{"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\/cs\/blog\/administrirovanie\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0","title":{"rendered":"Upgrade diskov\u00e9ho subsyst\u00e9mu star\u00e9ho serveru z PCIe 1.0 na 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Upgrade diskov\u00e9ho subsyst\u00e9mu star\u00e9ho serveru z PCIe 1.0 na 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/68025340a72b1acac62371764f328712.jpg\" style=\"display:block;margin: 0 auto;\" \/><b class=\"spoiler_title\">Pro\u010d bylo vybr\u00e1no t\u00e9ma tohoto \u010dl\u00e1nku \u2014 upgrade diskov\u00e9ho subsyst\u00e9mu<\/b>Je jasn\u00e9, \u017ee v prvn\u00ed \u0159ad\u011b je t\u0159eba obvykle:<\/p>\n<ol>\n<li>Zv\u00fd\u0161it opera\u010dn\u00ed pam\u011b\u0165. To je natolik z\u0159ejm\u00fd krok, \u017ee jsem to ani nepova\u017eoval za nutn\u00e9 zmi\u0148ovat v hlavn\u00edm \u010dl\u00e1nku<\/li>\n<li>Nainstalovat dal\u0161\u00ed procesor(y) nebo nahradit oba procesory maxim\u00e1ln\u011b v\u00fdkonn\u00fdmi verzemi podporovan\u00fdmi paticemi serveru.<\/li>\n<\/ol>\n<p>\nPro star\u00e9 servery lze pam\u011b\u0165 a procesory obvykle nal\u00e9zt za hubi\u010dku.<\/p>\n<p>V ur\u010dit\u00e9m okam\u017eiku se p\u0159ed ka\u017ed\u00fdm majitelem vlastn\u00edho serveru objev\u00ed ot\u00e1zka \u2014 upgrade nebo nov\u00fd server.<\/p>\n<p>Jeliko\u017e cena nov\u00e9ho serveru m\u016f\u017ee nyn\u00ed p\u0159es\u00e1hnout miliony korun, mnoho lid\u00ed vol\u00ed cestu upgradu.<\/p>\n<p>Pro \u00fasp\u011b\u0161n\u00fd upgrade je velmi d\u016fle\u017eit\u00e9 vyu\u017e\u00edvat kompromisy, abychom za zanedbatelnou cenu (v porovn\u00e1n\u00ed s cenou nov\u00e9ho serveru) z\u00edskali zna\u010dn\u00fd n\u00e1r\u016fst v\u00fdkonnosti.<\/p>\n<p>V \u010dl\u00e1nku je uveden seznam serverov\u00fdch SSD PCI-E 2.0 x8, kter\u00e9 nyn\u00ed v\u00fdrazn\u011b zlevnily, a jsou uvedeny RAID kontrol\u00e9ry s podporou SSD caching a testovan\u00fd SATA III SSD na rozhran\u00ed SATA II.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nNejz\u0159ejm\u011bj\u0161\u00ed zp\u016fsob upgradu diskov\u00e9ho subsyst\u00e9mu je p\u0159echod z HDD na SSD. To plat\u00ed jak pro notebooky, tak pro servery. Na serverech je snad jen rozd\u00edl v tom, \u017ee SSD lze snadno sestavit do RAID.<\/p>\n<p>Samoz\u0159ejm\u011b existuj\u00ed i nuance spojen\u00e9 s t\u00edm, \u017ee na star\u00e9m serveru nemus\u00ed b\u00fdt porty SATA III a v takov\u00e9m p\u0159\u00edpad\u011b bude nutn\u00e9 vym\u011bnit nebo nainstalovat odpov\u00eddaj\u00edc\u00ed kontrol\u00e9r.<\/p>\n<p>Existuj\u00ed samoz\u0159ejm\u011b tak\u00e9 mezistup\u0148ov\u00e9 metody.<\/p>\n<h2>Caching na SSD.<\/h2>\n<p>\nTento zp\u016fsob je celkov\u011b docela vhodn\u00fd pro datab\u00e1ze, 1C, jak\u00fdkoli n\u00e1hodn\u00fd p\u0159\u00edstup. Rychlost se skute\u010dn\u011b zvy\u0161uje. Pro obrovsk\u00e9 soubory, videodohled je tento zp\u016fsob bezcenn\u00fd.