{"id":34884,"date":"2019-10-31T22:01:01","date_gmt":"2019-10-31T19:01:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0\/"},"modified":"2019-10-31T22:01:01","modified_gmt":"2019-10-31T19:01:01","slug":"upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0","title":{"rendered":"Upgrade e n\u00ebnsistemit disk t\u00eb serverit t\u00eb vjet\u00ebr me autobus PCIe 1.0 \u2014 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Upgrade e n\u00ebnsistemit disk t\u00eb serverit t\u00eb vjet\u00ebr me autobus PCIe 1.0 \u2014 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/68025340a72b1acac62371764f328712.jpg\" style=\"display:block;margin: 0 auto;\" \/><b class=\"spoiler_title\">Pse tema e k\u00ebtij artikulli \u00ebsht\u00eb upgrade i sistemit disk<\/b>\u00cbsht\u00eb e qart\u00eb se s\u00eb pari, zakonisht \u00ebsht\u00eb e nevojshme:<\/p>\n<ol>\n<li>T\u00eb rritet memoria e operativ\u00ebs. Ky \u00ebsht\u00eb nj\u00eb veprim aq i qart\u00eb saq\u00eb nuk e kam menduar t\u00eb shkruaj mbi t\u00eb n\u00eb artikullin kryesor<\/li>\n<li>T\u00eb shtohet nj\u00eb procesor(\u00eb) shtes\u00eb ose t\u00eb z\u00ebvend\u00ebsohen t\u00eb dy procesor\u00ebt me versionet m\u00eb t\u00eb fuqishme q\u00eb mb\u00ebshteten nga socket-et e serverit.<\/li>\n<\/ol>\n<p>\nP\u00ebr server\u00ebt e vjet\u00ebr, memories dhe procesor\u00ebt, zakonisht mund t\u00eb gjenden me \u00e7mime shum\u00eb t\u00eb ul\u00ebta.<\/p>\n<p>N\u00eb nj\u00eb moment t\u00eb caktuar, \u00e7do pronar i nj\u00eb serveri t\u00eb vet mund t\u00eb ndeshet me pyetjen \u2014 upgrade apo server i ri.<\/p>\n<p>Duke qen\u00eb se \u00e7mimi i nj\u00eb serveri t\u00eb ri tani mund t\u00eb matet n\u00eb miliona rubla, shum\u00eb njer\u00ebz zgjedhin rrug\u00ebn e upgrade-it.<\/p>\n<p>P\u00ebr nj\u00eb upgrade t\u00eb suksessh\u00ebm, \u00ebsht\u00eb shum\u00eb e r\u00ebnd\u00ebsishme t\u00eb p\u00ebrdoren kompromiset, n\u00eb m\u00ebnyr\u00eb q\u00eb p\u00ebr nj\u00eb \u00e7mim modest (n\u00eb krahasim me \u00e7mimin e nj\u00eb serveri t\u00eb ri) t\u00eb arrijm\u00eb nj\u00eb fitim t\u00eb duksh\u00ebm n\u00eb performanc\u00eb.<\/p>\n<p>N\u00eb k\u00ebt\u00eb artikull \u00ebsht\u00eb paraqitur nj\u00eb list\u00eb e SSD-ve serverike PCI-E 2.0 x8, t\u00eb cilat tani kan\u00eb p\u00ebsuar nj\u00eb ulje t\u00eb madhe n\u00eb \u00e7mim, jan\u00eb p\u00ebrmendur kontrolluesit RAID me mb\u00ebshtetje p\u00ebr SSD caching dhe \u00ebsht\u00eb testuar nj\u00eb SATA III SSD n\u00eb nd\u00ebrfaqen SATA II.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nM\u00ebnyra m\u00eb evidente p\u00ebr t\u00eb p\u00ebrmir\u00ebsuar sistemin e diskut \u00ebsht\u00eb kalimi nga HDD n\u00eb SSD. Kjo \u00ebsht\u00eb e v\u00ebrtet\u00eb si p\u00ebr laptop\u00ebt, ashtu edhe p\u00ebr server\u00ebt. N\u00eb server\u00eb, ndoshta, ndryshimi \u00ebsht\u00eb vet\u00ebm se SSD-t\u00eb mund t\u00eb kombinohen leht\u00ebsisht n\u00eb RAID.