{"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\/hu\/blog\/news\/vypusk-gipervizorov-xen-4-16-i-intel-cloud-hypervisor-20-0","title":{"rendered":"A Xen 4.16 \u00e9s az Intel Cloud Hypervisor 20.0 hipervizorok kiad\u00e1sa.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nyolc h\u00f3napos fejleszt\u00e9s ut\u00e1n megjelent a Xen 4.16 szabad hypervisor verzi\u00f3ja. Az \u00faj kiad\u00e1s fejleszt\u00e9s\u00e9ben olyan c\u00e9gek vettek r\u00e9szt, mint az Amazon, Arm, Bitdefender, Citrix \u00e9s az EPAM Systems. A Xen 4.16 \u00e1g friss\u00edt\u00e9sei 2023. j\u00fanius 2-ig folytat\u00f3dnak, m\u00edg a biztons\u00e1gi hib\u00e1k jav\u00edt\u00e1sa 2024. december 2-ig tart.      <\/p>\n<p>A Xen 4.16 kulcsfontoss\u00e1g\u00fa v\u00e1ltoz\u00e1sai:   <\/p>\n<ul>\n<li class=\"l\"> A TPM Manager, amely lehet\u0151v\u00e9 teszi a virtu\u00e1lis chippek m\u0171k\u00f6d\u00e9s\u00e9t a kriptogr\u00e1fiai kulcsok t\u00e1rol\u00e1s\u00e1ra (vTPM), amelyeket a k\u00f6z\u00f6s fizikai TPM (Trusted Platform Module) alapj\u00e1ra \u00e9p\u00edtenek, jav\u00edt\u00e1sokat kapott a TPM 2.0 specifik\u00e1ci\u00f3 t\u00e1mogat\u00e1s\u00e1nak k\u00e9s\u0151bbi megval\u00f3s\u00edt\u00e1s\u00e1hoz.\n<li class=\"l\"> N\u00f6velve lett a PV Shim r\u00e9teghez val\u00f3 f\u00fcgg\u0151s\u00e9g, amelyet a m\u00f3dos\u00edtatlan paravirtualiz\u00e1lt vend\u00e9g rendszerek (PV) m\u0171k\u00f6dtet\u00e9s\u00e9re haszn\u00e1lnak PVH \u00e9s HVM k\u00f6rnyezetben. A j\u00f6v\u0151ben a 32-bites paravirtualiz\u00e1lt vend\u00e9g rendszerek haszn\u00e1lata csak PV Shim m\u00f3dban lesz lehets\u00e9ges, ami cs\u00f6kkenti a hypervisorban azoknak a helyeknek a sz\u00e1m\u00e1t, ahol potenci\u00e1lis sebezhet\u0151s\u00e9gek l\u00e9tezhetnek.\n<li class=\"l\"> Lehet\u0151s\u00e9g lett hozz\u00e1adva Intel eszk\u00f6z\u00f6k ind\u00edt\u00e1s\u00e1ra programozhat\u00f3 id\u0151z\u00edt\u0151 (PIT, Programmable Interval Timer) n\u00e9lk\u00fcl.\n<li class=\"l\"> Elavult komponensek tiszt\u00edt\u00e1sa megt\u00f6rt\u00e9nt, a &#171;qemu-xen-traditional&#187; k\u00f3d alapszerinti \u00f6sszeszerel\u00e9se \u00e9s a PV-Grub le\u00e1llt (a Xen-specifikus forkokra vonatkoz\u00f3 adatok sz\u00fcks\u00e9gess\u00e9ge megsz\u0171nt, miut\u00e1n a Xen t\u00e1mogat\u00e1s\u00fa v\u00e1ltoz\u00e1sok \u00e1tker\u00fcltek a QEMU \u00e9s a Grub f\u0151 \u00f6sszegz\u00e9s\u00e9be).\n<li class=\"l\"> Az ARM architekt\u00far\u00e1j\u00fa vend\u00e9g rendszerek sz\u00e1m\u00e1ra els\u0151dleges t\u00e1mogat\u00e1s val\u00f3sult meg a virtualiz\u00e1lt teljes\u00edtm\u00e9nym\u00e9r\u0151 sz\u00e1ml\u00e1l\u00f3k (Performance Monitor Counters) nyomon k\u00f6vet\u00e9s\u00e9re.