{"id":2106,"date":"2018-12-17T14:11:24","date_gmt":"2018-12-17T13:11:24","guid":{"rendered":"https:\/\/www.websupport.sk\/podpora\/?post_type=ht_kb&p=2106"},"modified":"2023-07-11T14:49:52","modified_gmt":"2023-07-11T12:49:52","slug":"zalohovanie-a-snapshoty","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.sk\/podpora\/kb\/zalohovanie-a-snapshoty\/","title":{"rendered":"Z\u00e1lohovanie a snapshoty"},"content":{"rendered":"\n

Kombin\u00e1cia slu\u017eby Z\u00e1lohovanie a snapshotov je spo\u013eahliv\u00fdm sp\u00f4sobom, ako udr\u017ea\u0165 Va\u0161e d\u00e1ta a stav OS v bezpe\u010d\u00ed, napr\u00edklad pri pr\u00e1ci s d\u00e1tami, \u010di be\u017enej \u00fadr\u017ebe servera a aktualiz\u00e1ci\u00e1ch. Ako sa od seba l\u00fd\u0161ia? Obe maj\u00fa svoje vyu\u017eitie a \u0161pecifik\u00e1cie, ktor\u00e9 si predstav\u00edme v tomto \u010dl\u00e1nku.<\/p>\n\n\n\n

Z\u00c1LOHOVANIE<\/h2>\n\n\n\n

Z\u00e1lohovanie sl\u00fa\u017ei na bezpe\u010dn\u00e9 ukladanie d\u00e1t V\u00e1\u0161ho servera, ktor\u00e9 sa vykon\u00e1va prostredn\u00edctvom vyhradenej optickej siete do druh\u00e9ho datacentra<\/a> nach\u00e1dzaj\u00faceho sa v inej lokalite Bratislavy. Z\u00e1lohy s\u00fa vykon\u00e1van\u00e9 na \u00farovni s\u00faborov\u00e9ho syst\u00e9mu cez rsync nad v\u0161etk\u00fdmi adres\u00e1rmi (okrem t\u00fdch, kde je v ceste „cache“), pri\u010dom je mo\u017en\u00e9 vy\u0148a\u0165 adres\u00e1re, ktor\u00e9 z\u00e1lohova\u0165 nepotrebujete. Okrem toho sa z\u00e1lohuj\u00fa aj datab\u00e1zy vo forme tzv. dumpov. Tak\u00e9to z\u00e1lohy s\u00fa preto vhodn\u00e9 napr\u00edklad na obnovu V\u00e1\u0161ho webu<\/a>, \u010di niektorej jeho s\u00fa\u010dasti.<\/p>\n\n\n\n

Z\u00e1lohy s\u00fa v z\u00e1kladnom nastaven\u00ed dostupn\u00e9 po dobu 14 dn\u00ed, pri\u010dom sa \u00faplne prv\u00e1 z\u00e1loha vykon\u00e1va kompletne a \u010fal\u0161ie s\u00fa len rozdielov\u00e9 – vytvor\u00ed sa z\u00e1loha s\u00faborov, ktor\u00e9 boli re\u00e1lne zmenen\u00e9, nako\u013eko z\u00e1lohu ostatn\u00fdch s\u00faborov u\u017e m\u00e1te vytvoren\u00fa. Zni\u017euje sa tak potrebn\u00e1 celkov\u00e1 ve\u013ekos\u0165 kapacity z\u00e1lohovania. Po\u010det dn\u00ed, po\u010das ktor\u00fdch s\u00fa jednotliv\u00e9 z\u00e1lohy dostupn\u00e9, je mo\u017en\u00e9 nastavi\u0165 od 3 do 14. Ak m\u00e1te z\u00e1ujem t\u00fato hodnotu upravi\u0165, kontaktujte pros\u00edm na\u0161u z\u00e1kazn\u00edcku podporu, ktor\u00e1 v\u00e1m s t\u00fdm rada pom\u00f4\u017ee.

