{"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":"Kiri postkastide vahel Zimbra Collaboration Suite'is","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Oleme juba varem kirjutanud, kui lihtne ja mugav<\/a><\/noindex> on Zimbra Collaboration Suite'i avatud l\u00e4htekoodiga versioon skaleeritav. Uute postikogude lisamine on v\u00f5imalik ilma Zimbra rakendustele infrastruktuuri t\u00f6\u00f6d katkestamata. See funktsioon on k\u00f5rgelt hinnatud SaaS-teenusepakkujate seas, kes pakuvad oma klientidele Zimbra Collaboration Suite'i juurdep\u00e4\u00e4su \u00e4rilistel alustel. Siiski ei ole selle skaleerimisprotsess ilma mitmete puudusteta. Probleem seisneb selles, et uue konto loomisel tasuta versioonis Zimbra, on see j\u00e4igalt seotud postikoguga, kus see on loodud, ning selle edasiviimine teisele serverile Zimbra OSE sisseehitatud vahenditega osutub ebaohutuks ja \u00fcsna t\u00f6\u00f6mahukaks. Siiski ei ole postkastide edasiviimine alati seotud horisontaalse skaleerimisega. N\u00e4iteks v\u00f5ivad SaaS-teenusepakkujad kasutada kontode edasiviimist j\u00f5udsamatele serveritele, kui nende kliendid muudavad oma hinnaplaani. Samuti v\u00f5ib suurtele organisatsioonidele osutuda vajalikuks kontode edasiviimine \u00fcmberkorraldamise korral. <\/p>\n

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

T\u00f5hus t\u00f6\u00f6riist meilisahtlite \u00fcleviimiseks serverite vahel on Zextras PowerStore, mis kuulub modulaarsete laienduste komplekti. Zextras Suite<\/a><\/noindex>Kuna meeskond doMailboxMove<\/b>, v\u00f5imaldab see laiendus maksimaalselt kiiresti ja mugavalt \u00fcle viia mitte ainult \u00fcksikuid kontosid, vaid ka terveid domeene teistesse meilihalduslahendustesse. Vaadakem, kuidas see t\u00f6\u00f6tab ja millistes olukordades toob selle rakendamine maksimaalset kasu.<\/p>\n

V\u00f5tame n\u00e4iteks ettev\u00f5tte, mis alustas v\u00e4ikestes kontoriruumides, kuid kasvas hiljem keskmiseks ettev\u00f5tteks mitme saja t\u00f6\u00f6tajaga. Juba alguses rakendati ettev\u00f5ttes Zimbra Collaboration Suite Open-Source Edition. Tasuta ja riistvaralise n\u00f5udlikkuse poolest mitte liiga keeruline lahendus koost\u00f6\u00f6ks sobis ideaalselt alustavale ettev\u00f5ttele. Siiski, p\u00e4rast seda kui t\u00f6\u00f6tajate arv ettev\u00f5ttes kordades suurenes, hakkas server koormusega toime tulema ja t\u00f6\u00f6tama aeglasemalt. Selle probleemi lahendamiseks eraldas juhtkond raha uue postihoidla soetamiseks, et osa kontosid sinna paigutada. Kuid pelgalt teise hoidla \u00fchendamine ei toonud mingit kasu, kuna k\u00f5ik loodud kontod j\u00e4id vanale serverile, mis lihtsalt ei suutnud nende arvuga toime tulla.<\/p>\n

Zimbra Collaboration Suite on konstruktsioon on selline, et peamine roll selle kiirusest m\u00e4ngib lugemis- ja kirjutamiskiirus, seega serveri arvutusv\u00f5imsuse suurendamine ei kahekordista Zimbra j\u00f5udlust. Teisis\u00f5nu, kaks serverit, millel on 4- tuumalised protsessorid ja 32 gigabaiti t\u00f6\u00f6m\u00e4lu, n\u00e4itavad oluliselt paremat j\u00f5udlust kui \u00fcks server, millel on 8-tuuma protsessor ja 64 gigabaiti t\u00f6\u00f6m\u00e4lu.<\/p>\n

Selle probleemi lahendamiseks kasutas s\u00fcsteemiadministraator Zextras'i lahendust. Kasutades j\u00e4rgmist k\u00e4sku, zxsuite powerstore doMailboxMove mail2.company.com accounts user@company.com stages data,account<\/b> administraator viib \u00fcksikult viimased sada loodud kontot uude salvestusse. P\u00e4rast selle protsessi l\u00f5puleviimist v\u00e4henes koormus vanal serveril m\u00e4rkimisv\u00e4\u00e4rselt ja Zimbra kasutamine muutus taas mugavaks ja meeldivaks.<\/p>\n

