{"id":150951,"date":"2025-12-09T11:12:32","date_gmt":"2025-12-09T09:12:32","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadro-linux-dobavlen-live-update-orchestrator-dlya-obnovleniya-v-live-rezhime"},"modified":"2025-12-09T11:12:32","modified_gmt":"2025-12-09T09:12:32","slug":"v-yadro-linux-dobavlen-live-update-orchestrator-dlya-obnovleniya-v-live-rezhime","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/v-yadro-linux-dobavlen-live-update-orchestrator-dlya-obnovleniya-v-live-rezhime","title":{"rendered":"Im Linux-Kernel wurde der Live Update Orchestrator f\u00fcr Live-Updates hinzugef\u00fcgt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In den Code-Basis des Linux-Kernels, auf dessen Grundlage Anfang Februar die Version 6.19 ver\u00f6ffentlicht wird, wurde der Code des LUO (Live Update Orchestrator)-Subsystems \u00fcbernommen, das von Google entwickelt wurde, um das Kernel-Update im Live-Betrieb ohne physikalischen Neustart durchzuf\u00fchren. Das Subsystem basiert auf dem KHO (Kexec HandOver)-Mechanismus, der zuvor in den Kernel 6.16 eingef\u00fchrt wurde und die M\u00f6glichkeit bietet, einen neuen Kernel aus einem alten heraus zu starten, ohne den Zustand des Systems zu verlieren.     <\/p>\n<p>Der Live Update Orchestrator erm\u00f6glicht es, das Kernel vollst\u00e4ndig neu zu starten und zu aktualisieren, ohne den Betrieb zu unterbrechen und ohne den Zustand des Systems, der Ger\u00e4te und Prozesse zu verlieren. Neben der Funktionalit\u00e4t des KHO speichert das LUO-Subsystem den Zustand der Ger\u00e4te und des RAM und gew\u00e4hrleistet eine ununterbrochene Ausf\u00fchrung von Operationen, die mit DMA und der Interrupt-Verarbeitung verbunden sind. Der Zustand wird bis zum Wechsel zu dem neuen Kernel gespeichert und nach der Aktivierung des neuen Kernels wiederhergestellt, ohne die kontinuierlichen Operationen mit Ger\u00e4ten, die vom System und den Anwendungen im Benutzerspeicher durchgef\u00fchrt werden, zu unterbrechen.     <\/p>\n<p>Ein besonderes Merkmal der neuen Patch-Serie ist die M\u00f6glichkeit, die Dateideskriptoren memfd zu speichern, um den Zustand wichtiger Daten im Speicher zwischen den Neustarts zu erhalten, wie den Inhalt des RAM. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/vps\/\"   title=\"virtuelle Maschinen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2245\">virtuelle Maschinen<\/a>. Als Hauptanwendungsgebiet des Subsystems wird das schnelle Update erw\u00e4hnt <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/\"   title=\"Server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1800\">Server<\/a> mit Virtualisierungssystemen auf Basis des KVM-Hypervisors, um Sicherheits- und Stabilit\u00e4tsprobleme mit minimaler Ausfallzeit virtueller Maschinen zu beheben. Google nutzt diese Technologie bereits in seinen Arbeitsumgebungen.    <\/p>\n<p>Im Gegensatz zu Livepatch, Ksplice, kpatch, kGraft und anderen Mechanismen zum Hot-Patching ist das neue Subsystem nicht auf die Anwendung einzelner Korrekturen auf einem aktiven Kernel beschr\u00e4nkt und erm\u00f6glicht es, den Kernel vollst\u00e4ndig zu ersetzen. Im Gegensatz zum Kexec-Aufruf speichert das LUO-Subsystem den Zustand der Ger\u00e4te und der Kernel-Subsysteme zwischen Neustarts, w\u00e4hrend der Kexec-Aufruf lediglich als Bootloader fungiert, der einen neuen Kernel mit einer vollst\u00e4ndigen Reinitialisierung des Systems startet (\u00e4quivalent zu einem Neustart, jedoch ohne Kontrolle an die Firmware zu \u00fcbergeben).<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64397\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u044f\u0434\u0440\u0430 Linux, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u0444\u0435\u0432\u0440\u0430\u043b\u044f \u0431\u0443\u0434\u0435\u0442 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 6.19, \u043f\u0440\u0438\u043d\u044f\u0442 \u043a\u043e\u0434 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b LUO (Live Update Orchestrator), \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Google \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u044f\u0434\u0440\u0430 \u0432 Live-\u0440\u0435\u0436\u0438\u043c\u0435 \u0431\u0435\u0437 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438. \u041f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0431\u0430\u0437\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0435 KHO (Kexec HandOver), \u0440\u0430\u043d\u0435\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u043c \u0432 \u044f\u0434\u0440\u043e 6.16 \u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0435\u043c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u044f\u0434\u0440\u0430 \u0438\u0437 \u0441\u0442\u0430\u0440\u043e\u0433\u043e \u0431\u0435\u0437 \u043f\u043e\u0442\u0435\u0440\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f [&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-150951","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 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