Z\u00e1lohy s\u00fa pri linuxov\u00fdch distrib\u00faciach dostupn\u00e9 ako mountpoint \/backup, bli\u017e\u0161ie inform\u00e1cie o tom ako sa k z\u00e1loh\u00e1m dostanete n\u00e1jdete v tomto \u010dl\u00e1nku<\/a>.<\/p>\n\n\n\n

SNAPSHOTY<\/h2>\n\n\n\n

Snapshoty sl\u00fa\u017eia prim\u00e1rne na ulo\u017eenie stavu OS V\u00e1\u0161ho virtu\u00e1lneho servera, ide v\u0161ak o zachytenie stavu cel\u00e9ho disku. Vyu\u017eijete ich napr\u00edklad po zlyhanej aktualiz\u00e1cii niektorej s\u00fa\u010dasti VPS, \u010di ne\u017eiadanej zmene konfigur\u00e1cie.<\/p>\n\n\n\n

Pri obnove zo snapshotu sa vr\u00e1ti cel\u00fd image disku do stavu z \u010dasu, kedy bol snapshot vytvoren\u00fd – nie je teda mo\u017en\u00e9 vybra\u0165 konkr\u00e9tne adres\u00e1re a s\u00fabory, ako v pr\u00edpade slu\u017eby Z\u00e1lohovanie. Ka\u017ed\u00fd snapshot m\u00e1 \u017eivotnos\u0165 28 dn\u00ed, pri\u010dom jeden z\u00edskavate k v\u00e1\u0161mu serveru automaticky zadarmo – \u010fal\u0161ie si m\u00f4\u017eete kedyko\u013evek dok\u00fapi\u0165 v cene 4.9 EUR \/ mesiac. <\/p>\n\n\n\n

M\u00f4\u017eete si napr\u00edklad predstavi\u0165 svoj pracovn\u00fd st\u00f4l, na ktorom m\u00e1te rozlo\u017een\u00e9 r\u00f4zne veci. Chystaj\u00fa sa ku V\u00e1m maliari, tak si sprav\u00edte fotografiu cel\u00e9ho stola – ke\u010f zist\u00edte, \u017ee nie\u010do nie je na svojom mieste, m\u00e1te svoju fotografiu pod\u013ea ktorej viete veci na stole posklada\u0165 tak, ako boli. To s\u00fa snapshoty. Ak by V\u00e1m v\u0161ak napr\u00edklad rozbili ob\u013e\u00faben\u00fd hrn\u010dek, otvor\u00edte z\u00e1suvku a vytiahnete nov\u00fd zo z\u00e1lohy, m\u00e1te ich predsa 14.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kombin\u00e1cia slu\u017eby Z\u00e1lohovanie a snapshotov je spo\u013eahliv\u00fdm sp\u00f4sobom, ako udr\u017ea\u0165 Va\u0161e d\u00e1ta a stav OS v bezpe\u010d\u00ed, napr\u00edklad pri pr\u00e1ci s d\u00e1tami, \u010di be\u017enej \u00fadr\u017ebe servera a aktualiz\u00e1ci\u00e1ch. Ako sa od seba l\u00fd\u0161ia? Obe maj\u00fa svoje vyu\u017eitie a \u0161pecifik\u00e1cie, ktor\u00e9 si predstav\u00edme v tomto \u010dl\u00e1nku. Z\u00c1LOHOVANIE Z\u00e1lohovanie sl\u00fa\u017ei na bezpe\u010dn\u00e9…<\/p>\n","protected":false},"author":29,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[52,33],"ht-kb-tag":[],"class_list":["post-2106","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-vps","ht_kb_category-servery"],"yoast_head":"\nZ\u00e1lohovanie a snapshoty - Websupport centrum podpory<\/title>\n<meta name=\"description\" content=\"Kombin\u00e1cia slu\u017eieb Z\u00e1lohovanie a snapshoty je vhodn\u00fdm sp\u00f4sobom pre udr\u017eiavanie Va\u0161ich d\u00e1t a stavu OS v bezpe\u010d\u00ed pri be\u017enej \u00fadr\u017ebe servera a aktualiz\u00e1ci\u00e1ch.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.sk\/podpora\/kb\/zalohovanie-a-snapshoty\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Z\u00e1lohovanie a snapshoty - 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