{"id":33325,"date":"2026-10-07T18:13:05","date_gmt":"2026-10-07T16:13:05","guid":{"rendered":"https:\/\/eu.wedoback.com\/?page_id=33325"},"modified":"2026-10-08T11:37:24","modified_gmt":"2026-10-08T09:37:24","slug":"co-je-it-zaloha","status":"publish","type":"page","link":"https:\/\/eu.wedoback.com\/sk\/navody\/zalohovanie\/co-je-it-zaloha\/","title":{"rendered":"\u010co je IT z\u00e1loha?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"33325\" class=\"elementor elementor-33325 elementor-31913\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c1686cb e-con-full wdb-g e-flex e-con e-parent\" data-id=\"c1686cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-18f5604 e-con-full wdb-g-hero e-flex e-con e-parent\" data-id=\"18f5604\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-fa41485 e-con-full wdb-g-hero-in e-flex e-con e-parent\" data-id=\"fa41485\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-975a3b1 elementor-widget elementor-widget-text-editor\" data-id=\"975a3b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"wdb-g-crumb\"><a href=\"\/sk\/\">Domov<\/a><span>\u203a<\/span><a href=\"\/sk\/navody\/\">N\u00e1vody<\/a><span>\u203a<\/span><a href=\"\/sk\/navody\/zalohovanie\/\">Z\u00e1lohovanie IT<\/a><\/p><p class=\"wdb-g-pill\" style=\"--pill:#01adb9\">Z\u00e1lohovanie IT<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b90a99 elementor-widget elementor-widget-heading\" data-id=\"4b90a99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\u010co je IT z\u00e1loha?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22399e2 elementor-widget elementor-widget-text-editor\" data-id=\"22399e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"wdb-g-lead\">IT z\u00e1loha je k\u00f3pia d\u00e1t vytvoren\u00e1 na to, aby sa dala obnovi\u0165: v de\u0148, ke\u010f origin\u00e1l zmizne, je omylom zmenen\u00fd alebo za\u0161ifrovan\u00fd pri \u00fatoku, umo\u017en\u00ed vr\u00e1ti\u0165 sa do predch\u00e1dzaj\u00faceho stavu. K\u00fdm nikto neobnovil s\u00fabor a neoveril, \u017ee sa d\u00e1 otvori\u0165, m\u00e1te len prenos d\u00e1t, nie preuk\u00e1zan\u00fa z\u00e1lohu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0be284f elementor-widget elementor-widget-text-editor\" data-id=\"0be284f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"wdb-g-meta\"><span>Aktualizovan\u00e9 v <b>okt\u00f3bri 2026<\/b><\/span><span><b>4 min<\/b> \u010d\u00edtania<\/span><span><b>5<\/b> citovan\u00fdch zdrojov<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ae6492e e-con-full wdb-g-body e-flex e-con e-parent\" data-id=\"ae6492e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4a7f2d0 e-con-full wdb-g-grid e-flex e-con e-parent\" data-id=\"4a7f2d0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6adb10e e-con-full wdb-g-article e-flex e-con e-parent\" data-id=\"6adb10e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a79f2eb elementor-widget elementor-widget-text-editor\" data-id=\"a79f2eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wdb-g-key\"><h2>To najd\u00f4le\u017eitej\u0161ie<\/h2><ul><li>Skuto\u010dn\u00e1 z\u00e1loha je <strong>oddelen\u00e1 od origin\u00e1lu<\/strong>, uchov\u00e1va <strong>viacero verzi\u00ed v \u010dase<\/strong> a obnovuje sa pod\u013ea zn\u00e1meho postupu.