{"id":34761,"date":"2019-10-31T22:00:15","date_gmt":"2019-10-31T19:00:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vdi-deshevo-i-serdito\/"},"modified":"2019-10-31T22:00:15","modified_gmt":"2019-10-31T19:00:15","slug":"vdi-deshevo-i-serdito","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/vdi-deshevo-i-serdito","title":{"rendered":"VDI: Jeftino i prakti\u010dno","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"VDI: Jeftino i prakti\u010dno\" src=\"\/wp-content\/uploads\/716f3aefdfb7ac6856794407b99a44d6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDobar dan po\u0161tovani Habr\u010dani, prijatelji i poznanici. Kao uvod \u017eelim ispri\u010dati o realizaciji jednog zanimljivog projekta, ili kako je danas popularno re\u0107i, jednog zanimljivog slu\u010daja vezanog uz implementaciju VDI infrastrukture. \u010cinilo se da je \u010dlanaka o VDI-u mnogo, ima tu i step-by-step vodi\u010da, i usporedba izravnih konkurenata, te opet step-by-step i ponovo usporedba konkurentskih rje\u0161enja. \u010cinilo se da se ne mo\u017ee ponuditi ni\u0161ta novo? <\/p>\n<p> A novo, \u0161to nedostaje mnogim \u010dlancima, je opis ekonomskog u\u010dinka od implementacije, izra\u010duna tro\u0161kova vlasni\u0161tva odabranog rje\u0161enja i \u0161to je jo\u0161 zanimljivije \u2014 usporedba tro\u0161kova vlasni\u0161tva s sli\u010dnim rje\u0161enjima. U ovom slu\u010daju, prema nazivu \u010dlanka, klju\u010dna rije\u010d <b>jeftino<\/b>: \u0161to to zna\u010di? Jednom kolegi, poznaniku i prijatelju na po\u010detku godine bila je zada\u0107a realizirati VDI s minimalnim brojem \"prozora\", odnosno besplatnim hipervizorom, Linux radnom povr\u0161inom, besplatnom Baza podataka i drugim na\u010dinima minimizacije tro\u0161kova s na\u0161im \"omiljenim\" Microsoftom.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n A za\u0161to s \"minimalnim prozorima\"? Tu \u0107u se odmaknuti od daljnjeg pripovijedanja i opisati situaciju koja me navela da se fokusiram upravo na ovu temu. Moj poznanik, kojem sam pomagao u implementaciji projekta, radi u srednjoj tvrtki sa zaposlenicima od oko 500 osoba, ve\u0107ina softvera nije legalna, ali su radovi na njegovoj optimizaciji bili u tijeku, ve\u0107ina Front-end informati\u010dkih sustava je prilago\u0111ena za WEB, raspolo\u017eenje je bilo dobro sve dok jednog dana nije do\u0161ao kolekcionar, \"osobni menad\u017eer\" Microsofta vezan za tvrtku i po\u010deo ne, ne nuditi, ne tra\u017eiti, ve\u0107 zahtijevati hitnu legalizaciju svega, donose\u0107i mnoge zaklju\u010dke o kori\u0161tenim rje\u0161enjima na temelju otvorenih izvora i priop\u0107enja za medije. \u010cinilo se da tvrtka nije protiv, ali ta upornost i nametljivost, koja grani\u010di s prijetnjama, potaknula je davna\u0161nje planove o uvo\u0111enju zamjene proizvoda MS i maksimalnom prelasku na OpenSource. Osoba s strane mogla bi mo\u017eda ne povjerovati u opisanu situaciju s predstavnikom softverskog giganta, ali u svoje vrijeme sli\u010dna situacija se ponovila 1 na 1 s istaknutim pritiscima od strane zaposlenika Microsofta osobno sa mnom. <\/p>\n<p> S druge strane, ovo je dodatni okida\u010d za reviziju strategije razvoja IT odjela s ciljem diversifikacije kori\u0161tenja pla\u0107enih softverskih proizvoda. Opet, trend penetracije OpenSource rje\u0161enja za poslovanje dobija sve ve\u0107e razmjere, o \u010demu je bilo razgovora na konferenciji IT-OS'19, a slajd ispod to potpuno potvr\u0111uje.