{"id":30402,"date":"2019-10-31T21:35:21","date_gmt":"2019-10-31T18:35:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/flexiremap-protiv-raid\/"},"modified":"2019-10-31T21:35:21","modified_gmt":"2019-10-31T18:35:21","slug":"flexiremap-protiv-raid","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/flexiremap-protiv-raid","title":{"rendered":"FlexiRemap\u00ae kund\u00ebr RAID","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Algoritmet RAID u prezantuan publikut q\u00eb n\u00eb vitin 1987. Edhe sot ata mbeten teknologjia m\u00eb e k\u00ebrkuar p\u00ebr mbrojtjen dhe p\u00ebrshpejtimin e qasjes n\u00eb t\u00eb dh\u00ebna n\u00eb fush\u00ebn e ruajtjes s\u00eb informacionit. Por mosha e teknologjis\u00eb IT, e cila ka kaluar pragun e 30 vjet\u00ebve, nuk \u00ebsht\u00eb m\u00eb shum\u00eb se sa nj\u00eb plakje. Arsyetimi \u00ebsht\u00eb progresi, i cili sjell vazhdimisht mund\u00ebsi t\u00eb reja. N\u00eb koh\u00ebn kur praktikisht nuk kishte ruajt\u00ebs tjet\u00ebr p\u00ebrve\u00e7 HDD-ve, algoritmet RAID lejonin p\u00ebrdorimin m\u00eb efikas t\u00eb burimeve t\u00eb ruajtjes. Megjithat\u00eb, me shfaqjen e SSD-ve, situata \u00ebsht\u00eb ndryshuar rr\u00ebnj\u00ebsisht. Tani, RAID kur punon me ruajt\u00ebsit me gjendje t\u00eb ngurt\u00eb \u00ebsht\u00eb tashm\u00eb nj\u00eb \"p\u00ebrmbysje\" n\u00eb performanc\u00ebn e tyre. Prandaj, p\u00ebr t\u00eb shpalosur potencialin e plot\u00eb t\u00eb karakteristikave t\u00eb shpejt\u00ebsis\u00eb s\u00eb SSD-ve, \u00ebsht\u00eb e nevojshme nj\u00eb qasje krejt\u00ebsisht e ndryshme n\u00eb pun\u00ebn me to.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/1633250deaffc822dbd043caa229ea2b.png\" style=\"display:block;margin: 0 auto;\" \/><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>P\u00ebrve\u00e7 dallimeve t\u00eb dukshme n\u00eb parimet e pun\u00ebs, HDD dhe SSD kan\u00eb nj\u00eb karakteristik\u00eb tjet\u00ebr t\u00eb r\u00ebnd\u00ebsishme: \u00e7do disk i fort\u00eb mund t\u00eb rip\u00ebrshkruaj\u00eb t\u00eb dh\u00ebna n\u00eb nj\u00eb granularitet prej nj\u00eb blloku (shpesh kjo \u00ebsht\u00eb 4KB). P\u00ebr SSD, procesi i rip\u00ebrshkrimit \u00ebsht\u00eb nj\u00eb procedur\u00eb m\u00eb e nd\u00ebrlikuar:<\/p>\n<p><\/p>\n<ul>\n<li>T\u00eb dh\u00ebnat e ndryshuara kopjohen n\u00eb nj\u00eb vend t\u00eb ri. N\u00eb k\u00ebt\u00eb rast, granulariteti \u00ebsht\u00eb blloku i nj\u00ebjt\u00eb, por i p\u00ebrb\u00ebr\u00eb nga disa faqe dhe me nj\u00eb madh\u00ebsi prej 256KB \u2013 4MB. Pra, kur ndryshohen ato 4KB, \u00ebsht\u00eb e nevojshme t\u00eb kopjohen gjithashtu t\u00eb gjitha fqinj\u00ebt q\u00eb formojn\u00eb nj\u00eb bllok t\u00eb vet\u00ebm.<\/li>\n<li>\"Blloqet e 'vjetra' t\u00eb sh\u00ebnohen si t\u00eb pap\u00ebrdorura, p\u00ebr t'u fshir\u00eb m\u00eb von\u00eb nga mbledh\u00ebsi i 'mbetjeve' (Garbage Collector).<\/li>\n<\/ul>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/79f6a2a9657171387121b00c956f9034.