{"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\/et\/blog\/administrirovanie\/vdi-deshevo-i-serdito","title":{"rendered":"VDI: Odav ja efektiivne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"VDI: Odav ja efektiivne\" src=\"\/wp-content\/uploads\/716f3aefdfb7ac6856794407b99a44d6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTere, austatud Habroli kasutajad, s\u00f5brad ja tuttavad. \u00dche sissejuhatusena tahaksin r\u00e4\u00e4kida \u00fche huvitava projekti elluviimisest, v\u00f5i nagu praegu moes \u00f6eldakse, \u00fchest huvitavast juhtumist, mis puudutab VDI-infrastruktuuri juurutamist. Tundub, et VDI-st on palju artikleid, sealhulgas samm-sammult juhendeid, ning otsekonkurentide v\u00f5rdlusi. Tundub, et midagi uut on raske pakkuda? <\/p>\n<p> Ja uut, mida paljudes artiklites ei ole, on rakendamise majanduslikku efekti kirjeldus, valitud lahenduse omandi kogukulu arvutamine ning mis veel huvitavam \u2014 omandi kogukulu v\u00f5rdlemine sarnaste lahendustega. Antud juhul l\u00e4htudes artikli pealkirjast on v\u00f5tmes\u00f5na <b>odav<\/b>: mida see t\u00e4hendab? \u00dchel mu kolleegil, tuttaval ja s\u00f5bral oli aasta alguses \u00fclesanne rakendada VDI v\u00f5imalikult v\u00e4heste \"aken\"-itega, nimelt tasuta h\u00fcperviisor, Linuxi t\u00f6\u00f6laua s\u00fcsteem, tasuta andmebaas ja muud meetodid kulude minimeerimiseks koos meie \"lemmik\" Microsoftiga.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n Aga miks \"minimaalsete akende\" puhul? Siin teen ma edasise jutustuse osas pausi ja selgitan, miks mind see teema huvitab. Minu tuttav, kellel ma aitasin projekti k\u00e4ivitada, t\u00f6\u00f6tab keskmises ettev\u00f5ttes, kus on umbes 500 inimest, mitte kogu tarkvara ei ole legaalne, kuid selle optimeerimise osas tehti t\u00f6\u00f6d, enamik Front-end inf s\u00fcsteemidest on kohandatud WEB-ile, tuju oli hea, kuni \u00fchel ilusal p\u00e4eval tuli kollektor, Microsofti \u201cisiklik t\u00f6\u00f6taja\u201d, kes oli ettev\u00f5ttega seotud, ja hakkas n\u00f5udma, et k\u00f5ik legaalsed oleksid, tehes paljusid j\u00e4reldusi kasutatavate lahenduste kohta avatud allikate ja pressiteadete p\u00f5hjal. Tundus, et ettev\u00f5ttes ei olnud selle vastu, kuid see t\u00fc\u00fctus ja pealet\u00fckkivus, piiri\u00fclesed \u00e4hvardused, sundisid tegelema ammu kavandatud plaanidega importimise piiramiseks ja MS toodete kasutamise minimeerimise ning OpenSource'i suunamise maksimeerimisega. Inimene v\u00e4ljastpoolt ei pruugi uskuda tarkvarahiiglase esindajaga kirjeldatud olukorda, kuid kunagi juhtus analoogne olukord 1:1 Microsofti t\u00f6\u00f6taja survel minu enda kogemustega. <\/p>\n<p> Teisest k\u00fcljest on see t\u00e4iendav signaal IT-osakonna arendusstrateegia uuesti \u00fclevaatamiseks, et mitmekesistada tasuliste tarkvaratoodete kasutamist. Veelgi enam, avatud l\u00e4htekoodiga lahenduste levik \u00e4ri valdkonnas suureneb j\u00e4tkuvalt, mille kohta toimus arutelu konverentsil IT-OSY 0219, ning allolev slaid kinnitab seda t\u00e4ielikult.<\/p>\n<p><img decoding=\"async\" alt=\"VDI: Odav ja efektiivne\" src=\"\/wp-content\/uploads\/bd265632152208a25c814bf6b32080b2.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n Nii et eespool nimetatud organisatsioonis seati eesm\u00e4rgiks kiirendada MS toodete litsentsimise l\u00f5petamist, samal ajal maksimaalselt rakendada ja kasutada avatud l\u00e4htekoodiga lahendusi. Kasutajate juurdep\u00e4\u00e4suks otsustati liikuda 'terminaalidest' ja Windows VDI-st t\u00e4ielikult Linux VDI-le. Citrix VDI valik oli tingitud v\u00e4ikesest haldust\u00f6\u00f6tajate arvust, paljusid filiaale ja h\u00f5lpsast juurutamisest ning laienemisest, samuti juba soetatud tootest.