<\/p>\n<h3>RAID kontrol\u00e9ry LSI (IBM, DELL, CISCO, Fujtsu)<\/h3>\n<p>\nOd s\u00e9rie 92xx m\u00e1 LSI technologii CacheCade 2.0, kter\u00e1 umo\u017e\u0148uje pou\u017eit\u00ed t\u00e9m\u011b\u0159 jak\u00fdchkoli SATA SSD jako cache RAID pole. Jak pro \u010dten\u00ed, tak pro z\u00e1pis. A dokonce i vytv\u00e1\u0159en\u00ed zrcadla z cache SSD.<\/p>\n<p>S brandovan\u00fdmi \u0159adi\u010di je to slo\u017eit\u011bj\u0161\u00ed. Toto plat\u00ed zejm\u00e9na pro IBM. Kl\u00ed\u010de a SSD pro CacheCade je t\u0159eba zakoupit od IBM za nesmysln\u00e9 ceny, proto je snaz\u0161\u00ed vym\u011bnit \u0159adi\u010d za LSI a koupit hardwarov\u00fd kl\u00ed\u010d za ni\u017e\u0161\u00ed cenu. Softwarov\u00e9 kl\u00ed\u010de jsou mnohem dra\u017e\u0161\u00ed ne\u017e hardwarov\u00e9.<\/p>\n<h3>RAID \u0159adi\u010de Adaptec<\/h3>\n<p>\nNa \u0159adi\u010d\u00edch Adaptec je technologie MaxCache, kter\u00e1 tak\u00e9 umo\u017e\u0148uje pou\u017e\u00edvat SSD jako cache. Zaj\u00edm\u00e1me se o verze \u0159adi\u010d\u016f, kter\u00e9 kon\u010d\u00ed p\u00edsmenem Q.<\/p>\n<p>Q-\u0159adi\u010de dok\u00e1\u017eou pou\u017e\u00edt t\u00e9m\u011b\u0159 jak\u00fdkoli SSD, nejen SSD dod\u00e1van\u00e9 firmou Adaptec.<\/p>\n<ul>\n<li>Od 5xxx maj\u00ed v\u0161echny \u0159adi\u010de podporu Hybrid RAID. Podstatou t\u00e9to technologie je, \u017ee se v\u017edy \u010dte z SSD, kdy\u017e existuje zrcadlo jednoho z disk\u016f, ve kter\u00e9m je SSD.<\/li>\n<li>5xxxQ, nap\u0159\u00edklad 5805ZQ. Tyto \u0159adi\u010de podporuj\u00ed MaxCache 1.0. Pouze \u010dten\u00ed z cache.<\/li>\n<li>6xxQ, nap\u0159\u00edklad 6805Q. MaxCache 2.0. \u010cten\u00ed a z\u00e1pis do cache.<\/li>\n<li>7xxQ, nap\u0159\u00edklad 7805Q. MaxCache 3.0. \u010cten\u00ed a z\u00e1pis do cache.<\/li>\n<li>8xxQ pro upgradaci t\u00e9m\u011b\u0159 nem\u00e1 smysl kv\u016fli vysok\u00fdm cen\u00e1m.<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/pc-administrator\/blog\/319214\/\">\u010cl\u00e1nek o ukl\u00e1d\u00e1n\u00ed do cache na SSD na Habr (\u0159adi\u010de a OS).<\/a><\/noindex><\/p>\n<h3>Programov\u00e9 technologie ukl\u00e1d\u00e1n\u00ed do cache na SSD<\/h3>\n<p>\nT\u011bmito technologiemi se nebudu zab\u00fdvat. Prakticky v jak\u00e9mkoli OS jsou nyn\u00ed podporov\u00e1ny. Zapamatoval jsem si, \u017ee p\u0159i pou\u017eit\u00ed btrfs automaticky p\u0159esm\u011brov\u00e1v\u00e1 po\u017eadavky na \u010dten\u00ed na za\u0159\u00edzen\u00ed s nejkrat\u0161\u00ed frontou \u2014 SSD.<\/p>\n<h2>SSD SATA III na rozhran\u00ed SATA II<\/h2>\n<p>\nProto\u017ee ne v\u017edy m\u00e1me mo\u017enost nebo pen\u00edze na nov\u00fd \u0159adi\u010d, vyvst\u00e1v\u00e1 ot\u00e1zka, jak dob\u0159e funguj\u00ed SSD SATA III na zastaral\u00e9m rozhran\u00ed SATA II.<\/p>\n<p>Provedeme mal\u00fd test. Jako pokusn\u00e9ho kr\u00e1l\u00edka m\u00e1me SSD SATA III Intel S3710 o kapacit\u011b 400 GB.