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	<title>Chifeng's Blog &#187; FreeBSD</title>
	<atom:link href="http://blog.chifeng.name/category/freebsd/feed/" rel="self" type="application/rss+xml" />
	<link>http://blog.chifeng.name</link>
	<description></description>
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	<language>en</language>
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		<item>
		<title>MySQL NDB Cluster</title>
		<link>http://blog.chifeng.name/2009/12/mysql-ndb-cluster/</link>
		<comments>http://blog.chifeng.name/2009/12/mysql-ndb-cluster/#comments</comments>
		<pubDate>Mon, 14 Dec 2009 07:14:56 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[Cluster]]></category>
		<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[SystemMaintenance]]></category>

		<guid isPermaLink="false">http://blog.chifeng.name/?p=356</guid>
		<description><![CDATA[废话不多说，贴个命令以及回显。这种架构很不错！！应该找个机会在生产环境中跑跑。。。 fb00# ndb_mgm -e SHOW Connected to Management Server at: 172.20.6.200:1186 Cluster Configuration &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; [ndbd(NDB)]    2 node(s) id=2    @172.20.6.201  (Version: 5.4.3, Nodegroup: 0, Master) id=3    @172.20.6.202  (Version: 5.4.3, Nodegroup: 0) [ndb_mgmd(MGM)]    1 node(s) id=1    @172.20.6.200  (Version: 5.4.3) [mysqld(API)]    2 node(s) id=4    @172.20.6.203  (Version: 5.4.3) id=5    @172.20.6.204  (Version: 5.4.3)]]></description>
			<content:encoded><![CDATA[<p>废话不多说，贴个命令以及回显。这种架构很不错！！应该找个机会在生产环境中跑跑。。。</p>
<p>fb00# ndb_mgm -e SHOW<br />
Connected to Management Server at: 172.20.6.200:1186<br />
Cluster Configuration<br />
&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br />
[ndbd(NDB)]    2 node(s)<br />
id=2    @172.20.6.201  (Version: 5.4.3, Nodegroup: 0, Master)<br />
id=3    @172.20.6.202  (Version: 5.4.3, Nodegroup: 0)</p>
<p>[ndb_mgmd(MGM)]    1 node(s)<br />
id=1    @172.20.6.200  (Version: 5.4.3)</p>
<p>[mysqld(API)]    2 node(s)<br />
id=4    @172.20.6.203  (Version: 5.4.3)<br />
id=5    @172.20.6.204  (Version: 5.4.3)</p>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>libpst</title>
		<link>http://blog.chifeng.name/2009/03/libpst/</link>
		<comments>http://blog.chifeng.name/2009/03/libpst/#comments</comments>
		<pubDate>Thu, 19 Mar 2009 02:20:54 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>

		<guid isPermaLink="false">http://blog.chifeng.name/?p=322</guid>
		<description><![CDATA[这个软件很不错，但是近来Dave Smith老大更新的也太快了。。。。崩溃！！ LibPST 0.6.33 (2009-03-17) =============================== * fix fedora 11 type mismatch warning (actually an error in this case). * fix large file support, some sytems require config.h to be included earlier in the compilation. * compensate for iconv conversion to utf-7 that produces strings that are not null terminated. * don&#8217;t produce empty attachment [...]]]></description>
			<content:encoded><![CDATA[<p>这个软件很不错，但是近来Dave Smith老大更新的也太快了。。。。崩溃！！</p>
<p>LibPST 0.6.33 (2009-03-17)<br />
===============================</p>
<p>* fix fedora 11 type mismatch warning (actually an error in this case).<br />
* fix large file support, some sytems require config.h to be included<br />
earlier in the compilation.<br />
* compensate for iconv conversion to utf-7 that produces strings that<br />
are not null terminated.<br />
* don&#8217;t produce empty attachment files in separate mode.</p>
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		</item>
		<item>
		<title>policyd2</title>
		<link>http://blog.chifeng.name/2008/12/policyd2/</link>
		<comments>http://blog.chifeng.name/2008/12/policyd2/#comments</comments>
		<pubDate>Thu, 04 Dec 2008 04:01:02 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[policyd2 freebsd ports]]></category>

