{"id":38966,"date":"2019-10-31T22:27:03","date_gmt":"2019-10-31T19:27:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/admin-bez-ruk-giperkonvergentsiya\/"},"modified":"2019-10-31T22:27:03","modified_gmt":"2019-10-31T19:27:03","slug":"admin-bez-ruk-giperkonvergentsiya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/admin-bez-ruk-giperkonvergentsiya","title":{"rendered":"Admin pa duar = hiper-konvergjenc\u00eb?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/ea1763132185c97bb4edf0e67640d58f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/b6355c444c310570e1f2619cd931e1ca.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKy \u00ebsht\u00eb nj\u00eb mit, mjaft i p\u00ebrhapur n\u00eb fush\u00ebn e harduerit t\u00eb serverit. N\u00eb praktik\u00eb, megjithat\u00eb, zgjidhjet hiperkonvergjente (kur gjith\u00e7ka \u00ebsht\u00eb n\u00eb nj\u00eb) jan\u00eb t\u00eb nevojshme p\u00ebr shum\u00eb arsye. Historikisht, arkitekturat e para u zhvilluan nga Amazon dhe Google p\u00ebr sh\u00ebrbimet e tyre. At\u00ebher\u00eb, ideja ishte t\u00eb krijohej nj\u00eb ferm\u00eb llogarit\u00ebse nga nyje t\u00eb ngjashme, t\u00eb \u00e7do nj\u00ebra prej t\u00eb cilave kishte hard disk\u00ebt e saj. T\u00eb gjitha k\u00ebto bashkoheshin me nj\u00eb softuer sistemor (hipervizor) dhe ndaheshin m\u00eb tej n\u00eb makina virtuale. Q\u00ebllimi kryesor \u2014 minimumi i p\u00ebrpjekjeve p\u00ebr mir\u00ebmbajtjen e nj\u00eb nyje dhe minimumi i problemeve gjat\u00eb shkall\u00ebzimit: thjesht blen\u00eb nj\u00eb mij\u00eb ose dy t\u00eb tjera t\u00eb tilla dhe i lidhnin ngjitur. N\u00eb praktik\u00eb, kjo \u00ebsht\u00eb nj\u00ebndjike, dhe m\u00eb shpesh flitet p\u00ebr nj\u00eb num\u00ebr m\u00eb t\u00eb vog\u00ebl nyjesh dhe nj\u00eb arkitektur\u00eb pak m\u00eb ndryshe. <\/p>\n<p>Por p\u00ebrfitimi mbetet i nj\u00ebjt\u00eb \u2014 thjesht\u00ebsia e jasht\u00ebzakonshme e shkall\u00ebzimit dhe menaxhimit. Mang\u00ebsia \u2014 detyra t\u00eb ndryshme konsumojn\u00eb burime n\u00eb m\u00ebnyr\u00eb t\u00eb ndryshme, dhe ndonj\u00ebher\u00eb disa disqe lokale do t\u00eb jen\u00eb t\u00eb shumt\u00eb, nd\u00ebrsa n\u00eb vende t\u00eb tjera do t\u00eb ket\u00eb pak RAM dhe k\u00ebshtu me radh\u00eb, pra, n\u00eb var\u00ebsi t\u00eb llojit t\u00eb detyrave, do t\u00eb ket\u00eb r\u00ebnie t\u00eb shfryt\u00ebzimit t\u00eb burimeve. <\/p>\n<p>K\u00ebshtu doli q\u00eb po paguanit 10-15% m\u00eb shum\u00eb p\u00ebr leht\u00ebsin\u00eb e konfigurimit. Ky \u00ebsht\u00eb edhe miti nga titulli. Kemi k\u00ebrkuar p\u00ebr nj\u00eb koh\u00eb t\u00eb gjat\u00eb se ku do t\u00eb aplikohej shk\u00eblqyesh\u00ebm teknologjia dhe e gjet\u00ebm. Problemi \u00ebsht\u00eb se Cisco nuk kishte sistemet e tij t\u00eb ruajtjes, por ata donin t\u00eb ishin t\u00eb pranish\u00ebm n\u00eb t\u00ebr\u00eb tregun e server\u00ebve. Prandaj krijuan Cisco Hyperflex \u2014 nj\u00eb zgjidhje me depozita lokale n\u00eb nyje. <\/p>\n<p>Dhe nga kjo papritur doli nj\u00eb zgjidhje shum\u00eb e mir\u00eb p\u00ebr qendrat e t\u00eb dh\u00ebnave rezerv\u00eb (Disaster Recovery). Pse dhe si \u2014 tani do t'ju tregoj. Dhe do t\u00eb tregoj testet e klasterit. <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Ku \u00ebsht\u00eb e nevojshme<\/h3>\n<p>\nHiperkonvergenca \u00ebsht\u00eb: <\/p>\n<ol>\n<li>Transferimi i disqeve n\u00eb nyjet kompjuterike.<\/li>\n<li>Integrimi i plot\u00eb i sistemit t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave me sistemin e virtualizimit.<\/li>\n<li>Transferimi\/integrimi me sistemin rrjetor.<\/li>\n<\/ol>\n<p>\nKjo lidhje lejon realizimin e shum\u00eb funksioneve t\u00eb sistemit t\u00eb ruajtjes n\u00eb nivelin e virtualizimit dhe gjith\u00e7ka nga nj\u00eb dritare menaxhimi.<\/p>\n<p>N\u00eb kompanin\u00eb ton\u00eb, projektet p\u00ebr projektimin e qendrave t\u00eb t\u00eb dh\u00ebnave rezerv\u00eb jan\u00eb shum\u00eb t\u00eb k\u00ebrkuara, dhe shpesh zgjidhet pik\u00ebrisht zgjidhja hiperkonvergente p\u00ebr shkak t\u00eb shum\u00eb mund\u00ebsive p\u00ebr replikim (deri n\u00eb metroklauster) nga kutia. <\/p>\n<p>N\u00eb rastin e qendrave t\u00eb t\u00eb dh\u00ebnave rezerv\u00eb, zakonisht flitet p\u00ebr nj\u00eb objekt t\u00eb larg\u00ebt n\u00eb nj\u00eb vend tjet\u00ebr n\u00eb qytet ose madje n\u00eb nj\u00eb qytet tjet\u00ebr. Ai lejon rikthimin e sistemeve kritike n\u00eb rast t\u00eb d\u00ebshtimit t\u00eb pjessh\u00ebm ose t\u00eb plot\u00eb t\u00eb qendr\u00ebs kryesore t\u00eb t\u00eb dh\u00ebnave. T\u00eb dh\u00ebnat nga prodhimi replikohen vazhdimisht aty, dhe kjo replikim mund t\u00eb jet\u00eb n\u00eb nivelin e aplikacionit ose n\u00eb nivelin e nj\u00eb pajisjeje bllokuese (SHTD).