{"id":35402,"date":"2019-10-31T22:04:08","date_gmt":"2019-10-31T19:04:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/perenos-pochtovyh-yashhikov-mezhdu-hranilishhami-v-zimbra-collboration-suite\/"},"modified":"2019-10-31T22:04:08","modified_gmt":"2019-10-31T19:04:08","slug":"perenos-pochtovyh-yashhikov-mezhdu-hranilishhami-v-zimbra-collboration-suite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/perenos-pochtovyh-yashhikov-mezhdu-hranilishhami-v-zimbra-collboration-suite","title":{"rendered":"Transferring mailboxes between storages in Zimbra Collaboration Suite","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Varem oleme juba kirjutanud, kui lihtne ja mugav on<\/a><\/noindex> Zimbra Collaboration Suite Open-Source Edition'i skaleerimine. Uute postikontode lisamine on v\u00f5imalik ilma Zimbra seadistatud infrastruktuuri t\u00f6\u00f6seisakuid p\u00f5hjustamata. Seda v\u00f5imalust hindavad k\u00f5rgelt SaaS-teenuse pakkujad, kes pakuvad oma klientidele juurdep\u00e4\u00e4su Zimbra Collaboration Suite'ile kaubanduslikult. Siiski kaasnevad sellise skaleerimisega mitmed puudused. Fakt on see, et tasuta versioonis Zimbra uue konto loomisel seondub see kindlalt postihoiustamisega, kus see loodi, ja selle \u00fcleviimine teisele serverile Zimbra OSE sisseehitatud vahenditega osutub ebaturvaliseks ja \u00fcsna t\u00f6\u00f6mahukaks protsessiks. Kuid postikontode \u00fcleviimine ei ole alati seotud horisontaalse skaleerimisega. N\u00e4iteks v\u00f5ivad SaaS-teenuse pakkujad kasutada kontode \u00fcleviimist t\u00f5husamatele serveritele juhtudel, kui nende kliendid muudavad oma hinnapaketti. Samuti v\u00f5ib kontode \u00fcleviimist vajada suurettev\u00f5tted reorganiseerimise k\u00e4igus. <\/p>\n

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

V\u00f5imas vahend postikontode \u00fcleviimiseks serverite vahel on Zextras PowerStore, mis kuulub modulaarsete laienduste komplekti Zextras Suite<\/a><\/noindex>. T\u00e4nu komandole doMailboxMove<\/b>, v\u00f5imaldab see laiendus maksimaalselt kiiresti ja mugavalt \u00fcleviida mitte ainult \u00fcksikuid kontosid, vaid ka terveid domeene teistesse postihoiustesse. Vaatame, kuidas see t\u00f6\u00f6tab ja millal selle rakendamine v\u00f5iks anda maksimaalse efekti.<\/p>\n

N\u00e4iteks v\u00f5tame ettev\u00f5tte, mis alustas v\u00e4ikese kontoriruumi puhul, kuid kasvas hiljem keskmiseks ettev\u00f5tteks, kus t\u00f6\u00f6tab mitu sada inimest. Juba alguses tutvustati ettev\u00f5ttes Zimbra Collaboration Suite Open-Source Editionit. Tasuta ja \u00fcsna v\u00e4henenud riistvaran\u00f5udega lahendus koost\u00f6\u00f6ks sobis ideaaljuhul alustavale ettev\u00f5ttele. Kuid p\u00e4rast t\u00f6\u00f6tajate arvu kordset suurenemist ei suutnud server enam koormust taluda ja hakkas aeglasemalt t\u00f6\u00f6tama. Selle probleemi lahendamiseks eraldas juhtkond raha uue postihoidla soetamiseks, et osad kontod sinna paigutada. Kuid iseenesest teise hoidla \u00fchendamine ei andnud midagi, kuna k\u00f5ik loodud kontod j\u00e4id endiselt vanasse serverisse, mis lihtsalt ei suutnud nende arvuga hakkama saada.<\/p>\n

Zimbra Collaboration Suite on \u00fcles ehitatud nii, et selle j\u00f5udluses m\u00e4ngib peamist rolli andmekandjate lugemise ja kirjutamise kiirus, seet\u00f5ttu ei too serveri arvutusv\u00f5imsuse suurendamine Zimbra j\u00f5udluse kahekordistumist. Teisis\u00f5nu, kaks 4- tuumalist protsessoriga ja 32 gigabaiti RAM-iga servidorit n\u00e4itavad m\u00e4rgatavalt paremat j\u00f5udlust kui \u00fcks 8- tuumaline protsessor ja 64 gigabaiti RAM-i.<\/p>\n

Selle probleemi lahendamiseks kasutas s\u00fcsteemi administraator Zextras'i lahendust. Kasutades j\u00e4rgmise t\u00fc\u00fcbi k\u00e4sku zxsuite powerstore doMailboxMove mail2.company.com accounts user@company.com stages data,account<\/b> administraator edastas \u00fcksikuid viimasest sajast loodud kontost uude hoidlasse. P\u00e4rast selle protsessi l\u00f5puleviimist v\u00e4henes koormus vanal serveril m\u00e4rgatavalt ja t\u00f6\u00f6 Zimbras sai taas kasutajatele mugavaks ja meeldivaks.<\/p>\n

