{"id":33702,"date":"2019-10-31T21:54:15","date_gmt":"2019-10-31T18:54:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/monitoring-sostoyaniya-ssd-v-massivah-qsan\/"},"modified":"2019-10-31T21:54:15","modified_gmt":"2019-10-31T18:54:15","slug":"monitoring-sostoyaniya-ssd-v-massivah-qsan","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/monitoring-sostoyaniya-ssd-v-massivah-qsan","title":{"rendered":"SSD \u00e1llapot\u00e1nak figyel\u00e9se Qsan t\u00f6mb\u00f6kben.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A szil\u00e1rdtest-alap\u00fa t\u00e1rol\u00f3k haszn\u00e1lata m\u00e1r senkit sem lep meg az adatment\u00e9s ter\u00fclet\u00e9n. Az SSD-k megszokott\u00e1 v\u00e1ltak az IT-eszk\u00f6z\u00f6k k\u00f6z\u00f6tt, a szem\u00e9lyi sz\u00e1m\u00edt\u00f3g\u00e9pekt\u0151l \u00e9s laptopokt\u00f3l kezdve a szerverekig \u00e9s t\u00e1rol\u00f3 rendszerekig. Ez id\u0151 alatt sz\u00e1mos SSD-gener\u00e1ci\u00f3 v\u00e1ltotta egym\u00e1st, mindegyik jav\u00edtott teljes\u00edtm\u00e9nnyel, megb\u00edzhat\u00f3s\u00e1ggal \u00e9s maxim\u00e1lis kapacit\u00e1ssal rendelkezik. De az SSD \u00edr\u00e1si er\u0151forr\u00e1s\u00e1nak figyel\u00e9se tov\u00e1bbra is aktu\u00e1lis k\u00e9rd\u00e9s.<\/p>\n

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\"SSD
\n<\/a><\/noindex><\/p>\n

A szil\u00e1rdtest-alap\u00fa t\u00e1rol\u00f3k fizikai fel\u00e9p\u00edt\u00e9se miatt el\u0151re korl\u00e1tozott \u00edr\u00e1si er\u0151forr\u00e1ssal rendelkeznek. Az a t\u00e9ny, hogy az SSD-re val\u00f3j\u00e1ban sokkal t\u00f6bb adat \u00edrhat\u00f3, mint amit a gazda (k\u00fcl\u00f6n\u00f6sen RAID csoportban) k\u00fcld, m\u00e9g ink\u00e1bb k\u00f6zel\u00edt minket a megadott hat\u00e1rhoz. Ez a k\u00f6r\u00fclm\u00e9ny egyfajta f\u00e9lelmet jelent n\u00e9h\u00e1ny felhaszn\u00e1l\u00f3 sz\u00e1m\u00e1ra az SSD haszn\u00e1lata el\u0151tt.<\/p>\n

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Val\u00f3j\u00e1ban nem minden olyan rossz. A tervezett DWPD er\u0151forr\u00e1s az adatt\u00e1rol\u00f3 garanci\u00e1lis idej\u00e9re (\u00e1ltal\u00e1ban 3-5 \u00e9v) vonatkozik. Ez\u00e9rt a t\u00e9nyleges TBW \u00edr\u00e1si er\u0151forr\u00e1s igen figyelemre m\u00e9lt\u00f3, ami lehet\u0151v\u00e9 teszi, hogy ne f\u00e9lj\u00fcnk az SSD \u201et\u00f6nkremen\u00e9s\u00e9t\u0151l\u201d n\u00e9h\u00e1ny h\u00f3nap alatt. S\u0151t, bizonyos esetekben ideiglenesen intenz\u00edvebb haszn\u00e1lat\u00e1val lehet haszn\u00e1lni az adatt\u00e1rol\u00f3kat, mint amit a gy\u00e1rt\u00f3 megenged, \u00e9ppen a magas TBW \u00e9rt\u00e9kek miatt. Azonban mindez nem mentes\u00edt a konkr\u00e9t SSD-k aktu\u00e1lis \u00edr\u00e1si er\u0151forr\u00e1s\u00e1nak figyelemmel k\u00eds\u00e9r\u00e9se al\u00f3l, a proakt\u00edv csere \u00e9rdek\u00e9ben, amikor bizonyos k\u00fcsz\u00f6b\u00e9rt\u00e9kek el\u00e9rik.<\/p>\n

