V tomto \u010dl\u00e1nku se pokus\u00edm popsat jak na obnovu z po\u017ekozen\u00e9ho disku. Mysl\u00edm t\u00edm pokud disk je\u0161t\u011b funguje (to\u010d\u00ed se) ale obvykle nenaj\u00ed\u017ed\u00ed OS, p\u0159\u00edpadn\u011b nejdou zkop\u00edrovat data. Tento \u010dl\u00e1nek ur\u010dit\u011b nepopisuje<\/strong>, jak obnovit data z ji\u017e nefun\u010dkn\u00edho diku, p\u0159\u00edpadn\u011b utopen\u00e9ho, nebo pokud v n\u011bm „lupe“ Toto stadium po\u0161kozen\u00ed je ji\u017e pro odborn\u00fd servis.<\/p>\n Pro „obnovu“ dat pou\u017e\u00edv\u00e1m moje obliben\u00e9 bootovaci CD Hiren’s Boot (ke sta\u017een\u00ed nap\u0159\u00edklad zde<\/a>)<\/p>\n Pro obnovu dat m\u016f\u017eete pou\u017e\u00edt dv\u011b r\u016fzne varianty. Bu\u010f se pokus\u00edme p\u0159ekop\u00edrovat jen data, kter\u00e9 nutn\u011b pot\u0159ebujem, p\u0159\u00edpadn\u011b m\u016f\u017eeme ud\u011blat image disku na nov\u00fd disk. V ka\u017ed\u00e9m p\u0159\u00edpad\u011b je pot\u0159eba spustit Hiren’s Boot CD, a zvolit „Parted Magic“<\/p>\n \u00a0<\/p>\n <\/p>\n Varianta 1. – p\u0159ekop\u00edrovat nejd\u016fle\u017eit\u011bj\u0161\u00ed data.<\/strong> Varianta 2. – ud\u011blat image disku na nov\u00fd Disk to image<\/strong><\/p>\n Timto \u0159eknete \u017ee m\u00e1 p\u0159ekop\u00edrovat disk \/dev\/sda<\/em> do image<\/em> a logovat do sda.log.<\/em>\u00b7Parametr -n znamen\u00e1 no-trimming, co\u017e znamen\u00e1 \u017ee se nevrac\u00ed na m\u00edstka kde narazil na probl\u00e9m.<\/p>\n Nyn\u00ed pot\u0159ebujem \u0159\u00edct, \u017ee m\u00e1 disk projet znovu a pod\u00edvat se na m\u00edsta kde narazil na probl\u00e9m, a p\u0159\u00edkazem -r definujeme kolikr\u00e1t na ur\u010dity blok zkou\u0161et. Tak\u00e9 mu mus\u00edme definovat, kde je IMAGE a LOG soubor z p\u0159edchoz\u00edho p\u0159\u00edkazu.<\/p>\n Disk to disk<\/strong><\/p>\n P\u0159\u00edkaz je skoro stejn\u00fd a\u017e na to \u017ee p\u0159id\u00e1me parametr -f a tak\u00e9 definujeme disk na kter\u00fd se m\u00e1 d\u011blat kopie (v m\u00e9m p\u0159\u00edpad\u011b \/dev\/sdb)<\/strong><\/p>\n P\u0159i pr\u00e1ci dbejte na to aby jste nespletli zdrojov\u00fd a c\u00edlov\u00fd disk (jinak by jste p\u0159i\u0161li a v\u0161chny data) . Samoz\u0159ejm\u011b ddrescue um\u00ed kop\u00edrovat i partition, ale to je u\u017e na hlub\u0161\u00ed znalost.<\/p>\n Image to disk<\/strong><\/p>\n Nyn\u00ed bude pot\u0159eba dostat image zp\u011bt na nov\u00fd disk. To doc\u00edl\u00edte t\u00edmto zp\u016fsobem<\/p>\n Np\u0159\u00edklad<\/p>\n Obnova dat z po\u0161kozen\u00fdch disk\u016f V tomto \u010dl\u00e1nku se pokus\u00edm popsat jak na obnovu z po\u017ekozen\u00e9ho disku. Mysl\u00edm t\u00edm pokud disk je\u0161t\u011b funguje (to\u010d\u00ed se) ale obvykle nenaj\u00ed\u017ed\u00ed OS, p\u0159\u00edpadn\u011b nejdou zkop\u00edrovat… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/posts\/48"}],"collection":[{"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":2,"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":214,"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/posts\/48\/revisions\/214"}],"wp:attachment":[{"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.djblond.cz\/index.php\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Data klasicky p\u0159ekop\u00edrujeme pomoc\u00ed vestavn\u011bn\u00e9ho pr\u016fzkum\u00ednka (jako ve Windows). Z vlastn\u00ed zku\u0161enost\u00ed v\u00edm, \u017ee co se mi nepoda\u0159ilo p\u0159ekop\u00edrovat pod Windowsem, tak tady se mi to poda\u0159ilo<\/p>\n
<\/strong>K vytvo\u0159en\u00ed image disku vyu\u017e\u00edv\u00e1m program ddrescue<\/strong>, kter\u00fd je pr\u00e1v\u011b ur\u010den ke vytv\u00e1\u0159en\u00ed image z po\u0161kozen\u00fdch disk\u016f. Je navr\u017een tak, \u017ee prvn\u011b zkop\u00edruje jen data kter\u00e1 jdou p\u0159e\u010d\u00edst napoprve, a ty kter\u00e9 nejdou, si zap\u00ed\u0161e do logu. Posl\u00e9ze se spust\u00ed znova a pokus\u00ed se skop\u00edrovat znovu jen ty bloky, kter\u00e9 ne\u0161li. U druh\u00e9ho „pr\u016fjezdu“ mu definujete, kolikr\u00e1t za sebou to m\u00e1 zkusit.D\u00e1le si m\u016f\u017eete zvolit zda chcete ud\u011blat image disku tzv: disk to disk (z disku na disk), nebo disk to image (z disku vytvo\u0159it image). Pro n\u00e1slednou praci s image disku m\u016f\u017eete pou\u017e\u00edt jak\u00fdkoliv program, kter\u00fd um\u00ed pracovat s bitovou kopii.<\/p>\nddrescue -n \/dev\/sda \/cesta\/k_image\/sda.img \/cesta\/k_logu\/sda.log<\/em><\/code><\/p>\nddrescue -r3 \/dev\/sda \/cesta\/k_image\/sda.img \/cesta\/k_logu\/sda.log<\/em><\/code><\/p>\nddrescue -f -n \/dev\/sda \/dev\/sdb \/cesta\/k_logu\/sda.log
<\/em>ddrescue -f -r3 \/dev\/sda \/dev\/sdb \/cesta\/k_logu\/sda.log<\/em><\/code><\/p>\nddrescue -f \/cesta\/k\/image.img \/cesta\/kdisku \/cesta\/k_logu\/RecoveryLog.log<\/em><\/code><\/p>\nddrescue -f \/media\/sda1\/image.img \/dev\/sdc \/media\/sda1\/RecoveryLog.log<\/em><\/code><\/p>\n