<\/p>\n<p>Prandaj, tani do t\u00eb flas p\u00ebr struktur\u00ebn e sistemit dhe testet, dhe pastaj p\u00ebr disa skenar\u00eb t\u00eb aplikimit t\u00eb v\u00ebrtet\u00eb me t\u00eb dh\u00ebna mbi kursimet. <\/p>\n<h3>Testet<\/h3>\n<p>\nEksemplari yn\u00eb p\u00ebrb\u00ebhet nga kat\u00ebr server\u00eb, t\u00eb cil\u00ebt kan\u00eb nga 10 disqe SSD me kapacitet 960 GB secili. Ka nj\u00eb disk t\u00eb dedikuar p\u00ebr keshimin e operacioneve t\u00eb shkruara dhe ruajtjen e makin\u00ebs virtuale sh\u00ebrbyese. Zgjidhja \u00ebsht\u00eb versioni i kat\u00ebrt. Versioni i par\u00eb ishte hapur (sipas komenteve), i dyti ishte i papjekur, i treti ishte mjaft stabil, dhe k\u00ebt\u00eb mund ta quajm\u00eb l\u00ebshim pas p\u00ebrfundimit t\u00eb testit beta me nj\u00eb audienc\u00eb t\u00eb gjer\u00eb. Gjat\u00eb testimit nuk kam par\u00eb probleme, gjith\u00e7ka funksionon si\u00e7 duhet.<\/p>\n<p><b class=\"spoiler_title\">Ndryshimet n\u00eb v4<\/b>P\u00ebrmir\u00ebsuar nj\u00eb grumbull gabimesh. <\/p>\n<p>N\u00eb fillim, plataforma mund t\u00eb funksiononte vet\u00ebm me hipervizorin VMware ESXi dhe mb\u00ebshteste nj\u00eb num\u00ebr t\u00eb vog\u00ebl nodash. Gjithashtu, procesi i vendosjes nuk p\u00ebrfundonte gjithmon\u00eb me sukses, duke detyruar ri-fillimin e disa hapave, kishim probleme me azhurnimet nga versionet e vjetra, dhe t\u00eb dh\u00ebnat n\u00eb GUI shpesh nuk shfaqeshin sakt\u00eb (ndon\u00ebse edhe tani nuk jam i k\u00ebnaqur me vizatimet e performanc\u00ebs), ndonj\u00ebher\u00eb ishin probleme n\u00eb prehjen me virtualizimin.<\/p>\n<p>Tani t\u00eb gjitha dob\u00ebsit\u00eb e f\u00ebmij\u00ebris\u00eb jan\u00eb korrigjuar, HyperFlex mb\u00ebshtet dhe ESXi, dhe Hyper-V, plus \u00ebsht\u00eb e mundur:<\/p>\n<ol>\n<li>Krijimi i nj\u00eb klasteri t\u00eb shtrir\u00eb. <\/li>\n<li>Krijimi i nj\u00eb klasteri p\u00ebr zyra pa p\u00ebrdorur Fabric Interconnect, nga dy n\u00eb kat\u00ebr nod\u00eb (blejm\u00eb vet\u00ebm server\u00eb).<\/li>\n<li>Mund\u00ebsia p\u00ebr t\u00eb punuar me ruajt\u00ebse t\u00eb jashtme t\u00eb t\u00eb dh\u00ebnave.<\/li>\n<li>Mb\u00ebshtetje p\u00ebr kontejner\u00ebt dhe Kubernetes.<\/li>\n<li>Krijimi i zonave t\u00eb aksesit.<\/li>\n<li>Integrimi me VMware SRM, n\u00ebse funksionaliteti i integruar nuk \u00ebsht\u00eb i mjaftuesh\u00ebm.<\/li>\n<\/ol>\n<p>Arkitektura nuk ndryshon ndjesh\u00ebm nga zgjidhjet e konkurrent\u00ebve kryesor\u00eb; nuk kemi rikrijuar rulet\u00ebn. T\u00eb gjitha funksionon n\u00eb platform\u00ebn e virtualizimit VMware ose Hyper-V. Hardware vendoset n\u00eb server\u00ebt e zhvilluar vet\u00eb nga Cisco UCS. Ka ata q\u00eb e urrejn\u00eb k\u00ebt\u00eb platform\u00eb p\u00ebr kompleksitetin e saj fillestar, numrin e madh t\u00eb butonave, sistemin e nd\u00ebrlikuar t\u00eb shablloneve dhe var\u00ebsive, por ka edhe ata q\u00eb kan\u00eb arritur zenin, jan\u00eb p\u00ebrthithur nga ideja dhe nuk duan t\u00eb punojn\u00eb m\u00eb me servera t\u00eb tjer\u00eb. <\/p>\n<p>Ne do t\u00eb shqyrtojm\u00eb zgjidhjen p\u00ebr VMware, sepse zgjidhja \u00ebsht\u00eb krijuar fillimisht p\u00ebr t\u00eb dhe ka funksionalitet m\u00eb t\u00eb madh; Hyper-V \u00ebsht\u00eb p\u00ebrmir\u00ebsuar gjat\u00eb rrug\u00ebs n\u00eb m\u00ebnyr\u00eb q\u00eb t\u00eb mos mbetet pas konkurrent\u00ebve dhe p\u00ebr t'u p\u00ebrputhur me pritjet e tregut.<\/p>\n<p>Ka nj\u00eb klaster serverash t\u00eb mbushura me disqe. Ka disqe p\u00ebr ruajtjen e t\u00eb dh\u00ebnave (SSD ose HDD - sipas d\u00ebshir\u00ebs dhe nevojave tuaja), dhe ka nj\u00eb disq t\u00eb vet\u00ebm SSD p\u00ebr keqstrimin. Kur shkruhen t\u00eb dh\u00ebnat n\u00eb datastore, ndodh ruajtja e t\u00eb dh\u00ebnave n\u00eb slojin e keqstrimit (disku SSD i dedikuar dhe RAM e VM-s\u00eb sh\u00ebrbimit). Paralelisht, blloku i t\u00eb dh\u00ebnave d\u00ebrgohet n\u00eb node-t n\u00eb klaster (numri i node-ve varet nga faktor\u00ebt e replikimit t\u00eb klasterit). Pasi t\u00eb konfirmohet nga t\u00eb gjitha node-t p\u00ebr shkruan e suksesshme, konfirmimi i shkruan d\u00ebrgohet n\u00eb hipervizor dhe m\u00eb pas - n\u00eb VM. T\u00eb dh\u00ebnat e shkruara n\u00eb sfond dedupplikohen, kompresohen dhe shkruhen n\u00eb disqet e ruajtjes. N\u00eb k\u00ebt\u00eb proces, gjithmon\u00eb shkruhet nj\u00eb bllok i madh n\u00eb m\u00ebnyr\u00eb sekondare, duke reduktuar ngarkes\u00ebn mbi disqet e ruajtjes.