<\/p>\n<p>Megjithat\u00eb, ka disa detaje t\u00eb holl\u00ebsishme q\u00eb nd\u00ebrlidhen me faktin se mund t\u00eb mos ket\u00eb porte SATA III n\u00eb nj\u00eb server t\u00eb vjet\u00ebr dhe at\u00ebher\u00eb do t\u00eb duhet t\u00eb z\u00ebvend\u00ebsohet ose t\u00eb instalohet nj\u00eb kontrollues p\u00ebrkat\u00ebs.<\/p>\n<p>Sigurisht, ka edhe m\u00ebnyra nd\u00ebrmjet\u00ebse.<\/p>\n<h2>Keshimi n\u00eb SSD.<\/h2>\n<p>\nN\u00eb p\u00ebrgjith\u00ebsi, kjo metod\u00eb \u00ebsht\u00eb e p\u00ebrshtatshme p\u00ebr bazat e t\u00eb dh\u00ebnave, 1C, dhe \u00e7do akses t\u00eb rast\u00ebsish\u00ebm. Spegti n\u00eb t\u00eb v\u00ebrtet\u00eb p\u00ebrshpejtohet. P\u00ebr skedar\u00ebt e m\u00ebdhenj, si video mbik\u00ebqyrje, kjo metod\u00eb \u00ebsht\u00eb e padobishme.<\/p>\n<h3>Kontroller\u00ebt RAID LSI (IBM, DELL, CISCO, Fujtsu)<\/h3>\n<p>\nFillimisht me serin\u00eb 92xx, LSI ka teknologjin\u00eb CacheCade 2.0, e cila lejon p\u00ebrdorimin e pothuajse \u00e7do SATA SSD si cache p\u00ebr RAID. Si p\u00ebr lexim ashtu edhe p\u00ebr shkruar. Madje, \u00ebsht\u00eb e mundur t\u00eb krijoni nj\u00eb pasqyr\u00eb nga SSD e keshit.<\/p>\n<p>Me linjat e markuara, situata \u00ebsht\u00eb m\u00eb e komplikuar. Kjo \u00ebsht\u00eb ve\u00e7an\u00ebrisht e v\u00ebrtet\u00eb p\u00ebr IBM. \u00c7el\u00ebsat dhe SSD p\u00ebr CacheCade duhen bler\u00eb nga IBM me \u00e7mime shum\u00eb t\u00eb larta, prandaj \u00ebsht\u00eb m\u00eb e thjesht\u00eb t\u00eb k\u00ebmbesh kontrolluesin me LSI dhe t\u00eb blesh nj\u00eb \u00e7el\u00ebs harduari m\u00eb t\u00eb lira. \u00c7el\u00ebsat softuerik\u00eb kushtojn\u00eb duksh\u00ebm m\u00eb shum\u00eb se \u00e7el\u00ebsat harduari.<\/p>\n<h3>Kontrolluesit RAID Adaptec<\/h3>\n<p>\nKontrolluesit Adaptec kan\u00eb teknologjin\u00eb MaxCache, e cila gjithashtu lejon p\u00ebrdorimin e SSD si cache. Na interesojn\u00eb versionet e kontrolluesve q\u00eb p\u00ebrfundojn\u00eb me letr\u00ebn Q.<\/p>\n<p>Kontrolluesit Q jan\u00eb n\u00eb gjendje t\u00eb p\u00ebrdorin pothuajse \u00e7do SSD, dhe jo vet\u00ebm SSD-t\u00eb e furnizuara nga Adaptec.<\/p>\n<ul>\n<li>Deri n\u00eb 5xxx, t\u00eb gjith\u00eb kontrolluesit kan\u00eb mb\u00ebshtetje p\u00ebr Hybrid RAID. Q\u00ebllimi i k\u00ebsaj teknologjie \u00ebsht\u00eb q\u00eb lexohet gjithmon\u00eb nga SSD, kur ka nj\u00eb pasqyr\u00eb q\u00eb \u00ebsht\u00eb nj\u00eb nga disqet n\u00eb t\u00eb cilin \u00ebsht\u00eb SSD.<\/li>\n<li>5xxxQ, p\u00ebr shembull 5805ZQ. K\u00ebta kontrollues mb\u00ebshtesin MaxCache 1.0. Vet\u00ebm caching t\u00eb leximit.<\/li>\n<li>6xxQ, p\u00ebr shembull 6805Q. MaxCache 2.0. Caching i leximit dhe shkrimit.<\/li>\n<li>7xxQ, p\u00ebr shembull 7805Q. MaxCache 3.0. Caching i leximit dhe shkrimit.<\/li>\n<li>8xxQ p\u00ebr q\u00ebllime p\u00ebrmir\u00ebsimi, pothuajse nuk ka kuptim t\u00eb p\u00ebrdoret p\u00ebr shkak t\u00eb \u00e7mimeve t\u00eb larta.<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/pc-administrator\/blog\/319214\/\">Nj\u00eb artikull mbi caching-un n\u00eb SSD n\u00eb Habra (kontrolluesit dhe OS).