		<guid isPermaLink="false">http://blog.chifeng.name/?p=263</guid>
		<description><![CDATA[I ran into a few problems with this port. First of all you had a bad path in one of your depends (fixed). But, the main problem is docs install. Several points, the use of %%PORTDOCS%% in the pkg-plist is deprecated and being removed from all ports. Secondly all ports now must respect NOPORTDOCS, NOPORTEXAMPLES [...]]]></description>
			<content:encoded><![CDATA[<p>I ran into a few problems with this port. First of all you had a bad path in<br />
one of your depends (fixed). But, the main problem is docs install. Several<br />
points, the use of %%PORTDOCS%% in the pkg-plist is deprecated and being<br />
removed from all ports. Secondly all ports now must respect NOPORTDOCS,<br />
NOPORTEXAMPLES and NOPORTDATA. I fixed your install to respect these flags and<br />
moved two folders out of ${DOCSDIR} that belong in ${DATADIR}. Try and avoid<br />
using ${CP} and ${MKDIR} in the makefile. Also, it&#8217;s not necessary to list<br />
your docs in the pkg-plist at all that&#8217;s now all handled by PORTDOCS= in the<br />
Makefile same with PORTEXAMPLES and PORTDATA. If you have many files and<br />
directories you can use the &#8220;*&#8221; (wildcard) character rather than clutter up<br />
the Makefile. Rule of thumb is 4 lines of filenames max. Another point,  it&#8217;s<br />
not a good idea to redefine ${DOCSDIR}. Users expect to find docs under the<br />
portname in /usr/local/share/doc/${PORTNAME}, changing that to &#8220;cluebringer&#8221;<br />
will only serve to confuse them. And finally, we never include the license in<br />
docs. They are already in the tree and there are  already hundreds of copies</p>
<p>mistakenly put in docs.</p>
<div class="ArwC7c ckChnd">Beech老大不厌其烦的解释了我port的这些问题，记录一下，以后注意不再犯错。</div>
<div class="ArwC7c ckChnd">我立马改了，并且刚想upload了一个新的，还没来得及，再回头看邮件，发现Beech老大已经把patch发过来了。</div>
<div class="ArwC7c ckChnd">服！！老大们总是喜欢直接给 patch！！</div>
<div class="ArwC7c ckChnd">于是，又赶紧退回原来版本，测试了一下patch，没有问题，便回信告诉老大ci吧。。。</div>
<div class="ArwC7c ckChnd">http://www.freebsd.org/cgi/query-pr.cgi?pr=129385</div>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>更新了extmail/extman的ports</title>
		<link>http://blog.chifeng.name/2008/11/%e6%9b%b4%e6%96%b0%e4%ba%86extmailextman%e7%9a%84ports/</link>
		<comments>http://blog.chifeng.name/2008/11/%e6%9b%b4%e6%96%b0%e4%ba%86extmailextman%e7%9a%84ports/#comments</comments>
		<pubDate>Mon, 24 Nov 2008 06:07:11 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[extmail]]></category>
		<category><![CDATA[extman]]></category>
		<category><![CDATA[ports]]></category>

		<guid isPermaLink="false">http://blog.chifeng.name/?p=258</guid>
		<description><![CDATA[在extmail-1.0.5和extman-0.2.5发布之后，我一直忙的忘记更新ports了，今天花了点时间搞定了patch，send-pr了，希望尽快有committer老大帮忙ci了。。。 extmail-1.0.5 http://www.freebsd.org/cgi/query-pr.cgi?pr=129119 extman-0.2.5 http://www.freebsd.org/cgi/query-pr.cgi?pr=129120]]></description>
			<content:encoded><![CDATA[<p>在extmail-1.0.5和extman-0.2.5发布之后，我一直忙的忘记更新ports了，今天花了点时间搞定了patch，send-pr了，希望尽快有committer老大帮忙ci了。。。</p>
<p>extmail-1.0.5<br />
<a href="http://www.freebsd.org/cgi/query-pr.cgi?pr=129119" target="_self">http://www.freebsd.org/cgi/query-pr.cgi?pr=129119</a></p>
<p>extman-0.2.5<br />
<a href="http://www.freebsd.org/cgi/query-pr.cgi?pr=129120" target="_self">http://www.freebsd.org/cgi/query-pr.cgi?pr=129120</a></p>
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		</item>
		<item>
		<title>FreeBSD6.3-Release</title>
		<link>http://blog.chifeng.name/2008/01/freebsd63-release/</link>
		<comments>http://blog.chifeng.name/2008/01/freebsd63-release/#comments</comments>
		<pubDate>Sat, 19 Jan 2008 00:52:57 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[6.3]]></category>
		<category><![CDATA[release]]></category>
		<category><![CDATA[rpc.lockd]]></category>
		<category><![CDATA[rpc.statd]]></category>

