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	<title>
	《oracle asm 剖析系列(5)&#8211;alias directory》的评论	</title>
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				<title>
				作者：天堂				</title>
				<link>http://www.killdb.com/2013/01/15/oracle-asm-%e5%89%96%e6%9e%90%e7%b3%bb%e5%88%975-alias-directory/#comment-1487</link>
		<dc:creator><![CDATA[天堂]]></dc:creator>
		<pubDate>Mon, 01 Jun 2015 14:09:00 +0000</pubDate>
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					<description><![CDATA[请教下，11g的值怎么获取？ 

SQL&#062; SELECT number_kffxp file#, disk_kffxp disk#, COUNT(disk_kffxp) extents

  2    FROM x$kffxp

  3   WHERE group_kffxp = 1

  4     AND disk_kffxp  65534

  5   GROUP BY number_kffxp, disk_kffxp;

     FILE#      DISK#    EXTENTS

---------- ---------- ----------

         1          0          2

         2          0          1

         3          0         21

         3          1         21

         4          0          4

         4          1          4

         5          0          1

         6          1          1

         8          0          1

         9          1          1

[grid@oracle11 ~]$ kfed read /dev/asm-data1 aun=2 blkn=6 &#124; grep au &#124; head -5

kfffde[0].xptr.au:                   27 ; 0x4a0: 0x0000001b

[grid@oracle11 ~]$ kfed read /dev/asm-data1 aun=27 blkn=1 &#124; more

kfbh.endian:                          0 ; 0x000: 0x00

kfbh.hard:                            0 ; 0x001: 0x00

kfbh.type:                            0 ; 0x002: KFBTYP_INVALID

对au 27 执行kfed，结果返回是错误的 KFBTYP_INVALID。]]></description>
		<content:encoded><![CDATA[<p>请教下，11g的值怎么获取？ </p>
<p>SQL&gt; SELECT number_kffxp file#, disk_kffxp disk#, COUNT(disk_kffxp) extents</p>
<p>  2    FROM x$kffxp</p>
<p>  3   WHERE group_kffxp = 1</p>
<p>  4     AND disk_kffxp  65534</p>
<p>  5   GROUP BY number_kffxp, disk_kffxp;</p>
<p>     FILE#      DISK#    EXTENTS</p>
<p>&#8212;&#8212;&#8212;- &#8212;&#8212;&#8212;- &#8212;&#8212;&#8212;-</p>
<p>         1          0          2</p>
<p>         2          0          1</p>
<p>         3          0         21</p>
<p>         3          1         21</p>
<p>         4          0          4</p>
<p>         4          1          4</p>
<p>         5          0          1</p>
<p>         6          1          1</p>
<p>         8          0          1</p>
<p>         9          1          1</p>
<p>[grid@oracle11 ~]$ kfed read /dev/asm-data1 aun=2 blkn=6 | grep au | head -5</p>
<p>kfffde[0].xptr.au:                   27 ; 0x4a0: 0x0000001b</p>
<p>[grid@oracle11 ~]$ kfed read /dev/asm-data1 aun=27 blkn=1 | more</p>
<p>kfbh.endian:                          0 ; 0x000: 0x00</p>
<p>kfbh.hard:                            0 ; 0x001: 0x00</p>
<p>kfbh.type:                            0 ; 0x002: KFBTYP_INVALID</p>
<p>对au 27 执行kfed，结果返回是错误的 KFBTYP_INVALID。</p>
]]></content:encoded>
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