{"id":95870,"date":"2020-10-04T13:41:59","date_gmt":"2020-10-04T11:41:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/pochemu-vazhno-proverit-po-na-vashej-shd-vysokoj-dostupnosti-999999"},"modified":"2020-10-04T13:41:59","modified_gmt":"2020-10-04T11:41:59","slug":"pochemu-vazhno-proverit-po-na-vashej-shd-vysokoj-dostupnosti-999999","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/pochemu-vazhno-proverit-po-na-vashej-shd-vysokoj-dostupnosti-999999","title":{"rendered":"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?\" src=\"\/wp-content\/uploads\/2020\/10\/cbd2364e403d3bccdb0a7f05ab3973d7.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\u041a\u0430\u043a\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u0441\u0430\u043c\u0430\u044f \u201c\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0430\u044f\u201d \u0438 \u201c\u0440\u0430\u0431\u043e\u0447\u0430\u044f\u201d? \u0415\u0441\u043b\u0438 \u0421\u0425\u0414 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u0435\u0442 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043d\u0430 99,9999%, \u0442\u043e \u0437\u043d\u0430\u0447\u0438\u0442 \u043b\u0438, \u0447\u0442\u043e \u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043e\u043d\u0430 \u0431\u0443\u0434\u0435\u0442 \u0431\u0435\u0441\u043f\u0435\u0440\u0435\u0431\u043e\u0439\u043d\u043e \u0434\u0430\u0436\u0435 \u0431\u0435\u0437 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u041f\u041e? \u0418\u043b\u0438 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u0438 \u043d\u0443\u0436\u043d\u043e \u0432\u0441\u0435\u0433\u0434\u0430 \u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0441\u0430\u043c\u0443\u044e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u044e\u044e \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0443?&nbsp; \u041f\u043e\u0441\u0442\u0430\u0440\u0430\u0435\u043c\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0438\u0442\u044c \u043d\u0430 \u044d\u0442\u0438 \u0432\u043e\u043f\u0440\u043e\u0441\u044b, \u043e\u043f\u0438\u0440\u0430\u044f\u0441\u044c \u043d\u0430 \u043d\u0430\u0448 \u043e\u043f\u044b\u0442.<\/p>\n<h3>L\u00fchike sissejuhatus<\/h3>\n<p>\u0412\u0441\u0435 \u043c\u044b \u043f\u043e\u043d\u0438\u043c\u0430\u0435\u043c, \u0447\u0442\u043e \u0432 \u043a\u0430\u0436\u0434\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, \u0431\u0443\u0434\u044c \u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0438\u043b\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440 \u0434\u043b\u044f \u043a\u0430\u043a\u043e\u0433\u043e-\u0442\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430, \u0437\u0430\u0447\u0430\u0441\u0442\u0443\u044e \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0442\u0441\u044f \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u0438\/\u0431\u0430\u0433\u0438 \u0438 \u043f\u0440\u043e\u0447\u0438\u0435 \u201c\u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438\u201d, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442, \u043a\u0430\u043a \u043d\u0435 &#171;\u043f\u0440\u043e\u044f\u0432\u0438\u0442\u044c\u0441\u044f&#187; \u0434\u043e \u043a\u043e\u043d\u0446\u0430 \u0441\u043b\u0443\u0436\u0431\u044b \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f, \u0442\u0430\u043a \u0438 \u201c\u0432\u0441\u043a\u0440\u044b\u0442\u044c\u0441\u044f\u201d \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445. \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0438 \u0437\u043d\u0430\u0447\u0438\u043c\u043e\u0441\u0442\u044c \u0442\u0430\u043a\u0438\u0445 \u043d\u044e\u0430\u043d\u0441\u043e\u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u0438 (\u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438) \u041f\u041e \u0438 \u043e\u0442 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u0438 \u0435\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435.