{"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\/ro\/blog\/administrirovanie\/perenos-pochtovyh-yashhikov-mezhdu-hranilishhami-v-zimbra-collboration-suite","title":{"rendered":"Migrarea c\u0103su\u021belor po\u0219tale \u00eentre stoc\u0103ri \u00een Zimbra Collaboration Suite","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Anterior am scris despre c\u00e2t de u\u0219or \u0219i simplu se scaleaz\u0103 Zimbra Collaboration Suite Open-Source Edition. Ad\u0103ugarea de noi depozite de e-mail poate fi realizat\u0103 f\u0103r\u0103 a opri infrastructura pe care este implementat\u0103 Zimbra. Aceast\u0103 capacitate este foarte apreciat\u0103 de furnizorii SaaS care ofer\u0103 clien\u021bilor lor acces la Zimbra Collaboration Suite pe o baz\u0103 comercial\u0103. Cu toate acestea, acest proces de scalare nu este lipsit de o serie de dezavantaje. C\u00e2nd se creeaz\u0103 un nou cont \u00een versiunea gratuit\u0103 Zimbra, acesta devine strict legat de depozitul de e-mail pe care a fost creat, iar transferul s\u0103u pe un alt server prin intermediul instrumentelor \u00eencorporate ale Zimbra OSE se dovede\u0219te a fi nesigur \u0219i destul de laborios. Totu\u0219i, transferul c\u0103su\u021belor po\u0219tale nu este \u00eentotdeauna legat de scalarea orizontal\u0103. De exemplu, furnizorii SaaS pot utiliza transferul conturilor pe servere mai eficiente \u00een cazul \u00een care clien\u021bii lor \u00ee\u0219i schimb\u0103 planul tarifar. De asemenea, transferul conturilor poate fi necesar pentru organiza\u021biile mari \u00een cazul unei restructur\u0103ri.<\/a><\/noindex> Un instrument puternic pentru transferul conturilor de e-mail \u00eentre servere este Zextras PowerStore, care face parte din setul de extensii modulare <\/p>\n

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

. Datorit\u0103 echipei Zextras Suite<\/a><\/noindex>doMailboxMove , aceast\u0103 extensie permite transferul rapid \u0219i convenabil nu doar al conturilor individuale, ci \u0219i al \u00eentregilor domenii pe alte depozite de e-mail. Haide\u021bi s\u0103 vedem cum func\u021bioneaz\u0103 \u0219i \u00een ce cazuri utilizarea sa va oferi efectul maxim.<\/b>, aceast\u0103 extindere permite transferul rapid \u0219i convenabil nu doar al conturilor individuale, ci \u0219i al \u00eentregilor domenii c\u0103tre alte spa\u021bii de stocare po\u0219tal\u0103. S\u0103 \u00een\u021belegem cum func\u021bioneaz\u0103 \u0219i \u00een ce situa\u021bii aplicarea sa va oferi cel mai mare efect.<\/p>\n

De exemplu, s\u0103 lu\u0103m o companie care a \u00eenceput cu un mic birou, dar care ulterior s-a extins p\u00e2n\u0103 la o \u00eentreprindere medie cu c\u00e2teva sute de angaja\u021bi. \u00cenc\u0103 de la \u00eenceput, \u00een cadrul companiei a fost implementat\u0103 Zimbra Collaboration Suite Open-Source Edition. O solu\u021bie gratuit\u0103 \u0219i destul de pu\u021bin solicitant\u0103 pentru hardware, ideal\u0103 pentru o companie la \u00eenceput de drum. Cu toate acestea, dup\u0103 ce num\u0103rul angaja\u021bilor a crescut exponen\u021bial, serverul a \u00eenceput s\u0103 nu mai fac\u0103 fa\u021b\u0103 \u00eenc\u0103rc\u0103rii \u0219i a \u00eenceput s\u0103 func\u021bioneze mai lent. Pentru a rezolva aceast\u0103 problem\u0103, conducerea a alocat fonduri pentru achizi\u021bia unui nou depozit de e-mail, pentru a g\u0103zdui o parte din conturi. Totu\u0219i, conectarea celui de-al doilea depozit nu a adus nicio \u00eembun\u0103t\u0103\u021bire, deoarece toate conturile create au r\u0103mas pe serverul vechi, care pur \u0219i simplu nu putea face fa\u021b\u0103 num\u0103rului acestora.<\/p>\n

