{"id":37813,"date":"2019-10-31T22:19:55","date_gmt":"2019-10-31T19:19:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/upgrade-kompa-servernym-sata-ssd-na-1-92tb-s-resursom-zapisi-ot-2pb-i-vyshe\/"},"modified":"2019-10-31T22:19:55","modified_gmt":"2019-10-31T19:19:55","slug":"upgrade-kompa-servernym-sata-ssd-na-1-92tb-s-resursom-zapisi-ot-2pb-i-vyshe","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/upgrade-kompa-servernym-sata-ssd-na-1-92tb-s-resursom-zapisi-ot-2pb-i-vyshe","title":{"rendered":"Upgrade po\u010d\u00edta\u010de na serverov\u00fd SATA SSD o kapacit\u011b 1,92 TB s \u017eivotnost\u00ed z\u00e1pisu 2 PB a v\u00edce.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Upgrade
\n
\nExistuj\u00ed lid\u00e9, kte\u0159\u00ed maj\u00ed r\u00e1di pou\u017e\u00edv\u00e1n\u00ed kvalitn\u00edch komponent\u016f z firemn\u00edho segmentu v b\u011b\u017en\u00e9m \u017eivot\u011b. Cht\u011bj\u00ed si b\u00fdt jisti, \u017ee jejich SSD se n\u00e1hle nezhrout\u00ed kv\u016fli v\u00fdpadku nap\u00e1jen\u00ed nebo write amplification<\/a><\/noindex> p\u0159i ka\u017edodenn\u00edm stahov\u00e1n\u00ed obrovsk\u00fdch 4K torrent\u016f na fragmentovan\u00e9 NTFS odd\u00edly s velikost\u00ed bloku 4K<\/a><\/noindex> nebo p\u0159i dal\u0161\u00ed kompilaci Gentoo z zdrojov\u00fdch k\u00f3d\u016f.<\/p>\n

Samoz\u0159ejm\u011b, takov\u00e9 obavy se v praxi z\u0159\u00eddka napln\u00ed, ale je velmi p\u0159\u00edjemn\u00e9 pou\u017e\u00edvat SSD s ochranou proti ztr\u00e1t\u011b nap\u00e1jen\u00ed (1<\/a><\/noindex>, 2<\/a><\/noindex>, 3<\/a><\/noindex>), kter\u00e9 m\u00e1 prakticky neomezenou \u017eivotnost z\u00e1pisu. A i kdy\u017e jeho kapacita bude pro aktu\u00e1ln\u00ed \u00fakoly nedostate\u010dn\u00e1, st\u00e1le m\u016f\u017ee b\u00fdt pou\u017eit jako flashdisk nebo jako dal\u0161\u00ed disk, darov\u00e1n \u010di prod\u00e1n.<\/p>\n

V tomto \u010dl\u00e1nku je uveden seznam firemn\u00edch SSD s kapacitou 1,92 TB, kter\u00e9 nyn\u00ed zlevnily na \u00farove\u0148 spot\u0159ebitelsk\u00fdch SSD (< $300), ale maj\u00ed \u017eivotnost z\u00e1pisu od 2 petabajt\u016f a v\u00fd\u0161e.
\n<\/a><\/noindex>
\nTak\u017ee d\u00edky ned\u00e1vn\u00e9mu poklesu cen SSD si m\u016f\u017eeme dovolit pou\u017e\u00edvat serverov\u00e9 v\u00edce petabajtov\u00e9 monstra v dom\u00e1c\u00edch PC a notebooc\u00edch.<\/p>\n

Samotn\u00e9 rozhran\u00ed SATA III se u\u017e dlouho nevyv\u00edj\u00ed, tak\u017ee SSD vydan\u00e9 pro firemn\u00ed pou\u017eit\u00ed p\u0159ed n\u011bkolika lety st\u00e1le dob\u0159e vyhovuj\u00ed pro upgrade notebook\u016f nebo desktop\u016f se SATA rozhran\u00edm, ale cena se sn\u00ed\u017eila n\u011bkolik n\u00e1sobn\u011b.<\/p>\n

Tato velikost ~2TB pova\u017euji za optim\u00e1ln\u00ed p\u0159i upgradu star\u00e9ho syst\u00e9mu:<\/p>\n

    \n
  1. To je maxim\u00e1ln\u00ed velikost, kterou podporuje MBR. Pokud v\u00e1\u0161 BIOS nepodporuje UEFI, je to va\u0161e volba. Vylep\u0161ujete v\u00e1\u0161 diskov\u00fd subsyst\u00e9m na maximum (aktu\u00e1ln\u00ed pro notebooky s jedin\u00fdm diskem).<\/li>\n
  2. Tyto disky maj\u00ed velikost sektoru 512 bajt\u016f, co\u017e umo\u017e\u0148uje jejich pou\u017eit\u00ed s jak\u00fdmkoliv softwarem. Dokonce i se Windows XP.<\/li>\n<\/ol>\n

