{"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\/cs\/blog\/administrirovanie\/monitoring-sostoyaniya-ssd-v-massivah-qsan","title":{"rendered":"Monitorov\u00e1n\u00ed stavu SSD v pol\u00edch Qsan","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pou\u017e\u00edv\u00e1n\u00ed SSD disk\u016f v oblasti ukl\u00e1d\u00e1n\u00ed dat u\u017e nikoho nep\u0159ekvap\u00ed. SSD se pevn\u011b usadily v IT vybaven\u00ed od osobn\u00edch po\u010d\u00edta\u010d\u016f a notebook\u016f a\u017e po servery a \u00falo\u017en\u00e9 syst\u00e9my. B\u011bhem t\u00e9to doby se vyst\u0159\u00eddalo n\u011bkolik generac\u00ed SSD, z nich\u017e ka\u017ed\u00e1 m\u011bla vylep\u0161en\u00e9 vlastnosti z hlediska v\u00fdkonu, spolehlivosti a maxim\u00e1ln\u00ed kapacity. Ot\u00e1zka sledov\u00e1n\u00ed zapisovac\u00edho zdroje SSD v\u0161ak z\u016fst\u00e1v\u00e1 st\u00e1le aktu\u00e1ln\u00ed.<\/p>\n

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\"Monitorov\u00e1n\u00ed
\n<\/a><\/noindex><\/p>\n

SSD disky maj\u00ed vzhledem ke sv\u00e9 fyzick\u00e9 konstrukci p\u0159edem omezen\u00fd zapisovac\u00ed zdroj. A skute\u010dnost, \u017ee na SSD se zapisuje mnohem v\u00edce dat, ne\u017e kolik je na n\u011bj pos\u00edl\u00e1no hostem (zejm\u00e9na v r\u00e1mci RAID skupiny), n\u00e1s je\u0161t\u011b v\u00edce p\u0159ibli\u017euje k ur\u010den\u00e9mu limitu. Tato okolnost je jak\u00fdmsi strachem n\u011bkter\u00fdch u\u017eivatel\u016f p\u0159ed pou\u017e\u00edv\u00e1n\u00edm SSD.<\/p>\n

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Ve skute\u010dnosti to nen\u00ed tak \u0161patn\u00e9. Po\u010d\u00edtan\u00fd zdroj DWPD je poskytov\u00e1n pro celou z\u00e1ruku disku (obvykle 3-5 let). A proto bude re\u00e1ln\u00fd zapisovac\u00ed zdroj TBW velmi impozantn\u00ed, co\u017e umo\u017e\u0148uje neb\u00e1t se \"vymazat\" SSD b\u011bhem n\u011bkolika m\u011bs\u00edc\u016f. Nav\u00edc v n\u011bkter\u00fdch p\u0159\u00edpadech lze do\u010dasn\u011b pou\u017e\u00edvat disky v intenzivn\u011bj\u0161\u00edm re\u017eimu, ne\u017e jak\u00fd v\u00fdrobce stanovil, pr\u00e1v\u011b d\u00edky vysok\u00fdm hodnot\u00e1m TBW. Nicm\u00e9n\u011b to v\u0161e rozhodn\u011b neodstran\u00ed pot\u0159ebu sledov\u00e1n\u00ed aktu\u00e1ln\u00edho zapisovac\u00edho zdroje ka\u017ed\u00e9ho konkr\u00e9tn\u00edho SSD s c\u00edlem proaktivn\u011b vym\u011bnit p\u0159i dosa\u017een\u00ed ur\u010dit\u00fdch prahov\u00fdch hodnot.<\/p>\n