Zimbra Collaboration Suite este conceput\u0103 astfel \u00eenc\u00e2t viteza de citire \u0219i scriere a suportului s\u0103 joace un rol principal \u00een performan\u021ba sa, iar cre\u0219terea capacit\u0103\u021bilor de calcul ale serverului nu va duce la o dublare a performan\u021bei Zimbra. Cu alte cuvinte, dou\u0103 servere cu procesoare cu 4 nuclee \u0219i 32 de gigaocte\u021bi de memorie RAM vor avea o performan\u021b\u0103 semnificativ mai bun\u0103 dec\u00e2t un singur server cu un procesor cu 8 nuclee \u0219i 64 de gigaocte\u021bi de memorie RAM.<\/p>\n

Pentru a rezolva aceast\u0103 problem\u0103, administratorul de sistem a recurs la o solu\u021bie de la Zextras. Folosind o comand\u0103 de tipul zxsuite powerstore doMailboxMove mail2.company.com accounts user@company.com stages data,account<\/b> administratorul mut\u0103, unul c\u00e2te unul, cele din urm\u0103 o sut\u0103 de conturi create \u00een noul depozit. Dup\u0103 finalizarea acestui proces, \u00eenc\u0103rcarea serverului vechi s-a redus semnificativ \u0219i utilizarea Zimbra a devenit din nou confortabil\u0103 \u0219i pl\u0103cut\u0103 pentru utilizatori.<\/p>\n

S\u0103 ne imagin\u0103m o alt\u0103 situa\u021bie: o companie mic\u0103 folose\u0219te serviciile unui furnizor SaaS pentru a accesa Zimbra pe baza unui model multi-tenant. Compania beneficiaz\u0103 de un plan propriu, cu acces la administrarea conturilor \u0219i a\u0219a mai departe. Totu\u0219i, \u00een cur\u00e2nd, compania c\u00e2\u0219tig\u0103 un tender mare \u0219i \u00ee\u0219i m\u0103re\u0219te brusc personalul. Prin urmare, rolul sistemului de colaborare devine semnificativ mai important. Capacit\u0103\u021bile de utilizare a carnetului de adrese, organizarea comunic\u0103rii instantanee \u00eentre angaja\u021bi, precum \u0219i coordonarea ac\u021biunilor prin intermediul calendarilor \u0219i agendelor sunt extrem de importante \u00een realizarea proiectelor mari. \u00cen aceste condi\u021bii de lips\u0103 de timp, migrarea pe propria infrastructur\u0103 Zimbra nu este fezabil\u0103. Din aceast\u0103 cauz\u0103, conducerea decide s\u0103 semneze un nou contract cu furnizorul s\u0103u SaaS, care va avea un SLA mai strict \u0219i, \u00een consecin\u021b\u0103, un cost mai mare al serviciilor.<\/p>\n

Furnizorul SaaS, la r\u00e2ndul s\u0103u, dispune de mai multe stoc\u0103ri care sunt folosite pentru a deservi clien\u021bii care au diferite planuri tarifare. Pe l\u00e2ng\u0103 SLA, serverele pentru planurile mai ieftine pot fi echipate cu HDD-uri mai lente, care sunt rezervate mai rar, \u0219i care nu au posibilitatea de a sincroniza datele conturilor cu dispozitive mobile. O diferen\u021b\u0103 semnificativ\u0103 este \u0219i perioada \u00een care furnizorul SaaS stocheaz\u0103 datele clien\u021bilor dup\u0103 expirarea abonamentului la serviciile sale. Astfel, dup\u0103 semnarea contractului, administratorul sistemului furnizorului SaaS trebuie s\u0103 mute datele tuturor conturilor companiei pe un nou sistem de stocare a po\u0219tei, mai rezistent la defec\u021biuni \u0219i mai performant, care s\u0103 garanteze clientului un SLA ridicat.<\/p>\n

