{"id":112173,"date":"2023-12-13T03:10:13","date_gmt":"2023-12-13T01:10:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej"},"modified":"2023-12-13T03:10:13","modified_gmt":"2023-12-13T01:10:13","slug":"opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej","title":{"rendered":"Megjelent az SEF platform programozottan vez\u00e9relt Flash-meghajt\u00f3khoz","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Linux Foundation bemutatta az SEF (Software Enabled Flash) ny\u00edlt platform els\u0151 kiad\u00e1s\u00e1t, amely a KIOXIA (a Toshiba Memory Corporation kor\u00e1bbi neve) \u00e1ltal \u00e1tadott k\u00f3dra \u00e9p\u00fcl. Itt tal\u00e1lhat\u00f3 a Flash-mem\u00f3ria 1980-as feltal\u00e1l\u00e1sa. Az eszk\u00f6zk\u00e9szlet forr\u00e1sk\u00f3dja C nyelven k\u00e9sz\u00fclt, \u00e9s BSD licences. <\/p>\n

Az eszk\u00f6zt\u00e1r mag\u00e1ban foglal egy Linux kernelhez k\u00e9sz\u00fclt jav\u00edt\u00f3csomagot, egy blokkdraivert SEF (Software Enabled Flash) eszk\u00f6z\u00f6kh\u00f6z, parancssori seg\u00e9deszk\u00f6z\u00f6ket, paravirtualiz\u00e1lt SEF-vez\u00e9rl\u0151ket QEMU-hoz, egy API-val rendelkez\u0151 k\u00f6nyvt\u00e1rat alkalmaz\u00e1sfejleszt\u00e9shez, valamint jav\u00edt\u00e1sokat az nvme-cli \u00e9s FIO sz\u00e1m\u00e1ra, amelyek t\u00e1mogatj\u00e1k a SEF-et. Az SDK tartalmaz egy referencia megval\u00f3s\u00edt\u00e1st az FTL (Flash Translation Layer) programszinten, amely a blokkutas\u00edt\u00e1sokat az aktu\u00e1lis Flash mem\u00f3riachipekhez ir\u00e1ny\u00edtja, a szem\u00e9tgy\u0171jt\u00e9st \u00e9s az adatok t\u00e1rol\u00e1s\u00e1t a mem\u00f3riacell\u00e1kban. Az FTL t\u00e1mogatja a rugalmas adatelhelyez\u00e9st (FDP \u2014 Flexible Data Placement), a z\u00f3n\u00e1z\u00e1st (ZNS \u2014 Zoned Namespace) \u00e9s az NVMe specifik\u00e1ci\u00f3t. <\/p>\n

Hagyom\u00e1nyos Flash-ok eset\u00e9ben a k\u00fcls\u0151 rendszerek sz\u00e1m\u00e1ra a meghajt\u00f3 fekete dobozk\u00e9nt m\u0171k\u00f6dik, amelynek egy r\u00e9sze a vez\u00e9rl\u0151 bels\u0151 tev\u00e9kenys\u00e9geib\u0151l ered\u0151 kisz\u00e1m\u00edthatatlan k\u00e9sleltet\u00e9sek \u00e9s v\u00e1ltoz\u00f3 teljes\u00edtm\u00e9nymutat\u00f3k miatt fenntart\u00e1sra ker\u00fcl. Ezen hagyom\u00e1nyos Flash-meghajt\u00f3kkal ellent\u00e9tben, ahol az adatok eloszt\u00e1s\u00e1val, a hib\u00e1s blokkok izol\u00e1l\u00e1s\u00e1val \u00e9s a szem\u00e9tgy\u0171jt\u00e9ssel a vez\u00e9rl\u0151 firmware foglalkozik, a SEF-t\u00e1mogat\u00e1ssal rendelkez\u0151 meghajt\u00f3k lehet\u0151v\u00e9 teszik, hogy a Flash-mem\u00f3riachippel v\u00e9gzett alacsony szint\u0171 munk\u00e1latok logik\u00e1j\u00e1t a szoftverre \u00e9s az oper\u00e1ci\u00f3s rendszerre b\u00edz\u00e1k. <\/p>\n