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><i>Shkrimi\/rip\u00ebrshkrimi i radh\u00ebs n\u00eb SSD<\/i><\/p>\n<p><\/p>\n<p>N\u00eb rastin e shkrimit\/rip\u00ebrshkrimit t\u00eb radh\u00ebs, kjo ve\u00e7ori e funksionimit t\u00eb SSD-ve nuk luan nj\u00eb rol t\u00eb madh n\u00eb performanc\u00ebn e tij, pasi blloqet jan\u00eb t\u00eb vendosura af\u00ebr, dhe mbledh\u00ebsi i 'mbetjeve' e p\u00ebrfundon pun\u00ebn e tij n\u00eb sfond. Por n\u00eb jet\u00ebn reale, dhe sidomos n\u00eb segmentin Enterprise, p\u00ebr SSD zakonisht p\u00ebrdoret qasja e rast\u00ebsishme n\u00eb t\u00eb dh\u00ebna. Dhe k\u00ebto t\u00eb dh\u00ebna shkruhen n\u00eb vende t\u00eb rast\u00ebsishme n\u00eb ruajt\u00ebsit.<\/p>\n<p><\/p>\n<p>Sa m\u00eb shum\u00eb t\u00eb dh\u00ebna shkruhen n\u00eb SSD, aq m\u00eb e v\u00ebshtir\u00eb b\u00ebhet puna e mbledh\u00ebsit t\u00eb \"debris\u00eb\", pasi fraksionimi rritet ndjesh\u00ebm. Si rezultat, arrin momenti kur procesi i pastrimit t\u00eb pajisjes nuk \u00ebsht\u00eb m\u00eb \"n\u00eb sfond\": performanca e SSD ulet ndjesh\u00ebm, pasi nj\u00eb pjes\u00eb t\u00eb konsiderueshme t\u00eb saj e merr Garbage Collector.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/3374a6b98f220f7c4e4ff75a04565c26.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><i>Pozita reale e t\u00eb dh\u00ebnave n\u00eb SSD gjat\u00eb p\u00ebrdorimit t\u00eb p\u00ebrditsh\u00ebm<\/i><\/p>\n<p><\/p>\n<p>P\u00ebr t\u00eb ilustruar efektin e ndikimit t\u00eb pun\u00ebs s\u00eb mbledh\u00ebsit t\u00eb \"debris\u00eb\" n\u00eb var\u00ebsi t\u00eb modit t\u00eb shkruarjes n\u00eb pajisje, mund t\u00eb kryhen teste t\u00eb thjeshta: shkruajtje rreshtash dhe rast\u00ebsore me blloqe 4KB n\u00eb nj\u00eb pajisje 100GB. (Burimi \u2013 kompania <noindex><a rel=\"nofollow\" href=\"http:\/\/www.micron.com\/~\/media\/documents\/products\/technical-marketing-brief\/brief_ssd_effect_data_placement_writes.pdf\">Micron<\/a><\/noindex>)<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/7e3b1f25dd27463d2c7b08ae84ff44b4.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><i>Performanca gjat\u00eb shkruajtjes rreshtash<\/i><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/9c7d7be5982d6df688cf9481a0e9a826.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><i>Performanca gjat\u00eb shkruajtjes rast\u00ebsore<\/i><\/p>\n<p><\/p>\n<p>Si\u00e7 shihet nga testet, r\u00ebnia e performanc\u00ebs mund t\u00eb arrij\u00eb m\u00eb shum\u00eb se dy her\u00eb. Dhe kjo \u00ebsht\u00eb thjesht nj\u00eb pajisje e vetme. N\u00eb rastin e p\u00ebrdorimit t\u00eb SSD n\u00eb nj\u00eb grup RAID, numri i operacioneve t\u00eb rishtimit rritet ndjesh\u00ebm, p\u00ebr shkak t\u00eb pun\u00ebs me paritet.