<\/p>\n<p>N\u00e1hodn\u00e9 \u010dten\u00ed, IOPS<br \/>\nPr\u016fm\u011brn\u00e1 latence \u010dten\u00ed, ms<br \/>\nN\u00e1hodn\u00fd z\u00e1pis, IOPS<br \/>\nPr\u016fm\u011brn\u00e1 latence z\u00e1pisu, ms<br \/>\nLine\u00e1rn\u00ed \u010dten\u00ed, MB\/s<br \/>\nLine\u00e1rn\u00ed z\u00e1pis, MB\/s<\/p>\n<p>SATA II<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\">P\u0159\u00edkazy pou\u017e\u00edvan\u00e9 pro testov\u00e1n\u00ed rychlosti<\/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>Jak je vid\u011bt, rozd\u00edl v liniov\u00e9 rychlosti, IOPS a latenc\u00edch je zna\u010dn\u00fd, proto m\u00e1 smysl pou\u017e\u00edvat pouze rozhran\u00ed SATA III, a pokud to nen\u00ed mo\u017en\u00e9, nainstalovat \u0159adi\u010d.<\/p>\n<p>Spravedliv\u011b mus\u00edm \u0159\u00edci, \u017ee co <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\">dal\u0161\u00ed pokusy<\/a><\/noindex> rozd\u00edl ve rychlosti n\u00e1hodn\u00e9ho \u010dten\u00ed a z\u00e1pisu byl nev\u00fdznamn\u00fd. Mo\u017en\u00e1, \u017ee tak velk\u00fd rozd\u00edl v IOPS mezi SATA II a SATA III vznikl, proto\u017ee jsem m\u011bl n\u011bjak\u00fd extr\u00e9mn\u011b slab\u00fd \u0159adi\u010d SATA II nebo ovlada\u010d s n\u011bjak\u00fdmi chybami.<\/p>\n<p>Nicm\u00e9n\u011b pravda je takov\u00e1, \u017ee je t\u0159eba zkontrolovat rychlost SATA II \u2014 co kdy\u017e m\u00e1te stejn\u011b pomal\u00fd \u0159adi\u010d. V takov\u00e9m p\u0159\u00edpad\u011b je p\u0159echod na \u0159adi\u010d SATA III nezbytn\u00fd.<\/p>\n<h2>PCIe SSD na sb\u011brnici PCI-e 2.0 nebo 1.0<\/h2>\n<p>\nJak je zn\u00e1mo, nejrychlej\u0161\u00ed SSD jsou PCI-e NVMe, kter\u00e9 nejsou omezov\u00e1ny protokoly SAS nebo SATA.<\/p>\n<p>P\u0159i instalaci modern\u00edch PCI-e SSD je v\u0161ak t\u0159eba br\u00e1t v \u00favahu fakt, \u017ee v\u011bt\u0161ina z nich vyu\u017e\u00edv\u00e1 pouze 4 linky PCI-e, obvykle PCI-e 3.0 nebo 3.1.<\/p>\n<p>A nyn\u00ed se pod\u00edvejme na tabulku rychlost\u00ed sb\u011brnice PCI-e.<\/p>\n<p>Propustnost PCI Express, GB\/s<\/p>\n<p>Rok <br \/>\n v\u00fdrobce<\/p>\n<p>Verze<br \/>\nPCI Express<\/p>\n<p>K\u00f3dov\u00e1n\u00ed<\/p>\n<p>Rychlost<br \/>\np\u0159ed\u00e1v\u00e1n\u00ed<\/p>\n<p>Propustnost na x linek<\/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>P\u0159i instalaci PCI 3.0 x4 SSD na sb\u011brnici PCI-e 2.0 bude fungovat na stejn\u00e9m po\u010dtu linek, ale p\u0159i podstatn\u011b ni\u017e\u0161\u00ed rychlosti. Probl\u00e9m je v tom, \u017ee liniov\u00e9 rychlosti modern\u00edch PCI-e SSD p\u0159ekra\u010duj\u00ed propustnost sb\u011brnice PCI-e 2.0 a t\u00edm sp\u00ed\u0161e PCI-e 1.0.<\/p>\n<h3>M.2 SSD a PCI-e adapt\u00e9r<\/h3>\n<p>Existuj\u00ed slu\u0161n\u00e9 mo\u017enosti upgradu, kdy si za 10 dolar\u016f koup\u00edme adapt\u00e9r a um\u00edst\u00edme M.2 SSD do serveru, ale op\u011bt pro dobr\u00e9 SSD dojde k omezen\u00ed rychlost\u00ed (zejm\u00e9na na PCI-e 1.0), a M.2 SSD ne v\u017edy spl\u0148uj\u00ed po\u017eadavky pro serverov\u00e9 zat\u00ed\u017een\u00ed: vysok\u00e1 odolnost, ochrana proti v\u00fdpadk\u016fm nap\u00e1jen\u00ed a stabilita rychlostn\u00edch parametr\u016f kv\u016fli zapln\u011bn\u00ed SLC cache u levn\u00fdch model\u016f.<\/p>\n<p>Tento zp\u016fsob m\u016f\u017ee b\u00fdt vhodn\u00fd pouze pro servery s sb\u011brnic\u00ed PCI-e 2.0 a nezat\u00ed\u017een\u00e9 nekritick\u00fdmi \u00fakoly.