<\/p>\n

Ka\u017ed\u00fd dodavatel \u00falo\u017en\u00fdch syst\u00e9m\u016f implementuje tuto funkci po sv\u00e9m. Nej\u010dast\u011bji se v\u0161ak jedn\u00e1 o vlastnost disku v po\u0159\u00e1dku\/nepo\u0159\u00e1dku. Qsan<\/a><\/noindex> ve sv\u00fdch syst\u00e9mech All Flash<\/a><\/noindex>, naopak, poskytuje \u00faplnou vizualizaci parametr\u016f aktu\u00e1ln\u00ed aktivity SSD ve form\u011b samostatn\u00e9ho modulu s n\u00e1zvem QSLife. Tento modul je ned\u00edlnou sou\u010d\u00e1st\u00ed nov\u00e9ho opera\u010dn\u00edho syst\u00e9mu XEVO<\/a><\/noindex>, pod jeho\u017e spr\u00e1vou budou v budoucnu pracovat v\u0161echny \u00falo\u017en\u00e9 syst\u00e9my Qsan.<\/p>\n

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Pro ka\u017ed\u00fd SSD v syst\u00e9mu je aktu\u00e1ln\u00ed '\u00farove\u0148 \u017eivotnosti' zobrazena v maxim\u00e1ln\u011b dostupn\u00e9 form\u011b. Nen\u00ed tajemstv\u00edm, \u017ee v\u0161echny modern\u00ed SSD disky sleduj\u00ed po\u010det zapsan\u00fdch blok\u016f. Na z\u00e1klad\u011b t\u011bchto hodnot syst\u00e9m vypo\u010d\u00edt\u00e1 m\u00edru opot\u0159eben\u00ed disku podle jeho rozlo\u017een\u00ed. Kone\u010dn\u00fd v\u00fdsledek je zobrazen jako procento z hodnoty zcela nov\u00e9ho SSD. Tak\u00e9 je t\u0159eba poznamenat, \u017ee m\u00edra opot\u0159eben\u00ed se po\u010d\u00edt\u00e1 nejen za obdob\u00ed, kdy disk pracoval v r\u00e1mci All Flash pole Qsan, ale za cel\u00fd jeho \u017eivot, v\u010detn\u011b pou\u017eit\u00e9 v jin\u00fdch syst\u00e9mech (pokud tomu tak bylo).<\/p>\n

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\"Monitorov\u00e1n\u00ed<\/p>\n

Krom\u011b zjednodu\u0161en\u00fdch informac\u00ed o disku lze zjistit i n\u011bkter\u00e9 podrobnosti. Zejm\u00e9na objem dat, kter\u00e1 byla na n\u011bj zaps\u00e1na b\u011bhem cel\u00e9 jeho \u017eivotnosti. A b\u011bhem doby, kdy disk pracoval v r\u00e1mci All Flash pole Qsan<\/a><\/noindex>, jsou k dispozici grafy jeho v\u00fdkonu v operac\u00edch \u010dten\u00ed a z\u00e1pisu. Statistika se shroma\u017e\u010fuje v re\u00e1ln\u00e9m \u010dase a je k dispozici za jak\u00e9koli obdob\u00ed s hloubkou sledov\u00e1n\u00ed a\u017e jeden rok.<\/p>\n

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\"Monitorov\u00e1n\u00ed<\/p>\n

Samoz\u0159ejm\u011b c\u00edlem t\u00e9to funkce nen\u00ed pouze vytv\u00e1\u0159en\u00ed kr\u00e1sn\u00fdch graf\u016f pro radost administr\u00e1tora, ale tak\u00e9 proaktivn\u00ed anal\u00fdza stavu disk\u016f a prevence potenci\u00e1ln\u00edch probl\u00e9m\u016f v budoucnu souvisej\u00edc\u00edch s jejich opot\u0159eben\u00edm. Proto lze pro '\u00farove\u0148 \u017eivotnosti' SSD nastavit \u0159adu prahov\u00fdch hodnot a odpov\u00eddaj\u00edc\u00edch akc\u00ed souvisej\u00edc\u00edch s vy\u010derp\u00e1n\u00edm z\u00e1pisov\u00e9ho zdroje SSD.<\/p>\n