&nbsp;<\/p>\n<p>\u0417\u0430\u0447\u0430\u0441\u0442\u0443\u044e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u201c\u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0435 \u0441 \u0437\u0430\u0432\u043e\u0434\u0430\u201d (\u0437\u043d\u0430\u043c\u0435\u043d\u0438\u0442\u043e\u0435 \u2014  &#171;\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u0437\u043d\u0430\u0447\u0438\u0442 \u043d\u0435 \u043b\u0435\u0437\u044c&#187;) \u0438\u043b\u0438 \u0432\u0441\u0435\u0433\u0434\u0430 \u0441\u0442\u0430\u0432\u044f\u0442 \u0441\u0430\u043c\u0443\u044e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u044e\u044e \u0432\u0435\u0440\u0441\u0438\u044e (\u0432 \u0438\u0445 \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u044f\u044f \u0437\u043d\u0430\u0447\u0438\u0442 \u0441\u0430\u043c\u0430\u044f \u0440\u0430\u0431\u043e\u0447\u0430\u044f). \u041c\u044b \u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u0434\u0440\u0443\u0433\u043e\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u2014 \u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0440\u0435\u043b\u0438\u0437 \u043d\u043e\u0442\u044b \u0434\u043b\u044f \u0432\u0441\u0435\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e<noindex><a rel=\"nofollow\" href=\"https:\/\/mclouds.ru\/pricing\/iaas\/\"> pilves mClouds<\/a><\/noindex> seadmestikku ning valime hoolikalt v\u00e4lja sobiva tarkvara iga seadme jaoks.  <\/p>\n<p>Sellise j\u00e4relduseni j\u00f5udsime, nagu \u00f6eldakse, kogemuse kaudu. Oma kogemuse p\u00f5hjal r\u00e4\u00e4gime, miks lubadused 99,9999% usaldusv\u00e4\u00e4rsust laoruumides ei t\u00e4henda midagi, kui te ei j\u00e4lgi \u00f5igeaegselt tarkvara uuendusi ja kirjeldusi. Meie juhtum sobib k\u00f5igi laoruumide kasutajatele, kuna selline olukord v\u00f5ib tekkida iga tootja riistvaraga.<\/p>\n<h3>Uue andmesalvestuss\u00fcsteemi valimine<\/h3>\n<p>\u0412 \u043a\u043e\u043d\u0446\u0435 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0433\u043e\u0434\u0430, \u043a \u043d\u0430\u0448\u0435\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435&nbsp; \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0430\u0441\u044c \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445: \u043c\u043b\u0430\u0434\u0448\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c \u0438\u0437 \u043b\u0438\u043d\u0435\u0439\u043a\u0438 IBM FlashSystem 5000, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0430 \u043c\u043e\u043c\u0435\u043d\u0442 \u043f\u0440\u0438\u043e\u0431\u0440\u0435\u0442\u0435\u043d\u0438\u044f \u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043b\u0430\u0441\u044c Storwize V5010e. \u0421\u0435\u0439\u0447\u0430\u0441 \u043e\u043d\u0430 \u043f\u0440\u043e\u0434\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435\u043c&nbsp; FlashSystem 5010, \u043d\u043e \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u044d\u0442\u043e \u0442\u0430 \u0436\u0435 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u0430\u044f \u0431\u0430\u0437\u0430 \u0441 \u0442\u0435\u043c \u0436\u0435 \u0441\u0430\u043c\u044b\u043c Spectrum Virtualize \u0432\u043d\u0443\u0442\u0440\u0438.