{"id":31642,"date":"2019-10-31T21:42:19","date_gmt":"2019-10-31T18:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/planirovanie-infrastruktury-dlya-ustanovki-zimbra-collaboration-suite\/"},"modified":"2019-10-31T21:42:19","modified_gmt":"2019-10-31T18:42:19","slug":"planirovanie-infrastruktury-dlya-ustanovki-zimbra-collaboration-suite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/planirovanie-infrastruktury-dlya-ustanovki-zimbra-collaboration-suite","title":{"rendered":"Zimbra Collaboration Suite'i infrastruktuuri planeerimine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Iga IT-lahenduse rakendamine ettev\u00f5ttes algab projekteerimisest. Sellel etapil peab IT-juht arvutama v\u00e4lja serverite arvu ja nende omadused, et need, \u00fchelt poolt, piisaksid k\u00f5ikide kasutajate jaoks, ja teiselt poolt, et nende hind ja kvaliteet oleksid optimaalsed ning uue infotehnoloogia s\u00fcsteemi arvutusinfrastruktuuri loomise kulud ei tekitaks t\u00f5sist auku ettev\u00f5tte IT-eelarves. Uurime, kuidas tuleks projekteerida infrastruktuuri Zimbra Collaboration Suite'i rakendamiseks ettev\u00f5ttes.<\/p>\n

\"Zimbra<\/a><\/noindex><\/p>\n

Zimbra peamine erip\u00e4ra v\u00f5rreldes teiste lahendustega on see, et ZCS-i puhul ei muutu protsessoriv\u00f5imsus ega m\u00e4lumaht harva kitsaskohaks. Peamine piirang on tavaliselt k\u00f5vaketta sisendi ja v\u00e4ljundi kiirus, seet\u00f5ttu tuleks keskenduda andmesalvestusele. Zimbra ametlikud minimaaln\u00f5uded tootmis keskkonnas on 4-\u017ea \u044d\u0442\u0430\u0440\u0438 64-bitine protsessor 2 GHz kellafrekventsiga, 10 GB s\u00fcsteemifailide ja logide jaoks ning v\u00e4hemalt 8 GB RAM-i. Tavaliselt on need omadused piisavad serveri kiireks toimimiseks. Kuid mis siis, kui peate Zimbra rakendama 10 000 kasutaja jaoks? Millised serverid ja kuidas neid sellisel juhul rakendada?<\/p>\n

Alustame sellest, et 10 000 kasutaja infrastruktuur peab olema mitme serveriga. Mitme serveriga infrastruktuur v\u00f5imaldab Zimbrit ulatuslikumaks muuta ja tagada, et infotehnoloogia s\u00fcsteem t\u00f6\u00f6tab sujuvalt isegi suurte kasutajatehulga korral. Tavaliselt on \u00fcsna keeruline ennustada, kui palju kasutajaid suudab Zimbra server kvaliteetselt teenindada, kuna see s\u00f5ltub v\u00e4ga palju nende t\u00f6\u00f6 intensiivsusest kalendrite ja e-posti osas ning kasutatavatest protokollidest. Seet\u00f5ttu rakendame n\u00e4iteks 4 postkasti. Kui v\u00f5imekust on liiga v\u00e4he v\u00f5i liiga palju, saab kas \u00fche v\u00e4lja l\u00fclitada v\u00f5i teise lisada.<\/p>\n

