{"id":34321,"date":"2019-10-31T21:57:38","date_gmt":"2019-10-31T18:57:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vosstanavlivaem-virtualnye-mashiny-s-oshibochno-initsializirovannogo-datastore-istoriya-odnoj-gluposti-s-heppi-endom\/"},"modified":"2019-10-31T21:57:38","modified_gmt":"2019-10-31T18:57:38","slug":"vosstanavlivaem-virtualnye-mashiny-s-oshibochno-initsializirovannogo-datastore-istoriya-odnoj-gluposti-s-heppi-endom","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/vosstanavlivaem-virtualnye-mashiny-s-oshibochno-initsializirovannogo-datastore-istoriya-odnoj-gluposti-s-heppi-endom","title":{"rendered":"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<blockquote><p><b>Upozornenie: <\/b>Pozn\u00e1mka m\u00e1 z\u00e1bavn\u00fd charakter. Obsahuje m\u00e1lo u\u017eito\u010dn\u00fdch inform\u00e1ci\u00ed. Bola nap\u00edsan\u00e1 \u201epre seba\u201c.<\/p><\/blockquote>\n<p><\/p>\n<h3>Lyrick\u00e9 \u00favod<\/h3>\n<p>\nS\u00faborov\u00e1 skl\u00e1dka v na\u0161ej organiz\u00e1cii be\u017e\u00ed na virtu\u00e1lnom stroji VMware ESXi 6 pod Windows Server 2016. A nie je to len skl\u00e1dka. Je to server na zdie\u013eanie s\u00faborov medzi \u0161truktur\u00e1lnymi jednotkami: tu prebieha spolupr\u00e1ca, projektov\u00e1 dokument\u00e1cia a prie\u010dinky so sie\u0165ov\u00fdmi skenerami. Skr\u00e1tka, je tu cel\u00fd v\u00fdrobn\u00fd \u017eivot.<\/p>\n<p>A toto \u00falo\u017eisko cel\u00e9ho v\u00fdrobn\u00e9ho \u017eivota za\u010dalo zam\u0155za\u0165. Zauj\u00edmav\u00e9 je, \u017ee hostite\u013e mohol zamrzn\u00fa\u0165 s\u00e1m, ani\u017e by ovplyvnil ostatn\u00fdch. M\u00f4\u017ee sp\u00f4sobi\u0165 zamrznutie cel\u00e9ho hostite\u013ea a, samozrejme, v\u0161etk\u00fdch ostatn\u00fdch hostite\u013esk\u00fdch strojov. Mohol zamrzn\u00fa\u0165 s\u00e1m a zamrazi\u0165 klientsk\u00e9 slu\u017eby vSphere: to znamen\u00e1, \u017ee procesy ostatn\u00fdch hostite\u013eov s\u00fa \u017eiv\u00e9, stroje funguj\u00fa a reaguj\u00fa, ale skl\u00e1dka nefunguje a klient vSphere sa k hostite\u013eovi nedok\u00e1\u017ee pripoji\u0165. V podstate sa nedala zisti\u0165 \u017eiadna syst\u00e9mov\u00e1 pr\u00ed\u010dina. K zamrznutiu mohlo d\u00f4js\u0165 cez de\u0148 pri slabom za\u0165a\u017een\u00ed. M\u00f4\u017ee sa to sta\u0165 v noci pri nulovom za\u0165a\u017een\u00ed. M\u00f4\u017ee sa to pri diferenci\u00e1lnom z\u00e1lohovan\u00ed a strednom za\u0165a\u017een\u00ed. M\u00f4\u017ee to by\u0165 cez v\u00edkend pri plnom z\u00e1lohovan\u00ed a vysokom za\u0165a\u017een\u00ed. A situ\u00e1cia sa jasne zhor\u0161ovala. Najprv sa to stalo raz za rok, potom raz za pol roka. Na konci mojej trpezlivosti - dvakr\u00e1t t\u00fd\u017edenne. <br \/>\nPripisoval som to opera\u010dnej pam\u00e4ti. Ale nevydali mi povolenie zastavi\u0165 skl\u00e1dku ani cez v\u00edkend a spusti\u0165 Memtest. \u010cakali sme na m\u00e1jov\u00e9 sviatky. Po\u010das m\u00e1jov\u00fdch sviatkov som spustil Memtest a... neboli zisten\u00e9 \u017eiadne chyby.