&nbsp;<\/p>\n<p>\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u0435\u0434\u0438\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f &#8212; \u044d\u0442\u043e, \u043a\u0441\u0442\u0430\u0442\u0438, \u0438 \u0435\u0441\u0442\u044c \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 IBM FlashSystem. \u0423 \u043c\u043e\u0434\u0435\u043b\u0435\u0439 \u043c\u043b\u0430\u0434\u0448\u0435\u0439 \u0441\u0435\u0440\u0438\u0438&nbsp;\u043e\u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043d\u0435 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u043c\u043e\u0434\u0435\u043b\u0435\u0439 \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445. \u0412\u044b\u0431\u043e\u0440 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u043b\u0438\u0448\u044c \u0434\u0430\u0451\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0443\u044e \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u0443\u044e \u0431\u0430\u0437\u0443, \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0442\u043e\u0442 \u0438\u043b\u0438 \u0438\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b \u0438\u043b\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0441\u0442\u0438. \u041f\u041e \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u0435\u0442 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0439 \u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b \u0434\u043b\u044f \u044d\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b. <\/p>\n<p><img decoding=\"async\" alt=\"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?\" src=\"\/wp-content\/uploads\/2020\/10\/8290e2f24f3ac2428be8fd8953a3b915.png\" style=\"display:block;margin: 0 auto;\" \/>IBM FlashSystem 5010<\/p>\n<p>L\u00fchidalt meie mudelist 5010. See on kahe kontrolleriga algtaseme andmesalvestuss\u00fcsteem. See toetab NLSAS, SAS ja SSD ketaste kasutamist. NVMe ketaste kasutamine selles mudelis ei ole v\u00f5imalik, kuna seda salvestuss\u00fcsteemi turustatakse \u00fclesannete lahendamiseks, kus NVMe ketaste j\u00f5udlus ei ole vajalik.<\/p>\n<p>Seda salvestuss\u00fcsteemi osteti arhivaalide v\u00f5i harva kasutatavate andmete salvestamiseks. Seet\u00f5ttu oli meil piisav standardne funktsionaalsete v\u00f5imaluste komplekt: tasandamine (Easy Tier), Thin Provision. Meid rahuldas ka NLSAS ketaste j\u00f5udlus vahemikus 1000\u20132000 IOPS. <\/p>\n<h3>Meie kogemus - kuidas me ei uuendanud tarkvara \u00f5igel ajal<\/h3>\n<p>N\u00fc\u00fcd aga uuendusest endisest. Ostmise hetkel oli s\u00fcsteemil juba veidi aegunud versioon Spectrum Virtualize tarkvarast, nimelt, <strong>8.2.1.3.<\/strong><\/p>\n<p>\u041c\u044b \u0438\u0437\u0443\u0447\u0438\u043b\u0438 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0438&nbsp;\u0437\u0430\u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043e<strong> 8.2.1.9<\/strong>. Kui oleksime olnud natukenegi kiiremad, poleks seda artiklit kunagi kirjutatud - v\u00e4rskemas versioonis sealset viga ei olnuks. Siiski, teatud p\u00f5hjustel l\u00fckati selle s\u00fcsteemi uuendus edasi.<\/p>\n<p>Kuna uuenduse edasil\u00fckkamine t\u00f5i kaasa \u00e4\u00e4rmiselt ebameeldiva olukorra, nagu selles lingis kirjeldatud: <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ibm.com\/support\/pages\/node\/6172341\"><u>https:\/\/www.ibm.com\/support\/pages\/node\/6172341<\/u><\/a><\/noindex>.&nbsp;<\/p>\n<p>Jah, tolle versiooni tarkvaras oli tegelikult asjakohane nn APAR (Authorized Program Analysis Report) HU02104. See avaldub j\u00e4rgmiselt: koormuse all ja teatud asjaoludel hakkab vahem\u00e4lu \u00fclet\u00e4itumiseks, seej\u00e4rel l\u00e4heb s\u00fcsteem kaitsere\u017eiimi, kus v\u00e4ljastamine ja sisend l\u00fclitatakse v\u00e4lja (Pool). Meie puhul n\u00e4gi see v\u00e4lja nagu kolme ketta v\u00e4ljal\u00fclitamine RAID-grupis, mis t\u00f6\u00f6tab RAID 6 re\u017eiimis. V\u00e4ljal\u00fclitus kestab kuus minutit. Seej\u00e4rel taastatakse juurdep\u00e4\u00e4s Pooletihedusele.