Lub peev xwm tsav nyuaj txuas ntxiv nce ntxiv, tab sis qhov kev loj hlob tau qis zuj zus nyob rau xyoo tas los no. Yog li, txhawm rau tso tawm thawj 4 TB tsav tom qab 2 TB HDDs mus muag, kev lag luam tsuas yog siv ob xyoos, nws siv peb xyoos kom ncav cuag 8 TB cim, thiab nws siv peb xyoos ntxiv los ua ob npaug ntawm 3,5 lub peev xwm. -inch hard drive ua tiav ib zaug hauv tsib xyoos.
Qhov tseeb kev ua tiav tau ua tiav ua tsaug rau tag nrho cov npe ntawm cov kev daws teeb meem tshiab. Niaj hnub no, txawm tias cov neeg saib xyuas xws li Toshiba, uas txog thaum nyuam qhuav tsis kam helium, raug yuam kom tsim cov tsav nyuaj hauv cov ntaub ntawv kaw, thiab cov phaj ntawm lub ntxaiv tau nce mus rau cuaj daim - txawm hais tias ib zaug, thiab ntev, tsib daim hlau tau nce mus rau 14 daim. suav tias yog ib qho kev txwv tsim nyog. Hauv cov niches tshwj xeeb, lub npe hu ua thev naus laus zis yog siv. pobzeb cov ntaubntawv povthawj siv (SMR, Shingled Magnetic Recording), nyob rau hauv uas lub sector lem ntawm lub platter ib feem sib tshooj. Thiab thaum kawg, txhawm rau hloov lub hard drive muaj peev xwm txwv los ntawm 16 mus rau XNUMX TB yam tsis muaj kev siv SMR, cov tuam txhab tsim khoom yuav tsum siv ib qho kev cog lus thev naus laus zis, ib qho zuj zus cov npe uas peb tsim tawm txhua xyoo. , β nyeem ib txoj kab los ntawm ob peb lub taub hau ib txhij (TDMR, Ob-Dimensional Sib Nqus Cov Ntaub Ntawv). Kev nce qib ntxiv yuav sai dua lossis tom qab ntawd yuav tsum muaj kev hloov pauv loj dua hauv cov hauv paus ntawm kev ua haujlwm HDD - xws li cua sov lub platter siv lub laser lossis microwaves (HAMR / MAMR, Kub / Microwave-Assisted Magnetic Recording) thaum lub sijhawm nws hla lub taub hau kaw.
Txawm li cas los xij, nws yog ib qho yooj yim kom pom tias tag nrho cov txheej txheem piav qhia yog tsom feem ntau ntawm kev sau ntawv ceev thiab nce ntim ntawm ib qho spindle, txawm hais tias ntau ntawm lawv muaj txiaj ntsig zoo hauv daim ntawv ntawm kev nce nrawm ntawm cov ntaub ntawv nyeem thiab sau ntawv. Raws li qhov ntsuas no, HDDs niaj hnub tau tawg los ntawm 250 MB / s txwv thiab twb tau muab piv rau cov neeg siv khoom lag luam thaum ntxov. Tab sis qhov ceev ntawm kev nkag mus rau random sectors ntawm cov hlau nplaum disks nyuaj zuj zus, thiab nyob rau hauv cov nqe lus ntawm ntim, tus naj npawb ntawm kev khiav hauj lwm ib ob tsuas yog tsawg. Nyob rau tib lub sijhawm, kev xav tau ntau ntxiv rau kev ua txhaum cai tshwm sim, vim tias ntau cov ntaub ntawv khaws cia rau ntawm ib lub spindle, qhov tseem ceeb dua nws tsis poob nws thiab nws yuav siv sij hawm ntev dua los kho nws.