<\/p>\n<p>Deduplication dhe kompresimi jan\u00eb gjithmon\u00eb aktiv, dhe nuk mund t\u00eb \u00e7aktivizohen. Leximi i t\u00eb dh\u00ebnave b\u00ebhet drejtp\u00ebrdrejt nga disqet e ruajtjes ose nga cache RAM. N\u00ebse p\u00ebrdoret nj\u00eb konfigurim hibrid, leximi gjithashtu ruhet n\u00eb diskun SSD.<\/p>\n<p>T\u00eb dh\u00ebnat nuk jan\u00eb t\u00eb lidhura me lokacionin aktual t\u00eb makin\u00ebs virtuelle dhe shp\u00ebrndahen nj\u00eblloj midis nodave. Ky qasje lejon ngarkimin e nj\u00ebjt\u00eb t\u00eb t\u00eb gjitha disqeve dhe nd\u00ebrfaqeve rrjet. Nj\u00eb disavantazh i duksh\u00ebm \u00ebsht\u00eb se nuk mund t\u00eb minimizojm\u00eb vonesat n\u00eb lexim, p\u00ebr shkak se nuk ka garanci p\u00ebr pranin\u00eb e t\u00eb dh\u00ebnave lokal. Megjithat\u00eb, un\u00eb mendoj se kjo \u00ebsht\u00eb nj\u00eb sakrifice e vog\u00ebl krahasuar me avantazhet q\u00eb marrim. M\u00eb shum\u00eb, vonesat n\u00eb rrjet kan\u00eb arritur nivele t\u00eb tilla sa q\u00eb praktikisht nuk ndikojn\u00eb n\u00eb rezultatet e p\u00ebrgjithshme.<\/p>\n<p>E gjith\u00eb logjika e funksionimit t\u00eb n\u00ebnstruktur\u00ebs s\u00eb disk\u00ebve \u00ebsht\u00eb menaxhuar nga nj\u00eb VM sh\u00ebrbimi speciale Cisco HyperFlex Data Platform controller, e cila krijohet n\u00eb \u00e7do nod t\u00eb ruajtjes. N\u00eb konfigurimin ton\u00eb, VM sh\u00ebrbimi mori tet\u00eb vCPU dhe 72 GB RAM, q\u00eb s\u2019\u00ebsht\u00eb aspak pak. T\u00eb rikujtoj se vet\u00eb host-i ka 28 b\u00ebrthama fizike dhe 512 GB RAM.<\/p>\n<p>Makin\u00eb Virtuale Sh\u00ebrbimi ka qasje n\u00eb disqet fizike direkt p\u00ebrmes kalimit t\u00eb kontroluesit SAS n\u00eb VM. Komunikimi me hipervizorin ndodh p\u00ebrmes nj\u00eb moduli t\u00eb ve\u00e7ant\u00eb IOVisor, i cili kap operacionet e hyrjes dhe daljes, si dhe p\u00ebrmes nj\u00eb agjenti q\u00eb lejon d\u00ebrgimin e komandave n\u00eb API-n\u00eb e hipervizorit. Agjenti \u00ebsht\u00eb p\u00ebrgjegj\u00ebs p\u00ebr pun\u00ebn me snapshotet dhe klon\u00ebt HyperFlex.<\/p>\n<p>N\u00eb hipervizor, burimet diskore montohen si ndar\u00ebse NFS ose SMB (varet nga tipi i hipervizorit, tregoni se cila \u00ebsht\u00eb cila). Por n\u00ebn kapak \u00ebsht\u00eb nj\u00eb sistem i shp\u00ebrndar\u00eb skedar\u00ebsh, i cili lejon shtimin e karakteristikave t\u00eb plota t\u00eb depove t\u00eb dh\u00ebnash: alokim t\u00eb holl\u00eb t\u00eb volumeve, kompresim dhe deduplikim, snapshotet me teknologjin\u00eb Redirect-on-Write, replikim sinkron\/asinchron.<\/p>\n<p>Makin\u00eb Virtuale Sh\u00ebrbimi ofron qasje n\u00eb nd\u00ebrfaqen WEB p\u00ebr menaxhimin e sistemit HyperFlex. Ka integrim me vCenter, dhe shumica e detyrave t\u00eb p\u00ebrditshme mund t\u00eb kryhen prej tij, por datastoret, p\u00ebr shembull, \u00ebsht\u00eb m\u00eb e leht\u00eb t\u2019i ndajm\u00eb nga nj\u00eb nd\u00ebrfaqe e ve\u00e7ant\u00eb web n\u00ebse keni kaluar n\u00eb nd\u00ebrfaqen e shpejt\u00eb HTML5, ose t\u00eb p\u00ebrdorni nj\u00eb klient t\u00eb plot\u00eb Flash me integrim t\u00eb plot\u00eb. N\u00eb nd\u00ebrfaqen e sh\u00ebrbimit mund t\u00eb shihni performanc\u00ebn dhe statusin e detajuar t\u00eb sistemit.<\/p>\n<p><img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/4f603b38d6489836892bebc76663eb2f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nEkziston edhe nj\u00eb lloj tjet\u00ebr nod n\u00eb klaster \u2014 nodet p\u00ebrpunuese. K\u00ebto mund t\u00eb jen\u00eb server\u00eb regjistrues ose server\u00eb blade pa disqe t\u00eb integruar. N\u00eb k\u00ebto server\u00eb mund t\u00eb startojm\u00eb VM, t\u00eb dh\u00ebnat e t\u00eb cilave ruhen n\u00eb server\u00ebt me disqe. Nga pik\u00ebpamja e aksesit n\u00eb t\u00eb dh\u00ebna, nuk ka asnj\u00eb ndryshim nd\u00ebrmjet llojeve t\u00eb nodit, pasi arkitektura parashikon abstragimin nga vendndodhja fizike e t\u00eb dh\u00ebnave. Raporti maksimal midis nodit p\u00ebrpunues dhe nodit t\u00eb ruajtjes \u00ebsht\u00eb 2:1.<\/p>\n<p>P\u00ebrdorimi i nod\u00ebve p\u00ebrpunuese rrit fleksibilitetin gjat\u00eb zgjerimit t\u00eb burimeve t\u00eb klasterit: nuk \u00ebsht\u00eb e nevojshme t\u00eb blejm\u00eb nod\u00eb me disqe n\u00ebse kemi nevoj\u00eb vet\u00ebm p\u00ebr CPU\/RAM. Madje, ne mund t\u00eb shtojm\u00eb nj\u00eb sistem rack dhe t\u00eb fitojm\u00eb kursim n\u00eb vendosjen e server\u00ebve n\u00eb raft.