{"id":123507,"date":"2025-04-15T15:05:07","date_gmt":"2025-04-15T13:05:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/mehanizm-kexec-handover-dlya-perezagruzki-yadra-linux-bez-poteri-sostoyaniya"},"modified":"2025-04-15T15:05:07","modified_gmt":"2025-04-15T13:05:07","slug":"mehanizm-kexec-handover-dlya-perezagruzki-yadra-linux-bez-poteri-sostoyaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/mehanizm-kexec-handover-dlya-perezagruzki-yadra-linux-bez-poteri-sostoyaniya","title":{"rendered":"Der Kexec HandOver Mechanismus zum Neustart des Linux-Kernels ohne Verlust des Zustands.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In der Mailingliste des Linux-Kernels wurde die sechste Version der Patches vorgestellt, die den Kexec HandOver (KHO) Mechanismus implementieren, entwickelt von Ingenieuren der Unternehmen Amazon, Microsoft und Google. Die Patches wurden bereits in den mm-everything Branch aufgenommen, in dem \u00c4nderungen f\u00fcr den zuk\u00fcnftigen Kernel Branch 6.16 in Bezug auf das Speichermanagement gesammelt werden. Auf Basis von Kexec HandOver entwickelt Google das Subsystem Live Update Orchestrator (LUO), das es erm\u00f6glicht, den Kernel neu zu starten, ohne den Betrieb der Ger\u00e4te zu unterbrechen.    <\/p>\n<p>Kexec HandOver bietet die M\u00f6glichkeit, einen neuen Kernel aus dem alten zu starten, ohne den Zustand des Systems zu verlieren. Momentan funktioniert der Aufruf von kexec() nur als Loader, der einfach einen neuen Kernel startet, der danach das System vollst\u00e4ndig neu initialisiert, was einem Neustart entspricht, nur ohne das Eingreifen der Firmware. Die vorgeschlagene Patch-Serie implementiert einen anderen Ansatz. Vor der \u00dcbergabe der Kontrolle an die neue KERNEL-Version wird der Zustand der Schl\u00fcssel-Subsysteme des Kernels in einem Speicherbereich serialisiert, der von weiteren Operationen nicht ber\u00fchrt wird. Der neue Kernel stellt dann, nach Erhalt der Kontrolle, den serialisierten Zustand wieder her. Aus Sicht der anderen Programme ist die Operation des Kernelwechsels unsichtbar.    <\/p>\n<p>Kexec HandOver kann n\u00fctzlich sein in Situationen, in denen ein Stopp nicht akzeptabel ist und ein kontinuierlicher Betrieb einzelner Ger\u00e4te sichergestellt werden muss. Beispielsweise kann Kexec HandOver auf Virtualisierungsservern verwendet werden, um den Kernel (und den Hypervisor) zu aktualisieren, ohne den Speicher zu beeinflussen, der von virtuellen Maschinen belegt ist, und den Zustand ihrer Ausf\u00fchrung aufrechtzuerhalten. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4438\">KVM<\/a>), ohne den von virtuellen Maschinen belegten Speicher zu beeinflussen, und den Zustand ihrer Ausf\u00fchrung aufrechtzuerhalten.<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63075\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0448\u0435\u0441\u0442\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 Kexec HandOver (KHO), \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Amazon, Microsoft \u0438 Google. \u041f\u0430\u0442\u0447\u0438 \u0443\u0436\u0435 \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0432 \u0432\u0435\u0442\u043a\u0443 mm-everything, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u043a\u043e\u043f\u043b\u0435\u043d\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0431\u0443\u0434\u0443\u0449\u0435\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 6.16, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u044c\u044e. \u041d\u0430 \u0431\u0430\u0437\u0435 Kexec HandOver \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 Live Update Orchestrator (LUO), [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-123507","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 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vorgestellt, die den Kexec HandOver (KHO) Mechanismus implementieren, entwickelt von Ingenieuren der Unternehmen Amazon, Microsoft und Google.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/news\/mehanizm-kexec-handover-dlya-perezagruzki-yadra-linux-bez-poteri-sostoyaniya","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041c\u0435\u0445\u0430\u043d\u0438\u0437\u043c Kexec HandOver \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u0431\u0435\u0437 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