Tab sis cov neeg tsim khoom ntawm cov khoom siv sib nqus kuj pom cov lus teb rau qhov kev sib tw no. Peb coj peb lub hard drives txij li 14TB txog 16TB los saib seb 64-xyoo-laus thev naus laus zis hloov mus rau xyoo 2019, thiab peb pom qee qhov kev hloov pauv. Kev sib tw piv txwv ntawm niaj hnub 3,5-nti hard drives, tsim rau rack servers thiab chaw cia khoom, muaj qee yam sib xws nrog cov khoom siv hauv xeev - los ntawm cov hauv paus ntsiab lus ntawm kev hais txog kev sib koom ua ke ntawm flash chips rau hauv lub cim xeeb hauv zos. Thiab cov neeg siv khoom lag luam, dhau los, tau dhau los ua ze rau lawv cov yam ntxwv rau lawv cov servers sib koom, thiab txawm tias cov lus piav qhia "desktop HDD" tsis tau hais ntau ntxiv txog qhov ceev thiab kev ntseeg siab ntawm lub cuab yeej. Tab sis lub hom phiaj ntawm qhov kev tshuaj xyuas no tsis txwv rau cov lus dav dav. Peb npaj siab yuav nrhiav kom paub yuav ua li cas cov qauv tshiab hauv hard drive tsim txhais ua cov lej ua haujlwm nyuaj.
Technical yam ntxwv ntawm cov neeg tuaj koom xeem
Ua ntej peb pib soj ntsuam cov txiaj ntsig kev xeem, nws tsim nyog ua tib zoo kawm cov yam ntxwv ntawm cov khoom siv uas peb yuav tau ua. Lub sijhawm no tsis muaj ntau npaum li lawv feem ntau tshwm sim hauv peb pawg kev xeem, tab sis peb tau ua tiav cov xwm txheej tseem ceeb, yam tsis muaj kev sib piv ntawm cov hard drive tsis tuaj yeem thov kom tiav. Kev tshuaj xyuas suav nrog cov khoom lag luam los ntawm tag nrho peb lub tuam txhab - Seagate, Toshiba thiab Western Digital, thiab lawv suav nrog ntau pawg: cov neeg siv khoom thiab cov neeg rau zaub mov. Cov yam ntxwv tseem ceeb uas sib sau ua ke yog qhov ntim ntawm 14 lossis 16 TB, cov ntaub ntawv kaw ntom ntom uas muaj helium, thiab lub zog spindle ntawm 7200 rpm. Thiab rau kev sib piv nrog cov hnyav hnyav, qhov kev sim no suav nrog peb cov khoom siv me me uas twb paub txog peb (10 thiab 12 TB), tsim los siv rau hauv servers, tsev lossis chaw ua haujlwm NAS.
| Chaw Tsim Tshuaj | Seagate | Toshiba | Western Digital | |||
|---|---|---|---|---|---|---|
| Series | BarraCuda Pro | Exos X 10 | IronWolf | MG08 | S300 | Tom ntej: Ultrastar DC HC530 |
| Qauv nab npawb | SWB 14000DM001 | ST10000 NM0016 | SWB 12000VN0008 | MG08ACAXXUMXTE | HDWT31AUZSVA | AWM 721414ALE6L4 |
| Qhov zoo tshaj yuav daim ntawv | Xnumx nti | Xnumx nti | Xnumx nti | Xnumx nti | Xnumx nti | Xnumx nti |
| interface | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s |
| Peev xwm, GB | 14 000 | 10 000 | 12 000 | 16 000 | 10 000 | 14 000 |
| Configuration | ||||||
| Spindle rotation ceev, rpm | 7 200 | 7 200 | 7 200 | 7 200 | 7 200 | 7 200 |
| Pab tau cov ntaub ntawv kaw ntom nti, GB / platter | 1 750 | 1 429 | 1 500 | 1 778 | 1 429 | 1 750 |
| Number of plates/heads | 8/16 | 7/14 | 8/16 | 9/18 | 7/14 | 8/16 |
| Sector loj, bytes | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) |