<\/p>\n<h3>PCI-E 2.0 x8 SSD<\/h3>\n<p>\nNejrozumn\u011bj\u0161\u00ed ekonomick\u00fd upgrade \u2014 pou\u017eit\u00ed PCI-E 2.0 x8 SSD pro servery se sb\u011brnic\u00ed PCI-e 1.0 (propustnost a\u017e 2 GB\/s) a PCI-e 2.0 (a\u017e 4 GB\/s).<\/p>\n<p>Takov\u00e9 serverov\u00e9 SSD lze nyn\u00ed po\u0159\u00eddit relativn\u011b levn\u011b jak na r\u016fzn\u00fdch tr\u017ei\u0161t\u00edch, tak na internetov\u00fdch aukc\u00edch, v\u010detn\u011b Ruska.<\/p>\n<p>Sestavil jsem tabulku z mor\u00e1ln\u011b zastaral\u00fdch SSD, kter\u00e9 skv\u011ble zrychl\u00ed v\u00e1\u0161 star\u00fd server. Na konec tabulky jsem p\u0159idal n\u011bkolik SSD s rozhran\u00edm PCI-E 3.0 x8. T\u0159eba budete m\u00edt \u0161t\u011bst\u00ed a koup\u00edte je za rozumnou cenu.<\/p>\n<p>N\u00e1zev<br \/>\nTB<br \/>\nPBW<br \/>\nPCI-E<br \/>\n4k \u010dten\u00ed iops, K<br \/>\n4k z\u00e1pis iops, K<br \/>\n\u010dten\u00ed, MB\/s<br \/>\nz\u00e1pis, 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 diskov\u00e9ho subsyst\u00e9mu star\u00e9ho serveru z PCIe 1.0 na 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/369c72c6f028b915a199e85fc3de3819.jpg\" style=\"display:block;margin: 0 auto;\" \/>Mezi t\u011bmito SSD vy\u010dn\u00edvaj\u00ed Fusion ioMemory. V\u011bdeck\u00fdm \u0159editelem <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Fusion-io\">Fusion<\/a><\/noindex> byl <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>. Pot\u00e9 tuto spole\u010dnost koupila SanDisk za 1,2 miliardy dolar\u016f. V minulosti st\u00e1ly od 50 000 dolar\u016f za kus. Dnes je v\u0161ak mo\u017en\u00e9 je koupit za n\u011bkolik stovek dolar\u016f v nov\u00e9m stavu s kapacitou od 1TB a v\u00edce.<\/p>\n<p>Pokud se pod\u00edv\u00e1te na tabulku, je z\u0159ejm\u00e9, \u017ee maj\u00ed pom\u011brn\u011b vysok\u00fd po\u010det IOPS p\u0159i z\u00e1pisu, kter\u00fd je t\u00e9m\u011b\u0159 stejn\u00fd s po\u010dtem IOPS p\u0159i \u010dten\u00ed. Vzhledem k jejich aktu\u00e1ln\u00ed cen\u011b, si mysl\u00edm, \u017ee na tyto SSD byste m\u011bli d\u00e1vat pozor. <\/p>\n<p>Maj\u00ed v\u0161ak n\u011bkolik specifikac\u00ed:<\/p>\n<ol>\n<li>Nemohou b\u00fdt spou\u0161t\u011bc\u00ed.<\/li>\n<li>Je pot\u0159eba ovlada\u010d pro jejich pou\u017eit\u00ed. Ovlada\u010de jsou prakticky pro v\u0161echno, ale u nejnov\u011bj\u0161\u00edch verz\u00ed Linuxu je budete muset zkompilovat.<\/li>\n<li>Optim\u00e1ln\u00ed velikost sektoru je 4096 bajt\u016f. (Podporuj\u00ed se tak\u00e9 512 bajty)<\/li>\n<li>Ovlada\u010d m\u016f\u017ee v nejhor\u0161\u00edm sc\u00e9n\u00e1\u0159i spot\u0159ebovat pom\u011brn\u011b hodn\u011b RAM (p\u0159i velikosti sektoru 512 bajt\u016f)<\/li>\n<li>V\u00fdkon z\u00e1vis\u00ed na rychlosti procesoru, tak\u017ee je lep\u0161\u00ed vypnout technologie \u00faspory energie. To je v\u00fdhoda i nev\u00fdhoda, proto\u017ee s v\u00fdkonn\u00fdm procesorem m\u016f\u017ee za\u0159\u00edzen\u00ed pracovat rychleji, ne\u017e je uvedeno v technick\u00fdch specifikac\u00edch.<\/li>\n<li>Vy\u017eaduje dobr\u00e9 chlazen\u00ed. Pro servery by to nem\u011blo b\u00fdt probl\u00e9m.