{"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 ruajtes s\u00eb dh\u00ebnave t\u00eb p\u00ebrcaktuara nga programi, ose \u00e7far\u00eb e shkat\u00ebrroi dinosaur\u00ebt?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Sistemet
\n
\nDisa her\u00eb ato zinin vendin m\u00eb t\u00eb lart\u00eb t\u00eb zinxhirit t\u00eb ushqyerjes. Mij\u00ebra vjet. Pastaj ndodhi di\u00e7ka e paimagjinueshme: qielli u mbulua nga re, dhe ato ndalen s\u00eb ekzistuari. N\u00eb an\u00ebn tjet\u00ebr t\u00eb bot\u00ebs ndodhi nj\u00eb ngjarje q\u00eb ndryshoi klim\u00ebn: u rrit niveli i reve. 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 d\u00ebnuara t\u00eb d\u00ebshtonin. Peshor\u00eb t\u00eb lart\u00eb sunduan Tok\u00ebn p\u00ebr 100 milion vjet, duke rritur sa 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 maj\u00eb t\u00eb zinxhirit t\u00eb ushqyerjes, por Universi e ndryshoi menj\u00ebher\u00eb pamjen e planetit ton\u00eb.
\n<\/a><\/noindex>
\nP\u00ebr ironi, pik\u00ebrisht reku i shkret\u00ebroi dinosaur\u00ebt nga fytyra e Tok\u00ebs 66 milion vjet m\u00eb par\u00eb. Po ashtu, reku sot po shkat\u00ebrron sistemet klasike t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave q\u00eb ndodhen \"n\u00eb maj\u00ebn e zinxhirit t\u00eb ushqimit\". N\u00eb t\u00eb dy rastet, problemi nuk ishte me reku, por me aft\u00ebsin\u00eb p\u00ebr t'u adaptuar n\u00eb nj\u00eb bot\u00eb q\u00eb po ndryshon. N\u00eb rastin e dinosaur\u00ebve, gjith\u00e7ka ndodhi shpejt: efekti shkat\u00ebrrues i reku ndodhi brenda dit\u00ebsh ose jav\u00ebsh nga momenti i r\u00ebnies s\u00eb meteor\u00ebve (ose shp\u00ebrthimit t\u00eb vullkanit \u2013 zgjedhja e teoris\u00eb mbetet te ju). N\u00eb rastin e sistemeve klasike t\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave, procesi merr vite, por \u00ebsht\u00eb padyshim i pakthyesh\u00ebm.<\/p>\n

Periudha Trias: shekulli i hekurt t\u00eb madh dhe shfaqja e aplikacioneve migratore<\/h2>\n

\n\u00c7far\u00eb ndodhi at\u00ebher\u00eb? N\u00eb ekosistem\u00ebn e krijuar ekzistonin sistemet e ruajtjes s\u00eb t\u00eb dh\u00ebnave t\u00eb nivelit t\u00eb ul\u00ebt dhe t\u00eb mes\u00ebm, sistemet e nivelit t\u00eb korporat\u00ebs dhe sistemet e ruajtjes me lidhje direkte (DAS). K\u00ebto kategori ishin t\u00eb p\u00ebrcaktuara nga analist\u00ebt, kishin ato volumin e tregjeve t\u00eb tyre, treguesit e kostos, besueshm\u00ebris\u00eb, performanc\u00ebs dhe shkall\u00ebzueshm\u00ebris\u00eb. Pastaj ndodhi di\u00e7ka e \u00e7uditshme. <\/p>\n

Shfaqja e makinave virtuale n\u00ebnkuptonte se shum\u00eb aplikacione mund t\u00eb funksiononin nj\u00ebkoh\u00ebsisht n\u00eb nj\u00eb server, ndoshta nga disa pronar\u00eb \u2013 k\u00ebto ndryshime menj\u00ebher\u00eb v\u00ebn\u00eb n\u00eb pik\u00ebpyetje t\u00eb ardhmen e ruajtjes direkte. M\u00eb pas, pronar\u00ebt e infrastrukturave m\u00eb t\u00eb m\u00ebdha me hiper-shkall\u00ebzim (hiperskaler\u00ebt): Facebook, Google, eBay etj., t\u00eb lodhur nga pagesat e m\u00ebdha p\u00ebr ruajtjen e t\u00eb dh\u00ebnave, zhvilluan aplikacione t\u00eb veta q\u00eb siguronin aksesin n\u00eb t\u00eb dh\u00ebna mbi servera t\u00eb zakonsh\u00ebm p\u00ebrve\u00e7 atyre t\u00eb m\u00ebdhenj \u201cmetalik\u00eb\u201d. Pastaj, kompania Amazon prezantoi n\u00eb treg di\u00e7ka t\u00eb \u00e7uditshme t\u00eb quajtur Simple Storage Service (Sh\u00ebrbimi i Thesarit t\u00eb Thjesht\u00eb) ose S3. Jo nj\u00eb bllok, jo nj\u00eb skedar, por di\u00e7ka thelb\u00ebsisht t\u00eb re: u b\u00eb e pamundur t\u00eb blije sistemin, u shfaq mund\u00ebsia p\u00ebr t\u00eb bler\u00eb vet\u00ebm sh\u00ebrbimin. Prit, \u00e7far\u00eb \u00ebsht\u00eb ky drit\u00eb e ndritshme q\u00eb shihet n\u00eb qiell? Nj\u00eb asteroid tjet\u00ebr?<\/p>\n

