{"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\/novosti-interneta\/mehanizm-kexec-handover-dlya-perezagruzki-yadra-linux-bez-poteri-sostoyaniya","title":{"rendered":"Kexec HandOver-Mechanismus f\u00fcr den Neustart des Linux-Kernels ohne Verlust des Zustands","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In der Kernel-Mailingliste wurde die sechste Version der Patches zur Implementierung des Kexec HandOver (KHO) Mechanismus vorgestellt, der von Ingenieuren der Unternehmen Amazon, Microsoft und Google entwickelt wird. Die Patches wurden bereits in den mm-everything-Branch aufgenommen, in dem \u00c4nderungen f\u00fcr den zuk\u00fcnftigen Kernel 6.16 gesammelt werden, die mit dem Speichermanagement zusammenh\u00e4ngen. Auf Basis von Kexec HandOver entwickelt Google das Live Update Orchestrator (LUO) Subsystem, das es erm\u00f6glicht, den Kernel ohne Unterbrechung des Ger\u00e4tebetriebs neu zu starten.    <\/p>\n<p>Kexec HandOver erm\u00f6glicht das Starten eines neuen Kernels aus einem alten, ohne den Systemzustand zu verlieren. Aktuell agiert der Aufruf von kexec() lediglich als Bootloader, der das neue Kernel startet, welches daraufhin das System vollst\u00e4ndig neu initialisiert, was einem Neustart entspricht, jedoch ohne das Eingreifen der Firmware. Die vorgeschlagene Patch-Serie verfolgt einen anderen Ansatz. Bevor die Kontrolle an die neue Kernelversion \u00fcbergeben wird, wird der Zustand der Schl\u00fcsselunterst\u00fctzungssysteme des Kernels in einem Speicherbereich serialisiert, der durch weitere Operationen nicht betroffen ist. Der neue Kernel, der die Kontrolle \u00fcbernimmt, stellt den serialisierten Zustand wieder her. Aus der Sicht anderer Programme bleibt der Vorgang des Kernelwechsels unbemerkt.    <\/p>\n<p>Kexec HandOver kann in Situationen n\u00fctzlich sein, in denen ein Stopp unzul\u00e4ssig ist und ein kontinuierlicher Betrieb einzelner Ger\u00e4te sichergestellt werden muss. Zum Beispiel kann Kexec HandOver auf Virtualisierungsservern verwendet werden, um den Kernel (und den Hypervisor) zu aktualisieren, ohne den Speicher, der von virtuellen Maschinen belegt ist, zu beeintr\u00e4chtigen und den Zustand ihrer Ausf\u00fchrung zu erhalten. <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 Speicher zu ber\u00fchren, der von virtuellen Maschinen verwendet wird, und den Zustand ihrer Ausf\u00fchrung zu bewahren.<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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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\u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\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 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Linux-Kernels ohne Zustandverlust | ProHoster","description":"In der Mailingliste des Linux-Kernels wird die sechste Version der Patches mit der Implementierung des Kexec HandOver (KHO) Mechanismus vorgestellt, der von Ingenieuren der Unternehmen Amazon, Microsoft und Google entwickelt wird. Die Patches wurden bereits in den mm-everything Branch aufgenommen, der \u00c4nderungen f\u00fcr den kommenden Kernel 6.16 Branch zur Speicherverwaltung sammelt. Basierend auf Kexec HandOver entwickelt Google das Live Update Orchestrator (LUO) Subsystem.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/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 \u043f\u043e\u0442\u0435\u0440\u0438 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