<\/li><li>ANSSI (franc\u00fazska n\u00e1rodn\u00e1 agent\u00fara pre kybernetick\u00fa bezpe\u010dnos\u0165) a CNIL (franc\u00fazsky \u00farad na ochranu osobn\u00fdch \u00fadajov) odpor\u00fa\u010daj\u00fa pravidlo <strong>3-2-1<\/strong>: tri k\u00f3pie, dve r\u00f4zne m\u00e9di\u00e1, z toho jedna offline.<\/li><li>RAID, synchroniz\u00e1cia ani k\u00f4\u0161 v Microsoft 365 nie s\u00fa z\u00e1lohy.<\/li><li>Frekvencia ur\u010duje prijate\u013en\u00fa stratu d\u00e1t (RPO); sp\u00f4sob obnovy ur\u010duje d\u013a\u017eku v\u00fdpadku (RTO).<\/li><li>Z\u00e1loha, ktor\u00e1 nikdy nebola obnoven\u00e1 alebo ktorej k\u013e\u00fa\u010d sa stratil, ni\u010d nedokazuje.<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14899e9 elementor-widget elementor-widget-text-editor\" data-id=\"14899e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u010co mus\u00ed k\u00f3pia umo\u017eni\u0165<\/h2><p>Z\u00e1lohu od oby\u010dajn\u00e9ho duplik\u00e1tu odli\u0161uj\u00fa tri vlastnosti:<\/p><ol><li><strong>Je oddelen\u00e1 od origin\u00e1lu.<\/strong> Druh\u00fd disk v tom istom serveri alebo k\u00f4\u0161 aplik\u00e1cie postihne ten ist\u00fd po\u017eiar, ten ist\u00fd v\u00fdpadok elektriny a \u010dasto aj ten ist\u00fd ransomv\u00e9r. CNIL uv\u00e1dza ukladanie z\u00e1loh na tom istom mieste ako p\u00f4vodn\u00e9 d\u00e1ta medzi chybami, ktor\u00fdm sa treba vyhn\u00fa\u0165.<\/li><li><strong>Uchov\u00e1va hist\u00f3riu.<\/strong> Mus\u00edte sa vedie\u0165 vr\u00e1ti\u0165 k stavu z utorka o 18:00, nielen k poslednej k\u00f3pii, ktor\u00e1 u\u017e m\u00f4\u017ee obsahova\u0165 po\u0161koden\u00fd s\u00fabor.<\/li><li><strong>Dok\u00e1\u017ee ju obnovi\u0165 niekto, kto pozn\u00e1 postup.<\/strong> M\u00e9dium, softv\u00e9r, heslo a \u0161ifrovac\u00ed k\u013e\u00fa\u010d musia by\u0165 k dispoz\u00edcii v de\u0148 incidentu, nielen v de\u0148 in\u0161tal\u00e1cie. ANSSI po\u017eaduje, aby sa z\u00e1lohy pravidelne testovali a aby bol sp\u00edsan\u00fd a zaveden\u00fd postup obnovy.<\/li><\/ol><p>Z\u00e1loha sa t\u00fdka s\u00faborov, datab\u00e1z, po\u0161tov\u00fdch schr\u00e1nok alebo cel\u00e9ho po\u010d\u00edta\u010da (syst\u00e9m, aplik\u00e1cie, \u00fa\u010dty, nastavenia). Pri obnove samotn\u00fdch s\u00faborov treba server najprv znova nain\u0161talova\u0165 a a\u017e potom ich vr\u00e1ti\u0165 sp\u00e4\u0165. Obnova obrazu syst\u00e9mu uvedie po\u010d\u00edta\u010d sp\u00e4\u0165 do prev\u00e1dzky.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-022c1aa elementor-widget elementor-widget-text-editor\" data-id=\"022c1aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Pravidlo 3-2-1<\/h2><p>ANSSI aj CNIL odpor\u00fa\u010daj\u00fa takzvan\u00e9 pravidlo \u201e3-2-1\u201c:<\/p><ul><li><strong>3<\/strong> k\u00f3pie d\u00e1t: produk\u010dn\u00e9 d\u00e1ta a dve z\u00e1lohy;<\/li><li><strong>2<\/strong> r\u00f4zne m\u00e9di\u00e1;<\/li><li><strong>1<\/strong> k\u00f3pia offline, teda na m\u00e9diu odpojenom od ak\u00e9hoko\u013evek informa\u010dn\u00e9ho syst\u00e9mu.