Periudha Jurassike: era e \"mjaft t\u00eb mir\u00eb-dinozaur\u00ebve\" <\/h2>\n

\nKemi kaluar n\u00eb faz\u00ebn e zhvillimit t\u00eb SHT me ideologjin\u00eb \"e mjaftueshme\". Klient\u00ebt q\u00eb p\u00ebrdorin SHT, duke v\u00ebn\u00eb re se hiperskaluesit kan\u00eb b\u00ebr\u00eb k\u00ebt\u00eb, filluan t\u00eb dyshojn\u00eb n\u00eb drejt\u00ebsin\u00eb e vler\u00ebs s\u00eb shtuar dhjet\u00eb- deri n\u00eb nj\u00ebqindfish mbi harduerin q\u00eb ata paguanin p\u00ebr SHT-t\u00eb e tyre t\u00eb korporatave. Sistemet e nivelit t\u00eb mes\u00ebm filluan t\u00eb marrin pjes\u00eb n\u00eb tregun e sistemeve m\u00eb t\u00eb avancuara. Produkte si HPE 3PAR<\/a><\/noindex> kan\u00eb shfaqur rritje t\u00eb shpejt\u00eb. EMC Symmetrix, nj\u00eb sistem q\u00eb dikur dominonte (nga fjala \"masiv\") n\u00eb klas\u00ebn korporative, ende mbante ndonj\u00eb territor, por ai po zvog\u00eblohej me shpejt\u00ebsi. Shum\u00eb p\u00ebrdorues filluan t\u00eb transferonin t\u00eb dh\u00ebnat e tyre n\u00eb AWS.<\/p>\n

Nga ana tjet\u00ebr, novator\u00ebt e sistemeve t\u00eb ruajtjes filluan t\u00eb marrin ide nga hiperskala, duke p\u00ebrdorur teknologjit\u00eb e sistemeve t\u00eb shp\u00ebrndara me shkall\u00ebzim horizontal \u2013 nj\u00eb ideologji e kund\u00ebrt me shkall\u00ebzimin vertikal. Pritet q\u00eb softueri i ri i sistemeve t\u00eb ruajtjes t\u00eb mund t\u00eb funksionoj\u00eb n\u00eb server\u00eb t\u00eb zakonsh\u00ebm, ashtu si\u00e7 \u00ebsht\u00eb b\u00ebr\u00eb me hiperskalat. Asnj\u00eb m\u00eb shum\u00eb \u00e7mime 10-100 her\u00eb m\u00eb t\u00eb larta mbi koston e pajisjeve vet\u00eb. N\u00eb teori, \u00e7do server mund t\u00eb p\u00ebrdoret \u2013 zgjedhja varet nga preferencat tuaja. Epoka e sistemeve t\u00eb ruajtjes t\u00eb p\u00ebrcaktuara nga software (SDS) ka filluar: ret\u00eb kan\u00eb mbyllur qiejt, temperatura ka r\u00ebn\u00eb, dhe popullsia e grabitqar\u00ebve m\u00eb t\u00eb lart\u00eb ka filluar t\u00eb pak\u00ebsohet.<\/p>\n

Periudha e drit\u00ebs: fillimi i evolucionit t\u00eb sistemeve t\u00eb ruajtjes t\u00eb p\u00ebrcaktuara nga software <\/h2>\n

