{"id":39444,"date":"2019-10-31T22:32:47","date_gmt":"2019-10-31T19:32:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/programmno-opredelyaemye-shd-ili-chto-pogubilo-dinozavrov\/"},"modified":"2019-10-31T22:32:47","modified_gmt":"2019-10-31T19:32:47","slug":"programmno-opredelyaemye-shd-ili-chto-pogubilo-dinozavrov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/programmno-opredelyaemye-shd-ili-chto-pogubilo-dinozavrov","title":{"rendered":"Sistemet e ruajtjes s\u00eb dh\u00ebnash t\u00eb p\u00ebrcaktuara nga software apo \u00e7far\u00eb shkat\u00ebrroi dinosaur\u00ebt?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Sistemet
\n
\nNj\u00ebher\u00eb ata zinin maj\u00ebn e zinxhirit ushqimor. P\u00ebr mij\u00ebvje\u00e7ar\u00eb. Pastaj ndodhi e pamundur: qielli u mbulua nga re, dhe ata nuk ekzistonin m\u00eb. N\u00eb an\u00ebn tjet\u00ebr t\u00eb bot\u00ebs ndodh\u00ebn ngjarje q\u00eb ndryshuan klim\u00ebn: reja u rrit. Dinosaur\u00ebt u b\u00ebn\u00eb shum\u00eb t\u00eb m\u00ebdhenj dhe t\u00eb ngadalsh\u00ebm: p\u00ebrpjekjet e tyre p\u00ebr t\u00eb mbijetuar ishin t\u00eb destinuara p\u00ebr d\u00ebshtim. Peshor\u00ebt m\u00eb t\u00eb lart\u00eb sunduan Tok\u00ebn p\u00ebr 100 milion vjet, duke u rritur gjithnj\u00eb e m\u00eb shum\u00eb dhe duke u b\u00ebr\u00eb gjithnj\u00eb e m\u00eb t\u00eb fort\u00eb. Ata evoluan n\u00eb at\u00eb q\u00eb dukej si nj\u00eb krijes\u00eb ideale, n\u00eb krye t\u00eb zinxhirit ushqimor, por Universi n\u00eb nj\u00eb moment ndryshoi pamjen e planetit ton\u00eb.
\n<\/a><\/noindex>
\nMe ironi, pik\u00ebrisht reja fshiu dinosaur\u00ebt nga faqja e tok\u00ebs 66 milion vjet m\u00eb par\u00eb. Po ashtu, reja sot po shkat\u00ebrron sistemet klasike t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave, q\u00eb ndodhen \"n\u00eb maj\u00ebn e zinxhirit ushqimor\". N\u00eb t\u00eb dy rastet, problemi nuk ishte te vet\u00eb reja, por te aft\u00ebsia p\u00ebr t'u adaptuar n\u00eb nj\u00eb bot\u00eb n\u00eb ndryshim. N\u00eb rastin e dinosaur\u00ebve, gjith\u00e7ka ndodhi shpejt: efekti shkat\u00ebrrues i reve ndodhi brenda disa dit\u00ebsh ose jav\u00ebsh pas r\u00ebnies s\u00eb meteor\u00ebve (ose shp\u00ebrthimit t\u00eb vullkanit \u2013 zgjedhja e teoris\u00eb mbetet p\u00ebr ju). N\u00eb rastin e sistemeve klasike t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave, procesi zgjat disa vjet, por sigurisht \u00ebsht\u00eb i pakthyesh\u00ebm.<\/p>\n

Periudha Triasike: shekulli i hekurit t\u00eb madh dhe shfaqja e aplikacioneve q\u00eb migrojn\u00eb<\/h2>\n

\nPra, \u00e7far\u00eb ndodhi? N\u00eb ekosistemin ekzistues ishin sisteme ruajtjeje t\u00eb nivelit t\u00eb ul\u00ebt dhe t\u00eb mes\u00ebm, sisteme t\u00eb nivelit korporativ dhe sisteme ruajtjeje me lidhje direkte (DAS). K\u00ebto kategori ishin p\u00ebrcaktuar nga analist\u00ebt, kishin tregjet e tyre, treguesit e kostos, besueshm\u00ebris\u00eb, performanc\u00ebs dhe shkall\u00ebzimit. Dhe pastaj ndodhi di\u00e7ka e \u00e7uditshme. <\/p>\n

