{"id":97250,"date":"2020-10-17T02:42:24","date_gmt":"2020-10-17T00:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/gotovim-drp-ne-zabudte-uchest-meteorit"},"modified":"2020-10-17T02:42:24","modified_gmt":"2020-10-17T00:42:24","slug":"gotovim-drp-ne-zabudte-uchest-meteorit","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/gotovim-drp-ne-zabudte-uchest-meteorit","title":{"rendered":"Chyst\u00e1me DRP \u2013 nezapome\u0148te zohlednit meteorit","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ruvds\/blog\/523004\/\"><img decoding=\"async\" alt=\"Chyst\u00e1me DRP \u2013 nezapome\u0148te zohlednit meteorit\" src=\"\/wp-content\/uploads\/2020\/10\/fb66454bbc5701daf84a05c5132f9827.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<i>I b\u011bhem katastrofy je v\u017edy \u010das na \u0161\u00e1lek \u010daje<\/i><\/p>\n<p><b>DRP <\/b>(pl\u00e1n obnovy po katastrof\u011b) je n\u011bco, co byste ide\u00e1ln\u011b nikdy nem\u011bli pot\u0159ebovat. Ale pokud n\u00e1hodou migranti v obdob\u00ed p\u00e1\u0159en\u00ed bob\u0159i p\u0159etrhnou hlavn\u00ed optick\u00e9 vl\u00e1kno nebo junior administr\u00e1tor omylem sma\u017ee produktivn\u00ed datab\u00e1zi, definitivn\u011b chcete m\u00edt p\u0159edem p\u0159ipraven\u00fd pl\u00e1n, jak s t\u00edm v\u0161\u00edm nalo\u017eit.<\/p>\n<p>Zat\u00edmco z\u00e1kazn\u00edci v panice za\u010d\u00ednaj\u00ed bombardovat technickou podporu telefon\u00e1ty, junior hled\u00e1 kyanidy, vy s moudr\u00fdm v\u00fdrazem otev\u00edr\u00e1te \u010dervenou ob\u00e1lku a za\u010d\u00edn\u00e1te v\u0161echno d\u00e1vat do po\u0159\u00e1dku.<\/p>\n<p>V tomto p\u0159\u00edsp\u011bvku se chci pod\u011blit o doporu\u010den\u00ed, jak napsat DRP a co by m\u011bl obsahovat. Tak\u00e9 se pod\u00edv\u00e1me na n\u00e1sleduj\u00edc\u00ed v\u011bci:<\/p>\n<ol>\n<li>Nau\u010d\u00edme se myslet jako padouch.<\/li>\n<li>Probereme v\u00fdhody \u0161\u00e1lku \u010daje b\u011bhem apokalypsy.<\/li>\n<li>Promysl\u00edme pohodlnou strukturu DRP.<\/li>\n<li>Pod\u00edv\u00e1me se, jak jej testovat.<\/li>\n<\/ol>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Pro kter\u00e9 spole\u010dnosti to m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9.<\/h2>\n<p>\nJe velmi t\u011b\u017ek\u00e9 stanovit hranici, kdy IT odd\u011blen\u00ed za\u010d\u00edn\u00e1 m\u00edt pot\u0159ebu n\u011b\u010deho takov\u00e9ho. \u0158ekl bych, \u017ee DRP v\u00e1m zaru\u010den\u011b pot\u0159ebn\u00e9, pokud:<\/p>\n<ul>\n<li>Zastaven\u00ed serveru, aplikace nebo ztr\u00e1ta n\u011bjak\u00e9 datab\u00e1ze povede k v\u00fdrazn\u00fdm ztr\u00e1t\u00e1m v podnik\u00e1n\u00ed jako celku.