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nUvedomil som si a rozhodol sa \u00eds\u0165 na dovolenku. K\u00fdm som bol na dovolenke, skl\u00e1dka nemala \u017eiadne zamrznutia. A ke\u010f som sa v pondelok vr\u00e1til do pr\u00e1ce - skl\u00e1dka zamrzla. Pre\u017eila pln\u00e9 z\u00e1lohovanie a hne\u010f po \u0148om zamrzla. Tak\u00e9 tepl\u00e9 priv\u00edtanie z dovolenky ma povzbudilo k presunu diskov s hostite\u013eom na in\u00e9ho hostite\u013ea.<\/p>\n<p>A hoci je zn\u00e1me, \u017ee prv\u00fd de\u0148 po dovolenke sa nem\u00e1 robi\u0165 ni\u010d v\u00e1\u017ene, aj ke\u010f som sa cel\u00fa cestu do pr\u00e1ce sna\u017eil nen\u00fati\u0165 do pr\u00e1ce, moja rozhor\u010denos\u0165 z \u010fal\u0161ieho zamrznutia ma vyviedla z mysle a zamerania a predsavzatia...<\/p>\n<p>Fyzick\u00e9 disky boli premiestnen\u00e9 na in\u00e9ho hostite\u013ea. Pripojenie za tepla. V nastaveniach \u00falo\u017eiska na karte <i>Disc<\/i> disky sa objavuj\u00fa. Na karte <i>Datastore<\/i> \u00falo\u017eisk\u00e1 na t\u00fdchto diskoch - nie s\u00fa. <i>Obnovi\u0165<\/i> - sa neobjavuj\u00fa. No a samozrejme, prv\u00e1 my\u0161lienka - <i>Prida\u0165 \u00falo\u017eisko<\/i>. Pr\u00edvodn\u00fd program pridania hovor\u00ed, \u017ee to podporuje. Samozrejme, \u017ee podporuje aj VMFS. O tom som ani nepochyboval. R\u00fdchly preh\u013ead spr\u00e1v sprievodcu na ka\u017edom kroku: \u010ealej, \u010ealej, \u010ealej, Dokon\u010di\u0165. Poh\u013ead sa dokonca ani nezastavil na malom \u017eltom kruhu s v\u00fdkri\u010dn\u00edkom na spodnej strane okna jedn\u00e9ho z krokov sprievodcu.<\/p>\n<p>Po dokon\u010den\u00ed sprievodcu sa nov\u00fd Datastore objavil v zozname... a spolu s n\u00edm aj Datastores z ostatn\u00fdch fyzick\u00fdch diskov.<\/p>\n<p>Prech\u00e1dzam navig\u00e1ciou po pr\u00e1ve pridanom Datastore a je... pr\u00e1zdny. Samozrejme, op\u00e4\u0165 som padol do rozpakov. 8 hod\u00edn r\u00e1no, prv\u00fdch 15 min\u00fat v pr\u00e1ci po dovolenke, cukor v k\u00e1ve som e\u0161te ani nezmie\u0161al. A zrazu nie\u010do tak\u00e9. Prv\u00e1 my\u0161lienka bola - nevytiahol som ten spr\u00e1vny disk z \u201erodn\u00e9ho\u201c hostite\u013ea. Pozrel som, \u010di je h\u013eadan\u00fd Datastore v \u201erodnom\u201c hostite\u013eovi: nie, nie je pr\u00edtomn\u00fd. Druh\u00e1 my\u0161lienka bola: \u201edo riti!\u201c. Nie som si ist\u00fd, ale mysl\u00edm, \u017ee tretia, \u0161tvrt\u00e1 a minim\u00e1lne piata my\u0161lienka bola rovnak\u00e1.<\/p>\n<p>Aby som rozpt\u00fdlil pochybnosti, r\u00fdchlo som nain\u0161taloval nov\u00fd ESXi, vzal som si \u013eav\u00fd disk a, u\u017e \u010d\u00edtaj\u00fac, pre\u0161iel som krokmi sprievodcu. \u00c1no. Pri prid\u00e1van\u00ed Datastore cez sprievodcu doch\u00e1dza k strate v\u0161etk\u00fdch \u00fadajov na disku bez mo\u017enosti vr\u00e1ti\u0165 oper\u00e1ciu a obnovi\u0165 \u00fadaje. Nesk\u00f4r som na jednom f\u00f3re \u010d\u00edtal hodnotenie tak\u00e9ho dizajnu sprievodcu: shitsome crap. A s\u00fahlas\u00edm s t\u00fdm ve\u013emi.