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Minden t\u00e1rol\u00f3gy\u00e1rt\u00f3 saj\u00e1t m\u00f3dj\u00e1n val\u00f3s\u00edtja meg ezt a funkci\u00f3t. De leggyakrabban ez egyszer\u0171en a t\u00e1rol\u00f3 \u00e1llapot\u00e1nak hib\u00e1tlan\/k\u00e1rosodott jelz\u00e9se. Qsan<\/a><\/noindex> saj\u00e1t All Flash rendszerekben<\/a><\/noindex>, \u00e9ppen ellenkez\u0151leg, teljes k\u00f6r\u0171 vizualiz\u00e1ci\u00f3t k\u00e9sz\u00edtett az SSD aktu\u00e1lis aktivit\u00e1si param\u00e9tereir\u0151l, egy k\u00fcl\u00f6n modul form\u00e1j\u00e1ban, amelynek neve QSLife. Ez a modul szerves r\u00e9sz\u00e9t k\u00e9pezi az \u00faj oper\u00e1ci\u00f3s rendszernek XEVO<\/a><\/noindex>, amely alatt a j\u00f6v\u0151ben minden Qsan t\u00e1rol\u00f3rendszer m\u0171k\u00f6dni fog.<\/p>\n

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A rendszerben l\u00e9v\u0151 minden SSD aktu\u00e1lis \u201e\u00e9lettartam szintje\u201d a lehet\u0151 legnagyobb m\u00e9rt\u00e9kben megjelenik. Nem titok, hogy minden modern SSD saj\u00e1t nyilv\u00e1ntart\u00e1st vezet az \u00edrt blokkokr\u00f3l. Ezen \u00e9rt\u00e9kek alapj\u00e1n a rendszer kisz\u00e1m\u00edtja a meghajt\u00f3 kop\u00e1si mutat\u00f3j\u00e1t a feloszt\u00e1sa szerint. Az eredm\u00e9ny sz\u00e1zal\u00e9kban ker\u00fcl kifejez\u00e9sre, a teljesen \u00faj SSD mutat\u00f3j\u00e1hoz viszony\u00edtva. Meg kell eml\u00edteni, hogy a kop\u00e1s m\u00e9rt\u00e9ke nemcsak arra az id\u0151szakra vonatkozik, amely alatt a meghajt\u00f3 az All Flash Qsan t\u00f6mb r\u00e9szek\u00e9nt m\u0171k\u00f6d\u00f6tt, hanem teljes \u00e9lettartam\u00e1ra, bele\u00e9rtve m\u00e1s rendszerekben v\u00e9gzett munk\u00e1t is (ha volt ilyen).<\/p>\n

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\"SSD<\/p>\n

A meghajt\u00f3ra vonatkoz\u00f3 egyszer\u0171s\u00edtett inform\u00e1ci\u00f3k mellett bizonyos r\u00e9szletek is megismerhet\u0151k. K\u00fcl\u00f6n\u00f6sen az ide \u00edr data mennyis\u00e9ge az eg\u00e9sz \u00e9lettartama alatt. \u00c9s az alatt az id\u0151 alatt, am\u00edg a meghajt\u00f3 az All Flash Qsan t\u00f6mbben<\/a><\/noindex>, el\u00e9rhet\u0151k a m\u0171k\u00f6d\u00e9s\u00e9nek grafikonjai az olvas\u00e1si \u00e9s \u00edr\u00e1si m\u0171veletek sor\u00e1n. A statisztik\u00e1k val\u00f3s id\u0151ben gy\u0171jt\u0151dnek, \u00e9s b\u00e1rmilyen id\u0151szakra el\u00e9rhet\u0151k, ak\u00e1r egy \u00e9vbe is visszamen\u0151leg.<\/p>\n