<\/li><\/ul><figure class=\"wdb-f wdb-f-321\" role=\"img\" aria-label=\"Pravidlo 3-2-1: 3 k\u00f3pie va\u0161ich d\u00e1t, 2 r\u00f4zne m\u00e9di\u00e1, 1 k\u00f3pia offline\"><figcaption class=\"wdb-f-title\">Pravidlo 3-2-1<\/figcaption><div class=\"wdb-f-cols\"><div class=\"wdb-f-col\"><span class=\"wdb-f-num\">3<\/span><p>k\u00f3pie va\u0161ich d\u00e1t<\/p><svg viewBox=\"0 0 64 64\" aria-hidden=\"true\" focusable=\"false\"><rect x=\"20\" y=\"8\" width=\"30\" height=\"38\" rx=\"3\" fill=\"#e6f6f7\" stroke=\"#01adb9\" stroke-width=\"2\"\/><rect x=\"14\" y=\"13\" width=\"30\" height=\"38\" rx=\"3\" fill=\"#f3fbfb\" stroke=\"#01adb9\" stroke-width=\"2\"\/><rect x=\"8\" y=\"18\" width=\"30\" height=\"38\" rx=\"3\" fill=\"#fff\" stroke=\"#027466\" stroke-width=\"2.4\"\/><path d=\"M14 28h18M14 34h18M14 40h18M14 46h11\" stroke=\"#01adb9\" stroke-width=\"2.4\" stroke-linecap=\"round\"\/><\/svg><\/div><div class=\"wdb-f-col\"><span class=\"wdb-f-num\">2<\/span><p>r\u00f4zne m\u00e9di\u00e1<\/p><svg viewBox=\"0 0 64 64\" aria-hidden=\"true\" focusable=\"false\"><rect x=\"6\" y=\"10\" width=\"34\" height=\"12\" rx=\"3\" fill=\"#027466\"\/><rect x=\"6\" y=\"25\" width=\"34\" height=\"12\" rx=\"3\" fill=\"#012e29\"\/><circle cx=\"33\" cy=\"16\" r=\"1.8\" fill=\"#01adb9\"\/><circle cx=\"33\" cy=\"31\" r=\"1.8\" fill=\"#01adb9\"\/><rect x=\"22\" y=\"34\" width=\"36\" height=\"24\" rx=\"4\" fill=\"#012e29\"\/><circle cx=\"40\" cy=\"46\" r=\"8\" fill=\"#e6f6f7\"\/><circle cx=\"40\" cy=\"46\" r=\"2.4\" fill=\"#027466\"\/><\/svg><\/div><div class=\"wdb-f-col\"><span class=\"wdb-f-num\">1<\/span><p>k\u00f3pia offline<\/p><svg viewBox=\"0 0 64 64\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M16 40a11 11 0 0 1 2-21.8A15 15 0 0 1 46 20a10 10 0 0 1 2 20z\" fill=\"#cfeef0\" stroke=\"#01adb9\" stroke-width=\"2.4\" stroke-linejoin=\"round\"\/><path d=\"M8 8l48 48\" stroke=\"#027466\" stroke-width=\"3\" stroke-linecap=\"round\"\/><rect x=\"30\" y=\"38\" width=\"24\" height=\"18\" rx=\"3\" fill=\"#012e29\"\/><path d=\"M35 38v-5a7 7 0 0 1 14 0v5\" fill=\"none\" stroke=\"#012e29\" stroke-width=\"3\"\/><circle cx=\"42\" cy=\"47\" r=\"2.6\" fill=\"#fff\"\/><\/svg><\/div><\/div><p class=\"wdb-f-note\">Odpor\u00fa\u010danie ANSSI a CNIL (Franc\u00fazsko)<\/p><\/figure><p>ANSSI pova\u017euje t\u00fato offline k\u00f3piu za nevyhnutn\u00fa, aj ke\u010f sa vytv\u00e1ra menej \u010dasto ako ostatn\u00e9. Podrobn\u00fd v\u00fdpo\u010det n\u00e1jdete v n\u00e1vode <a href=\"\/sk\/navody\/zalohovanie\/kolko-zaloh-uchovavat\/\">Ko\u013eko z\u00e1loh treba uchov\u00e1va\u0165?