Seega, kui infrastruktuuri projekteeritakse 10 000 inimesele, tuleb luua LDAP, MTA ja Proxy serverid ning 4 postikogumit. Tuleb m\u00e4rkida, et LDAP, MTA ja Proxy serverid saab teha virtuaalseteks. See v\u00e4hendab serverivarustuse kulusid ja lihtsustab andmete varundamist ja taastamist, kuid teiselt poolt, f\u00fc\u00fcsilise serveri rikke korral saate riskida selle, et j\u00e4\u00e4te korraga ilma MTA, LDAP ja Proxy. Seet\u00f5ttu tuleks valida f\u00fc\u00fcsiliste v\u00f5i virtuaalsete serverite vahel l\u00e4htuda sellest, kui kaua saate endale lubada seisakut h\u00e4daolukorras. Postikogumid on parim paigutada f\u00fc\u00fcsilistele serveritele, kuna just nendes toimuvad peamised kirjutamists\u00fcklid, mis piiravad Zimbra j\u00f5udlust, ja seet\u00f5ttu v\u00f5imaldab suurem arv andmeedastuse kanaleid Zimbra j\u00f5udlust oluliselt suurendada. <\/p>\n

P\u00f5him\u00f5tteliselt, p\u00e4rast loomist serverid<\/a> LDAP, MTA, Proxy, v\u00f5rguhoidlatest ja nende \u00fchendamisest \u00fchiseks infrastruktuuriks, on Zimbra Collaboration Suite 10 000 kasutajale k\u00e4itamiseks valmis. Sellise konfiguratsiooni t\u00f6\u00f6 skeem on piisavalt lihtne: <\/p>\n

\"Zimbra
\n
\nDiagrammil on kujutatud s\u00fcsteemi p\u00f5hielemente ja andmevooge, mis nende vahel ringlusse l\u00e4hevad. Sellise konfiguratsiooni korral ei ole infrastruktuur kaitstud andmekao, seisaku ega mingi serveri talitlush\u00e4ire t\u00f5ttu. Vaatame, kuidas saaks oma infrastruktuuri nende probleemide eest kaitsta.<\/p>\n

Peamine meetod on riistvarane \u00fclek\u00fcllus. T\u00e4iendavad MTA ja Proxy s\u00f5lmed v\u00f5ivad peamise serveri rikke korral ajutiselt v\u00f5tta peamise rolli. Kriitilise infrastruktuuri s\u00f5lmede dubleerimine on peaaegu alati suurep\u00e4rane idee, kuid seda ei ole alati v\u00f5imalik rakendada soovitud mahus. Selge n\u00e4ide on postiteenuste varundamine. Praegu Zimbra Collaboration Suite Open-Source Edition ei toeta dubleerivate hoidlade loomist, seet\u00f5ttu ei \u00f5nnestu \u00fchtegi neist serveritest rikke korral seisakut v\u00e4ltida ja IT-juht v\u00f5ib v\u00e4hendada postikogumi rikke t\u00f5ttu tekkinud seisakuaega, k\u00e4ivitades selle varukoopia teisel serveril. serveris<\/a>. <\/p>\n

Kuna Zimbra OSE ei paku sisseehitatud varunduss\u00fcsteemi, on meil vaja Zextras Backup'i, mis toetab reaalajas varundamist, ja v\u00e4lisladust. Kuna Zextras Backup, tehes t\u00e4isvalikuid ja inkrementaalvarundeid, salvestab k\u00f5ik andmed kausta \/opt\/zimbra\/backup, oleks m\u00f5istlik sinna liita v\u00e4lis-, v\u00f5rgu- v\u00f5i isegi pilveladustamine, et \u00fche serveri kokkuvarisemise korral oleks meil k\u00e4ep\u00e4rast kaasaegne varukoopia. Selle saab taastada nii varuserveris kui ka virtuaalmasinas ja pilves. Hea m\u00f5te oleks ka paigaldada MTA r\u00e4mpsposti filtriga Zimbra Proxy serveri ette, et v\u00e4hendada serverisse suunduva r\u00e4mpsposti liiklust.<\/p>\n

Nii n\u00e4eb Zimbra kaitstud infrastruktuur v\u00e4lja:<\/p>\n

\"Zimbra
\n
\nSellise konfiguratsiooniga suudab Zimbra infrastruktuur pakkuda kvaliteetseid teenuseid 10 000 kasutajale ja v\u00f5imaldab kriitiliste situatsioonide korral maksimaalselt kiiresti tagaj\u00e4rgi likvideerida.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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