<\/p>\n<p>Si rezultati, kemi nj\u00eb platform\u00eb hiper-konvergjente me funksionalitetet e m\u00ebposhtme:<\/p>\n<ul>\n<li>Derik n\u00eb 64 nod\u00eb n\u00eb klaster (derik n\u00eb 32 nod\u00eb ruajtjeje).<\/li>\n<li>Numri minimal i nod\u00ebve n\u00eb klaster \u00ebsht\u00eb tre (dy p\u00ebr klasterin Edge).<\/li>\n<li>Mekanizmi i tepric\u00ebs s\u00eb t\u00eb dh\u00ebnave: pasqyrimi me faktor replikimi 2 dhe 3.<\/li>\n<li>Metro-klaster.<\/li>\n<li>Replikimi asinkron i VM n\u00eb nj\u00eb klaster tjet\u00ebr HyperFlex.<\/li>\n<li>Orkestrimi i kalimit t\u00eb VM n\u00eb nj\u00eb Qend\u00ebr t\u00eb t\u00eb Dh\u00ebnave t\u00eb larg\u00ebt.<\/li>\n<li>Snapshot natyrore me teknologjin\u00eb Redirect-on-Write.<\/li>\n<li>Deri n\u00eb 1 PB hap\u00ebsir\u00eb t\u00eb dobishme me faktor replikimi 3 dhe pa marr\u00eb parasysh deduplication. Faktor replikimi 2 nuk \u00ebsht\u00eb marr\u00eb parasysh, pasi nuk \u00ebsht\u00eb nj\u00eb mund\u00ebsi p\u00ebr shitje serioze.<\/li>\n<\/ul>\n<p>\nNj\u00eb avantazh tjet\u00ebr i madh \u00ebsht\u00eb thjesht\u00ebsia e menaxhimit dhe shp\u00ebrndarjes. T\u00eb gjitha Nd\u00ebrlikimet e konfigurimit t\u00eb server\u00ebve UCS i merr p\u00ebrsip\u00ebr nj\u00eb VM e specializuar, e p\u00ebrgatitur nga inxhinier\u00ebt e Cisco. <\/p>\n<h3>Konfigurimi i sken\u00ebs testuese:<\/h3>\n<p><\/p>\n<ul>\n<li>2 x Cisco UCS Fabric Interconnect 6248UP si grupi menaxhues dhe komponent\u00ebt rrjet\u00eb (48 porta, q\u00eb punojn\u00eb n\u00eb m\u00ebnyr\u00eb Ethernet 10G\/FC 16G).<\/li>\n<li>Kat\u00ebr servera Cisco UCS HXAF240 M4.<\/li>\n<\/ul>\n<p>\nKarakteristikat e server\u00ebve:<\/p>\n<p><\/p>\n<p>CPU<\/p>\n<p>2 x Intel \u00ae Xeon \u00ae E5-2690 v4<\/p>\n<p>RAM<\/p>\n<p>16 x 32GB DDR4-2400-MHz RDIMM\/PC4-19200\/rang dyfish\/x4\/1.2v<\/p>\n<p>Rrjeti\n   regjistro log \/dev\/log local0\n   regjistro log \/dev\/log local1 notice\n   chroot \/var\/lib\/haproxy\n   stats timeout 30s\n   p\u00ebrdorues haproxy\n   grup haproxy\n   daemon\n\ndefaults\n   log global\n   mode http\n   opsion httplog\n   opsion dontlognull\n   timeout connect 5000\n   timeout client 50000\n   timeout server 50000\n\nfrontend http_front\n   bind *:80\n   stats uri \/haproxy?stats\n   default_backend http_back\n\nbackend http_back\n   balance roundrobin\n   server server_name1 private_ip1:80 check\n   server server_name2 private_ip2:80 check<\/p>\n<p>UCSC-MLOM-CSC-02 (VIC 1227). 2 porta 10G Ethernet<\/p>\n<p>Storage HBA<\/p>\n<p>Cisco 12G Modular SAS Pass through Controller<\/p>\n<p>Disk t\u00eb ruajtjes<\/p>\n<p>1 x SSD Intel S3520 120 GB, 1 x SSD Samsung MZ-IES800D, 10 x SSD Samsung PM863a 960 GB<\/p>\n<p>\n<b class=\"spoiler_title\">M\u00eb shum\u00eb mund\u00ebsi konfigurimesh<\/b>P\u00ebrve\u00e7 harduerit t\u00eb zgjedhur, aktualisht jan\u00eb t\u00eb disponueshme opsione t\u00eb tjera:<\/p>\n<ul>\n<li>HXAF240c M5.<\/li>\n<li>Nj\u00eb ose dy CPU duke filluar nga Intel Silver 4110 deri te Intel Platinum I8260Y. E dyta gjenerat\u00eb \u00ebsht\u00eb n\u00eb dispozicion.<\/li>\n<li>24 fole memorje, module nga 16 GB RDIMM 2600 deri te 128 GB LRDIMM 2933.<\/li>\n<li>Nga 6 deri n\u00eb 23 disqe p\u00ebr t\u00eb dh\u00ebna, nj\u00eb disk p\u00ebr memorie me shpejt\u00ebsi, nj\u00eb disk sistemik dhe nj\u00eb disk p\u00ebr nisje.<\/li>\n<\/ul>\n<p>\n<b>Diskat e Kapacitetit<\/b><\/p>\n<ul>\n<li>HX-SD960G61X-EV 960GB 2.5 Inch Enterprise Value 6G SATA SSD (1X endurance) SAS 960 GB.<\/li>\n<li>HX-SD38T61X-EV 3.8TB 2.5 inch Enterprise Value 6G SATA SSD (1X endurance) SAS 3.8 TB.<\/li>\n<li>Disqet\u00eb D caching<\/li>\n<li>HX-NVMEXPB-I375 375GB 2.5 inch Intel Optane Drive, Extreme Perf &amp; Endurance.<\/li>\n<li>HX-NVMEHW-H1600* 1.6TB 2.5 inch Ent. Perf. NVMe SSD (3X endurance) NVMe 1.6 TB.<\/li>\n<li>HX-SD400G12TX-EP 400GB 2.5 inch Ent. Perf. 12G SAS SSD (10X endurance) SAS 400 GB.<\/li>\n<li>HX-SD800GBENK9** 800GB 2.5 inch Ent. Perf. 12G SAS SED SSD (10X endurance) SAS 800 GB.<\/li>\n<li>HX-SD16T123X-EP 1.6TB 2.5 inch Enterprise performance 12G SAS SSD (3X endurance).<\/li>\n<\/ul>\n<p>\n<b>Disqet\u00eb \/ Log<\/b><\/p>\n<ul>\n<li>HX-SD240GM1X-EV 240GB 2.5 inch Enterprise Value 6G SATA SSD (Requires upgrade).<\/li>\n<\/ul>\n<p>\n<b>Disqet\u00eb Boot<\/b><\/p>\n<ul>\n<li>HX-M2-240GB 240GB SATA M.2 SSD SATA 240 GB.