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

En av de grundl\u00e4ggande uppgifterna f\u00f6r f\u00f6retag \u00e4r tillv\u00e4xt och utveckling. I dagens verklighet, d\u00e4r antalet produktionslokaler \u00f6kar, samt nya anst\u00e4llda och kontraktsparter tillkommer, inneb\u00e4r det ett konstant \u00f6kat tryck p\u00e5 f\u00f6retagets IT-infrastruktur. Det \u00e4r d\u00e4rf\u00f6r viktigt f\u00f6r IT-chefen att ta h\u00e4nsyn till egenskapen skalbarhet vid implementering av vilken l\u00f6sning som helst. M\u00f6jligheten att hantera en h\u00f6g arbetsbelastning vid \u00f6kning av ber\u00e4kningsresurser \u00e4r s\u00e4rskilt kritisk f\u00f6r ISP. L\u00e5t oss titta p\u00e5 vilka skalningsm\u00f6jligheter Zimbra Collaboration Suite erbjuder som en produkt som anv\u00e4nds av olika SaaS-leverant\u00f6rer \u00f6ver hela v\u00e4rlden.<\/p>\n

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

Det finns tv\u00e5 typer av skalbarhet: vertikal och horisontell. I det f\u00f6rsta fallet uppn\u00e5s prestandaf\u00f6rb\u00e4ttringen genom att l\u00e4gga till ber\u00e4kningskraft och andra resurser till redan existerande noder i IT-infrastrukturen, medan den horisontella skalbarheten uppn\u00e5s genom att l\u00e4gga till nya ber\u00e4kningsnoder som tar p\u00e5 sig en del av lasten. Zimbra Collaboration Suite st\u00f6der b\u00e5de horisontell och vertikal skalning.<\/p>\n

Vertikal skalning kommer, om du best\u00e4mmer dig f\u00f6r att l\u00e4gga till ber\u00e4kningskraft till din server, att likna en migration till en ny, mer kraftfull server med Zimbra. Men om du best\u00e4mmer dig f\u00f6r att l\u00e4gga till lagring f\u00f6r e-post p\u00e5 servern, kommer du att st\u00f6ta p\u00e5 begr\u00e4nsningar som finns i Zimbra Open-Source Edition. Anledningen \u00e4r att det i den gratisversionen av Zimbra inte g\u00e5r att ansluta sekund\u00e4ra volymer f\u00f6r e-postlagring. Problemet f\u00f6r anv\u00e4ndare av den gratisversionen av Zimbra ska l\u00f6sas av till\u00e4gget Zextras PowerStore, som m\u00f6jligg\u00f6r anslutning av b\u00e5de fysiska och molnbaserade S3 sekund\u00e4ra lagringsenheter till servern. Dessutom inkluderar PowerStore i Zimbra algoritmer f\u00f6r komprimering och deduplicering, som kan \u00f6ka lagringseffektiviteten p\u00e5 befintliga medier. <\/p>\n

Det \u00e4r s\u00e4rskilt efterfr\u00e5gat att skapa sekund\u00e4ra volymer bland ISP:er som g\u00f6r snabba, men dyra SSD-disken, till den prim\u00e4ra lagringen, medan de sekund\u00e4ra lagras p\u00e5 l\u00e5ngsammare, men billigare HDD-disken. Genom att anv\u00e4nda transparenta l\u00e4nkar som lagras p\u00e5 SSD:er forts\u00e4tter systemet att fungera ganska snabbt, och genom komprimering och deduplicering kan varje server lagra avsev\u00e4rt fler e-postmeddelanden. Som en f\u00f6ljd av detta \u00f6kar den ekonomiska effektiviteten. servrar<\/a> med sekund\u00e4ra lagringsl\u00f6sningar och Zextras PowerStore \u00e4r betydligt h\u00f6gre \u00e4n vid anv\u00e4ndning av den standardfunktionalitet som Zimbra OSE erbjuder.<\/p>\n

\"Skalering
\n
\nHorisontell skalning kan per definition endast anv\u00e4ndas i en fler-serverstruktur. Eftersom alla moduler av Zimbra i en fler-serverinstallation \u00e4r uppdelade p\u00e5 olika maskiner, f\u00e5r administrat\u00f6ren m\u00f6jligheten att praktiskt taget o\u00e4ndligt l\u00e4gga till nya LDAP-repliker, MTA- och proxyservrar samt e-postlagringsl\u00f6sningar. <\/p>\n

Processen f\u00f6r att l\u00e4gga till nya noder upprepar den process som beskrivs i en av v\u00e5ra tidigare artiklar<\/a><\/noindex> om fler-serverinstallation av Zimbra. Det \u00e4r tillr\u00e4ckligt att bara installera de n\u00f6dv\u00e4ndiga Zimbra-modulerna p\u00e5 servern och ange adressen till Master LDAP samt ange autentiseringsuppgifterna. D\u00e4refter blir de nya noderna en del av Zimbras infrastruktur, och Zimbra Proxy s\u00e4kerst\u00e4ller lastbalansering mellan servrarna. Alla tidigare skapade e-postl\u00e5dor och deras inneh\u00e5ll f\u00f6rblir dock p\u00e5 de lagringsl\u00f6sningar d\u00e4r de var bel\u00e4gna tidigare. <\/p>\n

Vanligtvis l\u00e4gger man till nya e-postlagringsl\u00f6sningar i Zimbra-infrastrukturen med en server f\u00f6r 2500 aktiva anv\u00e4ndare av Zimbra webbklient och upp till 5-6 tusen anv\u00e4ndare av desktop- och mobilklienter f\u00f6r e-post. Detta antal anv\u00e4ndare g\u00f6r det m\u00f6jligt att uppn\u00e5 den mest responsiva serverdriften och undvika problem med tillg\u00e4nglighet och l\u00e5ng belastningstid.<\/p>\n

Dessutom har administrat\u00f6rer av multiserversystem \u00e4ven tillg\u00e5ng till anslutning av sekund\u00e4ra lagringsutrymmen samt kompression och deduplicering f\u00f6r varje e-postlagring med hj\u00e4lp av Zextras PowerStore. Anv\u00e4ndningen av detta plugin kan spara upp till 50% av diskutrymmet och i kombination med en \u00f6kning av kostnadseffektiviteten f\u00f6r hela infrastrukturen. F\u00f6r stora ISP:er kan den ekonomiska vinsten fr\u00e5n s\u00e5dan optimering av infrastrukturen n\u00e5 riktigt stora v\u00e4rden.
\n
K\u00e4lla: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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