| Buffer loj, MB | 256 | 256 | 256 | 512 | 256 | 512 |
| Tsim tau | ||||||
| Max. txhawb nqa kev nyeem ntawv nrawm, MB / s | 250 | 249 | 210 | ND | 248 | 267 |
| Max. txhawb nqa kev sau nrawm, MB / s | 250 | 249 | 210 | ND | 248 | 267 |
| Lub sijhawm tshawb nrhiav nruab nrab: nyeem / sau, ms | ND | ND | ND | ND | ND | 7,5 / NPE |
| txhaum cai | ||||||
| Design load, TB/g | 300 | ND | 180 | 550 | 180 | 550 |
| Kev nyeem tsis raug, tus naj npawb ntawm qhov tshwm sim ntawm cov ntaub ntawv ntim (ntsis) | 1/10^ 15 | 1/10^ 15 | 1/10^ 15 | 10/10^ 16 | 10/10^ 14 | 1/10^ 15 |
| MTBF (lub sijhawm nruab nrab ntawm kev ua tsis tiav), h | ND | 2 500 000 | 1 000 000 | 2 500 000 | 1 000 000 | 2 500 000 |
| AFR (qhov tshwm sim tsis ua haujlwm ib xyoos), % | ND | 0,35 | ND | ND | ND | 0,35 |
| Tus naj npawb ntawm qhov chaw nres tsheb lub taub hau | 300 000 | 600 000 | 600 000 | 600 000 | 600 000 | 600 000 |
| Cov yam ntxwv ntawm lub cev | ||||||
| Kev siv hluav taws xob: idle / nyeem-sau, W | 4,9/6,9 | 4,5/8,4 | 5,0/7,8 | ND | 7,15/9,48 | 5,5/6,0 |
| Lub suab nrov: tsis ua haujlwm / tshawb nrhiav, B | ND | ND | 1,8/2,8 | 2,0 / NPE | 3,4 / NPE | 2,0/3,6 |
| Qhov kub siab tshaj plaws, Β° C: disk rau / tawm tawm | 60/70 | 60 / NPE | 70/70 | 55/70 | 70/70 | 60/70 |
| Kev poob siab tsis kam: disk rau / tawm tawm | ND | 40g (2 ms) / 250g (2 ms) | 70g (2 ms) / 250g (2 ms) | 70g (2 ms) / 250g (2 ms) | 70g (2 ms) / 250g (2 ms) | 70g (2 ms) / 300g (2 ms) |
| Zuag qhia tag nrho qhov ntev: L Γ H Γ D, mm | 147 Γ 101,9 Γ 26,1 | 147 Γ 101,9 Γ 26,1 | 147 Γ 101,9 Γ 26,1 | 147 Γ 101,9 Γ 26,1 | 147 Γ 101,9 Γ 26,1 | 147 Γ 101,6 Γ 26,1 |
| Pes, g | 690 | 650 | 690 | 720 | 770 | 690 |
| Lub sijhawm lav, xyoo | 5 | 5 | 3 | 5 | 3 | 5 |
| Tus nqi muag khoom (USA, tsis suav se), $ | los ntawm 549 (newegg.com) | los ntawm 289 (newegg.com) | los ntawm 351 (newegg.com) | ND | los ntawm 301 (newegg.com) | los ntawm 439 (amazon.com) |
| Tus nqi muag khoom (Russia), rub. | Los ntawm 34 (market.yandex.ru) | Los ntawm 17 (market.yandex.ru) | Los ntawm 26 (market.yandex.ru) | ND | Los ntawm 19 (market.yandex.ru) | Los ntawm 27 (market.yandex.ru) |
Thawj tus qauv hauv peb cov kev sau me me ntawm cov tsav nyuaj ntawm qhov loj me - BarraCuda Pro 14 TB - yog ib qho tsav rau desktop PCs thiab DAS, tab sis tsis yooj yim, tab sis "kev tshaj lij". Ntawm qhov tod tes, qhov no txhais tau hais tias BarraCuda Pro raug rau cov kev txwv ib txwm ntawm desktop hard drives. Piv txwv li, nws tsis yog npaj rau kev sib koom ua ke rau hauv RAID arrays, vim qhov no nws yog qhov tsim nyog kom muaj TLER (Time-Limited Error Recovery) - qhov teeb tsa firmware uas tiv thaiv HDD los ntawm ya tawm ntawm cov array vim kev sim ua ntev ntev los ntawm microcontroller. nyeem cov teeb meem sector. Tsis tas li ntawd, BarraCuda Pro chassis tsis zoo rau kev ua haujlwm hauv lub txee lossis NAS nrog ntau lub pob tawb, vim nws tsis them nyiaj rau kev sib hloov vibration.