<\/li>\n<\/ul>\n<p>Connection to the network via 40G, 25G or 10G Ethernet ports. <\/p>\n<p>As FI can be HX-FI-6332 (40G), HX-FI-6332-16UP (40G), HX-FI-6454 (40G\/100G).<\/p>\n<h3>Testi vete<\/h3>\n<p>\nP\u00ebr testimin e n\u00ebnshkallave disk, kam p\u00ebrdorur HCIBench 2.2.1. Ky \u00ebsht\u00eb nj\u00eb mjet falas, q\u00eb lejon automatizimin e krijimit t\u00eb ngarkesave nga disa makina virtuale. Ngarkesa e vet \u00ebsht\u00eb gjeneruar nga fio e zakonshme. <\/p>\n<p>Klastri yn\u00eb p\u00ebrb\u00ebhet nga kat\u00ebr nodet, faktor replikimi 3, t\u00eb gjith\u00eb disqet Flash.<\/p>\n<p>P\u00ebr testimin kam krijuar kat\u00ebr datastore dhe tet\u00eb makina virtuale. P\u00ebr testet e shkrimit supozohet varianti kur disku caching nuk mbushet.<\/p>\n<p>Rezultatet e testeve jan\u00eb si n\u00eb vijim:<\/p>\n<p>100 % Leximi 100 % Rast\u00ebsor<\/p>\n<p>0 % Leximi 100% Rast\u00ebsor<\/p>\n<p>Bllok\/thell\u00ebsia e radh\u00ebs<\/p>\n<p>128<\/p>\n<p>256<\/p>\n<p>512<\/p>\n<p>1024<\/p>\n<p>2048<\/p>\n<p>128<\/p>\n<p>256<\/p>\n<p>512<\/p>\n<p>1024<\/p>\n<p>2048<\/p>\n<p>4K<\/p>\n<p>0,59 ms 213804 IOPS<\/p>\n<p>0,84 ms 303540 IOPS<\/p>\n<p>1,36ms 374348 IOPS<\/p>\n<p>2.47 ms 414116 IOPS<\/p>\n<p><b>4,86ms 420180 IOPS<\/b><\/p>\n<p>2,22 ms 57408 IOPS<\/p>\n<p>3,09 ms 82744 IOPS<\/p>\n<p>5,02 ms 101824 IOPS<\/p>\n<p>8,75 ms 116912 IOPS<\/p>\n<p><b>17,2 ms 118592 IOPS<\/b><\/p>\n<p>8K<\/p>\n<p>0,67 ms 188416 IOPS<\/p>\n<p>0,93 ms 273280 IOPS<\/p>\n<p>1,7 ms 299932 IOPS<\/p>\n<p>2,72 ms 376484 IOPS<\/p>\n<p><b>5,47 ms 373176 IOPS<\/b><\/p>\n<p>3,1 ms 41148 IOPS<\/p>\n<p>4,7 ms 54396 IOPS<\/p>\n<p>7,09 ms 72192 IOPS<\/p>\n<p><b>12,77 ms 80132 IOPS<\/b><\/p>\n<p>16K<\/p>\n<p>0,77 ms 164116 IOPS<\/p>\n<p>1,12 ms 228328 IOPS<\/p>\n<p>1,9 ms 268140 IOPS<\/p>\n<p><b>3,96 ms 258480 IOPS<\/b><\/p>\n<p>3,8 ms 33640 IOPS<\/p>\n<p>6,97 ms 36696 IOPS<\/p>\n<p><b>11,35 ms 45060 IOPS<\/b><\/p>\n<p>32K<\/p>\n<p>1,07 ms 119292 IOPS<\/p>\n<p>1,79 ms 142888 IOPS<\/p>\n<p><b>3,56 ms 143760 IOPS<\/b><\/p>\n<p>7,17 ms 17810 IOPS<\/p>\n<p><b>11,96 ms 21396 IOPS<\/b><\/p>\n<p>64K<\/p>\n<p>1,84 ms 69440 IOPS<\/p>\n<p>3,6 ms 71008 IOPS<\/p>\n<p><b>7,26 ms 70404 IOPS<\/b><\/p>\n<p><b>11,37 ms 11248 IOPS<\/b><\/p>\n<p><i>Vlerat e sh\u00ebnuara me shkronja t\u00eb trasha tregojn\u00eb pas t\u00eb cilave nuk ka rritje t\u00eb performanc\u00ebs, ndonj\u00ebher\u00eb \u00ebsht\u00eb e dukshme edhe degradimi. Kjo \u00ebsht\u00eb e lidhur me faktin se p\u00ebrballohemi me performanc\u00ebn e rrjetit\/kontrolluesve\/disqeve.<\/i><\/p>\n<ul>\n<li>Leximi sekondar 4432 MB\/s.<\/li>\n<li>Shkrimi sekondar 804 MB\/s.<\/li>\n<li>Kur nj\u00eb kontrollues d\u00ebshton (d\u00ebshtimi i makin\u00ebs virtuale ose hostit) reduktoni performanc\u00ebn me 50%.<\/li>\n<li>Kur d\u00ebshtoni diskun e ruajtjes - reduktim prej 1\/3. Rind\u00ebrtimi i nj\u00eb disku z\u00eb 5% t\u00eb burimeve t\u00eb \u00e7do kontrolluesi.<\/li>\n<\/ul>\n<p>\nN\u00eb bllokun e vog\u00ebl, ne hasim nj\u00eb kufizim n\u00eb performanc\u00ebn e kontrollorit (virtual machine), CPU e tij \u00ebsht\u00eb e ngarkuar 100%, dhe kur rritet blloku, hasim n\u00eb kapacitetin e porteve. 10 Gbit\/s nuk \u00ebsht\u00eb e mjaftueshme p\u00ebr t\u00eb shfryt\u00ebzuar potencialin e sistemit AllFlash. Fatkeq\u00ebsisht, parametrat e demonit t\u00eb ofruar nuk lejojn\u00eb t\u00eb kontrollojm\u00eb funksionimin n\u00eb 40 Gbit\/s.<\/p>\n<p>Sipas p\u00ebrshtypjeve t\u00eb mia nga testet dhe studimi i arkitektur\u00ebs, p\u00ebrmes algoritmit q\u00eb shp\u00ebrndan t\u00eb dh\u00ebnat mes t\u00eb gjitha hosteve, ne fitojm\u00eb nj\u00eb performanc\u00eb t\u00eb parashikueshme dhe t\u00eb shkall\u00ebzuar, por kjo \u00ebsht\u00eb gjithashtu nj\u00eb kufizim gjat\u00eb leximit, pasi nga disqet lokale mund t\u00eb nxjerrim m\u00eb shum\u00eb, k\u00ebtu mund t\u00eb na shp\u00ebtoj\u00eb nj\u00eb rrjet m\u00eb t\u00eb fuqish\u00ebm, p\u00ebr shembull, jan\u00eb t\u00eb disponueshme FI n\u00eb 40 Gbit\/s.<\/p>\n<p>Gjithashtu, nj\u00eb disk p\u00ebr caching dhe deduplication mund t\u00eb jet\u00eb nj\u00eb kufizim, faktikisht n\u00eb k\u00ebt\u00eb stend\u00eb ne mund t\u00eb shkruajm\u00eb n\u00eb kat\u00ebr SSD disqe. Do t\u00eb ishte e shk\u00eblqyer t\u00eb kishe mund\u00ebsin\u00eb t\u00eb rritesh numrin e disqeve q\u00eb cache-ojn\u00eb dhe t\u00eb shoh\u00ebsh ndryshimin.