{"id":32624,"date":"2019-10-31T21:48:03","date_gmt":"2019-10-31T18:48:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-platformy-virtualizatsii-xenserver-citrix-hypervisor-8-0\/"},"modified":"2019-10-31T21:48:03","modified_gmt":"2019-10-31T18:48:03","slug":"vypusk-platformy-virtualizatsii-xenserver-citrix-hypervisor-8-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-platformy-virtualizatsii-xenserver-citrix-hypervisor-8-0","title":{"rendered":"Lansarea platformei de virtualizare XenServer (Citrix Hypervisor) 8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dup\u0103 trei ani de la formarea ramurii 7.x, compania Citrix <noindex><a rel=\"nofollow\" href=\"https:\/\/www.citrix.com\/blogs\/2019\/04\/25\/citrix-hypervisor-8-0-is-here\/\">a publicat<\/a><\/noindex> lansarea platformei <noindex><a rel=\"nofollow\" href=\"http:\/\/www.xenserver.org\">XenServer 8<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.citrix.com\/products\/citrix-hypervisor\/\">Citrix Hypervisor<\/a><\/noindex>), destinat organiz\u0103rii gestion\u0103rii infrastructurii serverelor de virtualizare bazate pe hypervisorul Xen. XenServer permite desf\u0103\u0219urarea rapid\u0103 a unui sistem de virtualizare pentru servere \u0219i sta\u021bii de lucru, oferind instrumente pentru gestionarea centralizat\u0103 a unui num\u0103r nelimitat de servere \u0219i ma\u0219ini virtuale. <\/p>\n<p>P\u00e2n\u0103 la lansarea versiunii 7.4, XenServer era distribuit ca un proiect open-source, \u00eens\u0103 apoi publicarea noului cod a fost restric\u021bionat\u0103, iar proiectul s-a transformat \u00eentr-un produs proprietar Citrix Hypervisor, cu livrarea unei versiuni gratuite numit\u0103 Express Edition. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.citrix.com\/products\/citrix-hypervisor\/feature-matrix.html\">limitat\u0103<\/a><\/noindex> \u00een func\u021bionalitate \u0219i disponibil\u0103 pentru <noindex><a rel=\"nofollow\" href=\"https:\/\/www.citrix.com\/downloads\/citrix-hypervisor\/\">desc\u0103rcare<\/a><\/noindex> dup\u0103 \u00eenregistrare. De exemplu, dimensiunea cluster-ului pentru Express Edition este limitat\u0103 la 3 noduri, iar \u00een pachet nu se reg\u0103sesc instrumente pentru asigurarea redundan\u021bei, integrarea cu Active Directory, controlul accesului bazat pe roluri (RBAC), gestionarea dinamic\u0103 a memoriei (DMC, D), aplicarea de patch-uri \u00een timpul func\u021bion\u0103rii, instalarea automat\u0103 a actualiz\u0103rilor, migrarea live a stoc\u0103rii, trecerea prin GPU \u0219i virtualizarea acestuia. <\/p>\n<p>\u00cen acela\u0219i timp, o serie de componente XenServer continu\u0103 s\u0103 fie dezvoltate \u00een mod separat cu <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/xenserver\">surs\u0103 deschis\u0103<\/a><\/noindex>. Ca r\u0103spuns la schimbarea naturii produsului, comunitatea a fondat proiectul <noindex><a rel=\"nofollow\" href=\"https:\/\/xcp-ng.github.io\/\">XCP-NG<\/a><\/noindex>, \u00een cadrul c\u0103ruia <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48375\">se dezvolt\u0103<\/a><\/noindex> se ofer\u0103 o alternativ\u0103 liber\u0103 la XenServer, \u00een care au fost incluse func\u021bii excluse din versiunea gratuit\u0103 a XenServer.<\/p>\n<p>Printre caracteristicile XenServer se num\u0103r\u0103: capacitatea de a grupa mai multe servere \u00eentr-un pool (cluster), instrumente pentru asigurarea disponibilit\u0103\u021bii ridicate (High Availability), suport pentru snapshot-uri, partajarea resurselor prin intermediul tehnologiei XenMotion. Se permite migrarea live a ma\u0219inilor virtuale \u00eentre gazdele cluster-ului \u0219i \u00eentre clustere diferite\/gazde individuale (f\u0103r\u0103 stocare comun\u0103), precum \u0219i migrarea live a discurilor VM \u00eentre stoc\u0103ri. Platforma poate func\u021biona cu un num\u0103r mare de sisteme de stocare a informa\u021biilor \u0219i se distinge printr-o interfa\u021b\u0103 simpl\u0103 \u0219i intuitiv\u0103 pentru instalare \u0219i administrare. Gestionarea sistemului se poate realiza prin XenCenter (DotNet), linia de comand\u0103 sau OpenXenManager (Python).