<\/p>\n<p>Kui keegi ei tunne IBM Spectrum Virtualize loogiliste \u00fcksuste struktuuri ja nimetamist, r\u00e4\u00e4gin sellest n\u00fc\u00fcd l\u00fchidalt.<\/p>\n<p><img decoding=\"async\" alt=\"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?\" src=\"\/wp-content\/uploads\/2020\/10\/7d288dde279067fa31012d41fb113643.png\" style=\"display:block;margin: 0 auto;\" \/>Loogiliste elementide struktuur SRA-d<\/p>\n<p>Kettad kogunevad gruppidesse, mida nimetatakse MDisk (Managed Disk). MDisk v\u00f5ib olla klassikaline RAID (0,1,10,5,6) v\u00f5i virtuaalne \u2013 DRAID (Distributed RAID). DRAID kasutamine v\u00f5imaldab suurendada massiivi j\u00f5udlust, kuna kasutatakse k\u00f5iki grupi kettaid, ja v\u00e4hendada rebuild'i aega, kuna tuleb taastada ainult teatud plokid, mitte k\u00f5iki andmeid rikutud kettalt.<\/p>\n<p><img decoding=\"async\" alt=\"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?\" src=\"\/wp-content\/uploads\/2020\/10\/a5dabecb4791306910014b0e1e29224c.png\" style=\"display:block;margin: 0 auto;\" \/>Andmiplokkide jaotus kettaste vahel Distributed RAID (DRAID) re\u017eiimis RAID-5.<\/p>\n<p>See diagramm n\u00e4itab DRAID'i rebuild'i loogikat, kui \u00fcks ketas eba\u00f5nnestub:<\/p>\n<p><img decoding=\"async\" alt=\"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?\" src=\"\/wp-content\/uploads\/2020\/10\/7d5db624f766b65cb5931cd08d840401.png\" style=\"display:block;margin: 0 auto;\" \/>DRAID'i rebuild'i loogika \u00fche ketta eba\u00f5nnestumise korral<\/p>\n<p>Seej\u00e4rel moodustavad \u00fcks v\u00f5i mitu MDisk nn Pooli. \u00dche puut\u00f6\u00f6deldes ei soovitata kasutada MDisk'e erineva RAID\/DRAID tasemega \u00fche t\u00fc\u00fcbi kettadel. S\u00fcgavama arutelu j\u00e4tmiseks plaanime r\u00e4\u00e4kida sellest j\u00e4rgmistes artiklites. Ja p\u00f5him\u00f5tteliselt jaguneb Pool Volume'iteks, mis esindatakse blokip\u00f6\u00f6rde protokolli kaudu hostide poole.<\/p>\n<p>Nii et meil tekkis olukord, mida kirjeldatakse <em>APAR HU02104<\/em>, kolme ketta loogilise rikke t\u00f5ttu lakkas MDisk t\u00f6\u00f6tamast, mis omakorda p\u00f5hjustas Pooli ja vastavate mahu rikke.<\/p>\n<p>Kuna need s\u00fcsteemid on \u00fcsna \u00abnutikad\u00bb, saab need \u00fchendada IBM Storage Insightsi pilves\u00fcsteemiga, mis automaatselt, rikke korral, saadab hoolduspalve IBM-i tugiteenusele. Koostatakse pood, ja IBM-i spetsialistid teevad kaugdiagnostikat ning v\u00f5tavad \u00fchendust s\u00fcsteemi kasutajaga.&nbsp;<\/p>\n<p>Selle t\u00f5ttu lahendati k\u00fcsimus \u00fcsna kiiresti ja tugiteenuskeskusest saadi kiire soovitus meie s\u00fcsteemi uuendamiseks juba varem valitud tarkvaraversioonile 8.2.1.9, kus see probleem oli juba lahendatud. See kinnitab <noindex><a rel=\"nofollow\" href=\"https:\/\/public.dhe.ibm.com\/storage\/san\/sanvc\/release_notes\/821_releasenotes.html\"><u>vastavat Release Note'i<\/u><\/a><\/noindex><u>.<\/u><\/p>\n<h3>Kokkuv\u00f5tted ja meie soovitused<\/h3>\n<p>\u041a\u0430\u043a \u0433\u043e\u0432\u043e\u0440\u0438\u0442\u0441\u044f: &#171;\u0445\u043e\u0440\u043e\u0448\u043e \u0442\u043e, \u0447\u0442\u043e \u0445\u043e\u0440\u043e\u0448\u043e \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f&#187;.  \u0411\u0430\u0433 \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0435 \u043d\u0435 \u043e\u0431\u0435\u0440\u043d\u0443\u043b\u0441\u044f \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u044b\u043c\u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c\u0438 \u2014 \u0440\u0430\u0431\u043e\u0442\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0431\u044b\u043b\u0430 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0430 \u0432 \u043a\u0440\u0430\u0442\u0447\u0430\u0439\u0448\u0438\u0435 \u0441\u0440\u043e\u043a\u0438 \u0438 \u0431\u0435\u0437 \u043f\u043e\u0442\u0435\u0440\u0438 \u0434\u0430\u043d\u043d\u044b\u0445. \u0423 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 \u043f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0435 \u043c\u0430\u0448\u0438\u043d\u044b, \u043d\u043e \u0432 \u0446\u0435\u043b\u043e\u043c \u043c\u044b \u0431\u044b\u043b\u0438 \u0433\u043e\u0442\u043e\u0432\u044b \u043a \u0431\u043e\u043b\u0435\u0435 \u043d\u0435\u0433\u0430\u0442\u0438\u0432\u043d\u044b\u043c \u043f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f\u043c, \u0442\u0430\u043a \u043a\u0430\u043a \u0435\u0436\u0435\u0434\u043d\u0435\u0432\u043d\u043e \u0434\u0435\u043b\u0430\u0435\u043c \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u044b\u0435 \u043a\u043e\u043f\u0438\u0438 \u0432\u0441\u0435\u0445 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0445 \u043c\u0430\u0448\u0438\u043d.&nbsp;<\/p>\n<p>Saime kinnitust, et isegi usaldusv\u00e4\u00e4rsed s\u00fcsteemid, mille lubatud k\u00e4ttesaadavus on 99,9999%, vajavad t\u00e4helepanu ja \u00f5igeaegset hooldust. Oleme olukorrast l\u00e4htuvalt teinud endale mitmeid j\u00e4reldusi ning jagame meie soovitusi:<\/p>\n<ul>\n<li>\n<p>Oluline on j\u00e4lgida v\u00e4rskenduste v\u00e4ljalaskmist, tutvuda Release Notes'iga v\u00f5imalike kriitiliste probleemide parandamiseks ja \u00f5igeaegselt teostada planeeritud v\u00e4rskendused. <\/p>\n<p>See on organisatsiooniline ja isegi \u00fcsna ilmne moment, millele ei tohiks ju t\u00e4helepanu p\u00f6\u00f6rata. Siiski, just sellel \"\u00fchetaolisel kohal\" v\u00f5ib \u00fcsna kergesti komistada. Tegelikult on just see moment tekitanud eespool mainitud ebameeldivused. Suhtuge v\u00e4rskendusreegli koostamisse v\u00e4ga t\u00e4helepanelikult ja j\u00e4lgige selle t\u00e4itmist samasuguse t\u00e4helepanuga. See punkt seondub rohkem m\u00f5istega \"distsipliin\".<\/p>\n<\/li>\n<li>\n<p>On alati parem hoida s\u00fcsteem ajakohase tarkvaraversiooniga. Juhul, kui ajakohane ei t\u00e4henda lihtsalt k\u00f5rgemat numbrim\u00e4rki, vaid just hilisema v\u00e4ljalaskekuup\u00e4evaga versiooni.&nbsp;<\/p>\n<p>N\u00e4iteks hoiab IBM oma andmesalvestuss\u00fcsteemide jaoks ajakohasena v\u00e4hemalt kahte tarkvaraversiooni. Selle artikli kirjutamise hetkel on need 8.2 ja 8.3. V\u00e4rskendused 8.2-le ilmuvad varem. J\u00e4rgneb tavaliselt v\u00e4ikese viivitusega analoogne v\u00e4rskendus 8.3-le. <\/p>\n<p>Versioon 8.3 sisaldab mitmeid funktsionaalseid eeliseid, n\u00e4iteks MDisk'i laiendamise v\u00f5imalust (DRAID-re\u017eiimis), uute ketaste lisamisega (see v\u00f5imalus sai k\u00e4tte alates versioonist 8.3.1). See on \u00fcsna p\u00f5hipunkt, kuid versioonis 8.2 seda v\u00f5imalust kahjuks pole.<\/p>\n<\/li>\n<li>\n<p>Kui uuendamine mingil p\u00f5hjusel ei ole v\u00f5imalik, siis soovitab IBM-i tehniline tugi versioonidele Spectrum Virtualize, mis eelnevad versioonidele 8.2.1.9 ja 8.3.1.0 (kus eespool kirjeldatud viga on aktuaalne), v\u00e4hendada s\u00fcsteemi j\u00f5udlust basseini tasemel, nagu on n\u00e4idatud alloleval joonisel (taskufoto on tehtud venekeelses GUI-s). V\u00e4\u00e4rtus 10000 IOPS on n\u00e4itena ja sobitatakse vastavalt teie s\u00fcsteemi omadustele.