{"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\/sv\/blog\/administrirovanie\/upgrade-kompa-servernym-sata-ssd-na-1-92tb-s-resursom-zapisi-ot-2pb-i-vyshe","title":{"rendered":"Uppgradering av dator med server-SATA SSD p\u00e5 1,92 TB med en skrivresurs p\u00e5 2 PB och mer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Uppgradering
\n
\nDet finns m\u00e4nniskor som f\u00f6redrar att anv\u00e4nda kvalitetskomponenter fr\u00e5n f\u00f6retagssegmentet i vardagen. De vill vara s\u00e4kra p\u00e5 att deras SSD inte pl\u00f6tsligt slutar fungera p\u00e5 grund av str\u00f6mavbrott eller write amplification<\/a><\/noindex> vid daglig nedladdning av enorma 4K-torrenter p\u00e5 en fragmenterad NTFS-partition med 4K klusterstorlek<\/a><\/noindex> eller vid \u00e4nnu en kompilering av Gentoo fr\u00e5n k\u00e4llkod.<\/p>\n

Sj\u00e4lvklart intr\u00e4ffar s\u00e5dana farh\u00e5gor s\u00e4llan i praktiken, men det \u00e4r alltid trevligt att anv\u00e4nda en SSD med Power Loss Protection (1<\/a><\/noindex>, 2<\/a><\/noindex>, 3<\/a><\/noindex>), som har praktiskt taget obegr\u00e4nsad skrivresurs. Och \u00e4ven om dess kapacitet blir otillr\u00e4cklig f\u00f6r aktuella uppgifter, kan den fortfarande anv\u00e4ndas som ett flashminne eller som en extra disk, ges bort eller s\u00e4ljas.<\/p>\n

I den h\u00e4r artikeln presenteras en lista \u00f6ver f\u00f6retags-SSD-enheter med en kapacitet p\u00e5 1.92TB, som nu har sjunkit i pris till niv\u00e5n av konsument-SSD:er (< 300 $), men har skrivresurser fr\u00e5n 2 Petabyte och mer.
\n<\/a><\/noindex>
\nS\u00e5 tack vare det senaste raset i SSD-priser kan vi till\u00e5ta oss att installera servermonstren med flera terabyte i hem-PC:er och b\u00e4rbara datorer.<\/p>\n

Sj\u00e4lva SATA III-gr\u00e4nssnittet har l\u00e4nge inte utvecklats, s\u00e5 SSD:er som sl\u00e4pptes f\u00f6r f\u00f6retagsanv\u00e4ndning f\u00f6r n\u00e5gra \u00e5r sedan passar fortfarande bra f\u00f6r uppgradering av b\u00e4rbara datorer eller skrivbord med SATA-gr\u00e4nssnitt, men priserna p\u00e5 dem har fallit dramatiskt.<\/p>\n

Denna storlek ~2TB anser jag vara optimal vid uppgradering av ett gammalt system:<\/p>\n

    \n
  1. Detta \u00e4r den maximala storlek som st\u00f6ds av MBR. S\u00e5 om din BIOS inte st\u00f6der UEFI, \u00e4r detta ditt alternativ. Du uppgraderar din lagringssystem till max (relevant f\u00f6r b\u00e4rbara datorer med en enda disk).<\/li>\n
  2. Dessa diskar har en sektorstorlek p\u00e5 512 byte, vilket g\u00f6r att de kan anv\u00e4ndas med all mjukvara. \u00c4ven med Windows XP.<\/li>\n<\/ol>\n

    \nF\u00f6rutom den enorma skrivresursen, skiljer sig f\u00f6retags-SATA SSD:er:<\/p>\n

      \n
    1. Str\u00f6mf\u00f6rs\u00f6rjning. Vid str\u00f6mavbrott ger tantal (och s\u00e4llan keramiska) kondensatorer SATA SSD:er tillr\u00e4cklig energi f\u00f6r att skriva cache, s\u00e5 att filsystemet inte kraschar.
      \n\"Uppgradering\n<\/li>\n
    2. Stabilitet i hastighetskarakteristik. Konsumentprodukter anv\u00e4nder ofta SLC-cache, efter att den fyllts kan hastigheten sjunka betydligt.<\/li>\n
    3. Tillverkare sorterar flash-minneskristaller efter kvalitet. Endast de b\u00e4sta placeras i f\u00f6retags-SSD:er.<\/li>\n
    4. Ibland anv\u00e4nds MLC-minne ist\u00e4llet f\u00f6r det billigare TLC, 3D-NAND TLC, QLC.<\/li>\n<\/ol>\n