<\/li>\n<li>M\u00e1te plnohodnotn\u00e9 IT odd\u011blen\u00ed. M\u00e1 na mysli odd\u011blen\u00ed jako plnohodnotnou jednotku spole\u010dnosti, s vlastn\u00edm rozpo\u010dtem, a ne jen n\u011bkolik unaven\u00fdch zam\u011bstnanc\u016f, kte\u0159\u00ed spravuj\u00ed s\u00ed\u0165, odstra\u0148uj\u00ed viry a dopl\u0148uj\u00ed tonery do tisk\u00e1ren.<\/li>\n<li>M\u00e1te skute\u010dn\u00fd rozpo\u010det alespo\u0148 na \u010d\u00e1ste\u010dn\u00e9 z\u00e1lohov\u00e1n\u00ed v p\u0159\u00edpad\u011b nouze. <\/li>\n<\/ul>\n<p>\nKdy\u017e IT odd\u011blen\u00ed m\u011bs\u00edce \u017e\u00e1d\u00e1 o p\u00e1r HDD do star\u00e9ho serveru pro z\u00e1lohy, je nepravd\u011bpodobn\u00e9, \u017ee se v\u00e1m poda\u0159\u00ed zorganizovat plnohodnotn\u00fd p\u0159esun nefunk\u010dn\u00ed slu\u017eby na z\u00e1lo\u017en\u00ed kapacity. I zde v\u0161ak bude dokumentace zbyte\u010dn\u011b u\u017eite\u010dn\u00e1.<\/p>\n<h2>Dokumentace je d\u016fle\u017eit\u00e1<\/h2>\n<p>\nZa\u010dn\u011bte s dokumentac\u00ed. P\u0159edpokl\u00e1dejme, \u017ee v\u00e1\u0161 servis b\u011b\u017e\u00ed na skriptu v Perlu, kter\u00fd byl naps\u00e1n p\u0159ed t\u0159emi generacemi administr\u00e1tor\u016f, a nikdo nev\u00ed, jak funguje. Nahromad\u011bn\u00fd technick\u00fd dluh a nedostatek dokumentace v\u00e1m bezpochyby prost\u0159el\u00ed nejen koleno, ale i dal\u0161\u00ed kon\u010detiny, to je sp\u00ed\u0161 ot\u00e1zka \u010dasu.<\/p>\n<p>Jakmile m\u00e1te k dispozici dobr\u00fd popis komponent\u016f slu\u017eby, zkontrolujte statistiky o v\u00fdpadc\u00edch. Tak\u0159ka jist\u011b budou naprosto standardn\u00ed. Nap\u0159\u00edklad se v\u00e1m ob\u010das zapln\u00ed disk, co\u017e zp\u016fsob\u00ed selh\u00e1n\u00ed uzlu, dokud nebude ru\u010dn\u011b vy\u010di\u0161t\u011bn. Nebo se stane, \u017ee bude klientsk\u00fd servis nedostupn\u00fd, proto\u017ee n\u011bkdo op\u011bt zapomn\u011bl prodlou\u017eit certifik\u00e1t, a s nastaven\u00edm Let's Encrypt si nebyl schopen, nebo necht\u011bl poradit.<\/p>\n<h2>Myslete jako diverzant<\/h2>\n<p>\nNejkomplikovan\u011bj\u0161\u00ed \u010d\u00e1st spo\u010d\u00edv\u00e1 v p\u0159edpov\u00edd\u00e1n\u00ed t\u011bch v\u00fdpadk\u016f, kter\u00e9 je\u0161t\u011b nikdy nenastaly, ale potenci\u00e1ln\u011b mohou v\u00e1\u0161 servis zcela ochromit. Zde obvykle hrajeme se spolupracovn\u00edky na padouchy. Vezm\u011bte si hodn\u011b k\u00e1vy a n\u011bco dobr\u00e9ho k j\u00eddlu a zamkn\u011bte se v zaseda\u010dce. Jen se ujist\u011bte, \u017ee v t\u00e9to stejn\u00e9 zaseda\u010dce m\u00e1te zam\u010den\u00e9 in\u017een\u00fdry, kte\u0159\u00ed slu\u017ebu sami nasazovali nebo s n\u00ed pravideln\u011b pracuj\u00ed. Pak na tabuli nebo na pap\u00ed\u0159e za\u010dn\u011bte kreslit v\u0161echny mo\u017en\u00e9 hr\u016fzy, kter\u00e9 se mohou s va\u0161\u00edm servisem st\u00e1t. Nen\u00ed nutn\u00e9 detailn\u011b popisovat konkr\u00e9tn\u00ed ukl\u00edze\u010dku a vytahov\u00e1n\u00ed kabel\u016f, sta\u010d\u00ed zv\u00e1\u017eit sc\u00e9n\u00e1\u0159 \u201eNaru\u0161en\u00ed integrity m\u00edstn\u00ed s\u00edt\u011b\u201c.