Pentru a realiza migrarea c\u0103su\u021belor po\u0219tale, administratorului \u00eei va fi necesar un anumit timp, iar a prezice c\u00e2t timp va dura procesul de migrare a c\u0103su\u021belor po\u0219tale este destul de dificil. Pentru a se \u00eencadra \u00een o pauz\u0103 tehnic\u0103 de 15 minute, administratorul decide s\u0103 efectueze migrarea c\u0103su\u021belor po\u0219tale \u00een dou\u0103 etape. \u00cen prima etap\u0103, el va copia datele utilizatorilor pe noul server, iar \u00een a doua etap\u0103 va muta efectiv conturile. Pentru a \u00eendeplini prima etap\u0103, lanseaz\u0103 comanda zxsuite powerstore doMailboxMove secureserver.saas.com domains company.ru stages data<\/b>. Datorit\u0103 acestuia, toate datele conturilor de pe domeniul companiei vor fi transferate \u00een siguran\u021b\u0103 pe un nou server protejat. Copierea acestora se realizeaz\u0103 incremental, a\u0219a c\u0103, la transferul final al conturilor pe noul server, vor fi copiate doar acele date care au ap\u0103rut dup\u0103 prima copiere. \u00cen momentul \u00eentreruperii tehnice, administratorul sistemului trebuie s\u0103 introduc\u0103 comanda zxsuite powerstore doMailboxMove secureserver.saas.com domenii company.ru etape date, notific\u0103ri cont admin@saas.com<\/b>. Datorit\u0103 ei, procesul de transfer al domeniului pe noul server se va finaliza complet. De asemenea, imediat dup\u0103 finalizarea acestei comenzi, administratorul va primi o notificare pe email despre aceasta \u0219i se va putea informa clientul despre trecerea cu succes pe un server mai performant \u0219i mai fiabil.<\/p>\n

Cu toate acestea, nu trebuie uitat c\u0103 pe vechiul server au r\u0103mas copii de rezerv\u0103 ale c\u0103su\u021belor po\u0219tale transferate. Furnizorul SaaS nu este interesat s\u0103 le p\u0103streze pe vechiul server \u0219i, prin urmare, administratorul decide s\u0103 le \u0219tearg\u0103. O face cu ajutorul comenzii zxsuite powerstore doPurgeMailboxes ignore_retention true<\/b>. Datorit\u0103 acestei comenzi, toate copiile de rezerv\u0103 ale c\u0103su\u021belor transferate pe noul server vor fi \u0219terse instantaneu de pe vechiul server.<\/p>\n

Astfel, a\u0219a cum am putut constata, Zextras PowerStore ofer\u0103 administratorului Zimbra practic posibilit\u0103\u021bi nelimitate de gestionare a c\u0103su\u021belor po\u0219tale, permi\u021b\u00e2nd nu doar atingerea scalabilit\u0103\u021bii orizontale, ci chiar rezolvarea unor probleme de afaceri. \u00cen plus, mutarea c\u0103su\u021belor po\u0219tale \u00eentre depozite poate fi folosit\u0103 pentru sporirea securit\u0103\u021bii procesului de actualizare a depozitelor po\u0219tale Zimbra, \u00eens\u0103 acest subiect merit\u0103 un articol separat.
\n
Sursa: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u043d\u0435\u0435 \u043c\u044b \u0443\u0436\u0435 \u043f\u0438\u0441\u0430\u043b\u0438 \u043e \u0442\u043e\u043c, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043b\u0435\u0433\u043a\u043e \u0438 \u043f\u0440\u043e\u0441\u0442\u043e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u0442\u0441\u044f Zimbra Collaboration Suite Open-Source Edition. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u043e\u0432\u044b\u0445 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449 \u043c\u043e\u0436\u043d\u043e \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0442\u044c \u043d\u0435 \u043e\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u044f \u0440\u0430\u0431\u043e\u0442\u0443 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \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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