{"id":184188,"date":"2026-11-08T23:41:05","date_gmt":"2026-11-08T21:41:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/predstavlen-kmorph-dlya-bystrogo-vosstanovleniya-posle-sboya-ili-obnovleniya-yadra-linux"},"modified":"2026-11-08T23:41:09","modified_gmt":"2026-11-08T21:41:09","slug":"kmorph-introduced-for-fast-recovery-after-a-linux-kernel-crash-or-update","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/kmorph-introduced-for-fast-recovery-after-a-linux-kernel-crash-or-update","title":{"rendered":"Pied\u0101v\u0101ts kmorph \u0101trai atjauno\u0161anai p\u0113c av\u0101rijas vai Linux kodola atjaunin\u0101\u0161anas","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Multikernel projekta izstr\u0101d\u0101t\u0101ji, kas \u013cauj vien\u0101 fiziskaj\u0101 dator\u0101 darbin\u0101t vair\u0101kus neatkar\u012bgus kodola instancus bez hipervizora un virtualiz\u0101cijas, ir pied\u0101v\u0101ju\u0161i kmorph r\u012bku, kas nodro\u0161ina l\u012bdzek\u013cus \u0101trai atjauno\u0161anai p\u0113c Linux kodola av\u0101rijas apst\u0101\u0161an\u0101s vai kodola nomai\u0146ai Live-re\u017e\u012bm\u0101 bez pilnas restart\u0113\u0161anas. Projekta att\u012bst\u012b\u0161ana notiek Konga Vanga (Cong Wang) vad\u012bb\u0101, kur\u0161 uztur satiksmes vad\u012bbas (TC, Traffic Control) apak\u0161sist\u0113mu kodol\u0101. \u0100tras restart\u0113\u0161anas metode balst\u0101s uz rezerves kodola iepriek\u0161\u0113ju iel\u0101d\u0113\u0161anu atmi\u0146\u0101, kas aizvieto galveno darba kodolu av\u0101rijas gad\u012bjum\u0101 vai nepiecie\u0161am\u012bbas gad\u012bjum\u0101 p\u0101rejai uz jauno versiju. <\/p>\n

Ieteiktais pieejas veids \u013cauj iztikt bez pilnas restart\u0113\u0161anas un gandr\u012bz nekav\u0113joties ats\u0101kt darbu, samazinot d\u012bkst\u0101ves laiku l\u012bdz minimumam. \u0160obr\u012bd, ja kodols av\u0101rij\u0101 apst\u0101jas, liela m\u0113roga pilna restart\u0113\u0161ana serveriem<\/a> aiz\u0146em da\u017eas min\u016btes, jo ilgie aparat\u016bras inicializ\u0101cijas procesi, sist\u0113mas vides iel\u0101de un kodola atmi\u0146as dumpa saglab\u0101\u0161ana, izmantojot kdump, notiek. Faktiski, izmantojot kdump, tiek veiktas divas kodola restart\u0113\u0161anas - vispirms, izmantojot kexec, tiek iel\u0101d\u0113ta atsevi\u0161\u0137a kodola instance, lai saglab\u0101tu atmi\u0146as dumpu, p\u0113c tam tiek iel\u0101d\u0113ts darba kodols un palaisti sist\u0113mas pakalpojumi.<\/p>\n

Ja tiek izmantots kmorph attiec\u012bb\u0101 uz atsevi\u0161\u0137u CPU kodolu, atmi\u0146\u0101 iepriek\u0161 tiek iel\u0101d\u0113ts rezerves Linux kodols un minim\u0101la sist\u0113mas vide, kas uzrauga galven\u0101 kodola st\u0101vokli. Ja galvenais kodols iespr\u016bst vai non\u0101k panikas st\u0101vokl\u012b, rezerves vide p\u0101r\u0146em kontroli, saglab\u0101 boj\u0101t\u0101 kodola atmi\u0146as notikumu un p\u0101rsl\u0113dz uz sevi procesoru kodolus, atmi\u0146u, ier\u012bces, t\u012bkla konfigur\u0101ciju un FSh. <\/p>\n