\n<li class=\"l\"> Javult a dom0less m\u00f3d t\u00e1mogat\u00e1sa, amely lehet\u0151v\u00e9 teszi a dom0 k\u00f6rnyezet telep\u00edt\u00e9se n\u00e9lk\u00fcli indul\u00e1st a szerver korai boot f\u00e1zis\u00e1ban. A m\u00f3dos\u00edt\u00e1sok lehet\u0151v\u00e9 tett\u00e9k a 64-bites ARM rendszerek EFI firmware-rel val\u00f3 t\u00e1mogat\u00e1s\u00e1t. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/vps\/\"   title=\"virtu\u00e1lis g\u00e9pekhez\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2079\">virtu\u00e1lis g\u00e9pekhez<\/a> Javult a heterog\u00e9n 64-bites ARM rendszerek t\u00e1mogat\u00e1sa, amelyek big.LITTLE architekt\u00far\u00e1ra \u00e9p\u00fclnek, egy chipben er\u0151teljes, de energiaig\u00e9nyes magokat kombin\u00e1lnak, valamint kev\u00e9sb\u00e9 teljes\u00edtm\u00e9nyes, de energiahat\u00e9kony magokat.\n<li class=\"l\"> Jav\u00edtott\u00e1k a heterog\u00e9n 64-bites ARM rendszerek t\u00e1mogat\u00e1s\u00e1t, amelyek big.LITTLE architekt\u00far\u00e1t haszn\u00e1lnak, egy chipben er\u0151teljes, de energiatakar\u00e9kos magokat kombin\u00e1lnak.    <\/ul>\n<p>Ugyanakkor az Intel k\u00f6zz\u00e9tette a Cloud Hypervisor 20.0 verzi\u00f3j\u00e1t, amely a Rust-VMM k\u00f6z\u00f6s projektj\u00e9nek alkot\u00f3elemeire \u00e9p\u00fcl, amelyben az Intel mellett az Alibaba, Amazon, Google \u00e9s a Red Hat is r\u00e9szt vesz. A Rust-VMM a Rust nyelven \u00edr\u00f3dott, \u00e9s lehet\u0151v\u00e9 teszi a specifikus feladatokhoz k\u00e9sz\u00fclt hipervizorok l\u00e9trehoz\u00e1s\u00e1t. A Cloud Hypervisor az egyik ilyen hipervizor, amely egy magas szint\u0171 virtu\u00e1lis g\u00e9pmonitor (VMM), amely a KVM r\u00e9teg\u00e9n m\u0171k\u00f6dik, \u00e9s azokat a feladatokat c\u00e9lozza meg, amelyek a felh\u0151rendszerekre jellemz\u0151ek. A projekt k\u00f3dja Apache 2.0 licenc alatt \u00e9rhet\u0151 el.    <\/p>\n<p>A Cloud Hypervisor a korszer\u0171 Linux disztrib\u00faci\u00f3k futtat\u00e1s\u00e1ra \u00f6sszpontos\u00edt, virtio alap\u00fa paravirtualiz\u00e1lt eszk\u00f6z\u00f6kkel. A f\u0151bb feladatok k\u00f6z\u00e9 tartozik: a magas v\u00e1laszid\u0151, az alacsony mem\u00f3riafogyaszt\u00e1s, a magas teljes\u00edtm\u00e9ny, a konfigur\u00e1ci\u00f3 egyszer\u0171s\u00edt\u00e9se \u00e9s a t\u00e1mad\u00e1si vektorok cs\u00f6kkent\u00e9se. Az emul\u00e1ci\u00f3 t\u00e1mogat\u00e1s\u00e1t a lehet\u0151 legminim\u00e1lisabbra cs\u00f6kkentett\u00e9k, a f\u00f3kusz a