<\/p>\n<p><\/p>\n<p>N\u00eb p\u00ebrgjith\u00ebsi, p\u00ebr shkak t\u00eb k\u00ebtyre ve\u00e7orive t\u00eb pun\u00ebs s\u00eb SSD, p\u00ebr to ekziston nj\u00eb paramet\u00ebr i till\u00eb si koeficienti i shkruajtjes (write amplification). Ky \u00ebsht\u00eb raporti i volumin e t\u00eb dh\u00ebnave q\u00eb jan\u00eb shkruar n\u00eb pajisje, ndaj volumin e t\u00eb dh\u00ebnave q\u00eb n\u00eb t\u00eb v\u00ebrtet\u00eb d\u00ebrgoi hosti. Dhe p\u00ebr RAID5 m\u00eb t\u00eb njohur ky koeficient \u00ebsht\u00eb af\u00ebrsisht ~3.5. <\/p>\n<p><\/p>\n<p>Si rezultat, sistemet me RAID klasik p\u00ebrdorin SSD vet\u00ebm ~10% t\u00eb shpejt\u00ebsis\u00eb s\u00eb tyre reale dhe kan\u00eb v\u00ebshtir\u00ebsi n\u00eb shkall\u00ebzimin e performanc\u00ebs kur numri i pajisjeve kalon dhjet\u00eb.<\/p>\n<p><\/p>\n<p>Gjithashtu, vlen t\u00eb p\u00ebrmendet se operacionet e tep\u00ebrta t\u00eb shkruajtjes jo vet\u00ebm q\u00eb zvog\u00eblojn\u00eb performanc\u00ebn e SSD, por gjithashtu e pak\u00ebsojn\u00eb burimin e tij, duke e shkurtuar k\u00ebshtu jet\u00ebgjat\u00ebsin\u00eb e pajisjes.<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/accelstor.ru\/page\/flexiremap-technology\">Teknologjia FlexiRemap\u00ae<\/a><\/noindex>, e cila \u00ebsht\u00eb thelbi i t\u00eb gjith\u00eb produkteve AccelStor, \u00ebsht\u00eb zhvilluar si nj\u00eb alternativ\u00eb ndaj algoritmeve klasike t\u00eb RAID kur punojn\u00eb me SSD. Inovacioni i teknologjis\u00eb \u00ebsht\u00eb vler\u00ebsuar si nga patente t\u00eb ndryshme dhe \u00e7mime (p\u00ebrfshir\u00eb n\u00eb Flash Memory Summit 2016), ashtu edhe nga rezultatet e testeve t\u00eb pavarura (p\u00ebr shembull, SPC1).<\/p>\n<p><\/p>\n<p>Kuptimi <noindex><a rel=\"nofollow\" href=\"http:\/\/accelstor.ru\/page\/flexiremap-advantages\">FlexiRemap\u00ae<\/a><\/noindex> p\u00ebrfshihet n\u00eb transformimin e t\u00eb gjitha k\u00ebrkesave q\u00eb vijn\u00eb p\u00ebr shkarkim, kryesisht nga tipi i rast\u00ebsish\u00ebm, n\u00eb nj\u00eb grup bllokesh, maksimalisht t\u00eb ngjash\u00ebm me modalitetin e shkarkimit rreshtor nga perspektiva e ruajt\u00ebsit. Si rezultat, shkarkimi n\u00eb SSD ndodh n\u00eb modalitetin m\u00eb t\u00eb rehatsh\u00ebm p\u00ebr ta, dhe performanca p\u00ebrfundimtare e tejkalon \u00e7do sistem me RAID klasik.<\/p>\n<p><\/p>\n<p>T\u00eb gjitha SSD n\u00eb sistemet AccelStor ndahen n\u00eb dy grupe simetrike FlexiRemap\u00ae. Madh\u00ebsia e grupit varet nga modeli dhe varion nga 5 n\u00eb 11 ruajt\u00ebs. P\u00ebr q\u00ebllime q\u00ebndrueshm\u00ebrie brenda grupit, p\u00ebrdoret pariteti si n\u00eb RAID5. T\u00eb dy grupet p\u00ebrdoren s\u00eb bashku, duke formuar nj\u00eb hap\u00ebsir\u00eb t\u00eb p\u00ebrbashk\u00ebt ruajtjeje. Prandaj, q\u00ebndrueshm\u00ebria p\u00ebrfundimtare do t\u00eb jet\u00eb e ngjashme me nj\u00eb masiv RAID50, q\u00eb p\u00ebrb\u00ebhet nga dy grupe: sistemi \u00ebsht\u00eb n\u00eb gjendje t\u00eb p\u00ebrballoj\u00eb d\u00ebshtimin e deri n\u00eb dy SSD, por jo m\u00eb shum\u00eb se nj\u00eb nga \u00e7do grup FlexiRemap\u00ae.