{"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\/da\/blog\/administrirovanie\/upgrade-kompa-servernym-sata-ssd-na-1-92tb-s-resursom-zapisi-ot-2pb-i-vyshe","title":{"rendered":"Opgrader din server med en SATA SSD p\u00e5 1,92 TB med en skrivelevetid p\u00e5 2 PB og derover","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Opgrader
\n
\nNogle mennesker elsker at bruge kvalitetskomponenter fra det erhvervsm\u00e6ssige segment i deres hverdag. De \u00f8nsker at v\u00e6re sikre p\u00e5, at deres SSD ikke pludselig g\u00e5r i stykker p\u00e5 grund af str\u00f8mfejl eller write amplification<\/a><\/noindex> ved daglig download af enorme 4K-torrenter p\u00e5 en fragmenteret NTFS-partition med en klyngest\u00f8rrelse p\u00e5 4K<\/a><\/noindex> eller under en ny kompilering af Gentoo fra kildekoden.<\/p>\n

Selvf\u00f8lgelig sker s\u00e5danne bekymringer sj\u00e6ldent i praksis, men det er meget behageligt at bruge en SSD med Power Loss Protection (1<\/a><\/noindex>, 2<\/a><\/noindex>, 3<\/a><\/noindex>), som har en n\u00e6sten ubegribelig skrivelevetid. Og selv n\u00e5r dens kapacitet bliver for lille til nuv\u00e6rende opgaver, kan den stadig bruges som en USB-disk eller gives v\u00e6k eller s\u00e6lges.<\/p>\n

I denne artikel pr\u00e6senteres en liste over erhvervssata SSD'er med 1,92 TB kapacitet, der nu er faldet til niveauet for forbruger SSD'er (< $300), men har en skrivelevetid p\u00e5 2 petabyte og derover.
\n<\/a><\/noindex>
\nS\u00e5 takket v\u00e6re det nylige prisfald p\u00e5 SSD'er kan vi tillade os at installere serverens multi-terabyte monstre i hjemme-pc'er og b\u00e6rbare computere.<\/p>\n

Selve SATA III-gr\u00e6nsefladen er l\u00e6nge ikke blevet udviklet, s\u00e5 SSD'er udgivet til erhvervsm\u00e6ssig brug for flere \u00e5r siden er stadig meget velegnede til opgradering af b\u00e6rbare eller desktop-enheder med SATA-interface, men prisen p\u00e5 dem er faldet drastisk.<\/p>\n

Jeg anser denne st\u00f8rrelse p\u00e5 ~2 TB for optimal ved opgradering af et gammelt system:<\/p>\n

    \n
  1. Det er den maksimale st\u00f8rrelse, der underst\u00f8ttes af MBR. S\u00e5 hvis dit BIOS ikke underst\u00f8tter UEFI, s\u00e5 er dette din mulighed. Du maksimerer din disk underholdning til det maksimale (aktuelt for b\u00e6rbare computere med en enkelt disk).<\/li>\n
  2. Disse diske har en sektorst\u00f8rrelse p\u00e5 512 bytes, hvilket giver mulighed for at bruge dem med enhver software. Selv med Windows XP.<\/li>\n<\/ol>\n

    \nUdover den enorme skrivelevetid adskiller erhvervssata SSD'er sig i:<\/p>\n

      \n
    1. Str\u00f8mbeskyttelse. Ved str\u00f8mafbrydelser sikrer tantal (sj\u00e6ldnere keramiske) kondensatorer, at SATA SSD f\u00e5r den n\u00f8dvendige energi til at skrive cache, s\u00e5 filsystemet ikke g\u00e5r i stykker.
      \n\"Opgrader\n<\/li>\n
    2. Stabilitet i hastighedskarakteristika. Forbruger enheder bruger ofte SLC-cache, hvorefter hastigheden kan falde betydeligt.<\/li>\n
    3. Producenterne sorterer flashmemorkristaller efter kvalitet. De bedste anvendes i erhvervssata SSD'er.<\/li>\n
    4. Nogle gange bruges MLC-hukommelse i stedet for den billigere TLC, 3D-NAND TLC, QLC.<\/li>\n<\/ol>\n

      \nHer er en liste over rimelige (op til $300) 2TB virksomhed SSD-modeller. Jeg har prim\u00e6rt kigget priser p\u00e5 online auktioner og sider som Avito. Men nogle af diske p\u00e5 listen kan ogs\u00e5 k\u00f8bes i almindelige butikker til ca. 25% dyrere. Jo h\u00f8jere et disk er p\u00e5 listen, desto mere fordelagtigt kan det k\u00f8bes.<\/p>\n

      Denne tabel indeholder SSD'er ikke kun med MLC, ellers ville der kun v\u00e6re 2 linjer.<\/p>\n

      Navn
      \nPBW
      \nType flash-hukommelse
      \n4k l\u00e6se IOPS, K
      \n4k skrive IOPS, K
      \nl\u00e6se, MB\/s
      \nskrive, MB\/s
      \neksempel p\u00e5 model<\/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 lag V-NAND MLC
      \n99
      \n18
      \n540
      \n480
      \nMZ7LM1T9HCJM<\/p>\n

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

      Samsung PM883<\/a><\/noindex>
      \n2.8
      \nV-NAND MLC
      \nop til 98
      \nop til 28
      \nop til 560
      \nop til 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-lags 3D TLC NAND
      \n95
      \n22
      \n540
      \n520
      \nMTFDDAK1T9TDC-1AT1ZABYY<\/p>\n

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

      \nFor at forst\u00e5, hvilke hastigheder vi f\u00e5r efter opgraderingen, vil jeg vise nogle sk\u00e6rmbilleder fra CrystalDiskMark 6.0.2. Mange for\u00e6ldede bundkort mangler SATA III interface, s\u00e5 jeg vil inkludere nogle resultater, der er opn\u00e5et p\u00e5 SATA II og 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

      \"Opgrader
      \n\"Opgrader<\/p>\n

      \nEn interessant kendsgerning \u2014 SATA II-controlleren viste sig at v\u00e6re s\u00e5 vellykket, at den overgik SATA III-controlleren i en enkelttr\u00e5det test af random read\/write med en k\u00f8dybde p\u00e5 1.<\/p>\n

      Forskel p\u00e5 ydelsen mellem SATA I (som stadig findes p\u00e5 gamle bundkort) og SATA III er interessant.<\/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

      \"Opgrader
      \n\"Opgrader<\/p>\n

      \nDenne gang er sejren for SATA III mere overbevisende. Dog er forskellen ved tilf\u00e6ldig adgang i 1 tr\u00e5d med k\u00f8dybde 1 ikke over 20%.<\/p>\n

      Desv\u00e6rre kunne jeg ikke f\u00e5 alle SSD'er fra den ovenn\u00e6vnte tabel til testene. S\u00e5 her er det sidste billede:<\/p>\n

      Samsung PM863 1.92TB<\/p>\n

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

      \"Opgrader<\/p>\n

      <\/p>\n

      Konklusioner<\/h3>\n

      \n1.92TB SSD med en levetid m\u00e5lt i petabyte, til prisen for forbruger SSD'er, vil tilfredsstille enhver dataparanoiker og er perfekt til opgradering af b\u00e6rbare og station\u00e6re computere med SATA-interface.<\/p>\n

      P.S. Tak for billedet TripletConcept<\/a><\/noindex>.
      \nP.P.S. Rapporterede fejl bedes sendes via privat besked. Jeg \u00f8ger karmapoint for dette.
      \n
      Kilde:       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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