<\/p>\n<p><img decoding=\"async\" alt=\"VDI: Jeftino i prakti\u010dno\" src=\"\/wp-content\/uploads\/bd265632152208a25c814bf6b32080b2.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n Dakle, u navedenoj organizaciji postavljen je cilj: ubrzati zavr\u0161etak licenciranja MS proizvoda, istovremeno maksimalno implementirati i koristiti OpenSource rje\u0161enja. Za pristup korisnicima odlu\u010deno je pre\u0107i s 'terminala' i Windows VDI-a potpuno na Linux VDI. Odabir Citrix VDI-a bio je uvjetovan malim brojem administrativnog osoblja, velikim brojem podru\u017enica i jednostavno\u0161\u0107u implementacije, skaliranja, te ve\u0107 kupljenim proizvodom.<\/p>\n<p> U prvom dijelu \u010dlanka \u017eelim se osvrnuti na izra\u010dun TCO-a vlasni\u0161tva infrastrukture Linux VDI-a i izbor rje\u0161enja temeljenog na Citrix Virtual Apps and Desktops, poznatijeg kao XenDesktop, te starog dobrog XenServer-a, koji se sada zove Citrix Hypervisor (oh, taj rebranding, odmah promijeniti ime gotovo cijele linije proizvoda) i, sukladno tome, Linux radnih povr\u0161ina. \u010cinilo se da svi savr\u0161eno znaju da je sinergija VDI\/APPS zbroj kori\u0161tenja Vmware-a kao hipervizora, Citrix-a kao kontrolera isporuke aplikacija i Microsoft-a kao gostuju\u0107eg OS-a. No, \u0161to u\u010diniti ako je potrebna ista tehnologija, ali uz minimalne tro\u0161kove? Pa, hajde da izra\u010dunamo:<\/p>\n<p>Na po\u010detku \u0107u govoriti o dispoziciji DO, a zatim o tome \u0161to je 'ko\u0161talo' prelazak na novu platformu.<br \/>\nZa jednostavnost i cjelovitost slike, razmatra\u0107emo samo softverski dio, budu\u0107i da je oprema ve\u0107 postojala i obavljala svoju funkciju. <\/p>\n<p>Dakle, na po\u010detku je bilo\u2026 bila je predivna SCD EMC, Blade korpa HP c7000 i 7 G8. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/server\/\"   title=\"poslu\u017eitelja\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1335\">poslu\u017eitelja<\/a> u ulozi virtualizacije VDI. Na serverima je bio instaliran Windows Server 2012R2 s ulogom Hyper-V i kori\u0161ten je SCVMM. Implementirana je kupljena VDI platforma temeljena na XenDesktop 7.18, a postavljene su i nekoliko terminalskih farmi. Znaju\u0107i raspolo\u017eenje i potrebu za licenciranjem velike koli\u010dine softvera, uporedimo tro\u0161kove implementacije Linux VDI i cjelovitog rje\u0161enja zasnovanog na Microsoftu \"klju\u010d u ruke\". Prevo\u0111enje je odlu\u010deno provesti postupno, u prvom koraku obuhva\u0107eni su podru\u017enice kompanije, a u drugom koraku planirano je prebacivanje preostalih radnih mjesta u dr\u017eavnu upravu.<\/p>\n<p><img decoding=\"async\" alt=\"VDI: Jeftino i prakti\u010dno\" src=\"\/wp-content\/uploads\/9e012529644302981d5d9c87171b641a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa terminalskoj farmi uglavnom je radila 1C, na VDI radnim stolovima radila je standardna kancelarijska oprema, e-po\u0161ta, datoteke, internet (njihova osnovna funkcija bila je isklju\u010divo \u010ditanje i \u0161tampanje). <\/p>\n<p>Znaju\u0107i popis potrebnog softvera, izra\u010dunajmo ukupne tro\u0161kove vlasni\u0161tva rje\u0161enja od Microsofta. <\/p>\n<p><b>Windows Server:<\/b><\/p>\n<p>Prema zahtjevima licenci Microsofta, sljede\u0107i uvjeti moraju biti ispunjeni:<\/p>\n<ol>\n<li>Licencirati treba sve fizi\u010dke jezgre u <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/server\/dts-dronten\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2484\">serveru<\/a>.