{"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\/it\/blog\/administrirovanie\/monitoring-sostoyaniya-ssd-v-massivah-qsan","title":{"rendered":"Monitoraggio dello stato degli SSD nei sistemi Qsan","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'uso di unit\u00e0 a stato solido nel campo dello storage non sorprende pi\u00f9 nessuno. Gli SSD sono diventati parte integrante dell'hardware IT, dai computer personali e laptop ai server e sistemi di storage. Nel corso del tempo, ci sono stati diversi sviluppi degli SSD, ognuno dei quali ha introdotto miglioramenti in termini di prestazioni, affidabilit\u00e0 e capacit\u00e0 massima. Tuttavia, la questione del monitoraggio delle risorse di scrittura degli SSD rimane ancora attuale.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoraggio dello stato degli SSD nei sistemi Qsan\" src=\"\/wp-content\/uploads\/2019\/05\/1964c1858b3c3e37ebfe44a72d8306ba.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Gli SSD, a causa della loro struttura fisica, hanno una risorsa di scrittura limitata. Inoltre, il fatto che su un SSD venga effettivamente scritto un volume di dati notevolmente superiore a quello inviato dal host (soprattutto all'interno di un gruppo RAID), ci avvicina ulteriormente al limite stabilito. Questa situazione rappresenta una sorta di timore per alcuni utenti nei confronti dell'utilizzo degli SSD.<\/p>\n<p><\/p>\n<p>In realt\u00e0, non \u00e8 tutto cos\u00ec male. La risorsa calcolata DWPD \u00e8 fornita per l'intero periodo di garanzia del disco (di solito 3-5 anni). Pertanto, la reale risorsa di scrittura TBW sar\u00e0 piuttosto significativa, il che consente di non temere di \"consumare\" un SSD in pochi mesi. Inoltre, in alcuni casi, \u00e8 possibile utilizzare temporaneamente i dischi in modo pi\u00f9 intensivo rispetto a quanto previsto dal produttore, proprio grazie ai valori elevati di TBW. Tuttavia, tutto ci\u00f2 non elimina la necessit\u00e0 di monitorare la risorsa di scrittura attuale di ciascun SSD specifico al fine di sostituirlo proattivamente al raggiungimento di determinati limiti.<\/p>\n<p><\/p>\n<p>Ogni vendor di storage implementa questa funzionalit\u00e0 a modo suo. Ma pi\u00f9 frequentemente si tratta semplicemente di un attributo del disco: funzionante\/non funzionante. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.qsan.su\/\">Qsan<\/a><\/noindex> nelle sue <noindex><a rel=\"nofollow\" href=\"https:\/\/qsan.su\/goods\/all-flash-massivy\/xcubefas-xf2026d.html\">sistemi All Flash<\/a><\/noindex>, al contrario, ha realizzato una completa visualizzazione dei parametri di attivit\u00e0 attuale degli SSD sotto forma di un modulo separato chiamato QSLife. Questo modulo \u00e8 una parte integrante del nuovo sistema operativo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.qsan.com\/landingPages\/en\/xevo-os\/\">XEVO<\/a><\/noindex>, sotto il quale in futuro funzioneranno tutti i sistemi di storage Qsan.<\/p>\n<p><\/p>\n<p>Per ogni SSD nel sistema, viene visualizzato il \"livello di vita\" attuale nella forma massimamente accessibile. Non \u00e8 un segreto che tutti gli SSD moderni registrino i blocchi scritti al loro interno. Sulla base di questi valori, il sistema calcola il tasso di usura dell'unit\u00e0 in base alla sua partizionamento. Il risultato finale viene mostrato come una percentuale rispetto a un SSD completamente nuovo. \u00c8 importante notare che il tasso di usura viene calcolato non solo per il periodo in cui l'unit\u00e0 ha lavorato all'interno del sistema All Flash Qsan, ma per l'intera durata della sua vita, inclusa l'attivit\u00e0 in altri sistemi (se presente).<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoraggio dello stato degli SSD nei sistemi Qsan\" src=\"\/wp-content\/uploads\/2019\/05\/0288e16695d4aaec439330e926425c2c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Oltre alle informazioni semplificate sull'unit\u00e0, \u00e8 possibile ottenere anche alcuni dettagli. In particolare, la quantit\u00e0 di dati scritti nel corso della sua vita. E per il tempo in cui l'unit\u00e0 ha lavorato all'interno di <noindex><a rel=\"nofollow\" href=\"https:\/\/qsan.su\/goods\/all-flash-massivy\/xcubefas-xf2026d.html\">All Flash Qsan<\/a><\/noindex>, sono disponibili grafici delle sue operazioni di lettura e scrittura. Le statistiche vengono raccolte in tempo reale e sono disponibili per qualsiasi periodo con una profondit\u00e0 di visualizzazione fino a un anno.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoraggio dello stato degli SSD nei sistemi Qsan\" src=\"\/wp-content\/uploads\/2019\/05\/6a753b90d1357fa16b78d9a674dd3aaf.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Naturalmente, l'obiettivo di questa funzionalit\u00e0 non \u00e8 solo quello di creare grafici accattivanti per il piacere dell'amministratore, ma anche di analizzare in modo proattivo lo stato dei dispositivi di archiviazione e prevenire potenziali problemi futuri legati al loro usura. Pertanto, riguardo al \"livello di vita\" degli SSD, \u00e8 possibile impostare numerosi parametri e azioni correlate all'esaurimento delle risorse di scrittura degli SSD.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoraggio dello stato degli SSD nei sistemi Qsan\" src=\"\/wp-content\/uploads\/2019\/05\/a5738bf6a4cbf4bfc1e7ba6f7bc0dcc3.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Se ci si concentra su altri modelli di storage (non specializzati All Flash, ma di uso generale) <noindex><a rel=\"nofollow\" href=\"https:\/\/qsan.su\/goods\/sistemyi-xraneniya-dannyix\/\">di Qsan<\/a><\/noindex>, non troverai un rapporto visualizzato simile per i dispositivi di archiviazione. \u00c8 comprensibile: il flagship deve in qualche modo differenziarsi dal mainstream. Tuttavia, anche nella gamma regolare di prodotti viene effettuato un monitoraggio simile. S\u00ec, senza la raccolta di statistiche sull'uso e sulle prestazioni. Ma la funzione principale di monitoraggio delle risorse di scrittura \u00e8 presente.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Monitoraggio dello stato degli SSD nei sistemi Qsan\" src=\"\/wp-content\/uploads\/2019\/05\/17dbb893f33b93b75b25781ddd98423d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<blockquote><p>Con il continuo miglioramento delle tecnologie di produzione degli SSD, la questione della loro affidabilit\u00e0 \u00e8 diventata meno pressante. Tuttavia, rimane attuale il monitoraggio delle risorse di scrittura. Un monitoraggio ben configurato permetter\u00e0 all'amministratore di prevedere l'invecchiamento degli SSD in base ai carichi reali correnti e alla direzione dell'azienda di calcolare i valori TCO (costo totale di possesso).<\/p><\/blockquote>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/skilline\/blog\/451748\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&hellip;]<\/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<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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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Gli SSD sono ormai una presenza consolidata tra le attrezzature IT, dai computer personali e laptop ai server e sistemi di storage. Nel frattempo, diverse generazioni di SSD si sono susseguite, ognuna delle quali ha presentato caratteristiche migliorate in termini di prestazioni, affidabilit\u00e0 e capacit\u00e0 massima. 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