<\/p>\n<p> Ja tahan esimeses artikli osas peatuda Linux VDI infrastruktuuri TCO kalkulatsioonil ning lahenduse valimisel, mis p\u00f5hineb Citrix Virtual Apps and Desktops, rahvasuus tuntud kui XenDesktop, ja vana hea XenServer, kuigi n\u00fc\u00fcd nimetatakse seda Citrix Hypervisoriks (oh, see br\u00e4ndingu v\u00e4rk, muuta peaaegu kogu tooteportfell korraga). Ja vastavalt Linuxi t\u00f6\u00f6lauad. Tundub, et k\u00f5ik teavad, et VDI\/App s\u00fcnergia on Vmware'i kasutamine h\u00fcperviisorina, Citrix rakenduste tarnimise kontrollina ja Microsofti kui k\u00fclalisoperatsioonis\u00fcsteemi kasutamine. Aga mida teha, kui vajalik tehnoloogia on sama, kuid maksimaalselt v\u00e4heste kuludega? Noh, arvutame siis.<\/p>\n<p>Alustuseks r\u00e4\u00e4gin ma eelsoodumusest, ja p\u00e4rast sellest, mis \"maksis\" uuele platvormile \u00fcleminek.<br \/>\nLihtsuse ja terviklikkuse huvides vaatame ainult tarkvarapoole, kuna riistvara oli juba olemas ja t\u00e4itis oma \u00fclesande. <\/p>\n<p>Nii et, alguses oli\u2026 oli imeline EMC salvestuslahendus, HP c7000 Blade korv ja 7 G8. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverite\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1335\">serverite<\/a> VDI virtualiseerimise rollis. Serveritel oli seadistatud Windows Server 2012R2 koos Hyper-V rolliga ja kasutati SCVMM-i. Ellu viidi ostetud VDI platvorm XenDesktop 7.18 baasil, paigaldati mitu terminalifarmi. Teades vajadust litsentsida suures koguses tarkvara, vaatame Linux VDI ja t\u00e4ieliku Microsoft 'v\u00e4ljalaske' lahenduse rakendamise kulusid. Otsustati t\u00f5lkida j\u00e4rk-j\u00e4rgult, esimeses etapis h\u00f5lmatakse ettev\u00f5tte filiaalid, teises etapis plaaniti \u00fcle viia \u00fclej\u00e4\u00e4nud t\u00f6\u00f6kohtade arv valitsuse all.<\/p>\n<p><img decoding=\"async\" alt=\"VDI: Odav ja efektiivne\" src=\"\/wp-content\/uploads\/9e012529644302981d5d9c87171b641a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTerminalifarmis t\u00f6\u00f6tas peamiselt 1C, VDI t\u00f6\u00f6laudades t\u00f6\u00f6tas standardne b\u00fcrootarkvara, e-post, failid, internet (nende peamine funktsioon oli ainult lugemine ja printimine). <\/p>\n<p>Teades n\u00f5utavaid tarkvara, arvutame Microsofti lahenduse kogumaksumuse. <\/p>\n<p><b>Windows Server:<\/b><\/p>\n<p>Microsofti litsentsimisn\u00f5uete kohaselt peavad olema t\u00e4idetud j\u00e4rgmised tingimused:<\/p>\n<ol>\n<li>Tuleb litsentseerida k\u00f5ik f\u00fc\u00fcsilised tuumad <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-dronten\/\"   title=\"serveril\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2484\">serveril<\/a>.<\/li>\n<li>Minimaalne 2-tuumaliste litsentside pakett serverile \u2014 8 tk (v\u00f5i \u00fcks 16-tuumaline litsents).<\/li>\n<li>Minimaalne 2-kerneriga protsessori litsentside pakett \u2014 4 tk. (see reegel kehtib, kui protsessorite arv on \u00fcle kahe).<\/li>\n<li>Standard litsentside pakett annab \u00f5iguse kasutada \u00fchte f\u00fc\u00fcsilist ja kahte virtuaalset Windows Serveri eksemplari \u00fchel serveril.<\/li>\n<li>Datacenter litsentside pakett annab \u00f5iguse kasutada \u00fchte f\u00fc\u00fcsilist ja mistahes arvu virtuaalseid Windows Serveri eksemplare \u00fchel serveril.<\/li>\n<\/ol>\n<p>\nSeega, kui serverisse peab paigaldama rohkem kui 13 virtuaalset eksemplari Windows Serverist ja Windowsi t\u00f6\u00f6kohast, on m\u00f5istlikum osta Datacenter v\u00e4ljaanne, millele me ka keskendume. <\/p>\n<p><b>Windows 10 VDI:<\/b><\/p>\n<p>Microsofti litsentsipoliitika kohaselt peab juurdep\u00e4\u00e4s virtuaalsetele lauaarvutitele kliendi operatsioonis\u00fcsteemi kaudu toimuma seadmest, millel on kehtiv Microsoft VDA (Virtual Desktop Access) tellimus, v\u00e4lja arvatud seadmed, millel on kehtiv Software Assurance. Meie puhul tuleb tegelikult osta ja igal aastal uuendada 300 DVA litsentsi tellimust.