<\/p>\n<p>Obvykle se v\u011bt\u0161ina typick\u00fdch havarijn\u00edch situac\u00ed vejde do n\u00e1sleduj\u00edc\u00edch typ\u016f:<\/p>\n<ul>\n<li>Selh\u00e1n\u00ed s\u00edt\u011b<\/li>\n<li>Selh\u00e1n\u00ed slu\u017eeb OS<\/li>\n<li>Selh\u00e1n\u00ed aplikace<\/li>\n<li>Selh\u00e1n\u00ed hardwaru<\/li>\n<li>Selh\u00e1n\u00ed virtualizace<\/li>\n<\/ul>\n<p>\nJednodu\u0161e projdete ka\u017ed\u00fd typ a zjist\u00edte, co se vztahuje k va\u0161emu servisu. Nap\u0159\u00edklad m\u016f\u017ee spadnout a neochotn\u011b se zvednout d\u00e9mon Nginx \u2013 to spad\u00e1 pod selh\u00e1n\u00ed na stran\u011b OS. M\u00e9n\u011b obvykl\u00e1 situace, kter\u00e1 dostane va\u0161i webovou aplikaci do nefunk\u010dn\u00edho stavu \u2013 selh\u00e1n\u00ed SW. B\u011bhem zpracov\u00e1n\u00ed t\u00e9to f\u00e1ze je d\u016fle\u017eit\u00e9 pracovat na diagnostice probl\u00e9mu. Jak rozli\u0161it zablokovan\u00e9 u\u017eivatelsk\u00e9 rozhran\u00ed na virtualizaci od zkolabovan\u00e9ho Cisco a hav\u00e1rie v s\u00edti, nap\u0159\u00edklad. Je to d\u016fle\u017eit\u00e9 pro rychl\u00e9 nalezen\u00ed odpov\u011bdn\u00fdch osob a zah\u00e1jen\u00ed jejich t\u00e1hnut\u00ed za ocas, dokud nebude hav\u00e1rie odstran\u011bna.<\/p>\n<p>Jakmile jsou typick\u00e9 probl\u00e9my zaznamen\u00e1ny, nalijeme si dal\u0161\u00ed k\u00e1vu a za\u010dneme zkoumat nejpodivn\u011bj\u0161\u00ed sc\u00e9n\u00e1\u0159e, kdy n\u011bkter\u00e9 parametry za\u010dnou v\u00fdrazn\u011b p\u0159ekra\u010dovat normu. Nap\u0159\u00edklad:<\/p>\n<ul>\n<li>Co se stane, pokud se \u010das na aktivn\u00edm uzlu posune o minutu zp\u011bt ve srovn\u00e1n\u00ed s ostatn\u00edmi v clusteru?<\/li>\n<li>A co kdy\u017e se \u010das posune dop\u0159edu, a co kdy\u017e o 10 let?<\/li>\n<li>Co se stane, pokud b\u011bhem synchronizace uzel clusteru n\u00e1hle ztrat\u00ed s\u00ed\u0165?<\/li>\n<li>A co se stane, pokud si dv\u011b uzly nebudou moci rozd\u011blit veden\u00ed kv\u016fli do\u010dasn\u00e9 izolaci v s\u00edti? <\/li>\n<\/ul>\n<p>\nV t\u00e9to f\u00e1zi velmi pom\u00e1h\u00e1 p\u0159\u00edstup z opa\u010dn\u00e9 strany. Vezmete nejzap\u00e1len\u011bj\u0161\u00edho \u010dlena t\u00fdmu s bujnou fantazi\u00ed a d\u00e1te mu \u00fakol v co nejkrat\u0161\u00edm \u010dase napl\u00e1novat diverzi, kter\u00e1 zastav\u00ed slu\u017ebu. \u010c\u00edm obt\u00ed\u017en\u011bji se to bude diagnostikovat, t\u00edm l\u00e9pe. Neuv\u011b\u0159\u00edte, jak\u00e9 zvl\u00e1\u0161tn\u00ed a skv\u011bl\u00e9 n\u00e1pady in\u017een\u00fd\u0159i navrhuj\u00ed, pokud jim d\u00e1te my\u0161lenku n\u011bco rozb\u00edt. A pokud jim sl\u00edb\u00edte testovac\u00ed stanovi\u0161t\u011b, bude to je\u0161t\u011b lep\u0161\u00ed.