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/76adaa3e4a9dbd1394ba18dac79e21e5.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>T\u00eb gjitha k\u00ebrkesat p\u00ebr shkarkim ndahen n\u00eb blloqe me madh\u00ebsi 4KB, t\u00eb cilat shkarkohen n\u00eb m\u00ebnyr\u00eb t\u00eb nd\u00ebrsjell\u00eb n\u00eb t\u00eb dy grupet FlexiRemap\u00ae. Gjat\u00eb k\u00ebsaj kohe, sistemi mban vazhdimisht hesapin e k\u00ebrkesave t\u00eb blloqeve t\u00eb shkarkuara, duke u p\u00ebrpjekur q\u00eb gjat\u00eb ndryshimit t\u00eb tyre t\u00eb shkarkoj\u00eb blloqet e ngjashme sa m\u00eb af\u00ebr nj\u00ebri-tjetrit. Kjo rezulton n\u00eb nj\u00eb analog virtual t\u00eb tiering, n\u00eb terma t\u00eb SCSI. N\u00eb k\u00ebt\u00eb rast, puna e mbledh\u00ebsit t\u00eb \"mbetjeve\" leht\u00ebsohet ndjesh\u00ebm: blloqet e pa p\u00ebrdorura do t\u00eb mbeten gjithmon\u00eb pran\u00eb nj\u00ebra-tjetr\u00ebs.<\/p>\n<p><\/p>\n<p>Duhet theksuar se <noindex><a rel=\"nofollow\" href=\"http:\/\/accelstor.ru\/page\/modeli-vysokoj-dostupnosti-ha\">sistemet AccelStor<\/a><\/noindex> ndryshe nga produktet e konkurrent\u00ebve, nuk p\u00ebrdorin funksionalitetin e cache-it t\u00eb k\u00ebrkesave t\u00eb ardhshme n\u00eb memorien operacionale t\u00eb kontrollorit. T\u00eb gjitha blloqet e dh\u00ebnave q\u00eb vijn\u00eb shkarkohen menj\u00ebher\u00eb n\u00eb SSD. Hosti merr konfirmimin p\u00ebr shkarkimin e suksessh\u00ebm vet\u00ebm pasi t\u00eb jen\u00eb vendosur fizikisht t\u00eb dh\u00ebnat n\u00eb ruajt\u00ebsit. N\u00eb RAM ruhen vet\u00ebm tabelat e vendosjes s\u00eb blloqeve n\u00eb SSD p\u00ebr t\u00eb p\u00ebrshpejtuar aksesin dhe p\u00ebr t\u00eb p\u00ebrcaktuar se ku t\u00eb shkarkohet blloku i ardhsh\u00ebm t\u00eb dh\u00ebnash. Sigurisht, p\u00ebr q\u00ebndrueshm\u00ebri, kopjet e k\u00ebtyre tabelave jan\u00eb gjithashtu t\u00eb vendosura n\u00eb vet\u00eb ruajt\u00ebsit. Si rezultati, sistemet AccelStor nuk k\u00ebrkojn\u00eb asnj\u00eb mbrojtje t\u00eb cache-it n\u00eb form\u00ebn e nj\u00eb baterie\/kapacitetori (nd\u00ebrkoh\u00eb, ekziston mund\u00ebsia p\u00ebr t\u00eb vendosur lidhje me UPS-in \u2013 p\u00ebr \"shk\u00ebputje t\u00eb but\u00eb\" n\u00eb rast probleme me furnizimin me energji).<\/p>\n<p><\/p>\n<p>Me fal\u00eb nj\u00eb qasje t\u00eb till\u00eb n\u00eb organizimin e sh\u00ebnimeve, mbledh\u00ebsi i \"plehrave\" \u00ebsht\u00eb n\u00eb gjendje t\u00eb punoj\u00eb n\u00eb sfond, pa ndikuar duksh\u00ebm n\u00eb shpejt\u00ebsin\u00eb e ruajt\u00ebsve, \u00e7ka n\u00eb fund lejon q\u00eb deri n\u00eb 90% e performanc\u00ebs s\u00eb SSD-s\u00eb t\u00eb riciklohet brenda sistemit. Kjo \u00ebsht\u00eb pik\u00ebrisht arsyeja pse performancat e larta IOPS n\u00eb sistemet AccelStor jan\u00eb t\u00eb pranishme krahas All Flash, t\u00eb cilat mb\u00ebshteten n\u00eb algoritmet RAID.