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\"Monitorov\u00e1n\u00ed<\/p>\n

Pokud se pod\u00edv\u00e1me na jin\u00e9 modely SDD (ne specializovan\u00e9 All Flash, ale univerz\u00e1ln\u00ed) od Qsan<\/a><\/noindex>, tak v nich chyb\u00ed takov\u00fdto vizualizovan\u00fd report o disc\u00edch. A to je pochopiteln\u00e9: p\u0159ece jen by se vlajkov\u00e1 lo\u010f m\u011bla n\u011bjak li\u0161it od mainstreamu. Nicm\u00e9n\u011b i v b\u011b\u017en\u00e9 \u0159ad\u011b produkt\u016f je takov\u00e9to sledov\u00e1n\u00ed nezbytn\u00e9. Ano, bez shroma\u017e\u010fov\u00e1n\u00ed statistik o vyu\u017eit\u00ed a v\u00fdkonu. P\u0159esto hlavn\u00ed funkce sledov\u00e1n\u00ed z\u00e1pisov\u00e9ho zdroje z\u016fst\u00e1v\u00e1 zachov\u00e1na.<\/p>\n

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\"Monitorov\u00e1n\u00ed<\/p>\n

Vzhledem k neust\u00e1l\u00e9mu zlep\u0161ov\u00e1n\u00ed technologi\u00ed v\u00fdroby SSD disk\u016f se ot\u00e1zka jejich spolehlivosti trochu utlumila. P\u0159esto v\u0161ak z\u016fst\u00e1v\u00e1 sledov\u00e1n\u00ed jejich \u017eivotnosti st\u00e1le aktu\u00e1ln\u00ed. Spr\u00e1vn\u011b nastaven\u00e9 monitorov\u00e1n\u00ed umo\u017en\u00ed administr\u00e1torovi p\u0159edpov\u011bd\u011bt st\u00e1rnut\u00ed SSD na z\u00e1klad\u011b aktu\u00e1ln\u00edch z\u00e1t\u011b\u017e\u00ed a veden\u00ed spole\u010dnosti spo\u010d\u00edtat ukazatele TCO (celkov\u00e9 n\u00e1klady na vlastnictv\u00ed).<\/p><\/blockquote>\n

Zdroj: 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. SSD \u043f\u0440\u043e\u0447\u043d\u043e \u0432\u043e\u0448\u043b\u0438 \u0432 \u043e\u0431\u0438\u0445\u043e\u0434 IT \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u0442 \u043f\u0435\u0440\u0441\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043e\u0432 \u0438 \u043d\u043e\u0443\u0442\u0431\u0443\u043a\u043e\u0432 \u0434\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0438 \u0441\u0438\u0441\u0442\u0435\u043c \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445. \u0417\u0430 \u044d\u0442\u043e \u0432\u0440\u0435\u043c\u044f \u0441\u043c\u0435\u043d\u0438\u043b\u043e\u0441\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u0439 SSD, \u043a\u0430\u0436\u0434\u043e\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043e\u0431\u043b\u0430\u0434\u0430\u043b\u043e \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043d\u044b\u043c\u0438 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430\u043c\u0438 \u0432 \u043f\u043b\u0430\u043d\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u0438 \u0438 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0435\u043c\u043a\u043e\u0441\u0442\u0438. \u041d\u043e \u0432\u043e\u043f\u0440\u043e\u0441 \u043e \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430 \u0437\u0430\u043f\u0438\u0441\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-33702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"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\udd47Sledov\u00e1n\u00ed stavu SSD v syst\u00e9mech Qsan | ProHoster","description":"Pou\u017e\u00edv\u00e1n\u00ed SSD disk\u016f v oblasti ukl\u00e1d\u00e1n\u00ed dat u\u017e nikoho nep\u0159ekvap\u00ed. 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