<\/a><\/noindex><\/p>\n<h3>Teknologjit\u00eb softuerike t\u00eb caching-ut n\u00eb SSD<\/h3>\n<p>\nNuk do t\u00eb flas p\u00ebr k\u00ebto teknologji. Jan\u00eb mb\u00ebshtetur n\u00eb pothuajse \u00e7do sistem operativ tani. M\u00eb kujtohet se kur p\u00ebrdoret btrfs, ajo automatikisht drejton k\u00ebrkesat p\u00ebr lexim n\u00eb pajisjen me pritjen m\u00eb t\u00eb shkurt\u00ebr \u2014 SSD.<\/p>\n<h2>SATA III SSD n\u00eb nd\u00ebrfaqen SATA II<\/h2>\n<p>\nP\u00ebr shkak se nuk ka gjithmon\u00eb mund\u00ebsi dhe para p\u00ebr nj\u00eb kontrollues t\u00eb ri, lind pyetja se sa mir\u00eb punojn\u00eb SATA III SSD n\u00eb nd\u00ebrfaqen e vjet\u00ebr SATA II.<\/p>\n<p>Do t\u00eb b\u00ebjm\u00eb nj\u00eb test t\u00eb vog\u00ebl. Si subjekt do t\u00eb kemi SATA III SSD Intel S3710 me kapacitet 400GB.<\/p>\n<p>Lexim i rastit, iops<br \/>\nLatenc\u00eb mesatare e leximit, mS<br \/>\nShkrim i rastit, iops<br \/>\nLatenc\u00eb mesatare e shkruarit, mS<br \/>\nLexim linear, MB\/s<br \/>\nShkrim linear, MB\/s<\/p>\n<p>Komandat e p\u00ebrdorura p\u00ebr testimin e shpejt\u00ebsis\u00eb<br \/>\n21241<br \/>\n2<br \/>\n13580<br \/>\n4<br \/>\n282<br \/>\n235<\/p>\n<p>SATA III<br \/>\n68073<br \/>\n0.468<br \/>\n61392<br \/>\n0.52<br \/>\n514<br \/>\n462<\/p>\n<p>\n<b class=\"spoiler_title\">Komandat e p\u00ebrdorura p\u00ebr testimin e shpejt\u00ebsis\u00eb<\/b><\/p>\n<pre><code class=\"bash\">fio --name LinRead --eta-newline=5s --filename=\/dev\/sda --rw=read --size=500m --io_size=10g --blocksize=1024k --ioengine=libaio --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting \n\nfio --name LinWrite --eta-newline=5s --filename=\/dev\/sda --rw=write --size=500m --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting\n\nfio --name RandRead --eta-newline=5s --filename=\/dev\/sda --rw=randread --size=500m --io_size=10g --blocksize=4k --ioengine=libaio --iodepth=32 --direct=1 --numjobs=4 --runtime=60 --group_reporting\n\nfio --name RandWrite --eta-newline=5s --filename=\/dev\/sda --rw=randwrite --size=500m --io_size=10g --blocksize=4k --ioengine=libaio --iodepth=32 --direct=1 --numjobs=4 --runtime=60 --group_reporting\n<\/code><\/pre>\n<p>Si\u00e7 duket, ka nj\u00eb diferenc\u00eb t\u00eb madhe n\u00eb shpejt\u00ebsin\u00eb lineare, IOPS, dhe vonesat, k\u00ebshtu q\u00eb ka kuptim t\u00eb p\u00ebrdoret vet\u00ebm interfaci SATA III, dhe n\u00ebse nuk e keni at\u00eb, duhet t\u00eb instaloni nj\u00eb kontrollues.<\/p>\n<p>P\u00ebr drejt\u00ebsi, do t\u00eb them se n\u00eb <noindex><a rel=\"nofollow\" href=\"http:\/\/www.thg.ru\/storage\/ustanovka_ssd_v_sistemu_s_sata_3_gbits_test\/ustanovka_ssd_v_sistemu_s_sata_3_gbits_test-01.html\">eksperimentet e tjera<\/a><\/noindex> diferenca n\u00eb shpejt\u00ebsin\u00eb e leximit dhe shkrimit t\u00eb rastit ishte e pap\u00ebrfillshme. Ndoshta, kjo diferenc\u00eb e madhe n\u00eb IOPS midis SATA II dhe SATA III ka ndodhur sepse kisha nj\u00eb kontrollues SATA II t\u00eb d\u00ebshtuar ose nj\u00eb driver me disa gabime.<\/p>\n<p>Megjithat\u00eb, \u00ebsht\u00eb nj\u00eb fakt q\u00eb duhet t\u00eb kontrolloni shpejt\u00ebsin\u00eb e SATA II \u2014 ndoshta keni nj\u00eb kontrollues t\u00eb ngadalsh\u00ebm. N\u00eb k\u00ebt\u00eb rast, kalimi te kontrolluesi SATA III \u00ebsht\u00eb i domosdosh\u00ebm.