<\/p>\n<p><\/p>\n<p>Gjithashtu, nj\u00eb ve\u00e7ori e r\u00ebnd\u00ebsishme e teknologjis\u00eb FlexiRemap\u00ae \u00ebsht\u00eb reduktimi i duksh\u00ebm i operacioneve t\u00eb tepruara t\u00eb shkruarjes n\u00eb SSD. K\u00ebshtu, koeficienti i shkruarjes p\u00ebr sistemet AccelStor \u00ebsht\u00eb vet\u00ebm 1.3, q\u00eb n\u00eb p\u00ebrkthim n\u00eb gjuh\u00ebn e zakonshme do t\u00eb thot\u00eb se jeta e ruajt\u00ebsve zgjatet m\u00eb shum\u00eb se 2.5 her\u00eb krahasuar me RAID5! <\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/c503ed537aed33aa0e1e98595ed020a2.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Fal\u00eb mbik\u00ebqyrjes s\u00eb vazhdueshme nga sistemi mbi politik\u00ebn e vendosjes s\u00eb t\u00eb dh\u00ebnave n\u00eb SSD, t\u00eb gjitha ruajt\u00ebsit konsumohen n\u00eb m\u00ebnyr\u00eb t\u00eb barabart\u00eb. Kjo qasje lejon parashikimin e jet\u00ebs s\u00eb tyre dhe d\u00ebrgimin e nj\u00eb sinjali t\u00eb avancuar administratorit p\u00ebr shterimin e burimit t\u00eb shkruarjes.<\/p>\n<p><\/p>\n<p>\u00cbsht\u00eb e qart\u00eb se SSD-t\u00eb mund t\u00eb d\u00ebshtojn\u00eb. N\u00eb k\u00ebt\u00eb rast, sistemi menj\u00ebher\u00eb do t\u00eb filloj\u00eb rind\u00ebrtimin n\u00eb nj\u00eb nga disqet rezerv\u00eb. Nd\u00ebrkoh\u00eb, grupi FlexiRemap\u00ae, q\u00eb ndodhet n\u00eb gjendje t\u00eb degraduar, kalon n\u00eb modin \"vet\u00ebm p\u00ebr lexim\", dhe t\u00eb gjitha k\u00ebrkesat p\u00ebr shkruarje d\u00ebrgohen n\u00eb grupin e dyt\u00eb. Ky mekaniz\u00ebm mbrojt\u00ebs \u00ebsht\u00eb parashikuar p\u00ebr t\u00eb p\u00ebrshpejtuar operacionin e rind\u00ebrtimit dhe p\u00ebr t\u00eb ulur probabilitetin e d\u00ebshtimit t\u00eb nj\u00eb disku tjet\u00ebr n\u00eb t\u00eb nj\u00ebjtin grup. E v\u00ebrteta \u00ebsht\u00eb se gjat\u00eb rind\u00ebrtimit t\u00eb gjith\u00eb ruajt\u00ebsit n\u00eb grup ndiejn\u00eb nj\u00eb ngarkes\u00eb t\u00eb shtuar p\u00ebr shkak t\u00eb nd\u00ebrferencave nga operacionet e leximit, shkruarjes dhe rim\u00ebk\u00ebmbjes n\u00eb rezerv\u00eb. K\u00ebshtu, rritet probabiliteti i nj\u00eb d\u00ebshtimi tjet\u00ebr disku. Sa m\u00eb shum\u00eb operacione shkruarje, aq m\u00eb gjat\u00eb do t\u00eb zgjas\u00eb rind\u00ebrtimi. <\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"FlexiRemap\u00ae kund\u00ebr RAID\" src=\"\/wp-content\/uploads\/2019\/03\/c6389348c25427854ae24a17da9b89a7.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Pas p\u00ebrfundimit t\u00eb procesit t\u00eb rim\u00ebk\u00ebmbjes dhe kthimit t\u00eb grupit FlexiRemap\u00ae n\u00eb gjendjen normale, do t\u00eb ket\u00eb nj\u00eb disbalanc\u00eb t\u00eb vog\u00ebl n\u00eb burimin e shkruarjes midis dy grupeve. Prandaj, p\u00ebr ta ekuilibruar, operacionet e ardhshme t\u00eb shkruarjes do t\u00eb bien m\u00eb shpesh n\u00eb grupin e rim\u00ebk\u00ebmbur (sigurisht, me llogari se performanca p\u00ebrfundimtare e sistemit t\u00eb mos vuaj\u00eb shum\u00eb).