SMR mu HDD: Ogulitsa ma PC ayeneranso kukhala otseguka

Chakumapeto kwa sabata yatha Western Digital adapereka chikalata poyankha kuwululidwa kwa kugwiritsidwa ntchito kosalembedwa kwaukadaulo wa SMR (Shingled Magnetic Media Recording) mumayendedwe a WD Red NAS okhala ndi mphamvu ya 2 TB ndi 6 TB. Toshiba ndi Seagate anatsimikizira Ma blocks & Files omwe ma drive awo ena amagwiritsanso ntchito ukadaulo wa SMR wosalembedwa. Ndikuganiza kuti nthawi yakwana yoti ogulitsa ma PC ayeretse zinthu.

Njira yojambulira maginito ya SMR imapangitsa kuti ziwonjezere mphamvu zosungirako ndi 15-20%. Komabe, teknoloji ili ndi zovuta zazikulu, chinsinsi chake ndi kuchepa kwa liwiro la kulemberanso deta, zomwe zingakhale zovuta kwambiri zikagwiritsidwa ntchito pa PC.

Chifukwa chake, opanga makompyuta ndi laputopu ayenera kuwonetsa bwino muzolemba zaukadaulo ndi zida zotsatsa zomwe makina awo amagwiritsa ntchito ma drive ndiukadaulo wa SMR. Izi zidzalepheretsa ma drive ena a WD Red NAS kuti asachitike m'ma PC ogula.

Katswiri wina wamakampani, yemwe amafuna kuti asadziwike, adauza Blocks & Files kuti: "Nzosadabwitsa kuti WD ndi Seagate anali kupereka ma hard drive a SMR desktop kwa OEMs - pambuyo pake, ndi otsika mtengo pamlingo uliwonse. Ndipo mwatsoka, n'zosadabwitsa kuti opanga makompyuta monga Dell ndi HP amawagwiritsa ntchito m'makina awo popanda kuuza makasitomala awo ndi ogwiritsa ntchito mapeto (ndi / kapena ogula ma PC a bizinesi, nthawi zambiri ogula) ... Ndikuganiza kuti vutoli likufalikira kale popereka chain ndipo sikuti amangokhala opanga ma hard drive okha. ”

WD imagwiritsa ntchito SMR mumayendedwe ake a 1, 2, 3, 4, ndi 6 TB Red, ndi CMR wamba mumayendedwe ake 8, 10, 12, ndi 14 TB a banja lomwelo. Ndiko kuti, tikukamba za kugawa banja limodzi la zinthu m'magawo awiri, omwe amagwiritsa ntchito matekinoloje osiyanasiyana ojambulira disk. Kuphatikiza apo, SMR imagwiritsidwa ntchito kupititsa patsogolo mtengo wamayankho otsika mtengo.

WD m'mawu ake adanenanso kuti poyesa ma drive a WD Red, sanapeze vuto lililonse pakumanganso kwa RAID chifukwa chaukadaulo wa SMR. Komabe, ogwiritsa ntchito ma forum a Reddit, Synology ndi smartmontools apeza zovuta: mwachitsanzo, ndi zowonjezera za ZFS RAID ndi FreeNAS.

Alan Brown, manejala wa netiweki ku UCL yemwe adafotokoza za nkhani ya SMR, adati: "Ma drive awa sali oyenera kutero (gwiritsani ntchito pomanganso RAID). Chifukwa pamenepa iwo amayambitsa vuto lodziwika bwino komanso lobwerezabwereza lomwe limabweretsa zolakwika zazikulu. Ma drive a SMR omwe amagulitsidwa ku NAS ndi RAID ali ndi zosokoneza komanso zosinthika kotero kuti satha kugwiritsidwa ntchito.

Ngakhale anthu omwe amagwiritsa ntchito ma drive a Seagate okhala ndi SMR adanenanso kuti kuyimitsidwa kwa masekondi 10 kwakanthawi, ndipo iwo omwe poyamba adachita bwino ndi ma SMR drive arrays atsimikizira kuti njira yomanganso yosunga zobwezeretsera idakhala vuto lalikulu lomwe sanavomereze mpaka. tayesera kuzigwiritsa ntchito. ”

Source: 3dnews.ru