<\/p>\n<h2>Co je to v\u00e1\u0161 DRP?!<\/h2>\n<p>\nTak\u017ee jste ur\u010dili model hrozeb. Zohlednili jste i m\u00edstn\u00ed obyvatele, kte\u0159\u00ed p\u00edl\u00ed optick\u00e9 kabely v honb\u011b za m\u011bd\u00ed, a vojensk\u00fd radar, kter\u00fd shazuje radiorel\u00e9ovou linku p\u0159esn\u011b v p\u00e1tek v 16:46. Te\u010f mus\u00edte pochopit, co s t\u00edm v\u0161\u00edm d\u011blat.<\/p>\n<p>Va\u0161\u00edm \u00fakolem je napsat ty \u010derven\u00e9 ob\u00e1lky, kter\u00e9 se otev\u0159ou v p\u0159\u00edpad\u011b nouze. Po\u010d\u00edtejte s t\u00edm, \u017ee a\u017e (ne pokud!) se v\u0161echno pokaz\u00ed, bude pobl\u00ed\u017e jen nejm\u00e9n\u011b zku\u0161en\u00fd st\u00e1\u017eista, kter\u00e9mu se budou ruce trhat hr\u016fzou. Pod\u00edvejte se, jak jsou realizov\u00e1ny nouzov\u00e9 tabulky v l\u00e9ka\u0159sk\u00fdch ordinac\u00edch. Nap\u0159\u00edklad, co d\u011blat v p\u0159\u00edpad\u011b anafylaktick\u00e9ho \u0161oku. Zdravotnick\u00fd person\u00e1l zn\u00e1 v\u0161echny protokoly zpam\u011bti, ale kdy\u017e n\u011bkdo vedle um\u00edr\u00e1, \u010dasto se bezradn\u011b chytaj\u00ed v\u0161eho, co maj\u00ed po ruce. Na st\u011bn\u011b proto vis\u00ed jasn\u00fd pokyn s body jako \u201eotev\u0159\u00edt balen\u00ed toho a toho\u201c a \u201evst\u0159\u00edknout intraven\u00f3zn\u011b tolik a tolik jednotek l\u00e9ku\u201c.<\/p>\n<blockquote><p>V nouzov\u00e9 situaci se t\u011b\u017eko p\u0159em\u00fd\u0161l\u00ed! Mus\u00ed existovat jednoduch\u00e9 instrukce pro zpracov\u00e1n\u00ed mozkovou substantivou.<\/p><\/blockquote>\n<p>\nDobr\u00fd DRP se skl\u00e1d\u00e1 z n\u011bkolika jednoduch\u00fdch blok\u016f:<\/p>\n<ol>\n<li>Koho upozornit na za\u010d\u00e1tek hav\u00e1rie. To je d\u016fle\u017eit\u00e9 pro co nejv\u011bt\u0161\u00ed paralelizaci procesu odstran\u011bn\u00ed.<\/li>\n<li>Jak spr\u00e1vn\u011b diagnostikovat \u2014 prov\u00e1d\u00edme trasov\u00e1n\u00ed, d\u00edv\u00e1me se na systemctl status servicename a tak d\u00e1le.<\/li>\n<li>Kolik \u010dasu lze str\u00e1vit na ka\u017ed\u00e9 f\u00e1zi. Pokud se v\u00e1m neda\u0159\u00ed opravit ru\u010dn\u011b v r\u00e1mci SLA \u2014 virtu\u00e1ln\u00ed stroj je zlikvidov\u00e1n a obnovuje se z v\u010derej\u0161\u00ed z\u00e1lohy.<\/li>\n<li>Jak se ujistit, \u017ee je hav\u00e1rie ukon\u010dena.