<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9549a47 elementor-widget elementor-widget-text-editor\" data-id=\"9549a47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Tri pojmy, ktor\u00e9 sa \u010dasto zamie\u0148aj\u00fa<\/h2><table><thead><tr><th>Oper\u00e1cia<\/th><th>\u00da\u010del<\/th><th>Hist\u00f3ria<\/th><\/tr><\/thead><tbody><tr><td>Z\u00e1loha<\/td><td>Vr\u00e1ti\u0165 sa do predch\u00e1dzaj\u00faceho stavu<\/td><td>\u00c1no, viacero verzi\u00ed v \u010dase<\/td><\/tr><tr><td>Replik\u00e1cia<\/td><td>Ma\u0165 takmer identick\u00fa k\u00f3piu okam\u017eite<\/td><td>Spravidla nie: k\u00f3pia nasleduje origin\u00e1l vr\u00e1tane jeho ch\u00fdb<\/td><\/tr><tr><td>Archiv\u00e1cia<\/td><td>Dlhodobo uchova\u0165 d\u00f4kaz alebo dokument<\/td><td>\u00c1no, ale cie\u013eom je uchovanie, nie obnovenie \u010dinnosti na druh\u00fd de\u0148<\/td><\/tr><\/tbody><\/table><p>Podrobnosti n\u00e1jdete v n\u00e1vodoch <a href=\"\/sk\/navody\/zalohovanie\/rozdiel-zaloha-a-replikacia\/\">z\u00e1loha a replik\u00e1cia<\/a> a <a href=\"\/sk\/navody\/zalohovanie\/rozdiel-zaloha-a-archivacia\/\">z\u00e1loha a archiv\u00e1cia<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfc1c0a elementor-widget elementor-widget-text-editor\" data-id=\"bfc1c0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u00dapln\u00e1, inkrement\u00e1lna, diferenci\u00e1lna<\/h2><p>Rozli\u0161ujeme tri met\u00f3dy:<\/p><ul><li><strong>\u00dapln\u00e1<\/strong>: skop\u00edruje sa v\u0161etko. Obnova je jednoduch\u00e1. Zaber\u00e1 v\u0161ak \u010das aj miesto.<\/li><li><strong>Inkrement\u00e1lna<\/strong>: kop\u00edruj\u00fa sa len zmeny od poslednej z\u00e1lohy, nech bola ak\u00e1ko\u013evek. Je nen\u00e1ro\u010dn\u00e1. Pri obnove sa prehr\u00e1 \u00fapln\u00e1 z\u00e1loha a potom ka\u017ed\u00fd pr\u00edrastok.<\/li><li><strong>Diferenci\u00e1lna<\/strong>: kop\u00edruj\u00fa sa zmeny od poslednej \u00faplnej z\u00e1lohy. V priebehu t\u00fd\u017ed\u0148a narast\u00e1. Pri obnove sa prehr\u00e1 \u00fapln\u00e1 z\u00e1loha a posledn\u00e1 diferenci\u00e1lna.<\/li><\/ul><p>CNIL odpor\u00fa\u010da kombinova\u0165 denn\u00e9 inkrement\u00e1lne z\u00e1lohy s pravideln\u00fdmi \u00fapln\u00fdmi z\u00e1lohami.<\/p><p>Frekvencia ur\u010duje <strong>RPO<\/strong> (ko\u013eko pr\u00e1ce ste ochotn\u00ed urobi\u0165 znova). Doba obnovy ur\u010duje <strong>RTO<\/strong> (ako dlho m\u00f4\u017ee \u010dinnos\u0165 st\u00e1\u0165). ANSSI hovor\u00ed o maxim\u00e1lnej pr\u00edpustnej strate d\u00e1t (PDMA) a maxim\u00e1lnej pr\u00edpustnej dobe preru\u0161enia (DMIA). Obe hodnoty sa stanovuj\u00fa pre ka\u017ed\u00fa \u010dinnos\u0165 zvl\u00e1\u0161\u0165: \u00fa\u010dtovn\u00edctvo v piatok ve\u010der a pokladni\u010dn\u00fd server v sobotu na obed nemaj\u00fa rovnak\u00e9 RPO. Pozrite si <a href=\"\/sk\/navody\/drp-bcp\/co-je-rto\/\">\u010co je RTO?