Shfaqja e makinave virtuale n\u00ebnkuptonte se shum\u00eb aplikacione, ndoshta t\u00eb disa pronar\u00ebve, mund t\u00eb funksiononin nj\u00ebkoh\u00ebsisht n\u00eb nj\u00eb server - k\u00ebto ndryshime menj\u00ebher\u00eb vun\u00eb n\u00eb dyshim t\u00eb ardhmen e ruajtjes s\u00eb drejtp\u00ebrdrejt\u00eb. Pastaj pronar\u00ebt e infrastrukturave m\u00eb t\u00eb m\u00ebdha me shkall\u00eb t\u00eb lart\u00eb (hiperskaler\u00ebt): Facebook, Google, eBay etj., t\u00eb lodhur nga shpenzimet e m\u00ebdha p\u00ebr ruajtje, zhvilluan aplikacione t\u00eb veta p\u00ebr t\u00eb siguruar disponueshm\u00ebrin\u00eb e t\u00eb dh\u00ebnave n\u00eb server\u00eb t\u00eb zakonsh\u00ebm n\u00eb vend t\u00eb atyre t\u00eb m\u00ebdha \"t\u00eb metalizuar\". M\u00eb pas, kompania Amazon paraqiti n\u00eb treg di\u00e7ka t\u00eb \u00e7uditshme, t\u00eb quajtur Simple Storage Service (sh\u00ebrbimi i thjesht\u00eb i ruajtjes s\u00eb t\u00eb dh\u00ebnave) ose S3. As nuk \u00ebsht\u00eb bllok, as nuk \u00ebsht\u00eb skedar, por di\u00e7ka thelb\u00ebsisht e re: nuk \u00ebsht\u00eb m\u00eb e mundur t\u00eb blini nj\u00eb sistem, ekziston mund\u00ebsia vet\u00ebm t\u00eb blini sh\u00ebrbimin. Po, \u00e7far\u00eb \u00ebsht\u00eb ky drit\u00eb e ndritshme q\u00eb shihet n\u00eb qiell? A \u00ebsht\u00eb nj\u00eb asteroid tjet\u00ebr?<\/p>\n

Periudha Jurassike: epoka e \"dinosaur\u00ebve mjaft t\u00eb mir\u00eb\" <\/h2>\n

\nJemi futur n\u00eb faz\u00ebn e zhvillimit t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave me ideologjin\u00eb \"mjaft e mir\u00eb\". Klient\u00ebt q\u00eb p\u00ebrdorin ruajtjen e t\u00eb dh\u00ebnave filluan t\u00eb v\u00ebn\u00eb n\u00eb dyshim drejt\u00ebsin\u00eb e vler\u00ebs dhjet\u00ebfish dhe madje edhe ndonj\u00ebher\u00eb qindfish mbi \u00e7mimin e vet\u00ebm t\u00eb pajisjeve q\u00eb ata paguanin p\u00ebr sistemet e tyre t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave. Sistemet e mesme filluan t\u00eb rimarrin nj\u00eb pjes\u00eb t\u00eb tregut nga sistemet e nivelit t\u00eb lart\u00eb. Produkte t\u00eb tilla si HPE 3PAR<\/a><\/noindex> kan\u00eb treguar rritje t\u00eb shpejt\u00eb. EMC Symmetrix, q\u00eb dikur dominonte si nj\u00eb masiv (nga fjala \"masiv\") n\u00eb nivel korporativ, ende mbante ndonj\u00eb territor, por ai po zvog\u00eblohej me shpejt\u00ebsi. Shum\u00eb p\u00ebrdorues filluan t\u00eb transferojn\u00eb t\u00eb dh\u00ebnat e tyre n\u00eb AWS.<\/p>\n