<\/li>\n<li>Nen\u00ed doporu\u010deno pro ESXi, proto\u017ee ESXi preferuje disky se sektorem 512N, co\u017e m\u016f\u017ee v\u00e9st k vysok\u00e9 spot\u0159eb\u011b pam\u011bti ovlada\u010dem.<\/li>\n<li>Branded verze t\u011bchto SSD obvykle nejsou podporov\u00e1ny dodavateli do \u00farovn\u011b posledn\u00edho ovlada\u010de od SanDisk (b\u0159ezen 2019).<\/li>\n<\/ol>\n<p>\nProvedl jsem testy Fusion ioMemory v porovn\u00e1n\u00ed s pom\u011brn\u011b modern\u00edm serverov\u00fdm SSD Intel P3700 PCI-E 3.0 x8 (posledn\u00ed stoj\u00ed \u010dty\u0159ikr\u00e1t v\u00edce ne\u017e Fusion podobn\u00e9 kapacity). M\u016f\u017eete tak\u00e9 vid\u011bt, jak moc je rychlost omezena kv\u016fli sb\u011brnici 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 diskov\u00e9ho subsyst\u00e9mu star\u00e9ho serveru z PCIe 1.0 na 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/7157ec6e43cac87fc0cdf5dd2887cfac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Upgrade diskov\u00e9ho subsyst\u00e9mu star\u00e9ho serveru z PCIe 1.0 na 2.0\" src=\"\/wp-content\/uploads\/2019\/06\/f5db5f37b300332bd787d5b2fe57b67e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\nAno, sekven\u010dn\u00ed rychlost \u010dten\u00ed je u Intel P3700 jednozna\u010dn\u011b omezena. Podle specifikac\u00ed by m\u011bla b\u00fdt 2800 MB\/s, ale m\u00e1me pouze 1469 MB\/s. Celkov\u011b lze \u0159\u00edci, \u017ee p\u0159i sb\u011brnici PCI-e 2.0 lze pou\u017e\u00edt serverov\u00e9 SSD PCI-E 3.0 x4, pokud je lze z\u00edskat za rozumnou cenu.<\/p>\n<h3>Z\u00e1v\u011bry<\/h3>\n<p>\nDiskov\u00fd subsyst\u00e9m star\u00e9ho serveru se sb\u011brnic\u00ed PCI-E 1.0 nebo 2.0 lze vylep\u0161it pou\u017eit\u00edm SSD, kter\u00e1 dok\u00e1\u017eou vyu\u017e\u00edvat 8 linek PCI-E, co\u017e poskytuje propustnost a\u017e 4GB\/s (PCI-E 2.0) nebo 2GB\/s (PCI-E 1.0). Nejv\u00edce ekonomicky v\u00fdhodn\u00e9 je to ud\u011blat pomoc\u00ed mor\u00e1ln\u011b zastaral\u00fdch PCI-E 2.0 SSD.<\/p>\n<p>Tak\u00e9 existuj\u00ed jednoduch\u00e9 kompromisn\u00ed mo\u017enosti spojen\u00e9 s n\u00e1kupem kl\u00ed\u010de CacheCade pro kontrol\u00e9ry LSI nebo v\u00fdm\u011bnou kontrol\u00e9ru Adaptec za Q-verzi.<\/p>\n<p>A naprosto ban\u00e1ln\u00ed zp\u016fsob je koupit (raid)kontrol\u00e9r SATA III, aby SSD fungovaly na pln\u00e9 rychlosti a splnily ve\u0161ker\u00e9 po\u017eadavky na v\u00fdkon.<br \/>\n<br \/>Zdroj: <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 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u0432\u044b\u0431\u0440\u0430\u043d \u0430\u043f\u0433\u0440\u0435\u0439\u0434 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\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 \u043f\u0430\u043c\u044f\u0442\u044c, \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b, \u043a\u0430\u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26262,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-34884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\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\/cs\/blog\/administrirovanie\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | 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