<\/li>\n<\/ol>\n<p>\nPamatujte, \u017ee DRP za\u010d\u00edn\u00e1, kdy\u017e slu\u017eba \u00fapln\u011b sel\u017ee, a kon\u010d\u00ed obnoven\u00edm funk\u010dnosti, i kdy\u017e se sn\u00ed\u017eenou efektivitou. Pouh\u00e1 ztr\u00e1ta rezervace by nem\u011bla aktivovat DRP. M\u016f\u017eete do DRP zahrnout i \u0161\u00e1lek \u010daje. Opravdu. Podle statistik se mnoh\u00e9 hav\u00e1rie m\u011bn\u00ed z nep\u0159\u00edjemn\u00fdch na katastrofick\u00e9, proto\u017ee person\u00e1l v panice za\u010d\u00edn\u00e1 n\u011bco opravovat, p\u0159i\u010dem\u017e ni\u010d\u00ed posledn\u00ed \u017eivou nodu s daty nebo definitivn\u011b ni\u010d\u00ed cluster. Obvykle p\u011bt minut na \u0161\u00e1lek \u010daje v\u00e1m d\u00e1 \u010das na uklidn\u011bn\u00ed a anal\u00fdzu situace.<\/p>\n<p>Nesm\u00edte zam\u011b\u0148ovat DRP a syst\u00e9mov\u00fd pas! Nep\u0159epl\u0148ujte jej zbyte\u010dn\u00fdmi \u00fadaji. Sta\u010d\u00ed umo\u017enit rychl\u00e9 a pohodln\u00e9 p\u0159echody na p\u0159\u00edslu\u0161n\u00e9 \u010d\u00e1sti dokumentace prost\u0159ednictv\u00edm hypertextov\u00fdch odkaz\u016f a \u010d\u00edst o d\u016fle\u017eit\u00fdch \u010d\u00e1stech architektury slu\u017eby v roz\u0161\u00ed\u0159en\u00e9m form\u00e1tu. V samotn\u00e9m DRP by m\u011bly b\u00fdt pouze p\u0159\u00edm\u00e9 pokyny, kam a jak se p\u0159ipojit s konkr\u00e9tn\u00edmi p\u0159\u00edkazy na kop\u00edrov\u00e1n\u00ed.<\/p>\n<h2>Jak spr\u00e1vn\u011b testovat<\/h2>\n<p>\nUjist\u011bte se, \u017ee ka\u017ed\u00fd odpov\u011bdn\u00fd zam\u011bstnanec je schopen splnit v\u0161echny body. V nejkriti\u010dt\u011bj\u0161\u00edm okam\u017eiku m\u016f\u017ee b\u00fdt, \u017ee in\u017een\u00fdr nem\u00e1 p\u0159\u00edstupov\u00e1 pr\u00e1va do pot\u0159ebn\u00e9ho syst\u00e9mu, chyb\u011bj\u00ed mu hesla k pot\u0159ebn\u00fdm \u00fa\u010dt\u016fm, nebo nem\u00e1 pon\u011bt\u00ed, co znamen\u00e1 \u201eP\u0159ipojte se na konzoli \u0159\u00edzen\u00ed slu\u017eby p\u0159es proxy v centr\u00e1le\u201c. Ka\u017ed\u00fd bod mus\u00ed b\u00fdt naprosto jednoduch\u00fd.<\/p>\n<p><b>\u0160patn\u011b <\/b> \u2014 \u201eP\u0159ejd\u011bte na virtualizaci a restartujte mrtvou nodu\u201c<br \/>\n<b>Spr\u00e1vn\u011b <\/b> \u2014 \u201eP\u0159ipojte se p\u0159es webov\u00e9 rozhran\u00ed na virt.example.com, v \u010d\u00e1sti nody prove\u010fte restart nodu, kter\u00e1 hl\u00e1s\u00ed chybu\u201c.<\/p>\n<p>Nedovolte dvojzna\u010dnosti. Pamatujte na vystra\u0161en\u00e9ho st\u00e1\u017eistu.