<\/p>\n<p>Od \u0161iestej my\u0161lienky - moje my\u0161lenky za\u010dali tiec\u0165 do konstrukt\u00edvnej\u0161\u00edch dr\u00e1h. Dobre. Inicializ\u00e1cia trv\u00e1 len nieko\u013eko sek\u00fand, aj pre 3Tb disk. Znamen\u00e1 to, \u017ee ide o vysoko\u00farov\u0148ov\u00e9 form\u00e1tovanie. Znamen\u00e1 to, \u017ee sa iba prep\u00edsal tabu\u013ekov\u00fd syst\u00e9m. Znamen\u00e1 to, \u017ee d\u00e1ta s\u00fa st\u00e1le tam. Znamen\u00e1 to, \u017ee teraz n\u00e1jdeme nejak\u00fd unformat a voila.<\/p>\n<p>Na\u010d\u00edtavam stroj z boot obrazu Strelec... A zis\u0165ujem, \u017ee softv\u00e9r na obnovu oddielov pozn\u00e1 v\u0161etko, okrem VMFS. Rozlo\u017eenie oddielov Synology napr\u00edklad pozn\u00e1, ale VMFS - nie.<\/p>\n<p>Preh\u013ead programov nie je upokojuj\u00faci: v najlep\u0161om pr\u00edpade GetDataBack a R.Saver n\u00e1jdu NTFS oddiely so \u017eivou \u0161trukt\u00farou adres\u00e1rov a \u017eiv\u00fdmi n\u00e1zvami s\u00faborov. Ale to ma neuspokoj\u00ed. Potrebujem dva vmdk s\u00fabory: s diskom syst\u00e9mu a diskom s\u00faborov ko\u0161a.<\/p>\n<p>A tu si uvedomujem, \u017ee asi budem musie\u0165 nain\u0161talova\u0165 Windows a obnovi\u0165 sa z z\u00e1lohy s\u00faborov. A z\u00e1rove\u0148 si spom\u00ednam, \u017ee som tam mal kore\u0148 DFS. A navy\u0161e, m\u00e1m \u00faplne \u0161ialen\u00fd syst\u00e9m pr\u00edstupov\u00fdch pr\u00e1v k prie\u010dinkom oddelen\u00ed. Nie je to mo\u017enos\u0165. Jedinou prijate\u013enou mo\u017enos\u0165ou z h\u013eadiska \u010dasu je obnova stavu syst\u00e9mu a disku s \u00fadajmi a v\u0161etk\u00fdmi pr\u00e1vami.<\/p>\n<p>Znova vyh\u013ead\u00e1vanie na G\u00fagli, f\u00f3ra, KB&#8217;\u010dky a znova pla\u010d Jaroslavnej: VMware ESXi nepredpoklad\u00e1 mechanizmus obnovy d\u00e1t. V\u0161etky diskusie maj\u00fa dva konce: niekto sa obnovil pomocou drah\u00e9ho n\u00e1stroja DiskInternals VMFS Recovery alebo mu pomohol odborn\u00edk, ktor\u00fd akt\u00edvne propaguje svoje slu\u017eby. <i>vmfs-tools<\/i> a <i>dd<\/i>. Mo\u017enos\u0165 zak\u00fapi\u0165 licenciu DiskInternals VMFS Recovery za 700 dol\u00e1rov \u2014 nie je mo\u017enos\u0165. Pr\u00edstup cudz\u00edch os\u00f4b z \u201e\u00fazemia potenci\u00e1lneho protivn\u00edka\u201c k firemn\u00fdm \u00fadajom \u2014 tie\u017e nie je mo\u017enos\u0165. Na druhej strane sa dalo n\u00e1js\u0165, \u017ee VMFS oddiely dok\u00e1\u017ee \u010d\u00edta\u0165 aj UFS Explorer.<\/p>\n<h3>DiskInternals VMFS Recovery<\/h3>\n<p>\nStiahnut\u00e1 a nain\u0161talovan\u00e1 bola sk\u00fa\u0161obn\u00e1 verzia. Program \u00faspe\u0161ne videl pr\u00e1zdny VMFS oddiel:<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/dd28df25d24b11232489592f07f3fedf.