P\u0101rsl\u0113g\u0161anu koordin\u0113 divas programmas: kmorph - tiek palaista akt\u012bvaj\u0101 vid\u0113, form\u0113jot rezerves vides saturu un sinhroniz\u0113jot taj\u0101 t\u012bkla st\u0101vokli; kmorphd - tiek palaista rezerves vid\u0113 un uzrauga akt\u012bv\u0101s vides st\u0101vokli. Papildus p\u0101rsl\u0113g\u0161anai av\u0101rijas gad\u012bjum\u0101 tiek nodro\u0161in\u0101ta iesp\u0113ja izmantot kmorph, lai atjaunin\u0101tu kodolu bez tradicion\u0101l\u0101s restart\u0113\u0161anas. Lai pa\u0101trin\u0101tu atjauno\u0161anu rezerves vid\u0113, papildus kodolam un minim\u0101lajai sist\u0113mas komponentu kopai gaid\u012b\u0161anas re\u017e\u012bm\u0101 var tikt palaisti tipiski pakalpojumi, piem\u0113ram, nginx. \u0160aj\u0101 gad\u012bjum\u0101 aktiviz\u0113jot rezerves vidi, pakalpojums nginx jau b\u016bs iel\u0101d\u0113ts atmi\u0146\u0101 un uzreiz s\u0101ks apstr\u0101d\u0101t piepras\u012bjumus p\u0113c p\u0101rslaik\u0161an\u0101s uz jauno t\u012bkla kartes vidi, aktiviz\u0113jot t\u012bkla konfigur\u0101ciju un mainot saknes FS.<\/p>\n

Veiktajos testos serveris ar nginx, izmantojot kmorph, ats\u0101k darbu aptuveni divu sekun\u017eu laik\u0101 p\u0113c kodola k\u013c\u016bmes, ta\u010du n\u0101kotn\u0113 pl\u0101nots pan\u0101kt t\u016bl\u012bt\u0113ju p\u0101rsl\u0113g\u0161anos, kas b\u016btu neman\u0101ma savienotajiem klientiem. Pa\u0161laik kmorph atbalsta x86_64 un ARM64 arhitekt\u016bras, un tiek str\u0101d\u0101ts pie RISC-V atbalsta. Kmorph integr\u0101cija Linux izplat\u012bjumos tiek veikta analogi kdump atbalstam, izmantojot standarta r\u012bkus dracut, initramfs-tools, kernel-install un systemd pakalpojumu.<\/p>\n

Kodol\u0101 jau ir iek\u013cauti meh\u0101nismi Kexec HandOver (KHO) un Live Update Orchestrator (LUO), kas \u013cauj palaist jaunu kodolu no vec\u0101 bez sist\u0113mas st\u0101vok\u013ca zuduma un bez ier\u012b\u010du darb\u012bbas aptur\u0113\u0161anas. Ta\u010du tie nevar tikt izmantoti kodola k\u013c\u016bmes gad\u012bjum\u0101, jo prasa, lai b\u016btu saglab\u0101ts str\u0101d\u0101jo\u0161a kodola st\u0101voklis. KHO un LUO ar\u012b atpaliek no kmorph \u0101truma zi\u0146\u0101, jo kmorph jaunais kodols jau ir atmi\u0146\u0101, bet KHO un LUO prasa kodola restart\u0113\u0161anu, izmantojot kexec.
\n
Avots: opennet.lv<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Multikernel, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b\u0445 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u043e\u0432 \u044f\u0434\u0440\u0430 \u0431\u0435\u0437 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 kmorph, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0439 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0431\u044b\u0441\u0442\u0440\u043e\u0433\u043e \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u0441\u043b\u0435 \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e\u0439 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u0438\u043b\u0438 \u0434\u043b\u044f \u0437\u0430\u043c\u0435\u043d\u044b \u044f\u0434\u0440\u0430 \u0432 Live-\u0440\u0435\u0436\u0438\u043c\u0435 \u0431\u0435\u0437 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u041a\u043e\u043d\u0433 \u0412\u0430\u043d\u0433 (Cong Wang), \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u043e\u043c (TC, Traffic Control) \u0432 \u044f\u0434\u0440\u0435. \u041c\u0435\u0442\u043e\u0434 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-184188","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\n","aioseo_head_json":{"title":"\ud83e\udd47Prezent\u0113ts kmorph \u0101trai atjauno\u0161anai p\u0113c k\u013c\u016bmes vai kodola Linux atjaunin\u0101\u0161anai | ProHoster","description":"Multikernel projekta izstr\u0101d\u0101t\u0101ji, kas \u013cauj vien\u0101 fiziskaj\u0101 dator\u0101 darbin\u0101t vair\u0101kus neatkar\u012bgus kodolu piem\u0113rus bez hypervizora un virtualiz\u0101cijas, ir prezent\u0113ju\u0161i kmorph r\u012bku komplektu, kas \u012bsteno \u0161os l\u012bdzek\u013cus.","canonical_url":"https:\/\/prohoster.info\/lv\/blog\/news\/kmorph-introduced-for-fast-recovery-after-a-linux-kernel-crash-or-update","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"lv_LV","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\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d kmorph 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\u0431\u0435\u0437 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 kmorph, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0439 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