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        <title>ZFS on Linux 提升读取性能</title>
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        <pubDate>Tue, 13 Sep 2022 14:14:08 &#43;0800</pubDate>
        <description>记录八盘 RAIDZ2 读取时硬盘利用不足的现象，尝试通过调整 ZFS 的 zfetch_max_distance 预取参数改善吞吐。</description>
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        <title>zfs zed 升级后 CPU 占用率长时间 100% 问题排查</title>
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        <pubDate>Wed, 14 Mar 2018 15:21:36 &#43;0800</pubDate>
        <description>排查内核升级后 zed 持续满载的问题，最终发现 ZFS 用户态工具与内核模块版本不一致，通过重新编译模块解决。</description>
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        <title>银欣 SST-DS380B 机箱散热优化</title>
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        <pubDate>Wed, 14 Mar 2018 14:56:50 &#43;0800</pubDate>
        <description>用 ABS 塑料板改造 DS380B 风道，先改善硬盘笼散热，再给被忽略的 CPU 与内存导风，记录改造思路和前后温度变化。</description>
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