<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.citrix.com\/en-us\/citrix-hypervisor\/media\/architecture-overview.png\"><img decoding=\"async\" alt=\"Lansarea platformei de virtualizare XenServer (Citrix Hypervisor) 8.0\" src=\"\/wp-content\/uploads\/2019\/04\/420d810f09f591b4bc2b3e9e80170526.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Principalele <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.citrix.com\/en-us\/citrix-hypervisor\/whats-new.html\">nout\u0103\u021bi<\/a><\/noindex> XenServer 8:<\/p>\n<ul>\n<li class=\"l\"> Imaginile de instalare au fost actualizate la baza de pachete CentOS 7.5. Au fost utilizate kernel Linux 4.19 \u0219i hypervisor <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48953\">Xen 4.11<\/a><\/noindex>;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.citrix.com\/en-us\/citrix-hypervisor\/memory-usage.html\">Modificat<\/a><\/noindex> algoritmul de alocare a memoriei pentru domeniul de gestionare (Dom0): \u00een mod implicit, acum se aloc\u0103 1 GB + 5% din dimensiunea disponibil\u0103 a RAM-ului, dar nu mai mult de 8 GB;\n<li class=\"l\"> Au fost ad\u0103ugate \u0219abloane pentru utilizare \u00een sistemele gazd\u0103 ale distribu\u021biilor SUSE Linux Enterprise Server 15, SUSE Linux Enterprise Desktop 15, CentOS 7.6, Oracle Linux 7.6, Red Hat Enterprise Linux 7.6, Scientific Linux 7.6, CentOS 6.10, Oracle Linux 6.10, Red Hat Enterprise Linux 6.10, Scientific Linux 6.10 \u0219i Windows Server 2019;\n<li class=\"l\"> Suportul pentru \u0219abloanele sistemelor gazd\u0103: Debian 6 Squeeze,<br \/>\n    Ubuntu 12.04, Asianux Server 4.2, 4.4, 4.5, NeoKylin Linux Security OS 5, Linx Linux 6, Linx Linux 8, GreatTurbo Enterprise Server 12, Yinhe Kylin 4 \u0219i versiunile mai vechi de Windows a fost oprit;<\/p>\n<li class=\"l\"> Au fost actualizate driverele \u0219i extins <noindex><a rel=\"nofollow\" href=\"http:\/\/hcl.vmd.citrix.com\/\">list\u0103<\/a><\/noindex> hardware-ul suportat. Inclusiv, a fost ad\u0103ugat suport pentru procesoarele Xeon 82xx, 62xx, 52xx, 42xx, 32xx CascadeLake-SP;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.citrix.com\/en-us\/citrix-hypervisor\/whats-new\/experimental.html\">Ad\u0103ugat<\/a><\/noindex> suport experimental pentru \u00eenc\u0103rcarea sistemelor gazd\u0103 \u00een modul UEFI;<br \/>\n<center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.citrix.com\/blogs\/wp-content\/uploads\/2019\/04\/uefi1-for-blog-720x485.png\"><img decoding=\"async\" alt=\"Lansarea platformei de virtualizare XenServer (Citrix Hypervisor) 8.0\" src=\"\/wp-content\/uploads\/2019\/04\/6cda0315490a436661ac1045471c429b.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> \u00cen edi\u021bia Premium a fost ad\u0103ugat\u0103 posibilitatea de a crea imagini de discuri virtuale (VDI) de dimensiuni mai mari de 2 TB \u0219i a fost implementat suportul pentru instantanee ale discului \u0219i memoriei pentru ma\u0219inile virtuale cu vGPU.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50594\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0435\u0442\u043a\u0438 7.x \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Citrix \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b XenServer 8 (Citrix Hypervisor) , \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043e\u0439 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen. XenServer \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0431\u044b\u0441\u0442\u0440\u043e \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0438 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u0441\u0442\u0430\u043d\u0446\u0438\u0439, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044f \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043d\u0435\u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d. \u0414\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 7.4 XenServer \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u043b\u0441\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24415,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-32624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0435\u0442\u043a\u0438 7.x \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Citrix 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