N\u00eb an\u00ebn tjet\u00ebr, inovator\u00ebt e ruajtjes s\u00eb t\u00eb dh\u00ebnave filluan t\u00eb marrin ide nga hiperskaler\u00ebt, duke p\u00ebrdorur teknologjit\u00eb e sistemeve q\u00eb shkall\u00ebzohen horizontalisht - nj\u00eb ideologji e kund\u00ebrt me shkall\u00ebzimin vertikalisht. Pritet q\u00eb softueri i ri i ruajtjes s\u00eb t\u00eb dh\u00ebnave t\u00eb jet\u00eb n\u00eb gjendje t\u00eb punoj\u00eb n\u00eb server\u00eb t\u00eb zakonsh\u00ebm, ashtu si\u00e7 b\u00ebjn\u00eb hiperskaler\u00ebt. Asnj\u00eb \u00e7mim m\u00eb shum\u00eb 10-100 her\u00eb mbi koston e aparatur\u00ebs s\u00eb vet\u00eb. N\u00eb teori, \u00e7do server mund t\u00eb p\u00ebrdoret - zgjedhja varet nga preferencat tuaja. Epoka e ruajtjes s\u00eb t\u00eb dh\u00ebnave t\u00eb definuara nga softueri (SDS) ka filluar: re t\u00eb mbulonin qiellin, temperatura ra, dhe popullsia e predatoreve t\u00eb lart\u00eb filloi t\u00eb ulet.<\/p>\n

Periudha e krejt\u00ebs: fillimi i evolucionit t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave t\u00eb definuara nga softueri <\/h2>\n

\nDit\u00eb t\u00eb hershme t\u00eb SAN-ve t\u00eb p\u00ebrcaktuar nga softueri ishin t\u00eb trazira. Prej tyre u premtuan shum\u00eb, por iu ofruar pak. Nj\u00ebkoh\u00ebsisht ndodhi nj\u00eb ndryshim teknologjik i r\u00ebnd\u00ebsish\u00ebm: memoria flash u b\u00eb nj\u00eb alternativ\u00eb moderne p\u00ebr \"ndryshk\u00ebt rotativ\u00eb\" (HDD). Ky ishte nj\u00eb periudh\u00eb e shfaqjes s\u00eb shum\u00eb startupeve SAN dhe parave t\u00eb lehta nga investitor\u00ebt. Gjith\u00e7ka do t\u00eb ishte shk\u00eblqyer, n\u00ebse nuk do t\u00eb ishte nj\u00eb problem: ruajtja e t\u00eb dh\u00ebnave k\u00ebrkon nj\u00eb qasje serioze. U pa q\u00eb klient\u00ebt i duan t\u00eb dh\u00ebnat e tyre. N\u00ebse ata humbasin qasjen n\u00eb to, ose n\u00eb terabajt t\u00eb dh\u00ebnash zbulohet disa bita t\u00eb gabuara, ata shqet\u00ebsohen shum\u00eb. Shumica e startupeve nuk e mbijetuan k\u00ebt\u00eb situat\u00eb. Klient\u00ebt merrnin funksionalitete t\u00eb shk\u00eblqyera, por gjith\u00e7ka nuk ishte n\u00eb rregull me mjetet baz\u00eb. Nj\u00eb recet\u00eb e keqe.<\/p>\n

Periudha Kainozoike: sistemet SAN dominojn\u00eb<\/h2>\n

\nPak njer\u00ebz flasin p\u00ebr at\u00eb q\u00eb ndodhi m\u00eb pas, sepse nuk \u00ebsht\u00eb shum\u00eb interesante \u2013 klient\u00ebt vazhdojn\u00eb t\u00eb blejn\u00eb t\u00eb nj\u00ebjtat sisteme SAN klasike. Sigurisht, ata q\u00eb kan\u00eb kaluar aplikacionet e tyre n\u00eb re, kan\u00eb transferuar gjithashtu edhe t\u00eb dh\u00ebnat e tyre. Por p\u00ebr shumic\u00ebn d\u00ebrrmuese t\u00eb klient\u00ebve, t\u00eb cil\u00ebt nuk duan t\u00eb kalojn\u00eb plot\u00ebsisht n\u00eb re, ose nuk duan t\u00eb kalojn\u00eb fare, Hewlett Packard Enterprise vazhdoi t\u00eb ofronte sisteme klasike.<\/p>\n

