{"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\/cs\/blog\/news\/v-yadro-linux-dobavlen-live-update-orchestrator-dlya-obnovleniya-v-live-rezhime","title":{"rendered":"Do j\u00e1dra Linuxu byl p\u0159id\u00e1n Live Update Orchestrator pro aktualizace v Live re\u017eimu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Do k\u00f3du j\u00e1dra Linux, na z\u00e1klad\u011b kter\u00e9ho bude za\u010d\u00e1tkem \u00fanora vytvo\u0159ena verze 6.19, byl p\u0159ijat k\u00f3d pod-syst\u00e9mu LUO (Live Update Orchestrator), vyvinut\u00fd spole\u010dnost\u00ed Google pro aktualizaci j\u00e1dra v re\u00e1ln\u00e9m \u010dase bez fyzick\u00e9ho restartu. Pod-syst\u00e9m je zalo\u017een na mechanismu KHO (Kexec HandOver), kter\u00fd byl d\u0159\u00edve p\u0159id\u00e1n do j\u00e1dra 6.16 a umo\u017e\u0148uje spustit nov\u00e9 j\u00e1dro ze star\u00e9ho bez ztr\u00e1ty stavu syst\u00e9mu. <\/p>\n

Live Update Orchestrator umo\u017e\u0148uje plnohodnotn\u011b restartovat a aktualizovat j\u00e1dro bez zastaven\u00ed provozu a bez ztr\u00e1ty stavu syst\u00e9mu, za\u0159\u00edzen\u00ed a proces\u016f. Krom\u011b funkcionality KHO pod-syst\u00e9m LUO uchov\u00e1v\u00e1 stav za\u0159\u00edzen\u00ed a opera\u010dn\u00ed pam\u011bti, a tak\u00e9 zaji\u0161\u0165uje plynulost operac\u00ed spojen\u00fdch s DMA a zpracov\u00e1n\u00edm p\u0159eru\u0161en\u00ed. Stav je zachov\u00e1n a\u017e do p\u0159epnut\u00ed na nov\u00e9 j\u00e1dro a po aktivaci nov\u00e9ho j\u00e1dra je obnoven bez naru\u0161en\u00ed nep\u0159etr\u017eit\u00fdch operac\u00ed s za\u0159\u00edzen\u00edmi, kter\u00e9 prov\u00e1d\u011bj\u00ed syst\u00e9m a aplikace v u\u017eivatelsk\u00e9m prostoru. <\/p>\n

Vlastnost\u00ed nov\u00e9 s\u00e9rie oprav je mo\u017enost uchov\u00e1vat popisova\u010de soubor\u016f memfd pro udr\u017een\u00ed stavu d\u016fle\u017eit\u00fdch dat v pam\u011bti mezi restartov\u00e1n\u00edmi, jako je obsah opera\u010dn\u00ed pam\u011bti. virtu\u00e1ln\u00edch stroj\u016f<\/a>Jako hlavn\u00ed oblast pou\u017eit\u00ed pod-syst\u00e9mu je zm\u00edn\u011bno rychl\u00e9 aktualizace servery<\/a> s virtualiza\u010dn\u00edmi syst\u00e9my zalo\u017een\u00fdmi na hypervizoru KVM, za \u00fa\u010delem odstran\u011bn\u00ed probl\u00e9m\u016f s bezpe\u010dnost\u00ed a stabilitou p\u0159i minim\u00e1ln\u00edm \u010dase prostoj\u016f virtu\u00e1ln\u00edch stroj\u016f. Spole\u010dnost Google ji\u017e tuto technologii pou\u017e\u00edv\u00e1 ve sv\u00fdch pracovn\u00edch prost\u0159ed\u00edch. <\/p>\n

Na rozd\u00edl od livepatch, Ksplice, kpatch, kGraft a dal\u0161\u00edch mechanism\u016f hork\u00e9ho nal\u00e9v\u00e1n\u00ed patch\u016f, nov\u00fd pod-syst\u00e9m nen\u00ed omezen na mo\u017enost aplikace jednotliv\u00fdch oprav na b\u011b\u017e\u00edc\u00ed j\u00e1dro a umo\u017e\u0148uje plnohodnotnou v\u00fdm\u011bnu j\u00e1dra. Na rozd\u00edl od vol\u00e1n\u00ed kexec pod-syst\u00e9m LUO uchov\u00e1v\u00e1 stav za\u0159\u00edzen\u00ed a pod-syst\u00e9m\u016f j\u00e1dra mezi restartov\u00e1n\u00edmi, zat\u00edmco vol\u00e1n\u00ed kexec funguje pouze jako bootloader, kter\u00fd spou\u0161t\u00ed nov\u00e9 j\u00e1dro s plnou reinicializac\u00ed syst\u00e9mu (ekvivalent restartu, ale bez p\u0159ed\u00e1n\u00ed kontroly firmware).
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Do j\u00e1dra Linux byl p\u0159id\u00e1n Live Update Orchestrator pro aktualizace v re\u00e1ln\u00e9m \u010dase | ProHoster","description":"Do k\u00f3du j\u00e1dra Linux, na z\u00e1klad\u011b kter\u00e9ho bude za\u010d\u00e1tkem \u00fanora vytvo\u0159ena verze 6.19, byl p\u0159ijat k\u00f3d pod-syst\u00e9mu LUO (Live Update Orchestrator), vyvinut\u00fd spole\u010dnost\u00ed Google pro aktualizaci j\u00e1dra v 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