Tab sis ntawm qhov tod tes, tsis zoo li feem ntau lwm cov khoos phis tawj nyuaj, HDDs ntawm hom no muaj peev xwm nce txhua xyoo - txog li 300 TB ntawm kev sau rov qab, npaj txhij ua haujlwm 24/7 thiab nrog rau tsib xyoos lav. Tej zaum koj yuav tsis tas yuav yws txog kev ua tau zoo (tsawg kawg hauv cov haujlwm uas feem ntau cov ntaub ntawv nkag): ua tsaug rau yim 1,75 TB platters, cov cuab yeej ua tiav qhov kev ruaj khov ntawm 250 MB / s. Tsis tas li ntawd, cov chaw tsim khoom cog lus tias qhov kev nkag mus tau yooj yim hauv BarraCuda Pro yuav tsum siab dua piv rau cov tsav zoo tib yam rau cov khoos phis tawj desktop, thiab kev siv hluav taws xob, ntawm qhov tsis sib xws, qis dua li ntawm feem ntau 3,5-nti qauv. Txawm li cas los xij, peb tseem yuav txheeb xyuas tag nrho Seagate cov lus hais.
Txhawm rau kom kov yeej cov ntaub ntawv qib siab zoo li no nyob rau hauv lub moj khaum ntawm cov txheej txheem kev kaw cia tsis tas siv niche SMR (Shingled Magnetic Recording) thev naus laus zis, Seagate yuav tsum ua raws li ib qho kev cog lus uas peb sau txog xyoo tom qab xyoo hauv peb. , - npe Ob-dimensional kaw (Two-Dimensional Magnetic Recording). Tab sis tsis sib xws rau nws lub npe, TDMR tsis muaj txoj hauv kev txuas nrog cov ntaub ntawv kaw cov txheej txheem xws li thiab yog tsim los ua kom cov teeb liab-rau-nruab nrab nyob rau hauv cov xwm txheej ntawm qhov ceev ntawm cov lem ntawm ib lub phaj hlau nplaum vim kev nyeem ib txhij ntawm kev khiav. los ntawm ob lub taub hau nyeem: lub tom kawg yog sib nrug nyob rau hauv xws li ib txoj kev uas lub teb captures nyob ib sab lem, thiab nws yuav yooj yim dua los them rau kev cuam tshuam. Yav tom ntej, hard drives nrog TDMR yuav ntxiv ntau lub taub hau, thiab nrog rau kev ntseeg siab ntawm kev nyeem cov ntaub ntawv, nws qhov ceev yuav nce, tab sis qhov no tseem yog qhov teeb meem rau yav tom ntej.
BarraCuda Pro tsav sib txawv ntawm ntau txoj hauv kev los ntawm cov khoom siv sib txuas ntawm cov tub ntxhais hluas uas tsis muaj Pro prefix - pib nrog qhov tseeb tias txhua lub tuam txhab HDD muaj cov qauv duab qauv daig ntawm 6-8 TB. BarraCuda Pro tsav tau zoo dua tuaj yeem piav qhia raws li cov xeeb ntxwv ntawm Seagate server ceg, uas tsis muaj peev xwm cuam tshuam txog kev ua haujlwm hauv arrays. Tab sis raws li qhov tshwm sim, tus nqi ntawm cov cuab yeej tau nce mus rau qib ntawm cov qauv lag luam, lossis ntau dua: hauv Russia, 14-terabyte qauv tsis tuaj yeem pom pheej yig dua 34 rubles, thiab ntawm cov chaw muag khoom hauv Tebchaws Meskas - $ 348. Txawm tias Seagate nyob ze cov qauv ntawm tib lub ntim raug nqi tsawg dua - los ntawm $ 549 lossis 375 rubles.