Ne jetojm\u00eb n\u00eb vitin 2019, k\u00ebshtu q\u00eb pse ende ekziston nj\u00eb biznes multimiliard\u00ebsh SAN, i bazuar n\u00eb teknologjit\u00eb e koh\u00ebs s\u00eb Y2K? Sepse ato punojn\u00eb! N\u00eb m\u00ebnyr\u00eb t\u00eb thjesht\u00eb, k\u00ebrkesat p\u00ebr aplikacione kritike nuk jan\u00eb realizuar nga produktet, t\u00eb cilat jan\u00eb krijuar n\u00eb val\u00ebn e entuziazmit. Produkte si HPE 3PAR vazhduan t\u00eb ishin opsionet m\u00eb t\u00eb mira p\u00ebr klient\u00ebt korporat\u00eb, dhe nj\u00eb faz\u00eb e re evolucioni e arkitektur\u00ebs HPE 3PAR \u2013 HPE Primera<\/a><\/noindex> \u2013 thjesht e konfirmon k\u00ebt\u00eb.<\/p>\n

Nga ana tjet\u00ebr, mund\u00ebsit\u00eb e SAN-ve t\u00eb p\u00ebrcaktuar nga softueri ishin t\u00eb shk\u00eblqyera: shkall\u00ebzim horizontal, p\u00ebrdorimi i server\u00ebve standarde\u2026 Por kushti p\u00ebr k\u00ebt\u00eb ishte: disponueshm\u00ebri e paq\u00ebndrueshme, performanc\u00eb t\u00eb paparashikueshme dhe rregulla specifike p\u00ebr shkall\u00ebzim. <\/p>\n

V\u00ebshtir\u00ebsia e k\u00ebrkesave t\u00eb klient\u00ebve q\u00ebndron n\u00eb t\u00eb v\u00ebrtet\u00eb q\u00eb ato kurr\u00eb nuk b\u00ebhen m\u00eb t\u00eb thjeshta. Askush nuk do t\u00eb thot\u00eb q\u00eb humbja e integritetit t\u00eb t\u00eb dh\u00ebnave apo rritja e koh\u00ebs s\u00eb pushimit jan\u00eb t\u00eb pranueshme. Pik\u00ebrisht p\u00ebr k\u00ebt\u00eb arsye, arkitektura e-storage \u00ebsht\u00eb kaq e r\u00ebnd\u00ebsishme, e cila nj\u00ebkoh\u00ebsisht p\u00ebrmbush k\u00ebrkesat e qendrave t\u00eb t\u00eb dh\u00ebnave q\u00eb evoluojn\u00eb shpejt dhe n\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, p\u00ebrpjekjet p\u00ebr t\u00eb gjetur nj\u00eb kompromis nuk e humbin karakteristikat ky\u00e7e t\u00eb storage-it t\u00eb klas\u00ebs nd\u00ebrmarr\u00ebse.<\/p>\n

Periudha tret\u00ebsore: shfaqja e formave t\u00eb reja t\u00eb jet\u00ebs<\/h2>\n

\nLe t\u00eb p\u00ebrpiqemi t\u00eb kuptojm\u00eb se si nj\u00eb nga fillestar\u00ebt n\u00eb tregun e storage-it \u2013 kompania Datera \u2013 arriti t\u00eb balancoj\u00eb nj\u00eb p\u00ebrzierje kaq t\u00eb v\u00ebshtir\u00eb t\u00eb k\u00ebrkesave historikisht t\u00eb konsoliduara dhe atyre t\u00eb reja p\u00ebr storage. Para s\u00eb gjithash, p\u00ebrmes realizimit t\u00eb nj\u00eb arkitekture t\u00eb orientuar drejt zgjidhjes s\u00eb dilem\u00ebs s\u00eb p\u00ebrmendur m\u00eb sip\u00ebr. Nuk \u00ebsht\u00eb e mundur t\u00eb modifikosh arkitektur\u00ebn e vjet\u00ebr p\u00ebr t\u00eb zgjidhur problemet q\u00eb has qendra e t\u00eb dh\u00ebnave moderne, ashtu si\u00e7 nuk \u00ebsht\u00eb e mundur t\u00eb modifikosh arkitektur\u00ebn e storage-it mesatar t\u00eb programit t\u00eb caktuar p\u00ebr t\u00eb p\u00ebrmbushur k\u00ebrkesat q\u00eb i jan\u00eb vendosur sistemeve t\u00eb klas\u00ebs nd\u00ebrmarr\u00ebse: dinosaur\u00ebt nuk u b\u00ebn\u00eb gjitar\u00eb sepse r\u00ebnia e temperatur\u00ebs. <\/p>\n

