{"id":102492,"date":"2021-12-06T15:36:44","date_gmt":"2021-12-06T13:36:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizorov-xen-4-16-i-intel-cloud-hypervisor-20-0"},"modified":"2021-12-06T15:36:44","modified_gmt":"2021-12-06T13:36:44","slug":"vypusk-gipervizorov-xen-4-16-i-intel-cloud-hypervisor-20-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypusk-gipervizorov-xen-4-16-i-intel-cloud-hypervisor-20-0","title":{"rendered":"Xeni 4.16 ja Intel Cloud Hypervisor 20.0 h\u00fcperviisorite v\u00e4ljalase","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast kaheksa kuu arengut on v\u00e4lja antud vabavaraline h\u00fcperviisor Xen 4.16. Uue versiooni arendamisse on kaasatud sellised ettev\u00f5tted nagu Amazon, Arm, Bitdefender, Citrix ja EPAM Systems. Xen 4.16 haru v\u00e4rskenduste v\u00e4ljaandmine kestab kuni 2. juunini 2023, samas kui haavatavuste paranduste avaldamine kestab kuni 2. detsembrini 2024.      <\/p>\n<p>Xen 4.16 peamised muudatused:   <\/p>\n<ul>\n<li class=\"l\"> TPM Manageris, mis v\u00f5imaldab virtuaalsete kiipide t\u00f6\u00f6tamist kr\u00fcptov\u00f5tmete salvestamiseks (vTPM), mis p\u00f5hinevad \u00fchisel f\u00fc\u00fcsilisel TPM-il (Trusted Platform Module), on tehtud parandusi TPM 2.0 spetsifikatsiooni toe j\u00e4rgmiseks rakendamiseks.\n<li class=\"l\"> Suurenenud s\u00f5ltuvus PV Shimist, mis on vajalik muutmata paravirutaliseeritud k\u00fclalis\u00fcsteemide (PV) k\u00e4itamiseks PVH ja HVM keskkondades. Edaspidi on 32-bitiste paravirutaliseeritud k\u00fclalis\u00fcsteemide kasutamine v\u00f5imalik vaid PV Shim re\u017eiimis, mis v\u00e4hendab kohtade arvu h\u00fcperviisoris, kus v\u00f5ivad esineda haavatavused.\n<li class=\"l\"> Lisatud v\u00f5imalus k\u00e4ivitada seadmetes Intel ilma programmeeritava ajastiga (PIT, Programmable Interval Timer).\n<li class=\"l\"> Vana komponentide puhastus on l\u00e4bi viidud, vaikimisi koodi \"qemu-xen-traditional\" ja PV-Grub koostamine on l\u00f5petatud (Xeni spetsiifiliste forkide vajadus kadus p\u00e4rast Xen toe \u00fcleviimist QEMU ja Grubi p\u00f5hikoostisse).\n<li class=\"l\"> ARM arhitektuuriga k\u00fclalis\u00fcsteemide jaoks on rakendatud esialgne tugi virtualiseeritud j\u00f5udluse j\u00e4lgimise (Performance Monitor Counters) jaoks.\n<li class=\"l\"> Parandatud on dom0less-re\u017eiimi tuge, mis v\u00f5imaldab k\u00e4ivitada ilma dom0 keskkonna seadistamiseta. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/vps\/\"   title=\"virtuaalmasinad\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2079\">virtuaalmasinad<\/a> serveri varajases laadimisfaasis. Tehtud muudatused v\u00f5imaldasid rakendada 64-bitiste ARM s\u00fcsteemide tuge EFI-firmwaredega.\n<li class=\"l\"> Parandatud on heterogeense 64-bitise ARM arhitektuuriga big.LITTLE s\u00fcsteemide tuge, mis kombineerivad \u00fches kiibis v\u00f5imsad, kuid energiaintensiivsed s\u00fcdamikud ja v\u00e4hem efektiivsed, kuid energias\u00e4\u00e4stlikud s\u00fcdamikud.    <\/ul>\n<p>Samas avaldas Intel ka Cloud Hypervisor 20.0, mis p\u00f5hineb \u00fchise Rust-VMM projekti komponentidel, kus osalevad ka Alibaba, Amazon, Google ja Red Hat. Rust-VMM on kirjutatud Rust keeles ja v\u00f5imaldab luua spetsiifilisi h\u00fcperviisoreid. Cloud Hypervisor on \u00fcks sellistest h\u00fcperviisoritest, mis pakub k\u00f5rgetasemelist virtuaalmasinate monitori (VMM), mis t\u00f6\u00f6tab KVM-i peal ja on optimeeritud pilves\u00fcsteemide \u00fclesannete lahendamiseks. Projekti kood on saadaval Apache 2.0 litsentsi all.    <\/p>\n<p>Cloud Hypervisor keskendub kaasaegsete Linuxi distributsioonide k\u00e4itamisele virtio p\u00f5hjal t\u00f6\u00f6tavate paravirutaliseeritud seadmete abil. Peamiste \u00fclesannete hulka kuuluvad: k\u00f5rge reageerimisv\u00f5ime, madal m\u00e4lu kasutus, k\u00f5rge j\u00f5udlus, seadistamise lihtsustamine ja v\u00f5imalike r\u00fcnnakuvektorite v\u00e4hendamine. Emulatsiooni tugi on viidud miinimumini ja keskendutakse paravirutaliseerimisele. Praegu toetatakse ainult x86_64 s\u00fcsteeme, kuid plaanis on ka AArch64 toetus. K\u00fclalis\u00fcsteemide seas toetatakse hetkel ainult 64-bitiseid Linuxi versioone. CPU, m\u00e4lu, PCI ja NVDIMM seadistamine toimub ehitusetapis. On ette n\u00e4htud v\u00f5imalus virtuaalmasinate migreerimiseks. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-dusseldorf\/\"   title=\"serveritega\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3446\">serveritega<\/a>.       <\/p>\n<p>Uues versioonis:  <\/p>\n<ul>\n<li class=\"l\">  x86_64 ja aarch64 arhitektuuride jaoks on n\u00fc\u00fcd lubatud luua kuni 16 PCI-segmenti, mis suurendab lubatud PCI-seadmete koguarvu 31-lt 496-le.\n<li class=\"l\"> Tehtud on tugi virtuaalsete CPU-de sidumiseks f\u00fc\u00fcsiliste CPU-de s\u00fcdamikega (CPU pinning). Iga vCPU jaoks saab n\u00fc\u00fcd m\u00e4\u00e4rata piiratud hulga hosti CPU-sid, millel on lubatud t\u00f6\u00f6tada, mis v\u00f5ib olla kasulik hosti ja k\u00fclalis\u00fcsteemi ressursside otsemustamiseks (1:1) v\u00f5i kui virtuaalmasin peab t\u00f6\u00f6tama konkreetse NUMA s\u00f5lme peal.\n<li class=\"l\"> Parandatud on sisend\/v\u00e4ljund virtualiseerimise tuge. Iga VFIO piirkond saab n\u00fc\u00fcd peegelduda m\u00e4lusse, v\u00e4hendades virtuaalmasinast v\u00e4ljapanekute arvu ning suurendades seadmete probimise j\u00f5udlust.\n<li class=\"l\"> Rust keeles on tehtud t\u00f6\u00f6d unsafe-sektsioonide asendamiseks alternatiivsete implementatsioonidega, mis toimuvad safe re\u017eiimis. J\u00e4\u00e4nud unsafe-sektsioonidele on lisatud \u00fcksikasjalikud kommentaarid, mis selgitavad, miks s\u00e4ilitada unsafe-kood v\u00f5ib olla ohutu.  <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56278\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.16. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Amazon, Arm, Bitdefender, Citrix \u0438 EPAM Systems. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 Xen 4.16 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e 2 \u0438\u044e\u043d\u044f 2023 \u0433\u043e\u0434\u0430, \u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0434\u043e 2 \u0434\u0435\u043a\u0430\u0431\u0440\u044f 2024 \u0433\u043e\u0434\u0430. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Xen 4.16: \u0412 TPM Manager, [&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-102492","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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