      \nH\u00e4r \u00e4r en lista med prisv\u00e4rda (upp till 300 USD) 2TB f\u00f6retags-SSD:er. Jag har kollat priser fr\u00e4mst p\u00e5 internetauktionssidor och webbplatser som Avito. Men n\u00e5gra av diskarna p\u00e5 listan kan k\u00f6pas i vanliga butiker f\u00f6r cirka 25 % mer. Ju h\u00f6gre upp i tabellen en disk ligger, desto mer f\u00f6rm\u00e5nligt kan den k\u00f6pas.<\/p>\n

      I denna tabell finns det SSD:er med mer \u00e4n bara MLC, annars skulle det bara finnas tv\u00e5 rader.<\/p>\n

      Namn
      \nPBW
      \nTyp av flashminne
      \n4k l\u00e4s iops, K
      \n4k skriv iops, K
      \nl\u00e4sa, MB\/s
      \nskrvita, MB\/s
      \nexempelmodell<\/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-lagers V-NAND MLC
      \n99
      \n18
      \n540
      \n480
      \nMZ7LM1T9HCJM<\/p>\n

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

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

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

      \nF\u00f6r att f\u00f6rst\u00e5 vilka hastigheter vi f\u00e5r efter uppgraderingen, kommer jag att inkludera n\u00e5gra sk\u00e4rmdumpar fr\u00e5n CrystalDiskMark 6.0.2. M\u00e5nga \u00e4ldre moderkort saknar SATA III-gr\u00e4nssnitt, s\u00e5 jag l\u00e4gger till n\u00e5gra resultat med SATA II och 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

      \"Uppgradering
      \n\"Uppgradering<\/p>\n

      \nEn fascinerande fakta \u00e4r att SATA II-kontrollern visade sig vara s\u00e5 framg\u00e5ngsrik att den \u00f6vertr\u00e4ffade SATA III-kontrollern i en enskild tr\u00e5dtest av slumpm\u00e4ssig l\u00e4sning\/skrivning med en k\u00f6djup p\u00e5 1.<\/p>\n

      Intressant \u00e4r skillnaden i prestanda mellan SATA I (som fortfarande finns p\u00e5 \u00e4ldre moderkort) och 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

      \"Uppgradering
      \n\"Uppgradering<\/p>\n

      \nDenna g\u00e5ng \u00e4r vinsten f\u00f6r SATA III mer \u00f6vertygande. Men vid slumpm\u00e4ssig \u00e5tkomst i en tr\u00e5d med k\u00f6djup p\u00e5 1 \u00f6verstiger skillnaden inte 20%.<\/p>\n

      Tyv\u00e4rr kunde jag inte f\u00e5 tag p\u00e5 alla SSD:er f\u00f6r tester fr\u00e5n ovanst\u00e5ende tabell. D\u00e4rf\u00f6r visar jag den sista bilden:<\/p>\n

      Samsung PM863 1.92TB<\/p>\n

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

      \"Uppgradering<\/p>\n

      <\/p>\n

      Slutsatser<\/h3>\n

      \n1.92TB SSD med livsl\u00e4ngd m\u00e4tt i petabyte till priset av konsument-SSD:er tillfredsst\u00e4ller vilken data-paranoiker som helst och \u00e4r utm\u00e4rkta f\u00f6r uppgradering av b\u00e4rbara och station\u00e4ra datorer med SATA-gr\u00e4nssnitt.<\/p>\n

      P.S. Tack f\u00f6r bilden TripletConcept<\/a><\/noindex>.
      \nP.P.S. Rapportera eventuella fel till mig privat. Jag \u00f6kar karmapo\u00e4ngen f\u00f6r det.
      \n
      K\u00e4lla:       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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