Kujutame ette teise stsenaariumi: v\u00e4ike ettev\u00f5te kasutab SaaS-teenusepakkuja teenuseid, et saada juurde Zimbrale mitme\u00fc\u00fcrilise teenuse kaudu. Ettev\u00f5ttel on selleks oma hind ja juurdep\u00e4\u00e4s kontode haldamisele ning nii edasi. Peagi v\u00f5idab ettev\u00f5te suurt hankelepingut ja suurendab j\u00e4rsult oma t\u00f6\u00f6tajate arvu. Selle tulemusena suureneb ka koost\u00f6\u00f6 s\u00fcsteemi roll. Kontaktide kasutamise v\u00f5imalused, t\u00f6\u00f6tajate vahelise kohese suhtluse korraldamine ja tegevuste koordineerimine kalendrite ja p\u00e4evikute abil on suurte projektide elluviimisel \u00e4\u00e4rmiselt olulised. Samal ajal, ajapuuduse t\u00f5ttu, ei ole v\u00f5imalik \u00fcle minna enda Zimbra infrastruktuurile. Seet\u00f5ttu otsustab juhtkond s\u00f5lmida oma SaaS-teenusepakkujaga uue lepingu, kus on rangem SLA ja seega ka teenuste k\u00f5rgem hind.<\/p>\n

SaaS-teenusepakkujal on mitu salvestusruumi, mida kasutatakse klientide teenindamiseks, kellel on erinevad teenusplaanid. Lisaks SLA-le v\u00f5ivad odavamate plaanide serverid olla varustatud aeglasemate HDD-dega, olla harva varundatud ning neil ei pruugi olla v\u00f5imalust s\u00fcnkroonida juurdep\u00e4\u00e4su mobiilseadmetega. Oluline erinevus on ka aeg, mille jooksul SaaS-teenusepakkuja s\u00e4ilitab klientide andmed p\u00e4rast teenuste tellimuse l\u00f5ppemist. Seet\u00f5ttu peab p\u00e4rast lepingu s\u00f5lmimist SaaS-teenusepakkuja s\u00fcsteemiadministraator edastama k\u00f5igi ettev\u00f5tte kontode andmed uude, usaldusv\u00e4\u00e4rsemasse ja j\u00f5udsamasse e-posti salvestusruumi, mis tagab kliendile k\u00f5rge SLA.<\/p>\n

Kuna postkastide \u00fclekandmine n\u00f5uab administraatorilt aega, on raske ennustada, kui kaua see protsess t\u00e4pselt aega v\u00f5tab. Et mahtuda 15-minutilisse tehnilisse paus, otsustab administraator teostada postkastide \u00fclekande kahes etapis. Esimeses etapis kopeerib ta uuele serverile k\u00f5ik kasutaja andmed, teises etapis aga \u00fclekandmise ise. Selleks et esimest etappi teostada, 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 uuele kaitstud serverile. Andmete kopeerimine toimub inkrementaalselt, seega kontode l\u00f5plikul \u00fclekandel serverisse kopeeritakse ainult need andmed, mis ilmusid p\u00e4rast esimest kopeerimist. Tehnilise pausi saabudes on s\u00fcsteemiadministraatoril piisav sisestada k\u00e4sk zxsuite powerstore doMailboxMove secureserver.saas.com domains company.ru stages data,account notifications admin@saas.com<\/b>. T\u00e4nu sellele protsess domeeni \u00fcleviimiseks uuele serverile l\u00f5peb t\u00e4ielikult. Samuti saadetakse kohe p\u00e4rast selle k\u00e4su t\u00e4itmise l\u00f5ppu administraatori e-posti aadressile teade selle l\u00f5petamisest, mille j\u00e4rel saab klienti teavitada eduka \u00fclemineku kohta enam efektiivsele ja usaldusv\u00e4\u00e4rsemale serverile.<\/p>\n

Siiski ei tohi unustada, et vanas serveris on j\u00e4\u00e4nud reserveeritud koopiaid \u00fcleviitud postkastidest. SaaS-teenuse pakkuja ei ole huvitatud nende s\u00e4ilitamisest vanas serveris, mist\u00f5ttu otsustab administraator need kustutada. Ta teeb seda k\u00e4su abil zxsuite powerstore doPurgeMailboxes ignore_retention true<\/b>. See k\u00e4sk kustutab k\u00f5ik reserveeritud koopiad uude serverisse \u00fcleviitud postkastidest kohe vanast serverist.<\/p>\n

Nii saavad Zextras PowerStore'i abil Zimbra administraatorid peaaegu piiramatud v\u00f5imalused postkastide haldamiseks, v\u00f5imaldades mitte ainult horisontaalset skaleerimist, vaid isegi m\u00f5nede \u00e4riprobleemide lahendamist. Lisaks v\u00f5ib postkastide liigutamine ladustamis\u00fcsteemide vahel suurendada Zimbra postikogumite v\u00e4rskendamise protsessi turvalisust, 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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Uute postikogumite lisamine toimub ilma Zimbra \u00fclesehitatud infrastruktuuri t\u00f6\u00f6d peatamata. See v\u00f5imalus on SaaS-teenuse pakkujatele v\u00e4ga v\u00e4\u00e4rtuslik, v\u00f5imaldades nende klientidel juurdep\u00e4\u00e4su Zimbra Collaboration Suite'ile kommertsgraafikus. 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