<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Miks on oluline kontrollida teie k\u00f5rge k\u00e4ttesaadavusega (99,9999%) salvestuss\u00fcsteemi tarkvara?\" src=\"\/wp-content\/uploads\/2020\/10\/74eecdf918c10f61431c2d0f2d462883.png\" style=\"display:block;margin: 0 auto;\" \/>IBM-i salvestuslahenduse j\u00f5udluse piiramine<\/p>\n<ul>\n<li>\n<p>Oluline on \u00f5igesti arvutada andmehoidlate koormus ja v\u00e4ltida \u00fclekoormust. Selleks v\u00f5ib kasutada kas IBM-i suurendajat (kui sellele on juurdep\u00e4\u00e4s), partnerite abi v\u00f5i kolmandate osapoolte ressursse. Samuti on h\u00e4davajalik m\u00f5ista andmehoidla koormuse profiili, kuna j\u00f5udlus MB\/s ja IOPS varieerub s\u00f5ltuvalt v\u00e4hemalt j\u00e4rgmistest parameetritest:<\/p>\n<ul>\n<li>\n<p>operatsiooni t\u00fc\u00fcp: lugemine v\u00f5i kirjutamine,<\/p>\n<\/li>\n<li>\n<p>operatsiooni ploki suurus,<\/p>\n<\/li>\n<li>\n<p>lugemise ja kirjutamise operatsioonide protsentuaalne suhe \u00fcldises sisend-v\u00e4ljundvoo voos.<\/p>\n<\/li>\n<\/ul>\n<p>\u0422\u0430\u043a\u0436\u0435, \u043d\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0432\u043b\u0438\u044f\u0435\u0442 \u043a\u0430\u043a \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0431\u043b\u043e\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445: \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0438\u043b\u0438 \u0432 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u043c \u043f\u043e\u0440\u044f\u0434\u043a\u0435. \u041f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0435\u0441\u0442\u044c \u043f\u043e\u043d\u044f\u0442\u0438\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439. \u042d\u0442\u043e \u0442\u043e\u0436\u0435 \u0436\u0435\u043b\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u044c. \u0412\u0441\u0451 \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043c\u043e\u0447\u044c \u0443\u0432\u0438\u0434\u0435\u0442\u044c \u0441\u043e\u0432\u043e\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0445 \u0441\u043e \u0441\u0447\u0451\u0442\u0447\u0438\u043a\u043e\u0432 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u041e\u0421, \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f, \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432\/\u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u043e\u0432, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0435\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0421\u0423\u0411\u0414 \u0438 \u043f\u0440\u043e\u0447\u0438\u0445 &#171;\u043f\u043e\u0442\u0440\u0435\u0431\u0438\u0442\u0435\u043b\u0435\u0439&#187; \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432.<\/p>\n<\/li>\n<li>\n<p>Ja l\u00f5puks, \u00e4rge unustage tagada, et varukoopiad oleksid ajakohased ja t\u00f6\u00f6tavad. Varundamise ajakava tuleks seadistada vastavalt \u00e4ri n\u00f5uetele RPO ja regulaarselt tuleb kontrollida varukoopiate terviklikkust (paljud varundustarkvara tootjad on oma toodetes rakendanud automaatset kontrolli), et tagada vastuv\u00f5etav RTO. <\/p>\n<\/li>\n<\/ul>\n<p>Ait\u00e4h, et lugesite l\u00f5puni. <br \/>Oleme valmis vastama teie k\u00fcsimustele ja m\u00e4rkustele kommentaarides. samuti<noindex><a rel=\"nofollow\" href=\"https:\/\/bit.ly\/2SvSm2h\"> kutsub teid liituma meie Telegrami kanaliga<\/a><\/noindex>, kus korraldame regulaarselt kampaaniaid (allahindlused IaaS-ile ja loosimised, kus on kuni 100% VPS-i soodustusi), jagame huvitavaid uudiseid