{"id":30786,"date":"2019-10-31T21:37:26","date_gmt":"2019-10-31T18:37:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/masshtabirovanie-zimbra-collaboration-suite\/"},"modified":"2019-10-31T21:37:26","modified_gmt":"2019-10-31T18:37:26","slug":"masshtabirovanie-zimbra-collaboration-suite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/masshtabirovanie-zimbra-collaboration-suite","title":{"rendered":"Zimbra Collaboration Suite'i skaleerimine.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00dche peamise v\u00e4ljakutse \u00e4ri jaoks on kasv ja areng. T\u00e4nap\u00e4eva olukordades, kus tootmisruumide arv suureneb ning uusi t\u00f6\u00f6tajaid ja koost\u00f6\u00f6partnereid lisandub, t\u00e4hendab see pidevat koormuse suurenemist ettev\u00f5tte IT-infrastruktuurile. Seet\u00f5ttu peab IT-juhil igasuguseid lahendusi rakendades arvestama nende omadusena ka skaleeritavust. V\u00f5ime taluda suurt t\u00f6\u00f6koormust, kui lisanduvad suured arvutuskoormused, on ISP-de jaoks eriti kriitiline. Vaatame siis, milliseid skaleerimisv\u00f5imalusi pakub Zimbra Collaboration Suite, toode, mida kasutavad erinevad SaaS-teenusepakkujad \u00fcle kogu maailma.<\/p>\n

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

Skaleeritavus jaguneb kaheks: vertikaalne ja horisontaalne. Esimesel juhul saavutatakse lahenduse j\u00f5udluse suurenemine, lisades olemasolevatele IT-infrastruktuuri s\u00f5lmedele arvutus- ja muid ressursse, teisel juhul saavutatakse j\u00f5udluse suurenemine, lisades uusi arvutis\u00f5lmi, mis v\u00f5tavad osa koormusest enda kanda. Zimbra Collaboration Suite toetab nii horisontaalset kui ka vertikaalset skaleerimist.<\/p>\n

Vertikaalne skaleerimine, kui otsustate lisada oma serverisse arvutusv\u00f5imsust, ei pruugi erinev olla uue, v\u00f5imsama serveri kasutuselev\u00f5tust Zimbra puhul. Kuid kui otsustate serverile lisada teise salvestusruumi e-kirjade jaoks, seisate kindlasti silmitsi Zimbra Open-Source Editioni sisse ehitatud piiranguga. Nimelt ei saa tasuta versioonis Zimbraat liita teisi mahtusid e-kirjade salvestamiseks. Selle probleemi lahendamiseks tasuta Zimbra v\u00e4ljaande kasutajatele on v\u00e4lja t\u00f6\u00f6tatud Zextras PowerStore'i laiendus, mis v\u00f5imaldab serveriga \u00fchendada nii f\u00fc\u00fcsilisi kui ka pilvep\u00f5hiseid S3-teise salvestusruume. Lisaks sisaldab PowerStore Zimbras andmete salvestamise efektiivsuse suurendamiseks kompressioon- ja deduplication-algoritme. <\/p>\n

Eriti n\u00f5utud on sekundaarsete mahtude loomine ISP-de seas, kes kasutavad esmase salvestusena kiireid, kuid kallid SSD-d, samas kui sekundaarne salvestus asetatakse aeglasematele ja odavamatele HDD-dele. T\u00e4nu l\u00e4bipaistvate linkide kasutamisele, mis talletatakse SSD-dele, t\u00f6\u00f6tab s\u00fcsteem endiselt \u00fcsna kiiresti, ja kompressioon ning dedupikatsioon v\u00f5imaldavad igal serveril talletada palju rohkem elektronposti. Selle tulemusena on majanduslik efektiivsus. serverite<\/a> Sekundaarsete salvestuste ning Zextras PowerStore'i kasutamine on oluliselt efektiivsem kui standardsete Zimbra OSE funktsioonide kasutamine.<\/p>\n

\"Zimbra
\n
\nHorisonitaalne skaleerimine saab aga m\u00e4\u00e4ratlemise kohaselt kasutada vaid multi-serveri infrastruktuuris. Kuna k\u00f5ik Zimbra moodulid on multi-serveri paigaldamisel erinevates masinates, on administraatoril v\u00f5imalus praktiliselt piiramatus koguses lisada uusi LDAP Replica, MTA- ja Proxy-servereid ning postkastide ladusid. <\/p>\n

Uute s\u00f5lmede lisamise protsess kordab eelnevalt kirjeldatud protsessi. \u00fches meie varasemas artiklis<\/a><\/noindex> multiserver Zimbra paigaldamise kohta. Piisab, kui installida serverisse vajalikud Zimbra moodulid ja m\u00e4rkida peamise LDAPi aadress, samuti sisestada autentimise andmed. P\u00e4rast seda muutuvad uued s\u00f5lmed Zimbra infrastruktuuri osaks ning Zimbra Proxy tagab koormuse jaotamise serverite vahel. Samuti j\u00e4\u00e4vad k\u00f5ik varasemad postkastid ja nende sisu neile salvestusse, kus nad varem asusid. <\/p>\n

Tavaliselt lisatakse Zimbra infrastruktuuri uusi postiteenuseid, l\u00e4htudes \u00fchest serverist 2500 aktiivse Zimbra veebiklient kasutaja kohta ning kuni 5-6 tuhat kasutajat lauaarvuti ja mobiilsete e-posti klientide seas. Selline kasutajate arv v\u00f5imaldab serveril t\u00f6\u00f6tada maksimaalse vastupidavusega ja v\u00e4ltida ligip\u00e4\u00e4su probleeme ning pikka laadimisaega.<\/p>\n

Lisaks on mitme serveri infrastruktuuri administraatoritel juurdep\u00e4\u00e4s sekundaarsetele salvestusv\u00f5imalustele ning e-posti salvestamisel on saadaval ka tihendamine ja dedupeerimine Zextras PowerStore'i kaudu. Selle zimlet'i kasutamine v\u00f5ib s\u00e4\u00e4sta kuni 50% kettaruumi ning koos sellega suurendada kogu infrastruktuuri efektiivsust. Suurte teenusepakkujate puhul v\u00f5ib sellise infrastruktuuri optimeerimise majanduslik m\u00f5ju olla t\u00f5eliselt m\u00e4rkimisv\u00e4\u00e4rne.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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