<\/p>\n<h2>PCIe SSD n\u00eb shinar\u00eb PCI-e 2.0 ose 1.0<\/h2>\n<p>\nSi\u00e7 dihet, SSD-t\u00eb m\u00eb t\u00eb shpejta jan\u00eb PCI-e NVMe, t\u00eb cilat nuk jan\u00eb t\u00eb kufizuara nga protokollet SAS ose SATA.<\/p>\n<p>Megjithat\u00eb, kur instaloni SSD-t\u00eb moderne PCI-e, duhet t\u00eb merrni parasysh se shumica e tyre p\u00ebrdorin vet\u00ebm 4 linja PCI-e, zakonisht PCI-e 3.0 ose 3.1.<\/p>\n<p>Tani le t\u00eb shikojm\u00eb tabel\u00ebn e shpejt\u00ebsive t\u00eb shinarit PCI-e.<\/p>\n<p>Kapaciteti i transferimit t\u00eb PCI Express, GB\/s<\/p>\n<p>Viti <br \/>\n i l\u00ebshimit<\/p>\n<p>Versioni<br \/>\nPCI Express<\/p>\n<p>Kodimi<\/p>\n<p>Shpejt\u00ebsia<br \/>\ntransferimi<\/p>\n<p>Kapaciteti i transferimit n\u00eb x linja<\/p>\n<p>\u00d74<br \/>\n\u00d78<br \/>\n\u00d716<\/p>\n<p>2002<br \/>\n1.0<br \/>\n8b\/10b<\/p>\n<p>0.50 GB\/s<br \/>\n1.0 GB\/s<br \/>\n2.0 GB\/s<br \/>\n4.0 GB\/s<\/p>\n<p>2007<br \/>\n2.0<br \/>\n8b\/10b<\/p>\n<p>1.0 GB\/s<br \/>\n2.0 GB\/s<br \/>\n4.0 GB\/s<br \/>\n8.0 GB\/s<\/p>\n<p>2010<br \/>\n3.0<br \/>\n128b\/130b<\/p>\n<p>1.97 GB\/s<br \/>\n3.94 GB\/s<br \/>\n7.88 GB\/s<br \/>\n15.8 GB\/s<\/p>\n<p>Kur instalohet nj\u00eb PCI 3.0 x4 SSD n\u00eb autobusin PCI-e 2.0, ai do t\u00eb funksionoj\u00eb me t\u00eb nj\u00ebjtin num\u00ebr linjash, por n\u00eb nj\u00eb shpejt\u00ebsi shum\u00eb m\u00eb t\u00eb ul\u00ebt. Ka nj\u00eb problem q\u00eb shpejt\u00ebsit\u00eb lineare t\u00eb SSD-ve moderne PCI-e e tejkalojn\u00eb kapacitetin e autobusin PCI-e 2.0 dhe madje PCI-e 1.0.<\/p>\n<h3>M.2 SSD dhe adattatori PCI-e<\/h3>\n<p>Ka disa mund\u00ebsi t\u00eb mira p\u00ebr rikonstruktim kur blejm\u00eb nj\u00eb adattator p\u00ebr 10 dollar\u00eb dhe instalojm\u00eb nj\u00eb M.2 SSD n\u00eb server, por p\u00ebrs\u00ebri p\u00ebr SSD-t\u00eb e mira do t\u00eb ket\u00eb ulje t\u00eb shpejt\u00ebsive (sidomos n\u00eb PCI-e 1.0), dhe M.2 SSD nuk e b\u00ebjn\u00eb gjithmon\u00eb mir\u00eb p\u00ebr ngarkesat e server\u00ebve: q\u00ebndrueshm\u00ebria e lart\u00eb, mbrojtja nga energjia dhe stabiliteti i karakteristikave t\u00eb shpejt\u00ebsis\u00eb p\u00ebr shkak t\u00eb mbushjes s\u00eb SLC-cache n\u00eb modelet e lira.<\/p>\n<p>Pra, ky metod\u00eb mund t\u00eb jet\u00eb e p\u00ebrshtatshme vet\u00ebm p\u00ebr nj\u00eb server me autobus PCI-e 2.0 dhe pun\u00eb q\u00eb nuk \u00ebsht\u00eb kritike.<\/p>\n<h3>PCI-E 2.0 x8 SSD<\/h3>\n<p>\nP\u00ebrmir\u00ebsimi m\u00eb ekonomik \u00ebsht\u00eb p\u00ebrdorimi i PCI-E 2.0 x8 SSD p\u00ebr serverat me autobus PCI-e 1.0 (kapaciteti deri n\u00eb 2 GB\/sek) dhe PCI-e 2.0 (deri n\u00eb 4 GB\/sek).<\/p>\n<p>SSD t\u00eb till\u00eb serveri tani mund t\u00eb blihen shum\u00eb lir\u00eb n\u00eb tregje t\u00eb ndryshme, si dhe n\u00eb ankande online, p\u00ebrfshir\u00eb edhe n\u00eb Rusi.