		<guid isPermaLink="false">http://b.chifeng.name/?p=218</guid>
		<description><![CDATA[
]]></description>
			<content:encoded><![CDATA[<p>FreeBSD6.3-Release</p>
<p>早上起来看到6.3终于release了，呵呵。对我这儿来说，需要关注以下改动</p>
<p>0. <tt class="FILENAME">启动脚本/etc/rc.d/nfslocking被拿走了，取而代之的是</tt><tt class="FILENAME">/etc/rc.d/lockd</tt>和<tt class="FILENAME">/etc/rc.d/statd</tt>，看起来似乎更合理了。<br />1. <tt class="FILENAME">rpc.lockd</tt>和<tt class="FILENAME">rpc.statd可以指定-p参数了</tt><br />2. top可以用-j参数了，看到jail的ID<br />3. fdisk支持-p参数了，可以打印出slice表<br />4. mpt驱动的改进，偶这儿很多dell的机器需在用这个卡的驱动<br />5. MSI，MSI-x的支持，可以解决在dell2950上不能安装的问题</p>
<p>只记录跟我工作密切相关的，其实别的还有一堆改进。:)</p>
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		</item>
		<item>
		<title>使用FreeBSD6.3 RC1的问题</title>
		<link>http://blog.chifeng.name/2007/12/%e4%bd%bf%e7%94%a8freebsd63-rc1%e7%9a%84%e9%97%ae%e9%a2%98/</link>
		<comments>http://blog.chifeng.name/2007/12/%e4%bd%bf%e7%94%a8freebsd63-rc1%e7%9a%84%e9%97%ae%e9%a2%98/#comments</comments>
		<pubDate>Fri, 07 Dec 2007 02:35:51 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[beta3]]></category>
		<category><![CDATA[RHEL]]></category>
		<category><![CDATA[rsync]]></category>

		<guid isPermaLink="false">http://b.chifeng.name/?p=212</guid>
		<description><![CDATA[
]]></description>
			<content:encoded><![CDATA[<p>FreeBSD 6.3 RC1</p>
<p>在使用6.3 rc1的过程中，rsync往其中一块硬盘上同步数据，在同步了一些数据之后，硬盘灯狂闪，停止响应，操作系统踢出这块硬盘（类似人间蒸发了）。对2块300G的SAS硬盘做测试，都是这德性。共测试3次，全部同一效果，不知道是硬件的问题，还是OS的驱动的问题。</p>
<p>之前还是这台机器，跑7.0beta3测试，没有任何问题，ZFS测试也没有出现过掉盘现象。不过没时间折腾了，先装了个RHEL5.1再试试，如果能顶过去，周末用完再继续折腾。:-)</p>
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		</item>
		<item>
		<title>6.3 release notes</title>
		<link>http://blog.chifeng.name/2007/12/63-release-notes/</link>
		<comments>http://blog.chifeng.name/2007/12/63-release-notes/#comments</comments>
		<pubDate>Thu, 06 Dec 2007 01:07:28 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>

		<guid isPermaLink="false">http://b.chifeng.name/?p=211</guid>
		<description><![CDATA[
]]></description>
			<content:encoded><![CDATA[<p>FreeBSD 6.3 Release的发行注释</p>
<p>偶翻译了少部分，make出来的结果在这儿可以看到：<br /><a href="http://www.delphij.net/r6/6.3-RELEASE/relnotes/i386/">http://www.delphij.net/r6/6.3-RELEASE/relnotes/i386/</a></p>
<p>看到翻译错误的，请到<span class="HcCDpe"><a href="http://lists.cn.freebsd.org/mailman/listinfo/cnproj-cvs">cnproj-cvs@lists.cn.freebsd.org</a>里叫</span>一下。</p>
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		</item>
		<item>
		<title>DELL2950不能安装FreeBSD6.2amd64 Release</title>
		<link>http://blog.chifeng.name/2007/12/dell2950%e4%b8%8d%e8%83%bd%e5%ae%89%e8%a3%85freebsd62amd64-release/</link>
		<comments>http://blog.chifeng.name/2007/12/dell2950%e4%b8%8d%e8%83%bd%e5%ae%89%e8%a3%85freebsd62amd64-release/#comments</comments>
		<pubDate>Mon, 03 Dec 2007 08:40:31 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>