\nDit\u00ebt e para t\u00eb arkitektur\u00ebs s\u00eb p\u00ebrcaktuar nga softuer\u00ebt qen\u00eb t\u00eb trazuar. Premtoa shum\u00eb, por ofrua pak. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, ndodhi nj\u00eb ndryshim i r\u00ebnd\u00ebsish\u00ebm teknologjik: memorja flash u b\u00eb nj\u00eb alternativ\u00eb moderne ndaj \"\u00e7elikut rrotullues\" (HDD). Ky ishte nj\u00eb periudh\u00eb e shfaqjes s\u00eb shum\u00eb startupeve t\u00eb arkitektur\u00ebs s\u00eb p\u00ebrcaktuar nga softuer\u00ebt dhe parave t\u00eb investuara leht\u00ebsisht nga kapitalist\u00ebt e riskut. Gjith\u00e7ka do t\u00eb ishte n\u00eb rregull, n\u00ebse nuk do t\u00eb ishte nj\u00eb problem: ruajtja e t\u00eb dh\u00ebnave k\u00ebrkon nj\u00eb qasje serioze. Doli se klient\u00ebt e duan t\u00eb dh\u00ebnat e tyre. N\u00ebse ata humbin qasjen n\u00eb to, ose n\u00eb terabajt\u00eb t\u00eb dh\u00ebnash zbulohet nj\u00eb \u00e7ift bit\u00ebsh t\u00eb gabuar, ata shqet\u00ebsohen dhe shqet\u00ebsimi \u00ebsht\u00eb shum\u00eb i madh. Shumica e startupeve nuk e mbijetuan. Klient\u00ebt mor\u00ebn funksionalitete t\u00eb shk\u00eblqyera, por jo gjith\u00e7ka ishte n\u00eb rregull me mjetet themelore. Nj\u00eb recet\u00eb e keqe.<\/p>\n

Periudha Kainozoike: arrayt e arkitektur\u00ebs s\u00eb p\u00ebrcaktuar nga softuer\u00ebt dominojn\u00eb<\/h2>\n

\nPak\u00eb 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 tradicionale ruajtjeje t\u00eb dh\u00ebnash. Sigurisht, ata q\u00eb zhvendos\u00ebn aplikacionet e tyre n\u00eb re, i zhvendos\u00ebn atje edhe t\u00eb dh\u00ebnat. Por p\u00ebr shumic\u00ebn d\u00ebrrmuese t\u00eb klient\u00ebve, q\u00eb nuk duan t\u00eb kalojn\u00eb n\u00eb re plot\u00ebsisht, ose q\u00eb nuk duan t\u00eb kalojn\u00eb fare, Hewlett Packard Enterprise vazhdoi t\u00eb ofroj\u00eb sisteme tradicionale.<\/p>\n

Ne jetojm\u00eb n\u00eb vitin 2019, pse ende ekziston nj\u00eb biznes shum\u00ebmilion\u00ebsh p\u00ebr sistemet e ruajtjes s\u00eb dh\u00ebnash, t\u00eb bazuara n\u00eb teknologji nga koha e Y2K? Sepse ato funksionojn\u00eb! Thjesht, k\u00ebrkesat p\u00ebr aplikacione kritike nuk u p\u00ebrmbush\u00ebn nga produktet e krijuara gjat\u00eb valu t\u00eb entuziazmit. Produkte si HPE 3PAR kan\u00eb mbetur opsionet m\u00eb t\u00eb mira p\u00ebr klient\u00ebt korporativ\u00eb, dhe nj\u00eb hap i ri i evolucioni i arkitektur\u00ebs HPE 3PAR \u2013 HPE Primera<\/a><\/noindex> \u2013 e konfirmon k\u00ebt\u00eb.<\/p>\n

N\u00eb an\u00ebn tjet\u00ebr, mund\u00ebsit\u00eb e ruajtjes s\u00eb p\u00ebrcaktuar me program ishin t\u00eb shk\u00eblqyera: shkall\u00ebzimi horizontal, p\u00ebrdorimi i server\u00ebve standard\u2026 Por \u00e7mimi p\u00ebr k\u00ebt\u00eb ishin: disponueshm\u00ebria e paq\u00ebndrueshme, performanca e paparashikueshme dhe rregullat specifike t\u00eb shkall\u00ebzimit. <\/p>\n

Kompleksiteti i k\u00ebrkesave t\u00eb klient\u00ebve \u00ebsht\u00eb se ato kurr\u00eb nuk b\u00ebhen m\u00eb t\u00eb thjeshta. Askush nuk do t\u00eb thot\u00eb se humbja e integritetit t\u00eb t\u00eb dh\u00ebnave ose rritja e koh\u00ebs s\u00eb pezullimit jan\u00eb t\u00eb pranueshme. Pik\u00ebrisht p\u00ebr k\u00ebt\u00eb arsye, p\u00ebr sistemet e ruajtjes \u00ebsht\u00eb kaq e r\u00ebnd\u00ebsishme nj\u00eb arkitektur\u00eb q\u00eb 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, nuk humbet karakteristikat ky\u00e7e t\u00eb sistemit t\u00eb ruajtjes s\u00eb klas\u00ebs sip\u00ebrmore.<\/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 ruajtjes s\u00eb t\u00eb dh\u00ebnave \u2013 kompania Datera \u2013 arriti t\u00eb p\u00ebrballoj\u00eb nj\u00eb p\u00ebrzierje t\u00eb till\u00eb t\u00eb k\u00ebrkesave historikisht t\u00eb ngulitura dhe t\u00eb reja p\u00ebr ruajtjen e t\u00eb dh\u00ebnave. Para s\u00eb gjithash, p\u00ebrmes realizimit t\u00eb nj\u00eb arkitekture t\u00eb orientuar nga zgjidhja e dilem\u00ebs t\u00eb p\u00ebrshkruar m\u00eb lart. Nuk \u00ebsht\u00eb e mundur t\u00eb modifikosh arkitektur\u00ebn e vjet\u00ebr p\u00ebr t\u00eb zgjidhur detyrat q\u00eb i paraqiten qendr\u00ebs moderne t\u00eb t\u00eb dh\u00ebnave, ashtu si nuk \u00ebsht\u00eb e mundur t\u00eb modifikosh arkitektur\u00ebn e ruajtjes s\u00eb t\u00eb dh\u00ebnave t\u00eb programuar p\u00ebr t\u00eb p\u00ebrmbushur k\u00ebrkesat q\u00eb i paraqiten sistemeve t\u00eb nivelit korporativ: dinosar\u00ebt nuk iu b\u00ebn\u00eb mammifer\u00eb sepse ra temperatura. <\/p>\n