<\/p>\n<p><\/p>\n<blockquote><p>Rritja e performanc\u00ebs s\u00eb sistemeve All Flash, t\u00eb bazuara n\u00eb algoritmet RAID, mbi disa vlera (~280K IOPS@4K shkruar rast\u00ebsor) nuk arrin t\u00eb realizohet as me p\u00ebrdorimin e sistemeve t\u00eb nd\u00ebrlikuara t\u00eb caching. Teknologjia FlexiRemap\u00ae, fal\u00eb nj\u00eb qasje krejt\u00ebsisht ndryshe ndaj organizat\u00ebs s\u00eb hap\u00ebsir\u00ebs s\u00eb ruajtjes, jo vet\u00ebm q\u00eb e kalon leht\u00ebsisht k\u00ebt\u00eb barrier\u00eb, por gjithashtu rrit disa her\u00eb jet\u00ebgjat\u00ebsin\u00eb e SSD-ve. Prandaj, sistemet <noindex><a rel=\"nofollow\" href=\"http:\/\/accelstor.ru\">AccelStor<\/a><\/noindex> kan\u00eb avantazhe t\u00eb r\u00ebnd\u00ebsishme midis grupeve All Flash n\u00eb shum\u00eb fronte (IOPS\/$, GB\/$, TCO, ROI), duke i b\u00ebr\u00eb ato kandidat\u00eb ideal\u00eb p\u00ebr pozita ky\u00e7e n\u00eb qendrat e t\u00eb dh\u00ebnave t\u00eb klient\u00ebve p\u00ebr zgjidhjen e detyrave q\u00eb k\u00ebrkojn\u00eb burime t\u00eb m\u00ebdha.<\/p><\/blockquote>\n<p>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/accelstor\/blog\/445336\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b RAID \u0431\u044b\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0432 \u0434\u0430\u043b\u0435\u043a\u043e\u043c 1987 \u0433\u043e\u0434\u0443. \u041f\u043e \u0441\u0435\u0439 \u0434\u0435\u043d\u044c \u043e\u043d\u0438 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0435\u0439 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0432 \u0441\u0444\u0435\u0440\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u041d\u043e \u0432\u043e\u0437\u0440\u0430\u0441\u0442 IT \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438, \u043f\u0435\u0440\u0435\u0448\u0430\u0433\u043d\u0443\u0432\u0448\u0435\u0439 30-\u0442\u0438 \u043b\u0435\u0442\u043d\u0438\u0439 \u0440\u0443\u0431\u0435\u0436, \u2013 \u044d\u0442\u043e \u0441\u043a\u043e\u0440\u0435\u0435 \u043d\u0435 \u0437\u0440\u0435\u043b\u043e\u0441\u0442\u044c, \u0430 \u0443\u0436\u0435 \u0441\u0442\u0430\u0440\u043e\u0441\u0442\u044c. \u041f\u0440\u0438\u0447\u0438\u043d\u043e\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0433\u0440\u0435\u0441\u0441, \u043d\u0435\u0443\u043c\u043e\u043b\u0438\u043c\u043e \u043d\u0435\u0441\u0443\u0449\u0438\u0439 \u0432 \u0441\u0435\u0431\u0435 \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438. \u0412\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0430, \u043a\u043e\u0433\u0434\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22403,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b RAID \u0431\u044b\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0432 \u0434\u0430\u043b\u0435\u043a\u043e\u043c 1987 \u0433\u043e\u0434\u0443. \u041f\u043e \u0441\u0435\u0439 \u0434\u0435\u043d\u044c \u043e\u043d\u0438 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0435\u0439 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0432 \u0441\u0444\u0435\u0440\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/flexiremap-protiv-raid\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"sq_AL\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47FlexiRemap\u00ae \u043f\u0440\u043e\u0442\u0438\u0432 RAID | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b RAID \u0431\u044b\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0432 \u0434\u0430\u043b\u0435\u043a\u043e\u043c 1987 \u0433\u043e\u0434\u0443. \u041f\u043e \u0441\u0435\u0439 \u0434\u0435\u043d\u044c \u043e\u043d\u0438 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0435\u0439 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0432 \u0441\u0444\u0435\u0440\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/flexiremap-protiv-raid\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T18:35:21+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T18:35:21+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47FlexiRemap\u00ae kund\u00ebr RAID | ProHoster","description":"Algoritmet RAID u prezantuan p\u00ebr publikun m\u00eb 1987. Deri m\u00eb sot, ato mbeten teknologjia m\u00eb e k\u00ebrkuar p\u00ebr mbrojtjen dhe p\u00ebrshpejtimin e qasjes ndaj t\u00eb dh\u00ebnave n\u00eb fush\u00ebn e ruajtjes s\u00eb informacionit.","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/flexiremap-protiv-raid","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47FlexiRemap\u00ae \u043f\u0440\u043e\u0442\u0438\u0432 RAID | ProHoster","og:description":"\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b RAID \u0431\u044b\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0432 \u0434\u0430\u043b\u0435\u043a\u043e\u043c 1987 \u0433\u043e\u0434\u0443. \u041f\u043e \u0441\u0435\u0439 \u0434\u0435\u043d\u044c \u043e\u043d\u0438 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0435\u0439 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0432 \u0441\u0444\u0435\u0440\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438.","og:url":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/flexiremap-protiv-raid","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T18:35:21+00:00","article:modified_time":"2019-10-31T18:35:21+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"30402","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-21 01:04:19","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 03:35:24","updated":"2026-01-21 01:04:19","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/30402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=30402"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/30402\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media\/22403"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=30402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=30402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=30402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}