<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99dbe13 elementor-widget elementor-widget-text-editor\" data-id=\"99dbe13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u010co z\u00e1loha nerob\u00ed<\/h2><p>Nenahr\u00e1dza antiv\u00edrus, firewall ani oddelen\u00e9 administr\u00e1torsk\u00e9 \u00fa\u010dty. Po\u010das v\u00fdpadku neudr\u017e\u00ed slu\u017ebu v prev\u00e1dzke: to je \u00faloha pl\u00e1nu obnovy po hav\u00e1rii (DRP) alebo pl\u00e1nu kontinuity \u010dinnosti (BCP). Sama osebe nepreukazuje splnenie z\u00e1konnej povinnosti uchov\u00e1vania: \u00fa\u010dtovn\u00fd doklad, ktor\u00fd treba uchov\u00e1va\u0165 po\u010das lehoty stanovenej pr\u00e1vom va\u0161ej krajiny, patr\u00ed do archiv\u00e1cie s jej vlastn\u00fdmi pravidlami integrity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f625cd6 elementor-widget elementor-widget-text-editor\" data-id=\"f625cd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u010cast\u00e9 chyby<\/h2><ul><li>Myslie\u0165 si, \u017ee RAID je z\u00e1loha. RAID chr\u00e1ni pred zlyhan\u00edm disku. Rovnako v\u0161ak skop\u00edruje aj vymazanie a \u0161kodliv\u00e9 za\u0161ifrovanie.<\/li><li>Z\u00e1lohova\u0165 na zdie\u013ean\u00fd prie\u010dinok, ktor\u00fd m\u00f4\u017eu pou\u017e\u00edvatelia a administr\u00e1tori vymaza\u0165.<\/li><li>Nech\u00e1va\u0165 z\u00e1lohovac\u00ed disk trvalo pripojen\u00fd. ENISA, Agent\u00fara Eur\u00f3pskej \u00fanie pre kybernetick\u00fa bezpe\u010dnos\u0165, po\u017eaduje dr\u017ea\u0165 z\u00e1lohy oddelene od produk\u010dn\u00e9ho prostredia: ke\u010f m\u00e9dium nepou\u017e\u00edvate, odpojte ho od po\u010d\u00edta\u010da alebo siete.<\/li><li>Nikdy neobnovova\u0165. Z\u00e1loha, ktorej k\u013e\u00fa\u010d sa stratil alebo ktorej softv\u00e9r u\u017e neexistuje, ni\u010d nevr\u00e1ti.<\/li><li>Zabudn\u00fa\u0165 na cloudov\u00fa po\u0161tu. Microsoft 365 a Google Workspace po\u0161tu hostuj\u00fa, ale neuchov\u00e1vaj\u00fa jej nez\u00e1visl\u00fa a neobmedzen\u00fa hist\u00f3riu: v Exchange Online je vymazan\u00e1 polo\u017eka obnovite\u013en\u00e1 predvolene 14 dn\u00ed, najviac 30 dn\u00ed.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-389ccb7 elementor-widget elementor-widget-text-editor\" data-id=\"389ccb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Kontroln\u00fd zoznam: m\u00e1te skuto\u010dn\u00fa z\u00e1lohu?<\/h2><ul><li>K\u00f3pia existuje mimo servera a mimo budovy.<\/li><li>Aspo\u0148 jednu k\u00f3piu nem\u00f4\u017ee vymaza\u0165 be\u017ene pou\u017e\u00edvan\u00fd \u00fa\u010det.<\/li><li>K dispoz\u00edcii je viacero verzi\u00ed, nielen t\u00e1 z poslednej noci.<\/li><li>Ne\u00faspe\u0161n\u00e1 z\u00e1loha spust\u00ed upozornenie, ktor\u00e9 si niekto pre\u010d\u00edta.<\/li><li>V posledn\u00fdch troch mesiacoch bol obnoven\u00fd a otvoren\u00fd s\u00fabor.<\/li><li>\u0160ifrovac\u00ed k\u013e\u00fa\u010d je ulo\u017een\u00fd inde ne\u017e na z\u00e1lohovanom po\u010d\u00edta\u010di.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae9c8a4 elementor-widget elementor-widget-text-editor\" data-id=\"ae9c8a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wdb-g-brand\"><h2>Ako to rie\u0161i WeDoBack<\/h2><p>WeDoBack z\u00e1lohuje servery Windows a Linux, fyzick\u00e9 aj virtu\u00e1lne, pracovn\u00e9 stanice Windows a macOS, NAS a po\u0161tu Microsoft 365 alebo Google Workspace. D\u00e1ta sa \u0161ifruj\u00fa na po\u010d\u00edta\u010di klienta k\u013e\u00fa\u010dom, ktor\u00fd m\u00e1 v\u00fdhradne klient, a