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Cov kev xeem tom ntej no, 14 TB Ultrastar DC HC530, yog ib qho chaw ze ze uas sawv cev rau qhov zoo tshaj plaws uas Western Digital engineers tuaj yeem ua kom txog thaum tus qauv 16 TB tshiab tuaj txog. Thiab nyob rau hauv kev xyaum ntawm 3DNews, nws tau los ua thawj Ultrastar hom hard drive tsis muaj cov ntawv ib txwm HGST nyob rau hauv lub npe: lub tuam txhab pauv tag nrho cov neeg rau zaub mov qauv nyob rau hauv nws tus kheej hom tom qab cov cuab tam ntawm HGST tau tag nrho yaj nyob rau hauv lub koom haum corporation. Hauv nws cov yam ntxwv tseem ceeb, cov cuab yeej no zoo ib yam li BarraCuda Pro ntawm tib lub ntim: hauv cov ntaub ntawv kaw ntawm Ultrastar DC HC530 kuj tseem muaj yim daim hlau sib nqus nrog lub peev xwm muaj txiaj ntsig ntawm 1750 GB, thiab TDMR thev naus laus zis muab cov ntaub ntawv nyeem los ntawm qhov sib txawv. lem. Tab sis nyob rau hauv cov nqe lus ntawm lwm yam tsis thiab ntau yam ntawm cov hauj lwm ntxiv xws li cov neeg lag luam HDDs, Ultrastar DC HC530 tsis tuaj yeem muab tso rau tib theem li cov qauv duab, txawm tias BarraCuda Pro tsis yog tus neeg sawv cev ntawm nws pawg.
Yog li, qhov tseem ceeb sau ceev ntawm BarraCuda Pro thiab Ultrastar DC HC530 platters yog tib yam, ib yam li cov spindle ceev, tab sis cov khoom WD guarantees ib tug ntau dua sustained linear nyeem thiab sau ceev ntawm cov ntaub ntawv - mus txog 267 MB / s (nws tsis yog. meej qhov sib txawv los ntawm qhov twg, tab sis cov kev ntsuam xyuas yuav qhia seb nws puas muaj tiag). Latencies thaum lub sij hawm random nkag tau pab kom txo tau los ntawm ib tug tshiab, thib peb-tiam ob-theem actuator thiab ib tug loj 512 MB tsis, thiab tseem ceeb tshaj, Media Cache - tseg zones rau ceev ceev ntawm blocks tawg nyob rau hauv lub platters. Qhov kawg feature ua rau niaj hnub ze ze disks zoo ib yam li solid-state drives, uas kuj muaj ib tug sib txawv piv ntawm lub cev sectors thiab logical blocks. Thiab pib nrog 10-terabyte Ultrastar DC HC330 qauv, WD kuj siv me me ntawm flash nco rau cache sau ua haujlwm. Nco ntsoov tias, nrog rau (muaj peev xwm) kev ua haujlwm siab heev los ntawm cov qauv ntawm cov khoom sib nqus, cov khoom WD yog qhov txawv ntawm kev siv hluav taws xob nruab nrab - qhov tseeb, nws yog cov cuab yeej siv hluav taws xob qis tshaj plaws ntawm txhua tus neeg koom nrog kev xeem, txiav txim siab los ntawm nws cov ntawv hla tebchaws. .
Cov tsav tsheb ntawm chav kawm no tau tsim nrog kev cia siab ntawm kev ua haujlwm tas mus li hauv cov neeg rau zaub mov khib: ob-sided spindle mounting, rotational vibration them nyiaj - cov no thiab lwm yam qauv tsim ntawm Ultrastar DC HC530 ua rau nws muaj peev xwm nce qhov tsim ntawm lub disk rau 550. TB / xyoo, thiab MTBF yog ib qho zoo rau ze-cov qauv 2,5 lab teev. Nyob rau hauv rooj plaub uas tsis zoo li tsis ua hauj lwm thaum hloov kho lub firmware, ib tug spare nti yog soldered mus rau lub maub los board. Lub disk los ntawm kev hloov kho nrog haiv neeg nkag mus rau 4 KB markup lossis emulation ntawm 512-byte sectors, nrog SATA lossis SAS interface. Hauv qhov kawg, qhov kev xaiv ntawm qhov kawg-rau-kawg cov ntaub ntawv encryption kuj muaj.
Cov nqi muag khoom ntawm WD Ultrastar DC HC530 nyob rau hauv kev teeb tsa nrog SATA chaw nres nkoj thiab emulation ntawm legacy 512-byte markup sib haum rau cov yam ntxwv siab thiab thev naus laus zis ntawm cov cuab yeej no: los ntawm RUB 27. nyob rau hauv Lavxias teb sab khw online thiab $ 495 ntawm Amazon.
