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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
Read time: 1 minute(s)
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<section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">升级过程中断电,如何继续升级</h2>
<div class="- topic/div div section" id="id__id3"><strong class="+ topic/ph hi-d/b ph b">现象</strong>
<p class="- topic/p p" data-ofbid="d59491e37__20250123155203">主系统升级程序过程中断电设备重启后未继续进行升级。Recovery 系统升级程序过程中断电,设备重启后能继续进行升级。</p></div><div class="- topic/div div section" id="id__id4"><strong class="+ topic/ph hi-d/b ph b">原因分析</strong>
<ul class="- topic/ul ul" id="id__ul_qkc_rp5_4dc" data-ofbid="id__ul_qkc_rp5_4dc">
<li class="- topic/li li" data-ofbid="d59491e45__20250123155203">
<p class="- topic/p p" data-ofbid="d59491e47__20250123155203">Recovery
系统升级程序过程中断电,设备重启后能继续进行升级,这是因为当用户执行升级脚本命令后,升级过程信息会被更新保存在环境变量里。</p>
<p class="- topic/p p" data-ofbid="d59491e50__20250123155203">Recovery 系统升级主系统程序过程中断电,程序默认执行 <span class="+ topic/ph sw-d/filepath ph filepath">./usr/lib/swupdate/swupdate_cmd.sh
</span> 命令,可以继续升级。</p>
</li>
<li class="- topic/li li" data-ofbid="d59491e57__20250123155203">
<p class="- topic/p p" data-ofbid="d59491e59__20250123155203">主系统升级程序过程中断电,设备重启没有继续进行升级,这是因为主系统升级 Recovery
系统程序过程中断电,主系统重新启动,环境变量虽然存在,没有自动执行
<span class="+ topic/ph sw-d/filepath ph filepath">./usr/lib/swupdate/swupdate_cmd.sh </span>
命令,启动继续升级过程。</p>
</li>
</ul></div><div class="- topic/div div section" id="id__id5"><strong class="+ topic/ph hi-d/b ph b">应对方法</strong>
<p class="- topic/p p" data-ofbid="d59491e70__20250123155203">主系统升级程序过程中断电,执行 <span class="+ topic/ph sw-d/filepath ph filepath">./usr/lib/swupdate/swupdate_cmd.sh </span>
命令,可以继续中断的升级过程。 </p></div>
</section>
<section class="- topic/section section" id="id__mtd" data-ofbid="id__mtd"><h2 class="- topic/title title sectiontitle"> 使用流控方式升级镜像文件到 mtd 分区失败原因</h2>
<div class="- topic/div div section" id="id__id6">
<strong class="+ topic/ph hi-d/b ph b">现象</strong>
<p class="- topic/p p" data-ofbid="d59491e87__20250123155203">使用流控方式升级镜像文件到 UBI 分区可以正常升级,使用流控方式升级镜像文件到 mtd 分区失败。</p>
</div>
<div class="- topic/div div section" id="id__id7"><strong class="+ topic/ph hi-d/b ph b">原因分析</strong>
<p class="- topic/p p" data-ofbid="d59491e95__20250123155203">UBI 分区设备是字符设备mtd 分区是块设备,不能使能流控方式。</p>
</div>
</section>
<section class="- topic/section section" id="id__webmtd" data-ofbid="id__webmtd"><h2 class="- topic/title title sectiontitle"> 使用 WEB 方式升级镜像文件到 mtd 分区失败原因</h2>
<div class="- topic/div div section" id="id__id8">
<strong class="+ topic/ph hi-d/b ph b">现象</strong>
<p class="- topic/p p" data-ofbid="d59491e110__20250123155203">使用 WEB 方式升级镜像文件到 mtd 分区,之前升级正常,改变镜像大小后,升级失败了。</p>
</div>
<div class="- topic/div div section" id="id__id9">
<strong class="+ topic/ph hi-d/b ph b">原因分析</strong>
<p class="- topic/p p" data-ofbid="d59491e119__20250123155203">mtd 分区是块设备,不能使能流控方式,需要先下载对应的升级镜像到内存上,镜像大小改变后,如果内存空间不够用,升级会失败。</p>
</div>
<div class="- topic/div div section" id="id__id10">
<strong class="+ topic/ph hi-d/b ph b">应对方法</strong>
<p class="- topic/p p" data-ofbid="d59491e128__20250123155203">保证有足够的内存空间放置烧录镜像文件。</p>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#id__id2" data-tocid="id__id2">升级过程中断电,如何继续升级</a></div></li><li class="section-item"><div class="section-title"><a href="#id__mtd" data-tocid="id__mtd"> 使用流控方式升级镜像文件到 mtd 分区失败原因</a></div></li><li class="section-item"><div class="section-title"><a href="#id__webmtd" data-tocid="id__webmtd"> 使用 WEB 方式升级镜像文件到 mtd 分区失败原因</a></div></li></ul></div>
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<span class="close oxy-icon oxy-icon-remove"></span>
<div id="modal_img_container"></div>
<div id="caption"></div>
</div>
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
</body>
</html>