<\/p>\n<p>Povinn\u011b testujte DRP. Nen\u00ed to jen pl\u00e1n pro forma \u2014 to, co v\u00e1m a va\u0161im klient\u016fm umo\u017en\u00ed rychle se dostat z kritick\u00e9 situace. Optim\u00e1ln\u011b to ud\u011blejte n\u011bkolikr\u00e1t:<\/p>\n<ul>\n<li>Jeden expert a n\u011bkolik st\u00e1\u017eist\u016f pracuj\u00ed na testovac\u00edm standu, kter\u00fd co nejv\u00edce imituje skute\u010dnou slu\u017ebu. Expert naru\u0161uje slu\u017ebu r\u016fzn\u00fdmi zp\u016fsoby a d\u00e1v\u00e1 st\u00e1\u017eist\u016fm mo\u017enost ji obnovit podle DRP. V\u0161echny probl\u00e9my, nejasnosti v dokumentaci a chyby jsou zaznamen\u00e1ny. Po \u0161kolen\u00ed st\u00e1\u017eist\u016f je DRP dopln\u011bno a zjednodu\u0161eno na nejasn\u00fdch m\u00edstech.<\/li>\n<li>Testov\u00e1n\u00ed na re\u00e1ln\u00e9m serveru. Ve skute\u010dnosti nikdy nelze vytvo\u0159it dokonalou kopii skute\u010dn\u00e9 slu\u017eby. Proto je t\u0159eba n\u011bkolikr\u00e1t ro\u010dn\u011b pl\u00e1novan\u011b vypnout \u010d\u00e1st server\u016f, p\u0159eru\u0161it p\u0159ipojen\u00ed a prov\u00e1d\u011bt dal\u0161\u00ed hav\u00e1rie ze seznamu hrozeb, aby se posoudil proces obnoven\u00ed. Lep\u0161\u00ed pl\u00e1novan\u00e1 hav\u00e1rie na 10 minut uprost\u0159ed noci, ne\u017e n\u00e1hl\u00e9 selh\u00e1n\u00ed na n\u011bkolik hodin b\u011bhem \u0161pi\u010dky s ztr\u00e1tou dat.<\/li>\n<li>Skute\u010dn\u00e9 odstran\u011bn\u00ed hav\u00e1rie. Ano, to je tak\u00e9 sou\u010d\u00e1st testov\u00e1n\u00ed. Pokud dojde k hav\u00e1rii, kter\u00e1 se nenach\u00e1zela v seznamu hrozeb, je t\u0159eba dodate\u010dn\u011b doplnit a upravit DRP na z\u00e1klad\u011b v\u00fdsledk\u016f jej\u00edho vy\u0161et\u0159ov\u00e1n\u00ed.<\/li>\n<\/ul>\n<p><\/p>\n<h2>Kl\u00ed\u010dov\u00e9 body<\/h2>\n<p><\/p>\n<ol>\n<li>Pokud se m\u016f\u017ee st\u00e1t probl\u00e9m, nejen\u017ee se stane, ale stane se to t\u00edm nejkatastrof\u00e1ln\u011bj\u0161\u00edm sc\u00e9n\u00e1\u0159em.<\/li>\n<li>Ujist\u011bte se, \u017ee m\u00e1te zdroje pro havarijn\u00ed p\u0159et\u00ed\u017een\u00ed.<\/li>\n<li>Ujist\u011bte se, \u017ee m\u00e1te z\u00e1lohy, kter\u00e9 se automaticky vytv\u00e1\u0159ej\u00ed a pravideln\u011b kontroluj\u00ed na konzistenci.<\/li>\n<li>Promyslete typick\u00e9 sc\u00e9n\u00e1\u0159e hrozeb.<\/li>\n<li>Dejte mo\u017enost in\u017een\u00fdr\u016fm vymyslet netypick\u00e9 varianty, kter\u00e9 mohou slu\u017ebu ohrozit.<\/li>\n<li>DRP by m\u011bl b\u00fdt jednoduch\u00fdm a jasn\u00fdm pokynem. Ve\u0161ker\u00e1 slo\u017eit\u00e1 diagnostika a\u017e pot\u00e9, co se slu\u017eba obnovila pro klienty. Klidn\u011b i na z\u00e1lo\u017en\u00edch kapacit\u00e1ch.<\/li>\n<li>Uve\u010fte kl\u00ed\u010dov\u00e1 telefonn\u00ed \u010d\u00edsla a kontakty v DRP.<\/li>\n<li>Pravideln\u011b testujte zam\u011bstnance na pochopen\u00ed DRP.<\/li>\n<li>Uskute\u010d\u0148ujte pl\u00e1novan\u00e9 hav\u00e1rie na produkci. St\u00e1nky nemohou nahradit v\u0161echno.