<\/li>\n<li>Minimalni paket licenci za dvokernelski server je 8 kom. (ili jedna 16-jezgrena licencija).<\/li>\n<li>Minimalni paket licenci za procesor od 2 jezgre je 4 kom. (ovo pravilo se aktivira ako je broj procesora ve\u0107i od dva).<\/li>\n<li>Standardni paket licenci daje pravo kori\u0161tenja jednog fizi\u010dkog i dva virtualna primjerka Windows Servera na jednom serveru.<\/li>\n<li>Datacenter paket licenci daje pravo kori\u0161tenja jednog fizi\u010dkog i neograni\u010denog broja virtualnih primjeraka Windows Servera na jednom serveru.<\/li>\n<\/ol>\n<p>\nDakle, ako je potrebno instalirati vi\u0161e od 13 virtualnih primjeraka Windows Servera i Windows radnih stanica na server, ekonomski je isplativo kupiti verziju Datacenter koju \u0107emo razmatrati. <\/p>\n<p><b>Windows 10 VDI:<\/b><\/p>\n<p>Prema licencnoj politici Microsofta, pristup virtualnim radnim povr\u0161inama s klijentskim operativnim sistemom mora se ostvarivati s ure\u0111aja koji ima va\u017ee\u0107u pretplatu Microsoft VDA (Virtual Desktop Access), osim za ra\u010dunare obuhva\u0107ene mjerama Software Assurance. U na\u0161em slu\u010daju, zapravo treba kupiti i godi\u0161nje obnavljati pretplatu za 300 DVA licenci.<\/p>\n<p>\"Kupujem VDI softver od VMware \/ Citrix \/ drugog dobavlja\u010da.\"<\/p>\n<p>Trebam li jo\u0161 uvijek Windows VDA? Da. Ako pristupate Windows klijentskom operativnom sustavu kao va\u0161em gostuju\u0107em operativnom sustavu u datacentru s bilo kojeg ure\u0111aja bez SA (uklju\u010duju\u0107i tanki klijenti, iPad itd.), Windows VDA je odgovaraju\u0107i licencni model bez obzira na odabranog dobavlja\u010da VDI softvera. Jedini scenarij u kojem ne biste trebali Windows VDA je ako koristite ra\u010dunala koja su pokrivena Software Assurance kao pristupne ure\u0111aje, jer su prava pristupa virtualnim radnim povr\u0161inama uklju\u010dena kao pogodnost SA.<\/p>\n<p><b> SCVMM:<\/b><\/p>\n<p>Sustav za upravljanje virtualnom infrastrukturom System Center Virtual Machine Manager dolazi u paketu s Microsoft System Centerom i ne isporu\u010duje se kao zaseban proizvod. O ovom pristupu nije potrebno raspravljati, imamo ono \u0161to imamo. <\/p>\n<p>Uzimaju\u0107i u obzir zahtjeve licenciranja:<\/p>\n<ol>\n<li>\u201eSve fizi\u010dke jezgre na poslu\u017eitelju treba licencirati.<\/li>\n<li>Minimalni paket licenci za dvokernelski server je 8 kom. (ili jedna 16-jezgrena licencija).<\/li>\n<li>Minimalni paket licenci za procesor od 2 jezgre je 4 kom. (ovo pravilo se aktivira ako je broj procesora ve\u0107i od dva).<\/li>\n<li>Licencni paket Standard omogu\u0107uje upravljanje jednim fizi\u010dkim i dva virtualna operativna sustava na jednom poslu\u017eitelju.<\/li>\n<li>Licencni paket Datacenter omogu\u0107uje upravljanje jednim fizi\u010dkim i neograni\u010denim brojem virtualnih operativnih sustava na jednom poslu\u017eitelju.\u201d<\/li>\n<\/ol>\n<p>\n<img decoding=\"async\" alt=\"VDI: Jeftino i prakti\u010dno\" src=\"\/wp-content\/uploads\/10b6b52320298a6fc823d6632597385c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n Navedene cijene su maloprodajne, naravno uz takav volumen mogu\u0107i su popusti, ali u usporedbi s GLP cijenama Ciscoa ili Lenova, zaboravite na popust od 50 ili 70%. Na temelju mog iskustva s Microsoftom, te\u0161ko je vidjeti vi\u0161e od 5%. Ispostavlja se da samo za prvu godinu tro\u0161ak vlasni\u0161tva prelazi 5 milijuna rubalja, a tijekom tri godine tro\u0161ak vlasni\u0161tva