{"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\/sl\/blog\/administrirovanie\/masshtabirovanie-zimbra-collaboration-suite","title":{"rendered":"Raz\u0161iritev Zimbra Collaboration Suite","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ena od glavnih nalog za podjetja je rast in razvoj. V dana\u0161njih razmerah se pove\u010dana koli\u010dina proizvodnih prostorov ter pojav novih zaposlenih in partnerjev spremljata s stalno rasto\u010dim obremenjevanjem IT infrastrukture podjetja. Zato je ob uvajanju katerega koli re\u0161itev IT manager podjetja nujno upo\u0161tevati lastnost, kot je raz\u0161irljivost. Mo\u017enost obvladovanja ve\u010djih delovnih obremenitev ob dodajanju velikih ra\u010dunalni\u0161kih obremenitev je \u0161e posebej kriti\u010dna za ISP. Poglejmo, kak\u0161ne mo\u017enosti raz\u0161irjanja ponuja Zimbra Collaboration Suite, kot izdelek, ki ga uporabljajo razli\u010dni SaaS ponudniki po vsem svetu.<\/p>\n

\"Raz\u0161iritev<\/a><\/noindex><\/p>\n

Raz\u0161irljivost je lahko dveh vrst: vertikalna in horizontalna. V prvem primeru pove\u010danje zmogljivosti re\u0161itve dose\u017eemo z dodajanjem ra\u010dunalni\u0161kih in drugih zmogljivosti obstoje\u010dim vozli\u0161\u010dem IT infrastrukture, medtem ko v drugem pove\u010danje zmogljivosti dose\u017eemo z dodajanjem novih ra\u010dunalni\u0161kih vozli\u0161\u010d, ki prevzamejo del obremenitve. Zimbra Collaboration Suite podpira tako horizontalno kot vertikalno raz\u0161irljivost.<\/p>\n

Vertikalna raz\u0161irljivost, \u010de se odlo\u010dite za dodajanje ra\u010dunalni\u0161kih zmogljivosti va\u0161emu stre\u017eniku, se ne bo razlikovala od migracije na nov, mo\u010dnej\u0161i stre\u017enik z Zimbro. Vendar pa, \u010de se odlo\u010dite dodati sekundarno shranjevanje za e-po\u0161to k stre\u017eniku, se boste zagotovo soo\u010dili z omejitvijo, vgrajeno v Zimbra Open-Source Edition. Dejstvo je, da v brezpla\u010dni razli\u010dici Zimbre ni mogo\u010de povezati sekundarnih volumov za shranjevanje e-po\u0161te. To vpra\u0161anje za uporabnike brezpla\u010dne razli\u010dice Zimbra naj bi re\u0161il vti\u010dnik Zextras PowerStore, ki omogo\u010da povezovanje tako fizi\u010dnih kot obla\u010dnih S3 sekundarnih shranjevanj k stre\u017eniku. Poleg tega PowerStore vklju\u010duje v Zimbri algoritme za stiskanje in deduplikacijo, ki lahko pove\u010dajo u\u010dinkovitost shranjevanja podatkov na obstoje\u010dih napravah. <\/p>\n

\u0160e posebej povpra\u0161evanje po ustvarjanju sekundarnih enot med ISP-ji, ki prve shranjujejo hitre, a drage SSD diske, sekundarne pa na po\u010dasnih, a cenej\u0161ih HDD. S pomo\u010djo prozorenih povezav, shranjenih na SSD, sistem \u0161e naprej deluje razmeroma hitro, s stiskanjem in deduplikacijo pa lahko vsak stre\u017enik shrani precej ve\u010d e-po\u0161te. Tako se pove\u010duje ekonomi\u010dnost. stre\u017enikov<\/a> Z sekundarnimi shranjevali in Zextras PowerStore je zatorej precej vi\u0161ja kot pri uporabi standardne funkcionalnosti Zimbra OSE.<\/p>\n

\"Raz\u0161iritev
\n
\nHorizontalno skaliranje se po definiciji lahko uporablja le v infrastrukturi z ve\u010d stre\u017eniki. Ker so pri namestitvi z ve\u010d stre\u017eniki vsi moduli Zimbra razporejeni po razli\u010dnih strojih, ima skrbnik mo\u017enost skoraj neomejeno dodajati nove LDAP replicarje, MTA in proxy stre\u017enike ter e-po\u0161tna shranjevala. <\/p>\n

Postopek dodajanja novih vozli\u0161\u010d ponavlja postopek opisan v enem od na\u0161ih prej\u0161njih \u010dlankov<\/a><\/noindex> za namestitev Zimbra z ve\u010d stre\u017eniki. Dovolj je, da preprosto namestite potrebne module Zimbra na stre\u017enik in navedete naslov Master LDAP ter vtipkate podatke za overitev. Po tem postanejo nova vozli\u0161\u010da del infrastrukture Zimbra, Zimbra Proxy pa zagotovi porazdelitev obremenitve med stre\u017eniki. Pri tem ostanejo vse prej ustvarjene e-po\u0161tne \u0161katle in njihova vsebina na shrambah, kjer so bile doslej. <\/p>\n

Obi\u010dajno se v infrastrukturo Zimbra dodajajo nova e-po\u0161tna shranjevala s predpostavko enega stre\u017enika na 2500 aktivnih uporabnikov Zimbra spletnega odjemalca in do 5-6 tiso\u010d uporabnikov namiznih in mobilnih odjemalcev e-po\u0161te. Tak\u0161no \u0161tevilo uporabnikov omogo\u010da dosego maksimalne odzivnosti stre\u017enika ter prepre\u010duje te\u017eave z dostopnostjo in dol\u017eino nalaganja.<\/p>\n

Poleg tega so skrbnikom infrastrukture z ve\u010d stre\u017eniki na voljo tudi povezave sekundarnih shranjeval, pa tudi stiskanje in deduplikacija na vsakem e-po\u0161tnem shranjevanju s pomo\u010djo Zextras PowerStore. Uporaba tega zimleta omogo\u010da prihranek do 50 % prostora na disku, kar skupaj z izbolj\u0161anjem ekonomi\u010dnosti celotne infrastrukture prina\u0161a znatne prihranke. V primeru velikih ISP-jev lahko gospodarski u\u010dinek take optimizacije infrastrukture dose\u017ee resni\u010dno velike vrednosti.
\n
Izvor: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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