<\/p>\n<h3>P\u00ebrdorimi real<\/h3>\n<p>\nP\u00ebr organizimin e backup-it t\u00eb Qendr\u00ebs s\u00eb t\u00eb Dh\u00ebnave, mund t\u00eb p\u00ebrdoren dy qasje (nuk shqyrtojm\u00eb vendosjen e backup-it n\u00eb nj\u00eb lokacion t\u00eb larg\u00ebt):<\/p>\n<ol>\n<li>Aktiv-Pasiv. T\u00eb gjitha aplikacionet jan\u00eb t\u00eb vendosura n\u00eb qendr\u00ebn kryesore t\u00eb t\u00eb dh\u00ebnave. Riprodhimi \u00ebsht\u00eb sinkron ose asinkron. N\u00eb rastin e r\u00ebnies s\u00eb qendr\u00ebs kryesore t\u00eb t\u00eb dh\u00ebnave, duhet t\u00eb aktivizojm\u00eb rezerv\u00ebn. Kjo mund t\u00eb b\u00ebhet manualisht\/de b\u00ebhet me skripta\/aplikacione orkestrimi. K\u00ebtu do t\u00eb arrijm\u00eb RPO q\u00eb \u00ebsht\u00eb n\u00eb p\u00ebrputhje me frekuenc\u00ebn e riprodhimit dhe RTO varet nga reagimi dhe aft\u00ebsit\u00eb e administratorit dhe cil\u00ebsia e p\u00ebrpunimit\/disa e planit t\u00eb kalimit.<\/li>\n<li>Aktiv-Aktiv. N\u00eb k\u00ebt\u00eb rast, ekziston vet\u00ebm riprodhim sinkron, disponueshm\u00ebria e qendrave t\u00eb t\u00eb dh\u00ebnave p\u00ebrcaktohet nga kuorumi\/arbitri, i vendosur n\u00eb nj\u00eb vend t\u00eb tret\u00eb. RPO = 0, nd\u00ebrsa RTO mund t\u00eb arrij\u00eb 0 (n\u00ebse aplikacioni lejon) ose \u00ebsht\u00eb e barabart\u00eb me koh\u00ebn p\u00ebr t\u00eb trajtuar d\u00ebshtimin e nodit n\u00eb klasterin e virtualizimit. N\u00eb nivelin e virtualizimit krijohet nj\u00eb klaster i shtrir\u00eb (Metro), q\u00eb k\u00ebrkon Active-Active SAN.<\/li>\n<\/ol>\n<p>\nZakonisht shohim te klient\u00ebt nj\u00eb arkitektur\u00eb t\u00eb realizuar tashm\u00eb me nj\u00eb SAN klasike n\u00eb qendr\u00ebn kryesore t\u00eb t\u00eb dh\u00ebnave, prandaj projektojm\u00eb nj\u00eb tjet\u00ebr p\u00ebr replikim. Si\u00e7 e p\u00ebrmenda, Cisco HyperFlex ofron replikim asinkron dhe krijimin e nj\u00eb klasteri t\u00eb shtrir\u00eb t\u00eb virtualizimit. N\u00eb k\u00ebt\u00eb rast, nuk na duhen SAN t\u00eb nivelit Midrange dhe m\u00eb lart\u00eb me funksione replikimi dhe qasje Active-Active n\u00eb t\u00eb dh\u00ebna n\u00eb dy SAN.<\/p>\n<p><b>Skema 1:<\/b> Ne kemi nj\u00eb qend\u00ebr t\u00eb t\u00eb dh\u00ebnave primare dhe nj\u00eb rezerv\u00eb, si dhe nj\u00eb platform\u00eb virtualizimi me VMware vSphere. T\u00eb gjitha sistemet produktive ndodhen n\u00eb qendr\u00ebn e t\u00eb dh\u00ebnave primare, nd\u00ebrsa replikimi i makinave virtuale b\u00ebhet n\u00eb nivelin e hipervizorit, \u00e7ka do t\u00eb thot\u00eb se nuk \u00ebsht\u00eb e nevojshme t\u00eb mbahen VM-t\u00eb t\u00eb aktivizuar n\u00eb qendr\u00ebn e t\u00eb dh\u00ebnave rezerv\u00eb. Baza t\u00eb dh\u00ebnash dhe aplikacione speciale replikohen me mjete t\u00eb nd\u00ebrtuara brenda sistemit dhe mban VM-t\u00eb t\u00eb aktivizuar. N\u00eb rast t\u00eb d\u00ebshtimit t\u00eb qendr\u00ebs s\u00eb t\u00eb dh\u00ebnave primare, ne aktivizojm\u00eb sistemet n\u00eb qendr\u00ebn e t\u00eb dh\u00ebnave rezerv\u00eb. Ne llogarisim se kemi rreth 100 makina virtuale. Nd\u00ebrkoh\u00eb q\u00eb qendra e t\u00eb dh\u00ebnave primare \u00ebsht\u00eb aktivizuar, n\u00eb qendr\u00ebn e t\u00eb dh\u00ebnave rezerv\u00eb mund t\u00eb aktivizohen mjedise testuese dhe sisteme t\u00eb tjera, t\u00eb cilat mund t\u00eb \u00e7aktivizohen n\u00eb rast t\u00eb kalimit n\u00eb qendr\u00ebn e t\u00eb dh\u00ebnave primare. Gjithashtu, ekziston gjithashtu mund\u00ebsia e replikimit dypal\u00ebsh. Nga pik\u00ebpamja e aparatur\u00ebs, asgj\u00eb nuk do t\u00eb ndryshoj\u00eb.<\/p>\n<p>N\u00eb rastin e arkitektur\u00ebs klasike do t\u00eb vendosim nj\u00eb ruajtje hibride n\u00eb \u00e7do Qend\u00ebr t\u00eb t\u00eb Dh\u00ebnave me qasje p\u00ebrmes FibreChannel, me tiering, deduplication dhe kompresim (por jo n\u00eb linj\u00eb), 8 server\u00eb n\u00eb \u00e7do lokacion, 2 switch-e FibreChannel dhe Ethernet 10G. P\u00ebr replikimin dhe menaxhimin e kalimeve n\u00eb arkitektur\u00ebn klasike mund t\u00eb p\u00ebrdorim mjete VMware (Replikimi + SRM) ose mjete t\u00eb tjera t\u00eb jashtme, q\u00eb do t\u00eb jen\u00eb pak m\u00eb t\u00eb lira dhe ndonj\u00ebher\u00eb m\u00eb t\u00eb lehta p\u00ebr p\u00ebrdorim.<\/p>\n<p>N\u00eb vizatim \u00ebsht\u00eb paraqitur skema.<\/p>\n<p><img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/e7a1ef66c0ae1a8cbb60d0411007d822.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00eb rastin e Cisco HyperFlex, rezulton kjo arkitektur\u00eb:<\/p>\n<p><img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/71d58163728f37a163ec914b81dc73ab.