    \nKrom\u011b obrovsk\u00e9 \u017eivotnosti z\u00e1pisu se firemn\u00ed SATA SSD vyzna\u010duj\u00ed:<\/p>\n

      \n
    1. Ochrana nap\u00e1jen\u00ed. P\u0159i v\u00fdpadc\u00edch nap\u00e1jen\u00ed tantalov\u00e9 (m\u00e9n\u011b \u010dasto keramick\u00e9) kondenz\u00e1tory dod\u00e1vaj\u00ed SATA SSD energii dostate\u010dnou k zaps\u00e1n\u00ed cache, aby se souborov\u00fd syst\u00e9m nezhroutil.
      \n\"Upgrade\n<\/li>\n
    2. Stabilitou v\u00fdkonov\u00fdch charakteristik. U spot\u0159ebitelsk\u00fdch model\u016f se \u010dasto pou\u017e\u00edv\u00e1 SLC cache, po jej\u00edm\u017e napln\u011bn\u00ed m\u016f\u017ee rychlost v\u00fdrazn\u011b klesnout.<\/li>\n
    3. V\u00fdrobci t\u0159\u00edd\u00ed \u010dipy flash pam\u011bti podle kvality. Do firemn\u00edch SSD se instaluj\u00ed ty nejlep\u0161\u00ed.<\/li>\n
    4. Ob\u010das se pou\u017e\u00edv\u00e1 MLC pam\u011b\u0165 m\u00edsto levn\u011bj\u0161\u00ed TLC, 3D-NAND TLC, QLC.<\/li>\n<\/ol>\n

      \nZde je tabulka cenov\u011b dostupn\u00fdch (do 300 $) model\u016f podnikov\u00fdch SSD na 2 TB. Ceny jsem sledoval hlavn\u011b na internetov\u00fdch aukc\u00edch a na str\u00e1nk\u00e1ch jako Avito. N\u011bkter\u00e9 disky ze seznamu je v\u0161ak mo\u017en\u00e9 zakoupit tak\u00e9 v b\u011b\u017en\u00fdch obchodech, a to zhruba o 25 % dr\u00e1\u017e. \u010c\u00edm v\u00fd\u0161e je disk v tabulce, t\u00edm v\u00fdhodn\u011bj\u0161\u00ed jeho koup\u011b je.<\/p>\n

      V t\u00e9to tabulce jsou SSD nejen s MLC, jinak by tu byly pouze dv\u011b \u0159\u00e1dky.<\/p>\n

      N\u00e1zev
      \nPBW
      \nTyp flash pam\u011bti
      \n4k \u010dten\u00ed iops, K
      \n4k z\u00e1pis iops, K
      \n\u010dten\u00ed, MB\/s
      \nz\u00e1pis, MB\/s
      \nP\u0159\u00edklad modelu<\/p>\n

      Toshiba HK4R<\/a><\/noindex>
      \n3.5
      \nMLC
      \n75
      \n14
      \n524
      \n503
      \nTHNSN81Q92CSE<\/p>\n

      SanDisk CloudSpeed II Eco<\/a><\/noindex>
      \n2.1
      \nMLC
      \n75
      \n14
      \n530
      \n460
      \nSDLF1CRR-019T-1Hxx<\/p>\n

      Samsung PM863<\/a><\/noindex>
      \n2.8
      \n32-layers V-NAND MLC
      \n99
      \n18
      \n540
      \n480
      \nMZ7LM1T9HCJM<\/p>\n

      Samsung PM863a<\/a><\/noindex>
      \n2.733
      \n32-layers V-NAND MLC
      \n97
      \n28
      \n520
      \n480
      \nMZ7LM1T9HMJP<\/p>\n

      Samsung PM883<\/a><\/noindex>
      \n2.8
      \nV-NAND MLC
      \ndo 98
      \ndo 28
      \ndo 560
      \ndo 520
      \nMZ-7LH1T9NE<\/p>\n

      Micron 5100 ECO<\/a><\/noindex>
      \n2.1
      \nMicron 3D eTLC
      \n93
      \n9-31
      \n540
      \n380-520
      \nMTFDDAKxxxTBY<\/p>\n

      Micron 5100 PRO<\/a><\/noindex>
      \n8.8
      \nMicron 3D eTLC
      \n78-93
      \n26-43
      \n540
      \n250-520
      \nMTFDDAKxxxTCB<\/p>\n

      Micron 5200 ECO<\/a><\/noindex>
      \n3.5
      \nMicron 64-layer 3D TLC NAND
      \n95
      \n22
      \n540
      \n520
      \nMTFDDAK1T9TDC-1AT1ZABYY<\/p>\n

      Micron 5200 PRO<\/a><\/noindex>
      \n5.95
      \nMicron 64-layer 3D TLC NAND
      \n95
      \n32
      \n540
      \n520
      \nMTFDDAK1T9TDD-1AT1ZABYY<\/p>\n