<\/p>\n<p>Kam p\u00ebrgatita nj\u00eb tabel\u00eb me SSD q\u00eb jan\u00eb moralsh\u00ebm t\u00eb vjet\u00ebruar, por q\u00eb mund t\u00eb shpejtojn\u00eb shum\u00eb mir\u00eb serverin tuaj t\u00eb vjet\u00ebr. N\u00eb fund t\u00eb tabel\u00ebs kam shtuar disa SSD me nd\u00ebrfaqen PCI-E 3.0 x8. Ndoshta do t\u00eb keni fat dhe do t'i gjej\u00eb me nj\u00eb \u00e7mim t\u00eb arsyesh\u00ebm.<\/p>\n<p>Emri<br \/>\nTB<br \/>\nPBW<br \/>\nPCI-E<br \/>\n4k read iops, K<br \/>\n4k write iops, K<br \/>\nread, MB\/s<br \/>\nwrite, MB\/s<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusionio_iodrive2_duo_mlc_application_accelerator_review\">Fusion-io ioDrive II DUO MLC<\/a><\/noindex><br \/>\n2.4<br \/>\n32.5<br \/>\n2.0 x8<br \/>\n480<br \/>\n490<br \/>\n3000<br \/>\n2500<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sandisk.com\/content\/dam\/sandisk-main\/en_us\/assets\/resources\/enterprise\/data-sheets\/fusion-iomemory-sx350-pcie-application-accelerators-datasheet.pdf\">SANDISK FUSION IOMEMORY SX350-1300<\/a><\/noindex><br \/>\n1.3<br \/>\n4<br \/>\n2.0 x8<br \/>\n225<br \/>\n345<br \/>\n2800<br \/>\n1300<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusion_iomemory_px600_review\">SANDISK FUSION IOMEMORY PX600-1300<\/a><\/noindex><br \/>\n1.3<br \/>\n16<br \/>\n2.0 x8<br \/>\n235<br \/>\n375<br \/>\n2700<br \/>\n1700<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sandisk.com\/content\/dam\/sandisk-main\/en_us\/assets\/resources\/enterprise\/data-sheets\/fusion-iomemory-sx350-pcie-application-accelerators-datasheet.pdf\">SANDISK FUSION IOMEMORY SX350-1600<\/a><\/noindex><br \/>\n1.6<br \/>\n5.5<br \/>\n2.0 x8<br \/>\n270<br \/>\n375<br \/>\n2800<br \/>\n1700<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusion_iomemory_sx300_review\">SanDisk Fusion ioMemory SX300-3200<\/a><\/noindex><br \/>\n3.2<br \/>\n11<br \/>\n2.0 x8<br \/>\n345<br \/>\n385<br \/>\n2700<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sandisk.com\/content\/dam\/sandisk-main\/en_us\/assets\/resources\/enterprise\/data-sheets\/fusion-iomemory-sx350-pcie-application-accelerators-datasheet.pdf\">SanDisk Fusion ioMemory SX350-3200<\/a><\/noindex><br \/>\n3.2<br \/>\n11<br \/>\n2.0 x8<br \/>\n345<br \/>\n385<br \/>\n2800<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusion_iomemory_px600_review\">SANDISK FUSION IOMEMORY PX600<\/a><\/noindex><br \/>\n2.6<br \/>\n32<br \/>\n2.0 x8<br \/>\n350<br \/>\n385<br \/>\n2700<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/support.huawei.com\/enterprise\/en\/doc\/EDOC1000052593?section=j005\">Huawei ES3000 V2<\/a><\/noindex><br \/>\n1,6<br \/>\n8,76<br \/>\n2.0 x8<br \/>\n395<br \/>\n270<br \/>\n1550<br \/>\n1100<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/support.huawei.com\/enterprise\/en\/doc\/EDOC1000052593?section=j005\">Huawei ES3000 V2<\/a><\/noindex><br \/>\n3,2<br \/>\n17,52<br \/>\n2.0 x8<br \/>\n770<br \/>\n230<br \/>\n3100<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.emc.com\/collateral\/data-sheet\/h11411-xtremsf-ds.pdf\">EMC XtremSF<\/a><\/noindex><br \/>\n2,2<br \/>\n\u00a0<br \/>\n2.0 x8<br \/>\n340<br \/>\n110<br \/>\n2700<br \/>\n1000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/virident_flashmax_ii_mlc_application_accelerator_review_22tb\">HGST Virident FlashMAX II<\/a><\/noindex><br \/>\n2,2<br \/>\n33<br \/>\n2.0 x8<br \/>\n350<br \/>\n103<br \/>\n2700<br \/>\n1000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/documents.westerndigital.com\/\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/product\/hgst\/general-docs\/data-sheet-flashmax-pcie.pdf\">HGST Virident SSD FlashMAX II<\/a><\/noindex><br \/>\n4,8<br \/>\n10.1<br \/>\n2.0 x8<br \/>\n269<br \/>\n51<br \/>\n2600<br \/>\n900<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/documents.westerndigital.com\/\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/product\/hgst\/general-docs\/data-sheet-flashmax-pcie.pdf\">HGST Virident FlashMAX III<\/a><\/noindex><br \/>\n2,2<br \/>\n7.1<br \/>\n2.0 x8<br \/>\n531<br \/>\n59<br \/>\n2700<br \/>\n1400<\/p>\n<p>Dell Micron P420M<br \/>\n1.4<br \/>\n9.2<br \/>\n2.0 x8<br \/>\n750<br \/>\n95<br \/>\n3300<br \/>\n630<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/micron_p420m_enterprise_pcie_ssd_review\">Micron P420M<\/a><\/noindex><br \/>\n1.4<br \/>\n9.2<br \/>\n2.0 x8<br \/>\n750<br \/>\n95<br \/>\n3300<br \/>\n630<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.anandtech.com\/show\/10890\/hgst-ultrastar-sn200-accelerator-768-tb-capacity-61-gbs-read-speed-12m-iops\">HGST SN260<\/a><\/noindex><br \/>\n1.6<br \/>\n25.10<br \/>\n3.0 x8<br \/>\n1200<br \/>\n200<br \/>\n6170<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.anandtech.com\/show\/10890\/hgst-ultrastar-sn200-accelerator-768-tb-capacity-61-gbs-read-speed-12m-iops\">HGST SN260<\/a><\/noindex><br \/>\n3,2<br \/>\n17,52<br \/>\n3.0 x8<br \/>\n1200<br \/>\n200<br \/>\n6170<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/ark.intel.com\/content\/www\/ru\/ru\/ark\/products\/88731\/intel-ssd-dc-p3608-series-1-6tb-1-2-height-pcie-3-0-x8-20nm-mlc.html\">Intel P3608<\/a><\/noindex><br \/>\n3,2<br \/>\n17,5<br \/>\n3.0 x8<br \/>\n850<br \/>\n80<br \/>\n4500<br \/>\n2600<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.kingston.com\/datasheets\/DCP1000_us.pdf\">Kingston DCP1000<\/a><\/noindex><br \/>\n3,2<br \/>\n2,78<br \/>\n3.0 x8<br \/>\n1000<br \/>\n180<br \/>\n6800<br \/>\n6000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E65386_01\/html\/E65387\/gokdw.html#scrolltoc\">Oracle F320<\/a><\/noindex><br \/>\n3.2<br \/>\n29<br \/>\n3.0 x8<br \/>\n750<br \/>\n120<br \/>\n5500<br \/>\n1800<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.samsung.com\/semiconductor\/global.semi.static\/PM1725_NVMe_PCIe_SSD_Samsung_2016-1.pdf\">Samsung PM1725<\/a><\/noindex><br \/>\n3.2<br \/>\n29<br \/>\n3.0 x8<br \/>\n1000<br \/>\n120<br \/>\n6000<br \/>\n2000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.samsung.com\/semiconductor\/ssd\/enterprise-ssd\/MZPLL3T2HMLS\/\">Samsung PM1725a<\/a><\/noindex><br \/>\n3.2<br \/>\n29<br \/>\n3.0 x8<br \/>\n1000<br \/>\n180<br \/>\n6200<br \/>\n2600<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.samsung.com\/semiconductor\/ssd\/enterprise-ssd\/MZPLL3T2HAJQ\/\">Samsung PM1725b<\/a><\/noindex><br \/>\n3.2<br \/>\n18<br \/>\n3.0 x8<br \/>\n980<br \/>\n180<br \/>\n6200<br \/>\n2600<\/p>\n<p>\n<img decoding=\"async\" alt=\"Upgrade e n\u00ebnsistemit disk t\u00eb serverit t\u00eb vjet\u00ebr me autobus PCIe 1.0 \u2014 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/369c72c6f028b915a199e85fc3de3819.jpg\" style=\"display:block;margin: 0 auto;\" \/>Nga k\u00ebto SSD, ve\u00e7mas jan\u00eb Fusion ioMemory. Drejtori shkencor <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Fusion-io\">Fusion<\/a><\/noindex> u <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%BE%D0%B7%D0%BD%D1%8F%D0%BA,_%D0%A1%D1%82%D0%B8%D0%B2\">Steve Wozniak<\/a><\/noindex>. M\u00eb von\u00eb, kjo kompani u ble p\u00ebr 1.2 miliard dollar\u00eb nga SanDisk. N\u00eb at\u00eb koh\u00eb, ata kishin nj\u00eb \u00e7mim fillestar prej $50,000 p\u00ebr cop\u00eb. Tani, mund t'i blini p\u00ebr disa qindra dollar\u00eb n\u00eb gjendje t\u00eb re p\u00ebr nj\u00eb disk me kapacitet prej 1TB e lart.<\/p>\n<p>N\u00ebse shikoni me kujdes tabel\u00ebn, do t\u00eb shihni se kan\u00eb nj\u00eb num\u00ebr t\u00eb shk\u00eblqyer IOPS n\u00eb shkrim, pothuajse t\u00eb barabart\u00eb me numrin e IOPS n\u00eb lexim. Duke marr\u00eb parasysh \u00e7mimin e tyre aktual, mendoj se k\u00ebto SSD meritojn\u00eb v\u00ebmendje. <\/p>\n<p>Megjithat\u00eb, ato kan\u00eb disa ve\u00e7ori:<\/p>\n<ol>\n<li>Ato nuk mund t\u00eb jen\u00eb bootable<\/li>\n<li>Nevojitet nj\u00eb driver p\u00ebr p\u00ebrdorim. Ka drivere p\u00ebr pothuajse \u00e7do gj\u00eb, por p\u00ebr versionet m\u00eb t\u00eb fundit t\u00eb Linux-it, do t'i duhet t'i kompilonni.<\/li>\n<li>Madh\u00ebsia optimale e sektorit \u00ebsht\u00eb 4096 byte. (512 gjithashtu mb\u00ebshtetet)<\/li>\n<li>Driveri n\u00eb skenarin m\u00eb t\u00eb keq mund t\u00eb konsumoj\u00eb nj\u00eb sasi t\u00eb madhe RAM-i (n\u00eb madh\u00ebsin\u00eb e sektorit 512 byte)<\/li>\n<li>Shpejt\u00ebsia e pun\u00ebs varet nga shpejt\u00ebsia e procesorit, prandaj \u00ebsht\u00eb m\u00eb mir\u00eb t\u00eb \u00e7aktivizoni teknologjit\u00eb p\u00ebr kursimin e energjis\u00eb. Kjo \u00ebsht\u00eb nj\u00eb mund\u00ebsi dhe nj\u00eb disavantazh, pasi nj\u00eb procesor i fuqish\u00ebm mund ta b\u00ebj\u00eb aparatin t\u00eb punoj\u00eb madje m\u00eb shpejt se sa \u00ebsht\u00eb e specifikuar n\u00eb standartet.<\/li>\n<li>Ka nevoj\u00eb p\u00ebr ftohje t\u00eb mir\u00eb. Kjo nuk duhet t\u00eb jet\u00eb nj\u00eb problem p\u00ebr server\u00ebt.<\/li>\n<li>Nuk rekomandohet p\u00ebr ESXi, pasi ESXi preferon disqet me sektor 512N, dhe kjo mund t\u00eb shkaktoj\u00eb nj\u00eb konsum t\u00eb madh t\u00eb memories nga driveri.