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Nws tsis yooj yim rau kev sib sau ua ke ntawm 14 TB hard drives rau kev sib piv, thiab peb yeej tsis tuaj yeem tau txais cov cuab yeej tsim nyog los ntawm peb lub tuam txhab - Toshiba. Tab sis hloov peb tau txais tus qauv ntawm cov tiam tom ntej, 16 TB. Tam sim no tag nrho peb lub tuam txhab tsav nyuaj muaj cov tsav uas muaj peev xwm zoo sib xws, tab sis Toshiba's MG08 series khoom yog thawj zaug ntawm lawv. Lub tuam txhab Nyij Pooj cov ntaub ntawv cia siab rau cov platters nrog kwv yees, yog tias tsis yog raws nraim, tib lub cev ntom ntom li 14TB BarraCuda Pro thiab Ultrastar hard drives, tab sis qhov no yog thawj zaug Toshiba tau ntim cuaj pancakes rau hauv tus qauv 3,5-nti. Tsis yog tsis muaj TDMR thev naus laus zis, uas tau dhau los ua qhov tseem ceeb rau kev kov yeej cov tub rog tshiab ntawm lub peev xwm. Toshiba MG08's linear read/sau throughput yuav tsum nyob rau theem ntawm WD Ultrastar DC HC530, tab sis, oddly txaus, cov chaw tsim tshuaj paus tsis qhia tawm ib yam dab tsi hais txog lub ntaus ntawv kev ua tau zoo.
Tab sis nws paub tias Toshiba kuj tau ntsuas los ua kom muaj kev ntseeg siab thiab tib lub sijhawm txo qis latency ntawm kev sau cov haujlwm: flash nco nti ntawm lub nkoj MG08 thaum muaj hluav taws xob hluav taws xob tso cai rau koj txuag cov ntaub ntawv xa los ntawm tus tswv tswj hwm. rau kev sau ntawv, tab sis txiav txim los ntawm cov txiaj ntsig kev xeem, kuj tseem ua haujlwm raws li qib thib ob cache nco tom qab DRAM tsis. Txawm li cas los xij, cov thev naus laus zis no (Persistent Sau Cache) tsuas yog tshwm sim hauv cov lus qhia tshwj xeeb ntawm cov disks nrog 512-byte layout emulation, uas yog ib qho ntxiv ntawm kev txaus ntshai thaum lub hwj chim tsis ua haujlwm (thiab qee qhov kev nyiag ua haujlwm) vim xav tau kev nyeem ntawv. -hloov-sau ua haujlwm txhua lub sijhawm cov ntaub ntawv ntawm cov logical blocks uas tsis sib xws nrog cov ciam teb ntawm lub cev. Tab sis MG08 series kuj suav nrog cov qauv nrog haiv neeg nkag mus rau 4-kilobyte sectors. Txawm hais tias qhov no txhais tau hais tias tom kawg yog tag nrho tsis muaj lub cim xeeb flash, lossis tias cov haujlwm thaub qab tau raug tshem tawm ntawm nws, peb tsis paub. Tab sis tsis hais txog PWC, Toshiba MG08, thiab lwm yam tsav tsheb los ntawm lub tuam txhab no, siv Dynamic Cache algorithms, uas, raws li cov chaw tsim khoom, pom zoo faib qhov chaw tsis nyob ntawm kev nyeem thiab sau cov haujlwm. Peb kuj tsis muaj cov ncauj lus kom ntxaws txog lawv.
Lwm qhov chaw ntawm kev ua txhaum loj dua nyob rau hauv Toshiba MG08 tsim yog cov spindle mounts ntawm ob sab thiab rotational vibration sensors. Cov tsav no yog tsim los sau 550 TB ntawm cov ntaub ntawv ib xyoos twg, muaj lub sijhawm nruab nrab ntawm kev ua tsis tiav ntawm 2,5 lab teev, tus qauv rau cov khoom lag luam, thiab lub sijhawm lav tsib xyoos. Ntau qhov kev teeb tsa tsav sib txawv muaj rau kev txiav txim, nrog SATA lossis SAS interface thiab xaiv qhov kawg-rau-kawg encryption. Txawm li cas los xij, peb tsis tuaj yeem muab nqe lus qhia rau koj: Toshiba's 16-terabyte tsav tau qhia rov qab rau lub Ib Hlis, tab sis nws tseem yog tsiaj qus tsis tshua muaj nyob hauv khw muag khoom.
