlplus to mount and dismount a diskgroup:

SQL&#62; alter diskgroup fra mount;

Diskgroup altered.

SQL&#62; alter diskgroup fra dismount;

Diskgroup altered.

As of Oracle Database 11g Release 2, an easier and more SA friendly approach is provided with asmcmd:

ASMCMD&#62; mount fra

Looking at the disk group [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/ways-to-mount-and-dismount-disk-groups-in-oracle-database-11g-release-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>New ways to create disk groups in Oracle Database 11g Release 2</title>
		<link>http://www.dbaexpert.com/blog/2009/09/new-ways-to-create-disk-groups-in-oracle-database-11g-release-2/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/new-ways-to-create-disk-groups-in-oracle-database-11g-release-2/#comments</comments>
		<pubDate>Sat, 12 Sep 2009 12:43:36 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=669</guid>
		<description><![CDATA[Guess what?  As of Oracle Database 11g Release 2, we can create disk groups using the asmcmd command.  Check out one of the new ways we can create a diskgroup using an XML file as a template.  The mkdg ASMCMD command can accept an xml file as a parameter to create a [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/new-ways-to-create-disk-groups-in-oracle-database-11g-release-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ASMCA Command-line Interface</title>
		<link>http://www.dbaexpert.com/blog/2009/09/asmca-command-line-interface/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/asmca-command-line-interface/#comments</comments>
		<pubDate>Sat, 12 Sep 2009 04:12:43 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=658</guid>
		<description><![CDATA[In another post, we learned how to exploit all the ASMCA GUI features.  asmca can be invoked with the -silent option and can effectively become a great  command line interface.
You can create disk groups with the ASMCA configuration tool (ASMCA) or asmcmd command line interface as shown in this blog entry:
New ways to [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/asmca-command-line-interface/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Maintaining ASM Volumes and Cluster File Systems in Oracle Database 11g Release 2</title>
		<link>http://www.dbaexpert.com/blog/2009/09/maintaining-asm-volumes-and-cluster-file-systems-in-oracle-database-11g-release-2/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/maintaining-asm-volumes-and-cluster-file-systems-in-oracle-database-11g-release-2/#comments</comments>
		<pubDate>Fri, 11 Sep 2009 13:01:50 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=640</guid>
		<description><![CDATA[Earlier we created an ASM Volume and created Cluster File System.  Let&#8217;s continue where we left off and do some maintenance.
From the ASM Cluster File System main screen (Click on the ASM Cluster File System Tab), we will click on the VOL_LOGFILE volume URL to see volume related information:

Click on the Edit button to [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/maintaining-asm-volumes-and-cluster-file-systems-in-oracle-database-11g-release-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Creating ASM Volumes and Cluster File Systems with Enterprise Mangers in 11g Release 2</title>
		<link>http://www.dbaexpert.com/blog/2009/09/creating-asm-volumes-and-cluster-file-systems-with-enterprise-mangers-in-11g-release-2/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/creating-asm-volumes-and-cluster-file-systems-with-enterprise-mangers-in-11g-release-2/#comments</comments>
		<pubDate>Fri, 11 Sep 2009 12:33:59 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=599</guid>
		<description><![CDATA[Earlier in another blog post, I wrote on the subtle differences in how to start Enterprise Manager Database Control (dbconsole) in Oracle Database 11g Release 2
Let&#8217;s login to the EM Database Control.  Your URL to login should be something like this:
https://jin1:1158/em
Scroll to the bottom of the screen to the instances section.  You will [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/creating-asm-volumes-and-cluster-file-systems-with-enterprise-mangers-in-11g-release-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Creating ASM Snapshots with Enterprise Mangers in 11g Release 2</title>
		<link>http://www.dbaexpert.com/blog/2009/09/creating-asm-snapshots-with-enterprise-mangers-in-11g-release-2/</link>
		<comments>http://www.dbaexpert.com/blog/2009/09/creating-asm-snapshots-with-enterprise-mangers-in-11g-release-2/#comments</comments>
		<pubDate>Fri, 11 Sep 2009 12:17:33 +0000</pubDate>
		<dc:creator>ckim</dc:creator>
				<category><![CDATA[ASM]]></category>

		<guid isPermaLink="false">http://www.dbaexpert.com/blog/?p=607</guid>
		<description><![CDATA[Earlier we went through the exercise to create ASM Volumes and Cluster File Systems within ASM disk groups.    Another great feature introduced in Oracle Database 11g Release 2 is the capability to create snapshot images of the ASM cluster file systems.  Oracle allows up to 63 read-only snapshots of their file [...]]]></description>
		<wfw:commentRss>http://www.dbaexpert.com/blog/2009/09/creating-asm-snapshots-with-enterprise-mangers-in-11g-release-2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
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