potom sa ukladaj\u00fa na redundantn\u00e9 servery vyhraden\u00e9 na z\u00e1lohovanie, oddelen\u00e9 od jeho produk\u010dn\u00e9ho prostredia. Obnovi\u0165 mo\u017eno jednotliv\u00e9 s\u00fabory alebo cel\u00fd server vr\u00e1tane syst\u00e9mu a aplik\u00e1ci\u00ed. Frekvenciu a dobu uchov\u00e1vania si nastav\u00edte v r\u00e1mci predplaten\u00e9ho objemu. Ponuky <a href=\"\/sk\/ponuka-smart\/\">SMART<\/a> a <a href=\"\/sk\/ponuka-integral\/\">INTEGRAL<\/a> s\u00fa podrobne op\u00edsan\u00e9 na str\u00e1nke <a href=\"\/sk\/ponuky-a-ceny\/\">ponuky a ceny<\/a>.<\/p><div class=\"wdb-g-btns\"><a class=\"wdb-g-btn wdb-g-btn-primary\" href=\"\/sk\/ponuky-a-ceny\/\">Pozrie\u0165 ponuky a ceny<\/a><a class=\"wdb-g-btn wdb-g-btn-ghost\" href=\"\/sk\/cenova-ponuka\/\">Vy\u017eiada\u0165 cenov\u00fa ponuku<\/a><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9971bd0 elementor-widget elementor-widget-text-editor\" data-id=\"9971bd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wdb-g-faq\"><h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2><details><summary>Sta\u010d\u00ed RAID alebo druh\u00fd disk ako z\u00e1loha?<\/summary><p>Nie. RAID chr\u00e1ni pred zlyhan\u00edm disku, nie pred vymazan\u00edm, po\u017eiarom \u010di ransomv\u00e9rom: chybu okam\u017eite skop\u00edruje na v\u0161etky disky. Z\u00e1loha mus\u00ed by\u0165 na inom m\u00e9diu, na inom mieste a s hist\u00f3riou.<\/p><\/details><details><summary>Ako \u010dasto treba z\u00e1lohova\u0165?<\/summary><p>Frekvencia z\u00e1vis\u00ed od toho, ko\u013eko pr\u00e1ce ste ochotn\u00ed urobi\u0165 znova. Pre v\u00e4\u010d\u0161inu serverov mal\u00fdch a stredn\u00fdch firiem je minimom jedna z\u00e1loha denne; datab\u00e1za, do ktorej sa zapisuje nepretr\u017eite, si vy\u017eaduje viacero z\u00e1loh denne. CNIL, franc\u00fazsky \u00farad na ochranu osobn\u00fdch \u00fadajov, odpor\u00fa\u010da denn\u00e9 inkrement\u00e1lne z\u00e1lohy a \u00fapln\u00e9 z\u00e1lohy v pravideln\u00fdch intervaloch.<\/p><\/details><details><summary>Z\u00e1lohuj\u00fa Microsoft 365 alebo Google Workspace moje e-maily?<\/summary><p>Slu\u017ebu hostuj\u00fa a chr\u00e1nia, ale ich ko\u0161e maj\u00fa obmedzen\u00fa dobu uchov\u00e1vania. V Exchange Online zost\u00e1vaj\u00fa vymazan\u00e9 polo\u017eky obnovite\u013en\u00e9 predvolene 14 dn\u00ed, najviac 30 dn\u00ed. Po uplynut\u00ed tejto lehoty alebo pri kompromit\u00e1cii administr\u00e1torsk\u00e9ho \u00fa\u010dtu sa m\u00f4\u017eete vr\u00e1ti\u0165 sp\u00e4\u0165 len v\u010faka k\u00f3pii mimo tenanta.<\/p><\/details><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af5899f elementor-widget elementor-widget-text-editor\" data-id=\"af5899f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u010eal\u0161ie \u010d\u00edtanie<\/h2><div class=\"wdb-g-related\"><a href=\"\/sk\/navody\/zalohovanie\/strategia-zalohovania-pre-firmy\/\"><small>Z\u00e1lohovanie IT<\/small>Ak\u00e1 strat\u00e9gia z\u00e1lohovania pre mal\u00fa a stredn\u00fa firmu?