Kujutage ette teistsugust olukorda: v\u00e4ike ettev\u00f5te kasutab SaaS-teenusepakkuja teenuseid Zimbra juurde p\u00e4\u00e4semiseks mitme\u00fc\u00fcrilisuse alusel. Ettev\u00f5ttel on oma m\u00e4\u00e4ratud tariif, juurdep\u00e4\u00e4s kontode haldamisele ja nii edasi. Siiski, peagi v\u00f5idab ettev\u00f5te suure hankelepingu ja suurendab t\u00f6\u00f6tajate arvu. Sellega suureneb ka koost\u00f6\u00f6 s\u00fcsteemi roll. Kontaktide kasutamise v\u00f5imalused, t\u00f6\u00f6tajate vahelise kohese suhtluse korraldamine ning tegevuste koordineerimine kalendrite ja p\u00e4evikute kaudu on suured projektid ellu viies \u00e4\u00e4rmiselt olulised. Aega napilt olles ei ole v\u00f5imalik \u00fcle minna enda Zimbra infrastruktuurile. Seet\u00f5ttu otsustab juhtkond s\u00f5lmida uue lepingu oma SaaS-teenusepakkujaga, kus on rangem SLA ja sellega kaasnev k\u00f5rgem teenuse hind.<\/p>\n

SaaS-teenusepakkujal on omakorda mitu andmehoidlat, mida kasutatakse erinevate tariifiplaanide tellijate teenindamiseks. Peale SLA, v\u00f5ivad odavamate tariifide serverid olla varustatud aeglasemate HDD-dega, neid reserveeritakse suhteliselt harva ning neil v\u00f5ib puududa v\u00f5imalus kontode andmete s\u00fcnkroniseerimiseks mobiilseadmetega. T\u00f5sine erinevus on ka perioodis, mille jooksul SaaS-teenusepakkuja hoiab oma klientide andmeid p\u00e4rast teenuste tellimise l\u00f5petamist. Seega p\u00e4rast lepingu allkirjastamist peab SaaS-teenusepakkuja s\u00fcsteemiadministraator kandma k\u00f5ik ettev\u00f5tte kontode andmed \u00fcle uude, t\u00f5husamasse ja paremini talitavasse postihalduss\u00fcsteemi, mis tagab kliendile k\u00f5rge SLA.<\/p>\n

Kuna e-posti postkastide \u00fcleviimiseks vajab administraator teatavat aega, on raske ette n\u00e4ha, kui kaua viimise protsess aega v\u00f5tab. Et j\u00e4\u00e4da 15-minutilisse tehnilisse pausisse, otsustab administraator postkastide \u00fcleviimist teostada kahes etapis. Esimeses etapis kopeerib ta uuele serverile k\u00f5ik kasutajaandmed, teises etapis viib ta \u00fcle ise postkastid. Esimese etapi teostamiseks k\u00e4ivitab ta k\u00e4su zxsuite powerstore doMailboxMove secureserver.saas.com domains company.ru stages data<\/b>. T\u00e4nu sellele kantakse k\u00f5ik ettev\u00f5tte domeeni kontode andmed turvaliselt \u00fcle uuele kaitstud serverile. Nende kopeerimine toimub inkrementaalselt, seega kopeeritakse konto l\u00f5plikul \u00fcleviimisel uuele serverile ainult need andmed, mis on ilmunud p\u00e4rast esimest kopeerimist. Tehnilise katkestuse ajal piisab s\u00fcsteemi administraatoril k\u00e4su sisestamisest. zxsuite powerstore doMailboxMove secureserver.saas.com domeenid company.ru etapid andmed, konto teated admin@saas.com<\/b>. T\u00e4nu sellele l\u00f5peb domeeni \u00fcleviimine uude serverisse t\u00e4ielikult. Samuti saadetakse kohe p\u00e4rast selle k\u00e4su t\u00e4itmist administraatori meilile teade selle l\u00f5petamisest ja saab teavitada klienti eduka \u00fclemineku kohta uuele v\u00f5imsamale ja usaldusv\u00e4\u00e4rsemale serverile.<\/p>\n

Siiski ei tohi unustada, et vanas serveris on alles \u00fcleviidud postkastide varukoopiad. SaaS-teenuse pakkuja ei soovi neid vanas serveris hoida ja seega otsustab administraator need kustutada. Ta teeb seda k\u00e4su abil. zxsuite powerstore doPurgeMailboxes ignore_retention true<\/b>. T\u00e4nu sellele k\u00e4sklusele eemaldatakse k\u00f5ik \u00fcleviidud postkastide varukoopiad vanast serverist koheselt.<\/p>\n

Seega, nagu me saime veenduda, annab Zextras PowerStore Zimbra administraatorile praktiliselt piiramatu v\u00f5imekuse postkastide haldamisel, v\u00f5imaldades mitte ainult saavutada horisontaalset skaleerimist, vaid ka lahendada teatud \u00e4ri\u00fclesandeid. Lisaks v\u00f5ib postkastide liigutamine salvestuste vahel olla kasutatud Zimbra postkastide uuendamise protsessi turvalisuse suurendamiseks, kuid see teema v\u00e4\u00e4rib eraldi artiklit.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u0430 Zimbra. \u042d\u0442\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u0441\u043e\u043a\u043e \u0446\u0435\u043d\u0438\u0442\u0441\u044f SaaS-\u043f\u0440\u043e\u0432\u0430\u0439\u0434\u0435\u0440\u0430\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0441\u0432\u043e\u0438\u043c \u043a\u043b\u0438\u0435\u043d\u0442\u0430\u043c \u0434\u043e\u0441\u0442\u0443\u043f \u043a Zimbra Collaboration Suite \u043d\u0430 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u043e\u0439 \u043e\u0441\u043d\u043e\u0432\u0435. \u0422\u0435\u043c \u043d\u0435 \u043c\u0435\u043d\u0435\u0435, \u0442\u0430\u043a\u043e\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0435 \u043b\u0438\u0448\u0435\u043d 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