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nP\u00ebr HyperFlex kam p\u00ebrdorur server\u00eb me burime t\u00eb m\u00ebdha CPU\/RAM, pasi nj\u00eb pjes\u00eb e burimeve do t\u00eb shkojn\u00eb p\u00ebr VM-n\u00eb e kontrolluesit HyperFlex, madje kam b\u00ebr\u00eb nj\u00eb mbivler\u00ebsim t\u00eb vog\u00ebl n\u00eb konfigurimin HyperFlex p\u00ebr CPU dhe memorie, p\u00ebr t\u00eb mos favorizuar Cisco-n dhe p\u00ebr t\u00eb garantuar burime p\u00ebr VM-t\u00eb e tjera. Megjithat\u00eb, mund t\u00eb heqim dor\u00eb nga switch-at FibreChannel, dhe nuk do na nevojiten porte Ethernet p\u00ebr \u00e7do server, trafiku lokal komutohet brenda FI.<\/p>\n<p>Si rezultat, arrit\u00ebm k\u00ebt\u00eb konfigurim p\u00ebr \u00e7do Qend\u00ebr t\u00eb t\u00eb Dh\u00ebnave:<\/p>\n<p>Server\u00ebt<\/p>\n<p>8 x 1U Server (384 GB RAM, 2 x Intel Gold 6132, FC HBA)<\/p>\n<p>8 x HX240C-M5L (512 GB RAM, 2 x Intel Gold 6150, 3,2 GB SSD, 10 x 6 TB NL-SAS)<\/p>\n<p>Sistemi i Ruajtjes<\/p>\n<p>Ruajtje hibride me FC Front-End (20TB SSD, 130 TB NL-SAS)<\/p>\n<p>&#8212;<\/p>\n<p>LAN<\/p>\n<p>2 x switch Ethernet 10G me 12 porte<\/p>\n<p>&#8212;<\/p>\n<p>SAN<\/p>\n<p>2 x FC switch 32\/16Gb 24 porte<\/p>\n<p>2 x Cisco UCS FI 6332<\/p>\n<p>Licencat<\/p>\n<p>VMware Ent Plus<\/p>\n<p><\/p>\n<p>Replikimi dhe\/orkestrimi i kalimeve VM<\/p>\n<p>VMware Ent Plus<\/p>\n<p>P\u00ebr Hyperflex nuk kam parashikuar licencat e softuerit t\u00eb replikimit, pasi kjo \u00ebsht\u00eb n\u00eb dispozicion nga kutia.<\/p>\n<p>P\u00ebr arkitektur\u00ebn klasike, kam zgjedhur nj\u00eb ofrues q\u00eb e ka provuar veten si nj\u00eb prodhues cil\u00ebsor dhe ekonomik. P\u00ebr t\u00eb dy variantet kam aplikuar zbritjen standarde p\u00ebr zgjidhjen specifike, duke rezultuar n\u00eb \u00e7mime reale. <\/p>\n<p>Zgjidhja n\u00eb Cisco HyperFlex doli 13% m\u00eb e lir\u00eb.<\/p>\n<p><b>Skema 2:<\/b> krijimi i dy qendrave aktive t\u00eb t\u00eb dh\u00ebnave. N\u00eb k\u00ebt\u00eb skem\u00eb, ne projektosh nj\u00eb klaster t\u00eb shtrir\u00eb mbi VMware. <\/p>\n<p>Arkitektura klasike p\u00ebrb\u00ebhet nga servera virtualizimi, SAN (protokoll FC) dhe dy SHTD q\u00eb din\u00eb t\u00eb lexojn\u00eb dhe shkruajn\u00eb n\u00eb ate shtrir\u00eb mes tyre. N\u00eb \u00e7do SHTD parashikojm\u00eb kapacitet t\u00eb dobish\u00ebm p\u00ebr lokacione.<\/p>\n<p><img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/c3830f5bab128b724d94e727218b21b5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nMe HyperFlex thjesht krijojm\u00eb Cluster t\u00eb Shtrir\u00eb me num\u00ebr t\u00eb barabart\u00eb nodash n\u00eb t\u00eb dy lokacione. N\u00eb k\u00ebt\u00eb rast p\u00ebrdoret faktori i replikimit 2+2.<\/p>\n<p><img decoding=\"async\" alt=\"Admin pa duar = hiper-konvergjenc\u00eb?\" src=\"\/wp-content\/uploads\/2019\/10\/6351c830c3fba60dc4e71a9a4245ec6f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nKemi marr\u00eb konfigurimin e m\u00ebposht\u00ebm:<\/p>\n<p>Arkitektura klasike<\/p>\n<p>HyperFlex<\/p>\n<p>Server\u00ebt<\/p>\n<p>16 x Server 1U (384 GB RAM, 2 x Intel Gold 6132, FC HBA, 2 x 10G NIC)<\/p>\n<p>16 x HX240C-M5L (512 GB RAM, 2 x Intel Gold 6132, 1,6 TB NVMe, 12 x 3,8 TB SSD, VIC 1387)<\/p>\n<p>Sistemi i Ruajtjes<\/p>\n<p>2 x SHTD AllFlash (150 TB SSD)<\/p>\n<p>&#8212;<\/p>\n<p>LAN<\/p>\n<p>4 x switch Ethernet 10G 24 porte<\/p>\n<p>&#8212;<\/p>\n<p>SAN<\/p>\n<p>4 x FC switch 32\/16Gb 24 porte<\/p>\n<p>4 x Cisco UCS FI 6332<\/p>\n<p>Licencat<\/p>\n<p>VMware Ent Plus<\/p>\n<p>VMware Ent Plus<\/p>\n<p>N\u00eb \u00e7do llogaritje nuk kam marr\u00eb parasysh infrastruktur\u00ebn e rrjetit, kostot e Qendr\u00ebs s\u00eb t\u00eb Dh\u00ebnave etj.: ato do t\u00eb jen\u00eb t\u00eb nj\u00ebjta p\u00ebr arkitektur\u00ebn klasike dhe p\u00ebr zgjidhjen n\u00eb HyperFlex.<\/p>\n<p>\u00c7mimi i HyperFlex ishte 5% m\u00eb i lart\u00eb. K\u00ebtu merret parasysh se p\u00ebr burimet CPU\/RAM kam pasur nj\u00eb disbalanc\u00eb p\u00ebr Cisco, pasi n\u00eb konfigurim plot\u00ebsova kanalet e kontrollor\u00ebve t\u00eb memories n\u00eb m\u00ebnyr\u00eb t\u00eb barabart\u00eb. \u00c7mimi \u00ebsht\u00eb pak m\u00eb i lart\u00eb, por jo n\u00eb nj\u00eb mas\u00eb t\u00eb madhe, gj\u00eb q\u00eb tregon qart\u00eb se hiper-konvergjenca nuk \u00ebsht\u00eb domosdoshm\u00ebrisht \"loj\u00eb p\u00ebr t\u00eb pasurit\", por mund t\u00eb konkurroj\u00eb me qasjen standarde n\u00eb nd\u00ebrtimin e Qendrave t\u00eb t\u00eb Dh\u00ebnave. K\u00ebshtu q\u00eb kjo mund t\u00eb jet\u00eb interesante p\u00ebr ata q\u00eb tashm\u00eb kan\u00eb servera Cisco UCS dhe infrastruktur\u00ebn p\u00ebrkat\u00ebse p\u00ebr ta. <\/p>\n<p>Nga avantazhet do t\u00eb kemi munges\u00ebn e kostove p\u00ebr administrimin e SAN dhe SCSI, kompresionin dhe deduplikimin n\u00eb koh\u00eb reale, nj\u00eb pik\u00eb t\u00eb vetme kontakti p\u00ebr mb\u00ebshtetje (virtualizimi, serverat, ata gjithashtu jan\u00eb - SCSI), kursimin e hap\u00ebsir\u00ebs (por jo n\u00eb t\u00eb gjitha skenar\u00ebt), thjeshtimin e operacioneve.