paravirtualiz\u00e1ci\u00f3n van. Jelenleg csak x86_64 rendszerek t\u00e1mogatottak, de AArch64 t\u00e1mogat\u00e1sa is tervben van. A vend\u00e9grendszerek k\u00f6z\u00fcl eddig csak a 64 bites Linux verzi\u00f3k t\u00e1mogatottak. A CPU, a mem\u00f3ria, a PCI \u00e9s az NVDIMM konfigur\u00e1l\u00e1sa a buildel\u00e9s sor\u00e1n t\u00f6rt\u00e9nik. Lehet\u0151v\u00e9 van t\u00e9ve a virtu\u00e1lis g\u00e9pek k\u00f6z\u00f6tti migr\u00e1ci\u00f3. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-dusseldorf\/\"   title=\"szerverek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3446\">szerverek<\/a>.       <\/p>\n<p>Az \u00faj verzi\u00f3ban:  <\/p>\n<ul>\n<li class=\"l\">  x86_64 \u00e9s aarch64 architekt\u00far\u00e1k sz\u00e1m\u00e1ra mostant\u00f3l legfeljebb 16 PCI-szegmens l\u00e9trehoz\u00e1sa enged\u00e9lyezett, ami a megengedett PCI-eszk\u00f6z\u00f6k \u00f6sszes\u00edtett sz\u00e1m\u00e1t 31-r\u0151l 496-ra n\u00f6veli.\n<li class=\"l\"> Megval\u00f3s\u00edtott\u00e1k a virtu\u00e1lis CPU-k fizikai CPU-\u00e9r\u00e1khoz val\u00f3 hozz\u00e1rendel\u00e9s\u00e9nek (CPU pinning) t\u00e1mogat\u00e1s\u00e1t. Minden vCPU sz\u00e1m\u00e1ra mostant\u00f3l egy korl\u00e1tozott hoszt CPU-k\u00e9szlet hat\u00e1rozhat\u00f3 meg, amelyeken a v\u00e9grehajt\u00e1s enged\u00e9lyezett, ami hasznos lehet a hoszt \u00e9s a vend\u00e9g rendszer k\u00f6zvetlen (1:1) er\u0151forr\u00e1s-t\u00fckr\u00f6z\u00e9s\u00e9n\u00e9l, vagy amikor egy virtu\u00e1lis g\u00e9pet egy konkr\u00e9t NUMA csom\u00f3ponton futtatunk.\n<li class=\"l\"> Jav\u00edtott\u00e1k a bemeneti\/kimeneti virtualiz\u00e1ci\u00f3 t\u00e1mogat\u00e1s\u00e1t. Minden VFIO r\u00e9gi\u00f3 most m\u00e1r mem\u00f3ri\u00e1ba t\u00fckr\u00f6zhet\u0151, ami cs\u00f6kkenti a virtu\u00e1lis g\u00e9pb\u0151l val\u00f3 kil\u00e9p\u00e9sek sz\u00e1m\u00e1t, \u00e9s lehet\u0151v\u00e9 teszi a virtu\u00e1lis g\u00e9pbe t\u00f6rt\u00e9n\u0151 eszk\u00f6zkib\u0151v\u00edt\u00e9s teljes\u00edtm\u00e9ny\u00e9nek n\u00f6vel\u00e9s\u00e9t.\n<li class=\"l\"> A Rust nyelvben v\u00e9grehajtott\u00e1k az unsafe szekci\u00f3k alternat\u00edv megval\u00f3s\u00edt\u00e1sokra val\u00f3 cser\u00e9j\u00e9t, amelyek biztons\u00e1gos m\u00f3dban futnak. A marad\u00e9k unsafe szekci\u00f3kn\u00e1l r\u00e9szletes megjegyz\u00e9seket f\u0171ztek hozz\u00e1, amelyek magyar\u00e1zz\u00e1k, hogy mi\u00e9rt tekinthet\u0151 a fennmaradt unsafe k\u00f3d biztons\u00e1gosnak.  <\/ul>\n<p>Forr\u00e1s: <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 5.0.3 - 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