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV re\u017eime <i>Undelete (r\u00fdchle skenovanie)<\/i> tie\u017e na\u0161la a zotaven\u00fd Datastore s prie\u010dinkami <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/vps\/\"   title=\"virtu\u00e1ln\u00edch stroj\u016f\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1998\">virtu\u00e1ln\u00edch stroj\u016f<\/a> s diskami vo vn\u00fatri:<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/ff35d7d6e568fbc51134c4b28c8a0a7d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00e1h\u013ead uk\u00e1zal, \u017ee s\u00fabory s\u00fa \u017eiv\u00e9:<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/4347855b6d3a25829933218846e526f1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPripojenie oddielu do syst\u00e9mu bolo \u00faspe\u0161n\u00e9, ale z nezn\u00e1meho d\u00f4vodu vo v\u0161etk\u00fdch troch prie\u010dinkoch bola t\u00e1 ist\u00e1 virtu\u00e1lka. Samozrejme, zo z\u00e1kona podlosti \u2014 nie t\u00e1, ktor\u00e1 bola potrebn\u00e1.<\/p>\n<p><b class=\"spoiler_title\">Tri riadky hanby<\/b>Pok\u00fas o bezcitn\u00e9 pir\u00e1tstvo softv\u00e9ru skon\u010dil ne\u00faspechom. Aspo\u0148 UFS Explorer sa podarilo z\u00edska\u0165.<\/p>\n<blockquote><p>Ve\u013emi negat\u00edvne sa stoto\u017e\u0148ujem s kr\u00e1de\u017eou softv\u00e9ru. Ani z\u010faleka nevyz\u00fdvam na pou\u017e\u00edvanie prostriedkov obch\u00e1dzania ochrany pred neleg\u00e1lnym pou\u017e\u00edvan\u00edm. \n<\/p><\/blockquote>\n<p>\nBol som v katastrof\u00e1lnej situ\u00e1cii a v\u00f4bec som nebol hrd\u00fd na tie opatrenia, ku ktor\u00fdm som musel siahnu\u0165.<\/p>\n<h3>UFS Explorer<\/h3>\n<p>\nSkenovanie disku uk\u00e1zalo pr\u00edtomnos\u0165 7 uzlov. Po\u010det uzlov \u201e\u00fa\u017easne\u201c zodpovedal po\u010dtu *-flat.vmdk s\u00faborov, zisten\u00fdch VMFS Recovery:<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/c8b348060e16287df27f03563661a6f1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPorovnanie ve\u013ekost\u00ed s\u00faborov a ve\u013ekost\u00ed uzlov uk\u00e1zalo taktie\u017e zhody a\u017e do bytu. Pri tej pr\u00edle\u017eitosti boli obnoven\u00e9 n\u00e1zvy *-flat.vmdk s\u00faborov a, samozrejme, ich pr\u00edslu\u0161nos\u0165 k virtu\u00e1lnym strojom.<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/6d5be954215b701923c83bfced90a7c9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVo v\u0161eobecnosti, vmdk disky z poh\u013eadu ESXi pozost\u00e1vaj\u00fa z dvoch s\u00faborov: je to s\u00fabor s d\u00e1tami (-flat.vmdk) a s\u00fabor \"fyzickej\" \u0161trukt\u00fary disku (.vmdk). Ak sa zo lok\u00e1lneho po\u010d\u00edta\u010da nahr\u00e1 do Datastore s\u00fabor *-flat.vmdk, ESXi ho nerozozn\u00e1 ako platn\u00fd s\u00fabor disku. V datab\u00e1ze znalost\u00ed VMware je \u010dl\u00e1nok o tom, ako ru\u010dne vytvori\u0165 s\u00fabor s popisom disku: <noindex><a rel=\"nofollow\" href=\"https:\/\/kb.vmware.com\/s\/article\/1002511\">kb.vmware.com\/s\/article\/1002511<\/a><\/noindex>, ale