ja anname teada uutest artiklitest Habr blogis. <\/p>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/mclouds\/blog\/521500\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0430\u043a\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u0441\u0430\u043c\u0430\u044f \u201c\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0430\u044f\u201d \u0438 \u201c\u0440\u0430\u0431\u043e\u0447\u0430\u044f\u201d? \u0415\u0441\u043b\u0438 \u0421\u0425\u0414 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u0435\u0442 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043d\u0430 99,9999%, \u0442\u043e \u0437\u043d\u0430\u0447\u0438\u0442 \u043b\u0438, \u0447\u0442\u043e \u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043e\u043d\u0430 \u0431\u0443\u0434\u0435\u0442 \u0431\u0435\u0441\u043f\u0435\u0440\u0435\u0431\u043e\u0439\u043d\u043e \u0434\u0430\u0436\u0435 \u0431\u0435\u0437 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u041f\u041e? \u0418\u043b\u0438 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u0438 \u043d\u0443\u0436\u043d\u043e \u0432\u0441\u0435\u0433\u0434\u0430 \u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0441\u0430\u043c\u0443\u044e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u044e\u044e \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0443?&nbsp; \u041f\u043e\u0441\u0442\u0430\u0440\u0430\u0435\u043c\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0438\u0442\u044c \u043d\u0430 \u044d\u0442\u0438 \u0432\u043e\u043f\u0440\u043e\u0441\u044b, \u043e\u043f\u0438\u0440\u0430\u044f\u0441\u044c \u043d\u0430 \u043d\u0430\u0448 \u043e\u043f\u044b\u0442. \u041d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0412\u0441\u0435 \u043c\u044b \u043f\u043e\u043d\u0438\u043c\u0430\u0435\u043c, \u0447\u0442\u043e \u0432 \u043a\u0430\u0436\u0434\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":95871,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-95870","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=\"\u041a\u0430\u043a\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u0441\u0430\u043c\u0430\u044f \u201c\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0430\u044f\u201d \u0438 \u201c\u0440\u0430\u0431\u043e\u0447\u0430\u044f\u201d? 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\u041f\u043e\u0441\u0442\u0430\u0440\u0430\u0435\u043c\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0438\u0442\u044c \u043d\u0430 \u044d\u0442\u0438 \u0432\u043e\u043f\u0440\u043e\u0441\u044b, \u043e\u043f\u0438\u0440\u0430\u044f\u0441\u044c \u043d\u0430 \u043d\u0430\u0448 \u043e\u043f\u044b\u0442.\u041d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u0412\u0441\u0435 \u043c\u044b \u043f\u043e\u043d\u0438\u043c\u0430\u0435\u043c, \u0447\u0442\u043e \u0432 \u043a\u0430\u0436\u0434\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/pochemu-vazhno-proverit-po-na-vashej-shd-vysokoj-dostupnosti-999999\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041f\u043e\u0447\u0435\u043c\u0443 \u0432\u0430\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u041f\u041e \u043d\u0430 \u0432\u0430\u0448\u0435\u0439 \u0421\u0425\u0414 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u0438 (99,9999%) | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041a\u0430\u043a\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u0441\u0430\u043c\u0430\u044f \u201c\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0430\u044f\u201d \u0438 \u201c\u0440\u0430\u0431\u043e\u0447\u0430\u044f\u201d? 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