<\/a><a href=\"\/sk\/navody\/zalohovanie\/ako-otestovat-zalohu\/\"><small>Z\u00e1lohovanie IT<\/small>Ako otestova\u0165, \u010di z\u00e1loha funguje?<\/a><a href=\"\/sk\/navody\/drp-bcp\/co-je-rpo\/\"><small>DRP a BCP<\/small>\u010co je RPO?<\/a><a href=\"\/sk\/navody\/zalohovanie\/kde-uchovavat-zalohy\/\"><small>Z\u00e1lohovanie IT<\/small>Kde uchov\u00e1va\u0165 z\u00e1lohy?<\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a54d980 elementor-widget elementor-widget-text-editor\" data-id=\"a54d980\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wdb-g-sources\"><h2>Zdroje<\/h2><p class=\"wdb-g-src-date\">Dokumenty pre\u0161tudovan\u00e9 v okt\u00f3bri 2026.<\/p><ol><li><a href=\"https:\/\/messervices.cyber.gouv.fr\/documents-guides\/anssi_fondamentaux_sauvegarde_systemes_dinformation_v1.1.pdf\" target=\"_blank\" rel=\"noopener\">Z\u00e1lohovanie informa\u010dn\u00fdch syst\u00e9mov \u2013 Z\u00e1klady (ANSSI-BP-100, v1.1, 27. novembra 2025, vo franc\u00faz\u0161tine)<\/a> \u2014 ANSSI (franc\u00fazska agent\u00fara)<\/li><li><a href=\"https:\/\/www.enisa.europa.eu\/publications\/cybersecurity-guide-for-smes\" target=\"_blank\" rel=\"noopener\">Cybersecurity guide for SMEs \u2013 12 steps to securing your business (krok 9: z\u00e1lohy, v angli\u010dtine)<\/a> \u2014 ENISA (Eur\u00f3pska \u00fania)<\/li><li><a href=\"https:\/\/www.cnil.fr\/fr\/securite-sauvegarder\" target=\"_blank\" rel=\"noopener\">Bezpe\u010dnos\u0165: z\u00e1lohovanie (vo franc\u00faz\u0161tine)<\/a> \u2014 CNIL (franc\u00fazsky \u00farad)<\/li><li><a href=\"https:\/\/learn.microsoft.com\/en-us\/exchange\/security-and-compliance\/recoverable-items-folder\/recoverable-items-folder\" target=\"_blank\" rel=\"noopener\">Recoverable Items folder in Exchange Online<\/a> \u2014 Microsoft Learn<\/li><li><a href=\"https:\/\/www.wedoback.com\/offres-et-tarifs\/\" target=\"_blank\" rel=\"noopener\">Ponuky a ceny<\/a> \u2014 WeDoBack<\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-53fca6b e-con-full wdb-g-aside e-flex e-con e-parent\" data-id=\"53fca6b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25fe56b elementor-widget elementor-widget-text-editor\" data-id=\"25fe56b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<nav class=\"wdb-g-toc\" aria-label=\"Obsah\"><p>Na tejto str\u00e1nke<\/p><ol><\/ol><\/nav>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2acdf9c elementor-widget elementor-widget-text-editor\" data-id=\"2acdf9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wdb-g-card\"><h3>Pl\u00e1nujete projekt z\u00e1lohovania, DRP alebo BCP?<\/h3><p>Viac ako 20 rokov sk\u00fasenost\u00ed s ochranou firemn\u00fdch \u00fadajov.<\/p><a class=\"wdb-g-btn wdb-g-btn-primary\" href=\"\/sk\/cenova-ponuka\/\">Vy\u017eiada\u0165 cenov\u00fa ponuku<\/a><a class=\"wdb-g-tel\" href=\"tel:+33972507828\">+33 9 72 50 78 28<\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-257927b e-con-full wdb-g-aside e-flex e-con e-parent\" data-id=\"257927b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0659fe0 elementor-widget elementor-widget-text-editor\" data-id=\"0659fe0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<nav class=\"wdb-g-toc\" aria-label=\"Obsah\"><p>Na tejto str\u00e1nke<\/p><ol><\/ol><\/nav>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40f756f elementor-widget elementor-widget-text-editor\" data-id=\"40f756f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wdb-g-card\"><h3>Pl\u00e1nujete projekt z\u00e1lohovania, DRP alebo BCP?