ja som to nemusel robi\u0165, jednoducho som skop\u00edroval obsah pr\u00edslu\u0161n\u00fdch s\u00faborov z oblasti n\u00e1h\u013eadu obsahu s\u00faboru v DiskInternals VMFS Recovery:<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/bb6574034f386e30939a2a809c5b27ac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPo 4 hodin\u00e1ch exportu 2,5 TB uzla z UFS Explorera a 20 hodin\u00e1ch na\u010d\u00edtania do Datastore hyperv\u00edzora boli po\u0161koden\u00e9 s\u00fabory diskov pripojen\u00e9 k novej virtu\u00e1lnej ma\u0161ine. Disky sa \u00faspe\u0161ne na\u010d\u00edtali. Straty d\u00e1t si nikto nev\u0161imol.<\/p>\n<p><img decoding=\"async\" alt=\"Obnovujeme virtu\u00e1lne stroje z chybne inicializovan\u00e9ho Datastore. Pr\u00edbeh jednej hl\u00faposti s happy-endom\" src=\"\/wp-content\/uploads\/2019\/05\/2d41c155ad17a9545309a756bb9ea59e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/452928\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Disclaimer: \u0417\u0430\u043c\u0435\u0442\u043a\u0430 \u043d\u043e\u0441\u0438\u0442 \u0440\u0430\u0437\u0432\u043b\u0435\u043a\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440. \u0423\u0434\u0435\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u043b\u0435\u0437\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 \u043d\u0435\u0439 \u043c\u0430\u043b\u0430. \u0411\u044b\u043b\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u00ab\u0434\u043b\u044f \u0441\u0435\u0431\u044f\u00bb. \u041b\u0438\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0432\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u0435 \u0424\u0430\u0439\u043b\u043e\u0432\u0430\u044f \u043f\u043e\u043c\u043e\u0439\u043a\u0430 \u0432 \u043d\u0430\u0448\u0435\u0439 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u0440\u0443\u0442\u0438\u0442\u0441\u044f \u043d\u0430 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u0435 VMware ESXi 6 \u043f\u043e\u0434 Windows Server 2016. \u0418 \u044d\u0442\u043e \u043d\u0435 \u043f\u0440\u043e\u0441\u0442\u043e \u043f\u043e\u043c\u043e\u0439\u043a\u0430. \u042d\u0442\u043e \u0441\u0435\u0440\u0432\u0435\u0440 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u043e\u0431\u043c\u0435\u043d\u0430 \u043c\u0435\u0436\u0434\u0443 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u043c\u0438 \u043f\u043e\u0434\u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f\u043c\u0438: \u0442\u0443\u0442 \u0438 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0431\u043e\u0442\u0430, \u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u043d\u0430\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f, \u0438 \u043f\u0430\u043f\u043a\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25881,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-34321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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