Toshiba MG08 16 TB
Tam sim no peb tau ntsib peb qhov kev sim tseem ceeb, cia peb saib cov hard drives me me uas peb yuav tsum sib piv cov qauv 14-16 terabyte tshiab. Ib tug ntawm lawv, Exos X10 nrog lub peev xwm ntawm 10 TB, yog ib qho kev tsav ze ze uas muaj xya daim hlau sib nqus hauv lub tsev kaw. Thiab txawm hais tias, txij li lub peev xwm siv tau ntawm lub platter tau nce los ntawm 1429 txog 1750 GB lossis ntau dua, qhov kev nkag mus tau nrawm ntawm cov tsav nyuaj yuav tsum tau nce ntxiv, hauv qhov ntsuas no, Exos X10 yog qhov ua tau zoo tsis qis dua rau tib 14 TB BarraCuda Pro raws li. specifications ntawm ob lub drives. Ib yam dab tsi kom meej meej tsis ntxiv rau hauv cov lus qhia ntawm Seagate hard drives, tab sis peb muaj lub sijhawm los nrhiav txhua yam hauv kev xyaum.
Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nkag mus tau nrawm, Exos series tau tsim AWC (Advanced Sau Caching) sau caching mechanism, uas txo lub sijhawm teb. Raws li AWC, cov ntawv sau tau muab tso rau hauv DRAM tsis raws li lawv nyob hauv lwm lub hard drive, tab sis qhov tsis tuaj yeem khaws cov ntawv luam ntawm cov ntaub ntawv tom qab nws ntws mus rau lub platter, thiab cov ntsiab lus ntawm cov iav tsis tuaj yeem nyeem tau tam sim ntawd los ntawm tus tswv tsev. tus tswj. IN 2,5-nti AWC daim ntawv foos suav nrog cov theem ceev tshaj plaws tom ntej - tshwj xeeb thaj chaw ntawm cov phiaj xwm, qhov twg cov ntaub ntawv los ntawm DRAM tau sau ua ntu ntu (Media Cache), nrog rau qee qhov me me ntawm cov cim xeeb tsis cuam tshuam rau kev cawm cov ntaub ntawv los ntawm qhov tsis nyob hauv qhov xwm txheej ntawm lub zog tsis ua haujlwm. Tab sis Exos X10 tsis muaj flash nco, thiab tej zaum Media Cache nrog rau nws.
Piv nrog rau cov neeg siv khoom nyuaj rau cov khoos phis tawj desktop thiab NAS, Exos series drives yog qhov txawv ntawm siab MTBF (2,5 lab teev) thiab tsim cov khoom thauj (550 TB / xyoo), muaj peev xwm ua haujlwm hauv server khib yam tsis muaj kev txwv ntawm cov pob tawb, thiab lub neej ua haujlwm tsib xyoos. Lub hard drive nrog tus qauv naj npawb ST10000NM0016, uas peb tau txais rau kev sim, kuj yog rau Hyperscale kev hloov kho, uas muaj qis zog siv piv rau lwm cov tswv cuab ntawm Exos tsev neeg, tab sis tsuas yog muaj nrog SATA interface thiab emulation ntawm 512-byte sectors. . Hauv kev teeb tsa nrog SAS connector, Exos qauv kuj muaj kev xaiv nrog haiv neeg nkag mus rau 4 KB sectors, nrog rau qhov kawg-rau-kawg tag nrho-disk encryption.