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\"SSD<\/p>\n

Term\u00e9szetesen ennek a funkci\u00f3nak a c\u00e9lja nemcsak sz\u00e9p grafikonok k\u00e9sz\u00edt\u00e9se az adminisztr\u00e1tor \u00f6r\u00f6m\u00e9re, hanem a meghajt\u00f3k \u00e1llapot\u00e1nak proakt\u00edv elemz\u00e9se \u00e9s a j\u00f6v\u0151beli, kop\u00e1sukkal kapcsolatos potenci\u00e1lis probl\u00e9m\u00e1k megel\u0151z\u00e9se is. Ez\u00e9rt a SSD \u201e\u00e9lettartam szintj\u00e9vel\u201d kapcsolatban sok k\u00fcsz\u00f6b \u00e9s a SSD \u00edr\u00e1si er\u0151forr\u00e1s kimer\u00fcl\u00e9s\u00e9vel kapcsolatos megfelel\u0151 int\u00e9zked\u00e9s \u00e1ll\u00edthat\u00f3 be.<\/p>\n

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\"SSD<\/p>\n

Ha megn\u00e9z\u00fcnk m\u00e1s t\u00e1rol\u00f3modellje(ke)t (nem kiz\u00e1r\u00f3lag All Flash, hanem \u00e1ltal\u00e1nos c\u00e9l\u00fa) a Qsan-t\u00f3l<\/a><\/noindex>, akkor nincs hasonl\u00f3 vizualiz\u00e1lt jelent\u00e9s a meghajt\u00f3kr\u00f3l. Ez \u00e9rthet\u0151: v\u00e9g\u00fcl is a z\u00e1szl\u00f3shaj\u00f3nak valahogy k\u00fcl\u00f6nb\u00f6znie kell a mainstreamt\u0151l. Azonban a szok\u00e1sos term\u00e9kcsal\u00e1dban is folyamatosan zajlik hasonl\u00f3 monitoroz\u00e1s. Igen, an\u00e9lk\u00fcl, hogy statisztik\u00e1kat gy\u0171jten\u00e9nk a felhaszn\u00e1l\u00e1sr\u00f3l \u00e9s a teljes\u00edtm\u00e9nyr\u0151l. De a legf\u0151bb funkci\u00f3, ami az \u00edr\u00e1si er\u0151forr\u00e1s nyomon k\u00f6vet\u00e9s\u00e9re szolg\u00e1l, jelen van.<\/p>\n

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\"SSD<\/p>\n

A szil\u00e1rdtest-meghajt\u00f3k gy\u00e1rt\u00e1si technol\u00f3gi\u00e1inak folyamatos fejl\u0151d\u00e9se miatt a megb\u00edzhat\u00f3s\u00e1guk k\u00e9rd\u00e9se kiss\u00e9 h\u00e1tt\u00e9rbe szorult. Ennek ellen\u00e9re a felhaszn\u00e1l\u00e1suk nyomon k\u00f6vet\u00e9se tov\u00e1bbra is aktu\u00e1lis. A megfelel\u0151en be\u00e1ll\u00edtott nyomon k\u00f6vet\u00e9s lehet\u0151v\u00e9 teszi az adminisztr\u00e1tor sz\u00e1m\u00e1ra, hogy el\u0151rejelezze az SSD elhaszn\u00e1l\u00f3d\u00e1s\u00e1t a val\u00f3s jelenlegi terhel\u00e9sek alapj\u00e1n, m\u00edg a c\u00e9g vezet\u00e9se kisz\u00e1m\u00edthatja a TCO (teljes birtokl\u00e1si k\u00f6lts\u00e9g) mutat\u00f3kat.<\/p><\/blockquote>\n

Forr\u00e1s: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0442\u0432\u0435\u0440\u0434\u043e\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0432 \u0441\u0444\u0435\u0440\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0443\u0436\u0435 \u043d\u0438\u043a\u043e\u0433\u043e \u043d\u0435 \u0443\u0434\u0438\u0432\u0438\u0448\u044c. 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