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<h3><a href="/article/e7-ad-86-e8-a8-98-pdumpfs-e6-aa-94-e6-a1-88-e5-82-99-e4-bb-bd/">[筆記] pdumpfs 檔案備份</a></h3>
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<span class="date moment">2015-07-14</span>
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<a href="/categories/%E5%B7%A5%E4%BD%9C%E7%AD%86%E8%A8%98">工作筆記</a>
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<p>之前已經把備份工作都交給同事去處理</p>
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<p>沒想到前不久真的發生USER手殘，直接把共享目錄內的文件全選、刪除</p>
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<p>結果要倒回檔案的時候，發現備份的檔案不完全(備份工具是freefile sync )，引發後續一些麻煩事情</p>
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<p>所以想在原本同事處理的備份工作上，再加一份我自己做的備份作為不時之需</p>
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<p></p>
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<p>基於之前的習慣，這次還是採用 pdumpfs 來做備份，指令比較簡單</p>
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<p>只是這次多加入了把備份的過程導出成 .log 檔，然後依照日期壓縮、存放</p>
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<p>主要的邏輯就是 pdumpfs 備份檔案 ，把std out 導出到NAS上存放，然後在每天結束前，把log壓縮、存放到當天的目錄</p>
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<p>pdumpfs 的部分就很簡單
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> pdumpfs source_dir dest_dir
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這樣一行就解決了</p>
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<p>然後把 std out 的輸出導入到 log，並加入日期
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> /usr/local/sbin/pdumpfs /nas/資訊部 /zp/ai/ > “/nas/DB_Backup/pdumpfs_log/pdumpfs<em>資訊部</em><code>date +\%Y\%m\%d</code>.log”
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/nas 是透過 NFS mount 群暉 NAS 的共享目錄進來</p>
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<p>要注意的是，原本正常的 script應該是只有
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> /usr/local/sbin/pdumpfs /nas/資訊部 /zp/ai/ > “/nas/DB_Backup/pdumpfs_log/pdumpfs<em>資訊部</em><code>date +%Y%m%d</code>.log”
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跟上一行比起來少了 “\” 這個符號</p>
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<p>因為本來在console 測試的時候，SCRIPT跑起來都OK，但是放到 crontab 裡面執行，就會發生錯誤
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> CMD (pdumpfs /nas/\345\205\261\347\224\250\350\263\207\346\226\231 /zp/public/ > “/nas/DB_Backup/pdumpfs<em>log/pdumpfs</em>\345\205\261\347\224\250\350\263\207\346\226\231_<code>date +)
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中文變亂碼這部分沒問題，但是結尾只有跑到</code>date + 這邊就結束，會造成錯誤</p>
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<p>原因是因為 crontab 跟這種系統變數整合的關係，翻了一下GOOGLE，發現要不就是指定一個系統變數存放日期，要不就是加個 \ 進去處理</p>
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<p>我選擇直接用 \% 來取代 %</p>
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<p>放到 crontab 裡面，修改一下執行時間，測試OK，SCRIPT 就正式上線了</p>
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<p> </p>
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<p>不過呢，這個SCRIPT跑的是從群暉NAS上備份到二階的備份伺服器</p>
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<p>第一層是由三台NAS所組成 (119(群暉) 、219(QNAP)、218(Windows 2012))</p>
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<p>然後由其他兩台每天同步到 119上</p>
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<p>因為群暉的NFS 可以用偷吃步，直接MOUNT整個 volume 進來，所以比較好處理</p>
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<p>Windows 2012 應該是可以直接用 smb mount 進來</p>
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<p>至於QNAP就比較少玩，不過應該也不會太麻煩</p>
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<p>可能還是要找時間研究一下怎麼把這兩台的share folder 也 mount 到這台備份伺服器上</p>
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<p>再一起加入 pdumpfs 的備份工作內</p>
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<p> </p>
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<p>Update: 2015/07/15</p>
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<p>Windows 2012 的共享資料夾 如果是中文，而且要透過 mount_smbfs 掛進來的話 會出現亂碼</p>
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<p>所以在 mount 的時候要加參數 -L 和 -E
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> mount_smbfs -L zh_TW.UTF-8 -E UTF-8:UTF-8 -I 192.168.10.218 ‘//chchang@nas-218/NAS-218’ /218/
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感謝 lantw44@ptt</p>
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);
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});
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$(".footnote-return sup").html("");
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</script>
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<script>
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var client = algoliasearch("Y2C4RWMPXW", "50ea7f8c41c0ad233926e0be2b769ed1");
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var index = client.initIndex("default-content");
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$('#search').autocomplete({ hint: false, autoselect: true, debug: false },
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[
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{
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source: $.fn.autocomplete.sources.hits(index, { hitsPerPage: 5, filters: 'language: en' }),
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displayKey: function(suggestion) {
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return suggestion.title || suggestion.author
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},
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templates: {
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suggestion: function(suggestion) {
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return "<span class='entry " + suggestion.type + "'>"
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+ "<span class='title'>" + suggestion.title + "</span>"
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+ "<span class='fa fa-fw " + suggestion.iconClass + "'></span>"
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+ "</span>"
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;
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},
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empty: function() {
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return "<span class='empty'>Nothing found.</span>"
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},
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footer: function() {
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return '<div class="branding">Powered by <img src="https:\/\/h.cowbay.org\/dist\/algolia-logo-light.svg" /></div>'
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}
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},
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}
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])
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.on('autocomplete:selected', function(event, suggestion, dataset) {
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window.location = (suggestion.url);
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})
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.keypress(function (event, suggestion) {
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if (event.which == 13) {
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window.location = (suggestion.url);
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}
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});
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</script>
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</body>
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</html>
|