<\/h3><p>Viac ako 20 rokov sk\u00fasenost\u00ed s ochranou firemn\u00fdch \u00fadajov.<\/p><a class=\"wdb-g-btn wdb-g-btn-primary\" href=\"\/sk\/cenova-ponuka\/\">Vy\u017eiada\u0165 cenov\u00fa ponuku<\/a><a class=\"wdb-g-tel\" href=\"tel:+33972507828\">+33 9 72 50 78 28<\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-38ce101 e-con-full wdb-g-cta e-flex e-con e-parent\" data-id=\"38ce101\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1b7e7e4 e-con-full wdb-g-cta-in e-flex e-con e-parent\" data-id=\"1b7e7e4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8a39745 elementor-widget elementor-widget-text-editor\" data-id=\"8a39745\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Chr\u00e1\u0148te svoje \u00fadaje s WeDoBack<\/h2><p>\u0160ifrovan\u00e9 z\u00e1lohovanie mimo pracoviska, nemenn\u00e9 \u00falo\u017eisko, DRP a BCP: op\u00ed\u0161te n\u00e1m svoje servery a my v\u00e1m navrhneme vhodn\u00fa kombin\u00e1ciu.<\/p><div class=\"wdb-g-btns\"><a class=\"wdb-g-btn wdb-g-btn-primary\" href=\"\/sk\/cenova-ponuka\/\">Vy\u017eiada\u0165 cenov\u00fa ponuku<\/a><a class=\"wdb-g-btn wdb-g-btn-ghost\" href=\"\/sk\/ponuky-a-ceny\/\">Zobrazi\u0165 ponuky a ceny<\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":32821,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"IT z\u00e1loha: defin\u00edcia a k\u013e\u00fa\u010dov\u00e9 pravidl\u00e1 | WeDoBack","_seopress_titles_desc":"Z\u00e1loha je obnovite\u013en\u00e1 k\u00f3pia oddelen\u00e1 od origin\u00e1lu, ktor\u00e1 umo\u017en\u00ed vr\u00e1ti\u0165 sa do predch\u00e1dzaj\u00faceho stavu po poruche, chybe alebo \u00fatoku.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"https:\/\/www.wedoback.com\/wp-content\/uploads\/sites\/6\/2026\/10\/wdb-og-sauvegarde.jpg","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"https:\/\/www.wedoback.com\/wp-content\/uploads\/sites\/6\/2026\/10\/wdb-og-sauvegarde.jpg","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":"","_members_access_role":[],"_members_access_error":""},"class_list":["post-33325","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/pages\/33325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/comments?post=33325"}],"version-history":[{"count":1,"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/pages\/33325\/revisions"}],"predecessor-version":[{"id":34590,"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/pages\/33325\/revisions\/34590"}],"up":[{"embeddable":true,"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/pages\/32821"}],"wp:attachment":[{"href":"https:\/\/eu.wedoback.com\/sk\/wp-json\/wp\/v2\/media?parent=33325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}