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Seagate IronWolf hard drive tsis ntev los no tau nthuav tawm hauv Cov neeg sawv cev tshiab ntawm cov hom no nrog rau Seagate SSD rau kev khaws cia hauv network. Tus qauv 12-terabyte IronWolf zoo nkaus li tau nruab nrog cov platters nrog tib lub cev qhov hnyav li Exos X10, tsuas yog ntawm no muaj ib qho ntxiv. Txawm li cas los xij, Seagate kwv yees qhov kev ua tau zoo ntawm nws lub hlwb hauv kev nyeem thiab sau cov haujlwm qis dua - tsuas yog 210 MB / s. Thiab tsis muaj cov thev naus laus zis thev naus laus zis tsom rau kev them nyiaj rau cov lus teb siab latency uas muaj nyob hauv cov hlau nplaum sib nqus.
Tab sis tag nrho IronWolf hard drives, pib nrog lub peev xwm ntawm 4 TB, qiv ntau cov khoom siv kho vajtse los ntawm Exos series uas ua rau muaj kev ua txhaum ntau ntxiv. Qhov sib nqus platter thaiv ntawm txhua lub zog tsav yog sib npaug hauv ob lub dav hlau, thiab cov kev sib hloov vibration sensors kom ruaj khov ua haujlwm hauv khib-mount cia systems lossis stand-alone NAS nrog txog yim lub tawb disk. IronWolf yog tsim los rau kev ua haujlwm nruab nrab nrog tus qauv tsim ntawm 180 TB / xyoo thiab muaj MTBF ntawm 1 lab teev. Yog li ntawd, lub sijhawm lav rau IronWolf tsis yog ntev npaum li cov qauv hnyav dua hauv Seagate catalog - peb xyoos.
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Raws li S300 hom, lub tuam txhab Nyij Pooj Toshiba tau tshaj tawm cov tsav tsheb rau kev soj ntsuam video - cov hard drive no kuj tau mob siab rau lawv tus kheej. ntawm nplooj ntawv 3DNews. Los ntawm kev nthuav dav ATA Streaming Command Teem cov ntaub ntawv hloov chaw raws tu qauv, cov qauv Toshiba S300 qub tau lees paub ib txhij kaw cov yeeb yaj kiab los ntawm 64 lub koob yees duab saib xyuas, tab sis ntawm lawv cov tub ntxhais lawv yog cov tsav zoo rau NAS thiab DAS nrog lub peev xwm ua haujlwm 24/7 thiab MTBF zoo: ib yam li IronWolf, nws yog 1 lab teev, thiab lub sijhawm lav yog tib lub sijhawm peb xyoos. Ua tsaug rau qhov tsim tau zoo ntawm S300 chassis - dual-sided spindle mounting thiab active rotational vibration them nyiaj - nws muaj peev xwm nruab ntau tshaj yim ntawm cov khoom siv no hauv ib lub txee khib lossis NAS dawb.
Tus qauv S300, xaiv rau kev sib piv nrog cov khoom tshiab nrog lub peev xwm ntawm 14-16 TB, yog tsim los ntawm cov khoom siv chassis ntawm MD06ACA-V server drives thiab muaj xya daim hlau sib nqus, thiab cov cuab yeej tshwj xeeb qhia txog kev nyeem / sau nrawm ntawm 248. MB / s, raug rau niaj hnub loj-muaj peev xwm HDDs . Tab sis ntawm cov txheej txheem uas tau siv hauv Toshiba server hard drives kom txo qis latency, S300 tsuas muaj Dynamic Cache muaj nuj nqi.
Tsis zoo li tag nrho lwm cov neeg koom nrog kev sim, S300, txawm tias muaj cov pawg ntom ntom ntawm xya daim hlau, tsis muaj helium thiab nyob hauv cov txheej txheem ventilated. Nws zoo nkaus li tias nws yog vim li no tias tus qauv 10 terabyte muaj tus nqi siab tshaj plaws ntawm kev siv hluav taws xob hauv cov ntsiab lus ntawm cov lus qhia tshwj xeeb ntawm cov neeg koom nrog kev xeem, thiab qhov ntsuas no, txawm hais tias hauv nws tus kheej yog qhov tseem ceeb rau cov thawj coj hauv cov ntaub ntawv, ncaj qha txiav txim siab qhov kub thiab txias. HDD. Peb mam li kuaj xyuas qhov siv hluav taws xob tiag tiag ntawm S300 peb tus kheej, tab sis rau tam sim no peb yuav nco ntsoov cov ntsiab lus no.
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Tau qhov twg los: 3d xov.ru