      \nAbychom pochopili, jak\u00e9 rychlosti z\u00edsk\u00e1me po upgradu, uvedu n\u011bkolik sn\u00edmk\u016f obrazovky z CrystalDiskMark 6.0.2. Mnoho zastaral\u00fdch z\u00e1kladn\u00edch desek postr\u00e1d\u00e1 rozhran\u00ed SATA III, proto p\u0159id\u00e1m n\u011bkolik v\u00fdsledk\u016f z\u00edskan\u00fdch na SATA II a SATA I.<\/p>\n

      Toshiba HK4R 1.92TB<\/p>\n

      SATA II<\/strong>
      \nIntel ICH10R SATA AHCI
      \nSATA III<\/strong>
      \nAMD SB7x0\/SB8x0\/SB9x0 SATA AHCI<\/p>\n

      \"Upgrade
      \n\"Upgrade<\/p>\n

      \nZaj\u00edmav\u00fd fakt \u2014 SATA II \u0159adi\u010d se stal natolik \u00fasp\u011b\u0161n\u00fdm, \u017ee p\u0159ekonal SATA III \u0159adi\u010d v jednovl\u00e1knov\u00e9m testu n\u00e1hodn\u00e9ho \u010dten\u00ed\/z\u00e1pisu s hloubkou fronty 1.<\/p>\n

      Zaj\u00edmav\u00fd je rozd\u00edl mezi v\u00fdkonem SATA I (kter\u00fd se st\u00e1le vyskytuje na star\u00fdch desk\u00e1ch) a SATA III.<\/p>\n

      SanDisk CloudSpeed Eco II 1.92TB<\/p>\n

      SATA I<\/strong>
      \nIntel 82801GBM\/GHM (ICH7-M Family) SATA AHCI
      \nSATA III<\/strong>
      \nAMD SB7x0\/SB8x0\/SB9x0 SATA AHCI<\/p>\n

      \"Upgrade
      \n\"Upgrade<\/p>\n

      \nTentokr\u00e1t je v\u00edt\u011bzstv\u00ed SATA III p\u0159esv\u011bd\u010div\u011bj\u0161\u00ed. Av\u0161ak p\u0159i n\u00e1hodn\u00e9m p\u0159\u00edstupu v 1 vl\u00e1kn\u011b s hloubkou fronty 1 rozd\u00edl nep\u0159esahuje 20 %.<\/p>\n

      Bohu\u017eel jsem nedok\u00e1zal opat\u0159it v\u0161echny SSD pro testy z v\u00fd\u0161e uveden\u00e9 tabulky. Proto posledn\u00ed obr\u00e1zek:<\/p>\n

      Samsung PM863 1.92TB<\/p>\n

      SATA III<\/strong>
      \nAMD SB7x0\/SB8x0\/SB9x0 SATA AHCI<\/p>\n

      \"Upgrade<\/p>\n

      <\/p>\n

      Z\u00e1v\u011bry<\/h3>\n

      \n1.92TB SSD s v\u00fddr\u017e\u00ed m\u011b\u0159enou v petabytech, cena u\u017eivatelsk\u00fdch SSD uspokoj\u00ed ka\u017ed\u00e9ho data-paranoika a skv\u011ble se hod\u00ed k upgradu notebook\u016f a stoln\u00edch po\u010d\u00edta\u010d\u016f s SATA rozhran\u00edm.<\/p>\n

      P.S. D\u011bkuji za obr\u00e1zek TripletConcept<\/a><\/noindex>.
      \nP.P.S. Ozn\u00e1men\u00e9 chyby pros\u00edm pos\u00edlejte soukrom\u011b. Zvy\u0161uju za to karmu.
      \n
      Zdroj:       habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

      \u0415\u0441\u0442\u044c \u043b\u044e\u0434\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043b\u044e\u0431\u044f\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442\u0443\u044e\u0449\u0438\u0435 \u0438\u0437 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0441\u0435\u0433\u043c\u0435\u043d\u0442\u0430 \u0432 \u0431\u044b\u0442\u0443. \u041e\u043d\u0438 \u0445\u043e\u0442\u044f\u0442 \u0431\u044b\u0442\u044c \u0443\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u043c\u0438 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0438\u0445 SSD \u043d\u0435 \u043d\u0430\u043a\u0440\u043e\u0435\u0442\u0441\u044f \u0432\u043d\u0435\u0437\u0430\u043f\u043d\u043e \u0438\u0437-\u0437\u0430 \u0441\u0431\u043e\u044f \u043f\u043e \u043f\u0438\u0442\u0430\u043d\u0438\u044e \u0438\u043b\u0438 write amplification 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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28382,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-37813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Upgrade po\u010d\u00edta\u010de na serverov\u00e9 SATA SSD o kapacit\u011b 1.92TB s v\u00fddr\u017e\u00ed z\u00e1pisu od 2PB a v\u00fd\u0161e | ProHoster","description":"Existuj\u00ed 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