iznosi ~ 9 milijuna rubalja. Broj nije mali i za srednju tvrtku mogu re\u0107i da je ogroman. Iz ekonomske perspektive, odluka se ve\u0107 \u010dini ne tako jednostavnom. <\/p>\n<p>Da unaprijed ka\u017eem, nakon kalkulacije rje\u0161enja navedenog projekta uprava je donijela pozitivnu odluku o njegovom usvajanju. <\/p>\n<h3>Zaklju\u010dak:<\/h3>\n<p>\n Na kraju, kombinacija softvera je bila sljede\u0107a: Citrix Hypervisor, gostuju\u0107i OS Linux, svi su u \u0443\u043f\u0440\u0430\u0432\u0459\u0430\u043d\u0438\u044e Citrix Virtual Desktops. U\u0161teda od 3 milijuna rubalja godi\u0161nje je zna\u010dajna. Je li bilo lako realizirati ovaj projekt? Ne! Je li to panaceja za takvo rje\u0161enje? Ne! No, definitivno zaslu\u017euje detaljno razmatranje mogu\u0107nosti uvo\u0111enja na bazi Citrix VDI s Linux gostuju\u0107im sustavima. Naravno, postoje nedostaci i to ne mali, o kojima \u0107u detaljnije govoriti u drugom dijelu koji \u0107e biti potpuni korak-po-korak opisani rje\u0161enja.<\/p>\n<p>Na kraju, \u017eelim re\u0107i da ne tvrdim da imam kona\u010dne stavove, ali sama slu\u010dajna studija bila je vrlo zanimljiva. <\/p>\n<p><i>Hvala na pa\u017enji, do skorog vi\u0111enja)<\/i><br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/451520\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0431\u0440\u044b\u0439 \u0434\u0435\u043d\u044c \u0443\u0432\u0430\u0436\u0430\u0435\u043c\u044b \u0425\u0430\u0431\u0440\u043e\u0432\u0447\u0430\u043d\u0435, \u0434\u0440\u0443\u0437\u044c\u044f \u0438 \u0437\u043d\u0430\u043a\u043e\u043c\u044b\u0435. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0435\u0434\u0438\u0441\u043b\u043e\u0432\u0438\u044f \u0445\u043e\u0447\u0443 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u0442\u044c \u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0438\u043b\u0438 \u043a\u0430\u043a \u0441\u0435\u0439\u0447\u0430\u0441 \u043c\u043e\u0434\u043d\u043e \u0432\u044b\u0440\u0430\u0436\u0430\u0442\u044c\u0441\u044f, \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0433\u043e \u043a\u0435\u0439\u0441\u0430 \u043a\u0430\u0441\u0430\u0435\u043c\u043e \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u044f VDI \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b. \u041a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0441\u0442\u0430\u0442\u0435\u0439 \u043f\u043e VDI \u043c\u043d\u043e\u0433\u043e, \u0442\u0443\u0442 \u0435\u0441\u0442\u044c \u0438 step-by-step, \u0438 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u044f\u043c\u044b\u0445 \u043a\u043e\u043d\u043a\u0443\u0440\u0435\u043d\u0442\u043e\u0432 \u0438 \u043e\u043f\u044f\u0442\u044c step-by-step \u0438 \u043e\u043f\u044f\u0442\u044c \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u043d\u043a\u0443\u0440\u0435\u043d\u0442\u043d\u044b\u0445 \u0440\u0435\u0448\u0435\u043d\u0438\u0439. \u041a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u0442\u044c \u043d\u043e\u0432\u043e\u0433\u043e? [&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":[688],"tags":[],"class_list":["post-34761","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0431\u0440\u044b\u0439 \u0434\u0435\u043d\u044c \u0443\u0432\u0430\u0436\u0430\u0435\u043c\u044b \u0425\u0430\u0431\u0440\u043e\u0432\u0447\u0430\u043d\u0435, \u0434\u0440\u0443\u0437\u044c\u044f \u0438 \u0437\u043d\u0430\u043a\u043e\u043c\u044b\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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