<\/li>\n<\/ol>\n<p>\n<noindex><a rel=\"nofollow\" href=\"http:\/\/ruvds.com\/ru-rub?utm_source=habr&amp;utm_medium=article&amp;utm_campaign=meklon&amp;utm_content=plan_po_likvidacii_posledstvij_katastrofy#order\"><img decoding=\"async\" alt=\"Chyst\u00e1me DRP \u2013 nezapome\u0148te zohlednit meteorit\" src=\"\/wp-content\/uploads\/2020\/10\/3197779ad6b4e148ea0b5a7c6a906e02.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/ruvds.com\/ru-rub\/news\/read\/123?utm_source=habr&amp;utm_medium=article&amp;utm_campaign=meklon&amp;utm_content=plan_po_likvidacii_posledstvij_katastrofy\"><img decoding=\"async\" alt=\"Chyst\u00e1me DRP \u2013 nezapome\u0148te zohlednit meteorit\" src=\"\/wp-content\/uploads\/2020\/10\/714c3d3917a9a58f7fb14d97c3edd783.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ruvds\/blog\/523570\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u0430\u0436\u0435 \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u043a\u0430\u0442\u0430\u0441\u0442\u0440\u043e\u0444\u044b \u0432\u0441\u0435\u0433\u0434\u0430 \u0435\u0441\u0442\u044c \u0432\u0440\u0435\u043c\u044f \u043d\u0430 \u0447\u0430\u0448\u043a\u0443 \u0447\u0430\u044f DRP (disaster recovery plan) \u2014 \u044d\u0442\u043e \u0448\u0442\u0443\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0432 \u0438\u0434\u0435\u0430\u043b\u0435 \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u0441\u044f. \u041d\u043e \u0435\u0441\u043b\u0438 \u0432\u0434\u0440\u0443\u0433 \u043c\u0438\u0433\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432 \u0431\u0440\u0430\u0447\u043d\u044b\u0439 \u043f\u0435\u0440\u0438\u043e\u0434 \u0431\u043e\u0431\u0440\u044b \u043f\u0435\u0440\u0435\u0433\u0440\u044b\u0437\u0443\u0442 \u043c\u0430\u0433\u0438\u0441\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0435 \u043e\u043f\u0442\u043e\u0432\u043e\u043b\u043e\u043a\u043d\u043e \u0438\u043b\u0438 \u0434\u0436\u0443\u043d\u0438\u043e\u0440-\u0430\u0434\u043c\u0438\u043d \u0434\u0440\u043e\u043f\u043d\u0435\u0442 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0438\u0432\u043d\u0443\u044e \u0431\u0430\u0437\u0443, \u0432\u044b \u0442\u043e\u0447\u043d\u043e \u0445\u043e\u0442\u0438\u0442\u0435 \u0431\u044b\u0442\u044c \u0443\u0432\u0435\u0440\u0435\u043d\u044b, \u0447\u0442\u043e \u0443 \u0432\u0430\u0441 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u043f\u043b\u0430\u043d, \u0447\u0442\u043e \u0441 \u044d\u0442\u0438\u043c \u0432\u0441\u0435\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":97251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-97250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\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\/cs\/blog\/administrirovanie\/gotovim-drp-ne-zabudte-uchest-meteorit\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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