<\/p>\n<p>Sa i p\u00ebrket mb\u00ebshtetjes, ju merrni at\u00eb nga nj\u00eb ofrues i vet\u00ebm \u2014 Cisco. N\u00ebse gjykoj p\u00ebrvoj\u00ebn time me server\u00ebt Cisco UCS, m\u00eb p\u00eblqen; nuk m\u00eb duhej t\u00eb hapja HyperFlex, gjith\u00e7ka funksiononte. Inxhinier\u00ebt p\u00ebrgjigjen shpejt dhe mund t\u00eb zgjidhin jo vet\u00ebm probleme standard, por edhe raste t\u00eb nd\u00ebrlikuara. Ndonj\u00ebher\u00eb i kontaktoj me pyetje si: \"A \u00ebsht\u00eb e mundur ta b\u00ebj k\u00ebt\u00eb, ta lidhem me k\u00ebt\u00eb?\" ose \"Kam b\u00ebr\u00eb ndonj\u00eb konfigurim dhe nuk funksionon. M\u00eb ndihmoni!\" \u2014 ata me durim gjejn\u00eb udh\u00ebzimin e nevojsh\u00ebm dhe tregojn\u00eb p\u00ebr veprimet e duhra, nuk do t\u00eb p\u00ebrgjigjen: \"Ne zgjidhim vet\u00ebm problemet harduerike.\"<\/p>\n<h3>Linke<\/h3>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/dam\/en\/us\/products\/collateral\/hyperconverged-infrastructure\/hyperflex-hx-series\/hxaf-240c-m5-specsheet.pdf\">Specifikimet<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/croc\/blog\/146536\/\">Qendra virtuale e t\u00eb dh\u00ebnave<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/croc\/blog\/342820\/\">Qendra e t\u00eb dh\u00ebnave n\u00eb kutin\u00eb e tavolin\u00ebs<\/a><\/noindex><\/li>\n<li>Emaili im \u2014 StGeneralov@croc.ru<\/li>\n<\/ul>\n<p>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/croc\/blog\/471508\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u042d\u0442\u043e \u043c\u0438\u0444, \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0451\u043d\u043d\u044b\u0439 \u0432 \u0441\u0444\u0435\u0440\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0433\u043e \u0436\u0435\u043b\u0435\u0437\u0430. \u041d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 \u0436\u0435 \u0433\u0438\u043f\u0435\u0440\u043a\u043e\u043d\u0432\u0435\u0440\u0433\u0435\u043d\u0442\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f (\u043a\u043e\u0433\u0434\u0430 \u0432\u0441\u0451 \u0432 \u043e\u0434\u043d\u043e\u043c) \u043d\u0443\u0436\u043d\u044b \u043c\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0447\u0435\u0433\u043e. \u0418\u0441\u0442\u043e\u0440\u0438\u0447\u0435\u0441\u043a\u0438 \u0441\u043b\u043e\u0436\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043f\u0435\u0440\u0432\u044b\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0431\u044b\u043b\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u044b Amazon \u0438 Google \u043f\u043e\u0434 \u0441\u0432\u043e\u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u044b. \u0422\u043e\u0433\u0434\u0430 \u0438\u0434\u0435\u044f \u0431\u044b\u043b\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e\u0431\u044b \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u0444\u0435\u0440\u043c\u0443 \u0438\u0437 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0445 \u0443\u0437\u043b\u043e\u0432, \u0443 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0435\u0441\u0442\u044c \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0434\u0438\u0441\u043a\u0438. \u0412\u0441\u0451 \u044d\u0442\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29233,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u042d\u0442\u043e \u043c\u0438\u0444, \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0451\u043d\u043d\u044b\u0439 \u0432 \u0441\u0444\u0435\u0440\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0433\u043e 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N\u00eb praktik\u00eb, zgjidhjet hiper-konvergente (kur gjith\u00e7ka \u00ebsht\u00eb n\u00eb nj\u00eb vend) jan\u00eb t\u00eb nevojshme p\u00ebr shum\u00eb gj\u00ebra. Historikisht, arkitekturat e para u zhvilluan nga Amazon dhe Google p\u00ebr sh\u00ebrbimet e tyre. At\u00ebher\u00eb ideja ishte t\u00eb b\u00ebhej nj\u00eb ferm\u00eb p\u00ebrllogarit\u00ebse nga nyje t\u00eb nj\u00ebllojta, secila me disqet e saj. 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