		<guid isPermaLink="false">http://b.chifeng.name/?p=210</guid>
		<description><![CDATA[
]]></description>
			<content:encoded><![CDATA[<p><b>MSI</b></p>
<p>在一台dell2950上装FreeBSD6.2amd64，死活装不上，在往硬盘上拷贝文件的时候，死机，对BIOS做了一些调整，换System Interrupts Assignment为Distruibuted，仍然不行。试了一下安装7.0amd64，则没有任何问题，怪了。。。</p>
<p>前后折腾了几天，下载了6.3RC1-amd64来试，仍然不行，向delphij老大请教，建议我打开msi。安装时选择6，然后：<br /><b>set hw.pci.enable_msi=1<br />set hw.pci.enable_msix=1</b><br />继续安装，ok了。原来是MSI的问题。</p>
<p>FreeBSD6.2根本没有msi的支持，因此装不上。<br />6.3加入了MSI的支持，但是不是默认的，需要加入loader.conf。<br />7.0默认即有MSI扩展的支持，因此安装起来没有任何问题。</p>
<p>MSI&#8211;<font size="-1">Message Signaled Interrupts<br />http://people.freebsd.org/~jhb/papers/bsdcan/2007/article/article.html</p>
<p></font></p>
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		</item>
		<item>
		<title>ZFS测试</title>
		<link>http://blog.chifeng.name/2007/11/zfs%e6%b5%8b%e8%af%95/</link>
		<comments>http://blog.chifeng.name/2007/11/zfs%e6%b5%8b%e8%af%95/#comments</comments>
		<pubDate>Fri, 23 Nov 2007 06:46:33 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>
		<category><![CDATA[ZFS]]></category>

		<guid isPermaLink="false">http://b.chifeng.name/?p=208</guid>
		<description><![CDATA[
]]></description>
			<content:encoded><![CDATA[<p>ZFS</p>
<p>折腾了一周多时间，粗略的测试了FreeBSD7.0下的ZFS+NFS，几点体会。</p>
<p>0，打开ZFS的时候会报这样一句话：&#8221;WARNING: ZFS is considered to be an experimental feature in FreeBSD.&#8221; ，我要提醒，多读一遍。:)</p>
<p>1，直接使用下载的FreeBSD7.0 CD安装系统，配置好ZFS+NFS，然后拿3个NFS client和2个local的iozone来跑，会导系统不稳定，异常发生，一段时间后系统panic。抛出这个panic信息后，系统死掉。<br /><b>&#8220;panic: kmem_malloc(114688): kmem_map too small: 417947648 total allocated cpuid=1&#8243;</b></p>
<p>2，重启后，升级src到beta3，然后重新配置kernel，继续像1那样的环境测试，结果也跟1差不多，仍然是不稳定+panic。</p>
<p>3，delphij老大给了一个patch，打上后重新make world&amp;kernel，然后类似1、2那样的环境继续测试，跑了大概1天多点的时间，表现比原来好些，系统没有panic，但是仍然有异常。NFS服务非常不稳定，报如下信息。<br />nfs server 172.168.1.204:/tank/nfs: not responding<br />nfs server 172.168.1.204:/tank/nfs: not responding<br />nfs server 172.168.1.204:/tank/nfs: not responding<br />nfs server 172.168.1.204:/tank/nfs: is alive again<br />nfs server 172.168.1.204:/tank/nfs: not responding<br />nfs server 172.168.1.204:/tank/nfs: is alive again<br />nfs server 172.168.1.204:/tank/nfs: not responding</p>
<p>4，ZFS打开压缩和不打开压缩，性能相差非常明显，不过我这儿的前提是CPU性能足够好。压缩推荐使用lzjb，效果比较好。建议一定要打开压缩。</p>
<p>5，IO表现不行，或者是因为我的硬盘少的原因（只有3块，做的raidz1），zpool iostat看到的最大IO是124M，应该已经很高了，多数时候只10-20M左右，磕死老大跟我说的是能到100M左右。</p>
<p>6，网卡流量没跑起来，最高跑到几十兆，就不提了。看看我另外一台生产服务器(FreeBSD6.2)上的流量，就知道偶为啥不提了，:D。<br /><span class="mt-enclosure mt-enclosure-image"><img alt="if_bce0-day.png" src="http://blog.chifeng.name/2007/11/23/if_bce0-day.png" class="mt-image-left" style="margin: 0pt 20px 20px 0pt; float: left;" height="276" width="495" /></span></p>
<p>结论： 鉴于稳定性和性能上的考虑，暂时不考虑在生产服务器上采用ZFS，等到7.0 Release出来之后再测试测试再说。</p>
<div></div>
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		</item>
		<item>
		<title>ZFS文档</title>
		<link>http://blog.chifeng.name/2007/11/zfs%e6%96%87%e6%a1%a3/</link>
		<comments>http://blog.chifeng.name/2007/11/zfs%e6%96%87%e6%a1%a3/#comments</comments>
		<pubDate>Mon, 12 Nov 2007 08:48:20 +0000</pubDate>
		<dc:creator>chifeng</dc:creator>
				<category><![CDATA[FreeBSD]]></category>