<\/p>\n<p>\u201eOstan VDI tarkvara VMware'ilt \/ Citrix'ilt \/ muult m\u00fc\u00fcjalt.\"<\/p>\n<p>Kas ma vajan ikka Windows VDA-d? Jah. Kui p\u00e4\u00e4sete andmehalluselt Windowsi klienditoimingus\u00fcsteemile, mis on teie k\u00fclalisoperatsioonis\u00fcsteem, igalt mitte-SA seadmel (sealhulgas \u00f5hukesed kliendid, iPadid jne), siis Windows VDA on sobiv litsentsimisv\u00f5imalus, s\u00f5ltumata valitud VDI tarkvara pakkujast. Ainus olukord, kus Windows VDA-d ei vajata, on siis, kui kasutate p\u00e4\u00e4suseadmetena arvuteid, mis on kaetud tarkvarakindlustusega, kuna virtuaalse lauaarvuti juurdep\u00e4\u00e4su \u00f5igused on SA eeliste seas.<\/p>\n<p><b> SCVMM:<\/b><\/p>\n<p>Virtuaalse infrastruktuuri halduss\u00fcsteem System Center Virtual Machine Manager kuulub Microsoft System Center'i komplekti ja ei ole m\u00fc\u00fcgil eraldi tootena. Sellise l\u00e4henemise osas arutlemine pole vajalik; mis meil on, see on. <\/p>\n<p>Arvestades litsentsimise n\u00f5udeid:<\/p>\n<ol>\n<li>\u201eLitsentseerima peab k\u00f5ik f\u00fc\u00fcsilised tuumad serveris.<\/li>\n<li>Minimaalne 2-tuumaliste litsentside pakett serverile \u2014 8 tk (v\u00f5i \u00fcks 16-tuumaline litsents).<\/li>\n<li>Minimaalne 2-kerneriga protsessori litsentside pakett \u2014 4 tk. (see reegel kehtib, kui protsessorite arv on \u00fcle kahe).<\/li>\n<li>Standardpakett annab \u00f5iguse hallata \u00fchte f\u00fc\u00fcsilist ja kahte virtuaalset ops\u00fcsteemi \u00fches serveris.<\/li>\n<li>Datacenter pakett annab \u00f5iguse hallata \u00fchte f\u00fc\u00fcsilist ja mistahes arvu virtuaalseid ops\u00fcsteeme \u00fches serveris.\u201d<\/li>\n<\/ol>\n<p>\n<img decoding=\"async\" alt=\"VDI: Odav ja efektiivne\" src=\"\/wp-content\/uploads\/10b6b52320298a6fc823d6632597385c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n K\u00fcljendatud hinnad on soovituslikud, kindlasti on sellise mahu puhul v\u00f5imalik allahindlus, kuid erinevalt Cisco v\u00f5i Lenovo GLP hindadest, unustage 50 v\u00f5i 70% allahindlus. T\u00f6\u00f6 kogemuse p\u00f5hjal MS-iga on \u00fcle 5% raske saavutada. Seega, esimese aasta omamiskulu ulatub \u00fcle 5 miljoni rubla, kolme aasta jooksul ulatub omamiskulu umbes 9 miljoni rubla. See ei ole v\u00e4ike summa ja keskmise suurusega ettev\u00f5tte jaoks on see tohutu. Seega, majanduslikult vaadatuna ei tundu see otsus sugugi lihtne. <\/p>\n<p>Aga eelnevalt \u00fctlen, et p\u00e4rast antud projekti lahenduse kalkulatsiooni on juhtkond selle kinnitamisel positiivse otsuse teinud. <\/p>\n<h3>Kokkuv\u00f5te:<\/h3>\n<p>\n Tulemusena on tarkvara kokkulepe j\u00e4rgmine: Citrix Hypervisor, Linuxi k\u00fclalisoperatsioonis\u00fcsteemid, mille k\u00f5ike haldab Citrix Virtual Desktops. 3 miljoni rubla aastane s\u00e4\u00e4st on m\u00e4rkimisv\u00e4\u00e4rne. Kas oli lihtne see projekt ellu viia? Ei! Kas see on mingi imerohi lahendustele? Ei! Kuid kindlasti on see v\u00e4\u00e4rt hoolikat kaalumist Citrix VDI ja Linuxi k\u00fclgs\u00fcsteemide rakendamise v\u00f5imaluste osas. Loomulikult on miinuseid, ja mitte v\u00e4he, nendest r\u00e4\u00e4gin l\u00e4hemalt teises osas, kus tutvustan samm-sammult kirjeldatud lahendust.<\/p>\n<p>Kokkuv\u00f5tteks tahan \u00f6elda, et ma ei pretendeeri l\u00f5plikule j\u00e4reldusele, kuid see juhtum ja \u00fclesanne olid \u00e4\u00e4rmiselt huvitavad. <\/p>\n<p><i>Ait\u00e4h t\u00e4helepanu eest, n\u00e4eme varsti!)<\/i><br \/>\n<br \/>Allikas: <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? 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