<\/li>\n<li>Versionet e markuara t\u00eb k\u00ebtyre SSD-\u00ebve, zakonisht, nuk mb\u00ebshteten nga furnizuesit deri n\u00eb nivelin e drivereve m\u00eb t\u00eb fundit nga SanDisk (mars 2019)<\/li>\n<\/ol>\n<p>\nKam kryer teste t\u00eb Fusion ioMemory n\u00eb krahasim me nj\u00eb SSD modern server Intel P3700 PCI-E 3.0 x8 (i fundit \u00ebsht\u00eb rreth 4 her\u00eb m\u00eb i shtrenjt\u00eb se Fusion me kapacitet t\u00eb ngjash\u00ebm). Nj\u00ebkoh\u00ebsisht mund t\u00eb shikoni sa shum\u00eb zvog\u00eblohet shpejt\u00ebsia p\u00ebr shkak t\u00eb busit x4.<\/p>\n<p>Fusion PX600 1.3TB PCI-E 2.0 x8<br \/>\nIntel P3700 1.6TB PCI-E 3.0 x4<\/p>\n<p><img decoding=\"async\" alt=\"Upgrade e n\u00ebnsistemit disk t\u00eb serverit t\u00eb vjet\u00ebr me autobus PCIe 1.0 \u2014 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/7157ec6e43cac87fc0cdf5dd2887cfac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Upgrade e n\u00ebnsistemit disk t\u00eb serverit t\u00eb vjet\u00ebr me autobus PCIe 1.0 \u2014 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/f5db5f37b300332bd787d5b2fe57b67e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\nPo, shpejt\u00ebsia lineare e leximit me siguri po zvog\u00eblohet te Intel P3700. Sipas specifikimeve, duhet t\u00eb jet\u00eb 2800 MB\/s, nd\u00ebrsa ne kemi 1469 MB\/s. Sidoqoft\u00eb, mund t\u00eb thuhet se me autobusin PCI-e 2.0, mund t\u00eb p\u00ebrdoren SSD-t\u00eb serverike PCI-E 3.0 x4, n\u00ebse arrini t\u2019i merrni me nj\u00eb \u00e7mim t\u00eb arsyesh\u00ebm.<\/p>\n<h3>P\u00ebrfundimet<\/h3>\n<p>\nSistemin e diskut t\u00eb serverit t\u00eb vjet\u00ebr me autobus PCI-E 1.0 ose 2.0 mund ta p\u00ebrmir\u00ebsoni duke p\u00ebrdorur SSD-t\u00eb q\u00eb jan\u00eb t\u00eb afta t\u00eb shfryt\u00ebzojn\u00eb 8 linja PCI-E, t\u00eb cilat ofrojn\u00eb kapacitet deri n\u00eb 4GB\/s (PCI-E 2.0) ose 2GB\/s (PCI-E 1.0). M\u00eb ekonomike \u00ebsht\u00eb ta b\u00ebni k\u00ebt\u00eb duke p\u00ebrdorur SSD-t\u00eb PCI-E 2.0 q\u00eb jan\u00eb tashm\u00eb moralisht t\u00eb vjetra.<\/p>\n<p>Dhe pajisjet kompromisi jan\u00eb gjithashtu t\u00eb thjeshta p\u00ebr t\u2019u realizuar, t\u00eb lidhura me blerjen e \u00e7el\u00ebsit CacheCade p\u00ebr kontrollet LSI ose z\u00ebvend\u00ebsimin e kontrollorit Adaptec me versionin Q.<\/p>\n<p>Nj\u00eb m\u00ebnyr\u00eb krejt e zakonshme \u00ebsht\u00eb t\u00eb blini nj\u00eb kontrollor SATA III (RAID) q\u00eb SSD-t\u00eb t\u00eb funksionojn\u00eb me shpejt\u00ebsi maksimale dhe t\u00eb menaxhojn\u00eb gjith\u00e7ka q\u00eb k\u00ebrkon shpejt\u00ebsi.<br \/>\n<br \/>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/454222\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0447\u0435\u043c\u0443 \u0442\u0435\u043c\u043e\u0439 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\u044d\u0442\u043e\u043c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u041f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440(\u044b) \u0438\u043b\u0438 \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043e\u0431\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 \u043d\u0430 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0414\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0447\u0442\u043e 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