		<guid isPermaLink="false">http://b.chifeng.name/?p=205</guid>
		<description><![CDATA[
]]></description>
			<content:encoded><![CDATA[<p>qingran老弟发的ZFS相关文档，相当全。另外强烈推荐一个ZFS视频看看，哈哈<br /><a href="http://youtube.com/watch?v=o3TGM0T1CvE">http://youtube.com/watch?v=o3TGM0T1CvE</a></p>
<p><b>ZFS介绍：</b><br />
<a href="http://www.sun.com/software/solaris/zfs_learning_center.jsp" target="_blank">Sun&nbsp;<br />
ZFS Learning Center</a><br />
<a href="http://www.opensolaris.org/os/community/zfs/whatis/" target="_blank">http://www.opensolaris.org/os<wbr>/community/zfs/whatis/</a><br />
<a href="http://www.opensolaris.org/os/community/zfs/" target="_blank">http://www.opensolaris.org/os<wbr>/community/zfs/</a><br />
<a href="http://www.sun.com/2004-0914/feature/" target="_blank">http://www.sun.com/2004-0914<wbr>/feature/</a><br />
<a href="http://en.wikipedia.org/wiki/ZFS" target="_blank">http://en.wikipedia.org/wiki<wbr>/ZFS</a><br />
<a href="http://blog.ccw.com.cn/article-htm-itemid-13017-type-blog.html" target="_blank">http://blog.ccw.com.cn/article<wbr>-htm-itemid-13017-type-blog<wbr>.html</a></p>
<p><b>ZFS development on FreeBSD:</b><br />
<a href="http://2007.asiabsdcon.org/papers/P16-paper.pdf" target="_blank">Porting<br />
ZFS file system to FreeBSD &#8211; paper</a><br />
<a href="http://2007.asiabsdcon.org/papers/P16-slides.pdf" target="_blank">Porting<br />
ZFS file system to FreeBSD &#8211; slides</a><br />
<a href="http://lists.freebsd.org/pipermail/freebsd-current/2007-April/070544.html" target="_blank">ZFS<br />
in the FreeBSD base announce</a><br />
<b><br />
ZFS howto on FreeBSD:</b><br />
<a href="http://wiki.freebsd.org/ZFSQuickStartGuide" target="_blank"> ZFS &#8211; Quick start<br />
guide</a><br />
<a href="http://wiki.freebsd.org/ZFSOnRoot" target="_blank"> Root on ZFS configuration</a><br />
<a href="http://wiki.freebsd.org/ZFSTuningGuide" target="_blank"> Tuning Guide for ZFS</a></p>
<p><b>Live demos of ZFS on FreeBSD:</b><br />
<a href="http://people.freebsd.org/%7Epjd/misc/zfs/zfs_add_replace.swf" target="_blank">zpool<br />
add/replace example</a><br />
<a href="http://people.freebsd.org/%7Epjd/misc/zfs/zfs_compression.swf" target="_blank">ZFS<br />
compression example</a><br />
<a href="http://people.freebsd.org/%7Epjd/misc/zfs/zfs_self-healing.swf" target="_blank">ZFS<br />
self-healing example</a><br />
<a href="http://people.freebsd.org/%7Epjd/misc/zfs/zfs_snapshot.swf" target="_blank">ZFS<br />
snapshot example</a><br />
<a href="http://people.freebsd.org/%7Epjd/misc/zfs/zfs_ufs-on-zvol.swf" target="_blank">UFS<br />
on ZVOL example</a></p>
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