Nd\u00ebrtimi i nj\u00eb zgjidhjeje q\u00eb p\u00ebrmbush k\u00ebrkesat e ruajtjes s\u00eb t\u00eb dh\u00ebnave t\u00eb nivelit korporativ dhe nj\u00ebkoh\u00ebsisht merr parasysh t\u00eb gjith\u00eb vler\u00ebn e dinamik\u00ebs s\u00eb qendr\u00ebs 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 q\u00ebllonte t\u00eb b\u00ebnte kompania Datera. Specialist\u00ebt e Datera punuan p\u00ebr k\u00ebt\u00eb pes\u00eb vjet dhe gjet\u00ebn recet\u00ebn e \"gatimit\" t\u00eb nj\u00eb ruajte t\u00eb dh\u00ebnash t\u00eb programuar t\u00eb nivelit sip\u00ebrm.<\/p>\n

V\u00ebshtir\u00ebsia kryesore me t\u00eb cil\u00ebn u ballafaquesh Datera ishte se duhej t\u00eb p\u00ebrdorte operatorin logjik \"AND\" n\u00eb vend t\u00eb \"OR\" q\u00eb \u00ebsht\u00eb duksh\u00ebm m\u00eb i thjesht\u00eb. Disponueshm\u00ebria e q\u00ebndrueshme, \"AND\" performanca e parashikueshme, \"AND\" shkall\u00ebzueshm\u00ebria arkitekturore, \"AND\" orkestrimi si kod, \"AND\" pajisjet e standardizuara, \"AND\" implementimi i politikave t\u00eb menaxhimit, \"AND\" fleksibiliteti, \"AND\" menaxhimi i bazuar n\u00eb analitik\u00eb, \"AND\" siguria, \"AND\" integrimi me ekosistemet e hapura. Operatorin logjik \"AND\" \u00ebsht\u00eb nj\u00eb simbol m\u00eb i gjat\u00eb se \"OR\" - k\u00ebtu q\u00ebndron dallimi kryesor.<\/p>\n

Periudha kat\u00ebrkuadrove: qendrat e t\u00eb dh\u00ebnave moderne dhe ndryshimi i papritur i klim\u00ebs paracaktojn\u00eb zhvillimin e arkitekturave t\u00eb p\u00ebrcaktuara nga softueri.<\/h2>\n

\nSi e shpiku Datera nj\u00eb arkitektur\u00eb q\u00eb i p\u00ebrmbush k\u00ebrkesat e arkitekturave tradicionale t\u00eb klasit t\u00eb korporatave dhe p\u00ebrmbush k\u00ebrkesat e qendrave moderne t\u00eb t\u00eb dh\u00ebnave nj\u00ebkoh\u00ebsisht? E gjith\u00eb kjo p\u00ebrs\u00ebri e kthen te ai operator nervoz \"AND\".<\/p>\n

Nuk kishte kuptim t\u00eb zgjidhnit nj\u00eb nga nj\u00eb detyrat p\u00ebr plot\u00ebsimin e k\u00ebrkesave t\u00eb ve\u00e7anta. Shuma e k\u00ebtyre elementeve nuk do t\u00eb b\u00ebhet nj\u00eb e t\u00ebr\u00eb. Si n\u00eb \u00e7do sistem t\u00eb komplikuar, k\u00ebtu ishte e r\u00ebnd\u00ebsishme t\u00eb punohej me kujdes mbi t\u00eb gjith\u00eb kompleksin e kompromiseve t\u00eb ekuilibruar. Gjat\u00eb zhvillimit, specialist\u00ebt e kompanis\u00eb Datera u orientuan nga tre parime kryesore:<\/p>\n