A SEF lehet\u0151s\u00e9get ad arra, hogy k\u00f6zvetlen\u00fcl ir\u00e1ny\u00edtsuk az adatok fizikai elhelyez\u00e9s\u00e9t, megv\u00e1ltoztassuk a terhel\u00e9seloszt\u00e1si algoritmusokat, kezelj\u00fck a priorit\u00e1sokat \u00e9s a QoS-t, megszabaduljunk a blokkok ford\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges plusz r\u00e9tegt\u0151l, kihaszn\u00e1ljuk a rendelkez\u00e9sre \u00e1ll\u00f3 mem\u00f3ri\u00e1t, el\u00e9rj\u00fck a meghat\u00e1rozott teljes\u00edtm\u00e9nyt a t\u00e1rol\u00f3val, \u00e9s a t\u00e1rol\u00f3t virtu\u00e1lis eszk\u00f6z\u00f6kre oszthassuk, amelyek el vannak k\u00fcl\u00f6n\u00edtve a bemeneti\/kimeneti szinten \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 priorit\u00e1sokkal rendelkeznek a feldolgoz\u00e1s sor\u00e1n. A SEF megk\u00f6zel\u00edt\u00e9se lehet\u0151v\u00e9 teszi a k\u00f6lts\u00e9gek cs\u00f6kkent\u00e9s\u00e9t \u00e9s a t\u00e1rol\u00f3val val\u00f3 interakci\u00f3 hat\u00e9konys\u00e1g\u00e1nak n\u00f6vel\u00e9s\u00e9t az\u00e1ltal, hogy alkalmazkodik a hullad\u00e9kgy\u0171jt\u00e9s jelenlegi ig\u00e9nyeihez, a mem\u00f3ria fenntart\u00e1s\u00e1hoz \u00e9s a blokkok eloszt\u00e1s\u00e1hoz a kop\u00e1s cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben. <\/p>\n

P\u00e9ld\u00e1ul a SEF lehet\u0151v\u00e9 teszi a teljes\u00edtm\u00e9ny normaliz\u00e1l\u00e1s\u00e1t, amikor elt\u00e9r\u0151 jellemz\u0151kkel rendelkez\u0151, k\u00fcl\u00f6nb\u00f6z\u0151 id\u0151pontokban v\u00e1s\u00e1rolt t\u00e1rol\u00f3k t\u00f6mbj\u00e9t haszn\u00e1ljuk. Azokn\u00e1l a t\u00e1rol\u00f3kn\u00e1l, amelyeket f\u0151k\u00e9nt csak olvas\u00e1sra haszn\u00e1lnak, a SEF seg\u00edts\u00e9g\u00e9vel egyszer\u0171bb blokkeloszt\u00e1si algoritmusokat alkalmazhatunk, \u00e9s cs\u00f6kkenthetj\u00fck az adminisztrat\u00edv c\u00e9lokra fenntartott mem\u00f3ria mennyis\u00e9g\u00e9t.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Linux Foundation \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 Flash-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 SEF (Software Enabled Flash), \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0434\u0430, \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 KIOXIA (\u0434\u043e \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u044f Toshiba Memory Corporation), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432 1980 \u0433\u043e\u0434\u0443 \u0431\u044b\u043b\u0430 \u0438\u0437\u043e\u0431\u0440\u0435\u0442\u0435\u043d\u0430 Flash-\u043f\u0430\u043c\u044f\u0442\u044c. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0434\u043b\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-112173","post","type-post","status-publish","format-standard","hentry","category-news"],"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\udd47 Megjelent a SEF platform programozottan kezelhet\u0151 Flash-t\u00e1rol\u00f3khoz | ProHoster","description":"A Linux Foundation bemutatta az els\u0151 kiad\u00e1s\u00e1t a SEF (Software Enabled Flash) nev\u0171 programozottan kezelhet\u0151 Flash-t\u00e1rol\u00f3k ny\u00edlt platformj\u00e1nak, amelyet a KIOXIA \u00e1ltal \u00e1tadott k\u00f3d alapj\u00e1n \u00e9p\u00edtettek.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 SEF \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 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