Nd\u00ebrtimi i nj\u00eb zgjidhjeje q\u00eb p\u00ebrmbush k\u00ebrkesat e storage-it t\u00eb nivelit t\u00eb nd\u00ebrmarrjes dhe nj\u00ebkoh\u00ebsisht merr parasysh t\u00eb gjith\u00eb vler\u00ebn e dinamik\u00ebs s\u00eb qendrave moderne t\u00eb t\u00eb dh\u00ebnave, \u00ebsht\u00eb nj\u00eb detyr\u00eb e v\u00ebshtir\u00eb, por kjo ishte pik\u00ebrisht ajo q\u00eb synonte t\u00eb b\u00ebnte kompania Datera. Specialist\u00ebt e Datera punuan p\u00ebr k\u00ebt\u00eb p\u00ebr pes\u00eb vjet dhe gjet\u00ebn recet\u00ebn e \"gatimit\" t\u00eb storage-it t\u00eb klas\u00ebs nd\u00ebrmarr\u00ebse n\u00eb baz\u00eb t\u00eb programit t\u00eb caktuar.<\/p>\n

V\u00ebshtir\u00ebsia kryesore me t\u00eb cil\u00ebn u p\u00ebrball Datera ishte se duhej t\u00eb p\u00ebrdorte operatorin logjik \u201cAND\u201d n\u00eb vend t\u00eb \u201cOR\u201d-it t\u00eb duksh\u00ebm m\u00eb t\u00eb thjesht\u00eb. Disponueshm\u00ebria e q\u00ebndrueshme, \u201cAND\u201d performanca e parashikueshme, \u201cAND\u201d shkall\u00ebzimi arkitekturor, \u201cAND\u201d orkestrimi si kod, \u201cAND\u201d pajisjet e standardizuara, \u201cAND\u201d zbatimi i politikave t\u00eb menaxhimit, \u201cAND\u201d fleksibiliteti, \u201cAND\u201d menaxhimi n\u00eb baz\u00eb t\u00eb analizave, \u201cAND\u201d siguria, \u201cAND\u201d integrimi me ekosistemat e hapura. Operator\u00ebt logjik\u00eb \u201cAND\u201d \u00ebsht\u00eb nj\u00eb simbol m\u00eb t\u00eb gjat\u00eb se \u201cOR\u201d \u2013 ketu q\u00ebndron dallimi kryesor.<\/p>\n

Periudha kat\u00ebrthore: qendrat moderne t\u00eb t\u00eb dh\u00ebnave dhe ndryshimet e m\u00ebdha klimatike parashikojn\u00eb zhvillimin e storage-it t\u00eb caktuar nga programi<\/h2>\n

\nSi Datera arriti t\u00eb krijoj\u00eb nj\u00eb arkitektur\u00eb q\u00eb p\u00ebrmbush k\u00ebrkesat e sistemeve t\u00eb ruajtjes t\u00eb klas\u00ebs korporative dhe satisfakon k\u00ebrkesat e nj\u00eb qendre t\u00eb dh\u00ebnash moderne n\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb? T\u00eb gjitha p\u00ebrs\u00ebri kthehen n\u00eb at\u00eb operatorin e bezdissh\u00ebm \"DHE\".<\/p>\n

Nuk kishte kuptim t\u00eb zgjidhnim nj\u00eb nga nj\u00eb problemet p\u00ebr t\u00eb p\u00ebrmbushur k\u00ebrkesat e ve\u00e7anta. Shuma e k\u00ebtyre element\u00ebve nuk do t\u00eb b\u00ebhej nj\u00eb t\u00ebr\u00ebsi. Ashtu si n\u00eb \u00e7do sistem t\u00eb komplikuar, k\u00ebtu kishte r\u00ebnd\u00ebsi p\u00ebrpunimi i kujdessh\u00ebm i gjith\u00eb kompleksit t\u00eb kompromiseve t\u00eb balancuara. Gjat\u00eb zhvillimit, specialist\u00ebt e Datera u orientuan nga tre parime kryesore:<\/p>\n