{"id":522,"date":"2024-04-13T19:12:59","date_gmt":"2024-04-13T11:12:59","guid":{"rendered":"http:\/\/blue.yn.cn\/?p=522"},"modified":"2024-10-03T08:51:08","modified_gmt":"2024-10-03T00:51:08","slug":"%e7%a3%81%e7%9b%98%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"http:\/\/blue.yn.cn\/?p=522","title":{"rendered":"\u78c1\u76d8\u7ba1\u7406"},"content":{"rendered":"<h3>\u78c1\u76d8\u6982\u8ff0<\/h3>\n<h4>\u4ec0\u4e48\u662f\u78c1\u76d8<\/h4>\n<p>\u5927\u591a\u6570\u4eba\u5bf9\u786c\u76d8\u90fd\u4e0d\u964c\u751f\uff0c\u4e00\u5757\u5c0f\u5c0f\u7684\u786c\u76d8\u91cc\uff0c\u5c31\u53ef\u4ee5\u5b58\u50a8\u6d77\u91cf\u7684\u7167\u7247\u97f3\u4e50\u548c\u7535\u5f71\uff0c\u5c24\u5176\u662f\u6211\u4eec\u559c\u7231\u7684\u5404\u7c7b\u52a8\u4f5c\u7247\u3002\u4f46\u5982\u6b64\u5c0f\u7684\u7a7a\u95f4\uff0c\u662f\u5982\u4f55\u50a8\u5b58\u90a3\u4e48\u591a\u4fe1\u606f\u7684\u5462\uff1f<\/p>\n<p>\u6bcf\u4e2a\u786c\u76d8\u4e2d\u5fc3\u90fd\u662f\u4e00\u645e\u9ad8\u901f\u8fd0\u8f6c\u7684\u5706\u76d8\uff0c\u5728\u5706\u76d8\u4e0a\u9644\u7740\u7684\u4e00\u5708\u91d1\u5c5e\u9897\u7c92\uff0c\u6bcf\u4e2a\u91d1\u5c5e\u9897\u7c92\u90fd\u6709\u81ea\u5df1\u7684\u78c1\u5316\u7a0b\u5ea6\uff0c\u4e3b\u8981\u7528\u4e8e\u50a8\u5b580\u548c1<\/p>\n<p>\u5728\u6570\u636e\u5199\u5165\u65f6\uff0c\u786c\u76d8\u7684\u78c1\u5934\u5f00\u59cb\u901a\u7535\uff0c\u5468\u56f4\u4f1a\u4ea7\u751f\u78c1\u573a\uff0c\u6570\u636e\u5728\u78c1\u573a\u7684\u4f5c\u7528\u4e0b\u8f6c\u53d8\u6210\u7535\u6d41\uff0c\u4f7f\u78c1\u76d8\u7684\u91d1\u5c5e\u9897\u7c92\u78c1\u5316\uff0c\u4ece\u800c\u5c06\u4fe1\u606f\u8bb0\u5f55\u5728\u5706\u76d8\u4e0a<\/p>\n<p>\u7531\u6d77\u91cf\u9897\u7c92\u7ec4\u6210\u7684\u4fe1\u606f\uff0c\u5c31\u662f\u6211\u4eec\u5b58\u5728\u786c\u76d8\u91cc\u7684\u6570\u636e\u3002<\/p>\n<h4>\u78c1\u76d8\u7269\u7406\u7ed3\u6784<\/h4>\n<h5>\u4ec0\u4e48\u662f\u76d8\u7247<\/h5>\n<p>\u786c\u76d8\u4e00\u822c\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u76d8\u7247\uff0c\u6bcf\u4e2a\u76d8\u7247\u53ef\u4ee5\u6709\u4e24\u9762\uff0c\u5373\u7b2c\u4e00\u4e2a\u76d8\u7247\u7684\u6b63\u9762\u4e3a0\u9762\uff0c\u53cd\u9762\u4e3a1\u9762\u7136\u540e\u4f9d\u6b21\u7c7b\u63a8<\/p>\n<h5>\u4ec0\u4e48\u662f\u78c1\u9053<\/h5>\n<p>\u6bcf\u4e2a\u76d8\u7247\u7684\u76d8\u9762\u5728\u51fa\u5382\u7684\u65f6\u5019\u88ab\u5212\u5206\u51fa\u4e86\u591a\u4e2a\u540c\u5fc3\u5706\u73af\uff0c\u6570\u636e\u5c31\u5b58\u50a8\u5728\u8fd9\u6837\u7684\u540c\u5fc3\u5706\u73af\u4e0a\u9762\uff0c\u6211\u4eec\u5c06\u8fd9\u6837\u7684\u5706\u73af\u79f0\u4e3a\u78c1\u9053<code>track<\/code>\uff0c\u6bcf\u4e2a\u76d8\u9762\u53ef\u4ee5\u5212\u5206\u591a\u4e2a\u78c1\u9053\uff0c\u4f46\u8089\u773c\u4e0d\u53ef\u89c1<\/p>\n<h5>\u4ec0\u4e48\u662f\u6247\u533a<\/h5>\n<p>\u5728\u786c\u76d8\u51fa\u5382\u65f6\u4f1a\u5bf9\u78c1\u76d8\u8fdb\u884c\u4e00\u6b21\u4f4e\u683c\uff0c\u5176\u5b9e\u5c31\u662f\u5728\u6bcf\u4e2a\u78c1\u9053\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u5f27\u6bb5\uff0c\u6bcf\u4e2a\u5f27\u6bb5\u5c31\u662f\u4e00\u4e2a\u6247\u533a<code>sector<\/code>\u3002\u6247\u533a\u662f\u786c\u76d8\u4e0a\u5b58\u50a8\u7684\u7269\u7406\u5355\u4f4d\uff0c\u73b0\u5728\u6bcf\u4e2a\u6247\u533a\u53ef\u5b58\u50a8512\u5b57\u8282\u6570\u636e\u5df2\u7ecf\u6210\u4e86\u4e1a\u754c\u7684\u7ea6\u5b9a<\/p>\n<h5>\u4ec0\u4e48\u662f\u67f1\u9762<\/h5>\n<p>\u67f1\u9762\u5b9e\u9645\u5c31\u662f\u6211\u4eec\u62bd\u8c61\u51fa\u6765\u7684\u4e00\u4e2a\u903b\u8f91\u6982\u5ff5\uff0c\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u5904\u4e8e\u540c\u4e00\u4e2a\u5782\u76f4\u533a\u57df\u7684\u78c1\u9053\u79f0\u4e3a\u67f1\u9762\uff0c\u5373\u5404\u76d8\u9762\u4e0a\u9762\u76f8\u540c\u4f4d\u7f6e\u78c1\u9053\u7684\u96c6\u5408\u3002\u8fd9\u6837\u6570\u636e\u5982\u679c\u5b58\u50a8\u5230\u76f8\u540c\u534a\u5f84\u78c1\u9053\u4e0a\u7684\u540c\u4e00\u6247\u533a\uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u5e76\u884c\u8bfb\u53d6\uff0c\u4e3b\u8981\u662f\u51cf\u5c11\u78c1\u5934\u5bfb\u9053\u65f6\u95f4\u3002<\/p>\n<h5>\u4ec0\u4e48\u662f\u78c1\u5934<\/h5>\n<p>\u8bfb\u53d6\u78c1\u76d8\u78c1\u9053\u4e0a\u9762\u91d1\u5c5e\u5757\uff0c\u4e3b\u8981\u8d1f\u8d23\u8bfb\u6216\u5199\u5165\u6570\u636e<\/p>\n<h4>\u78c1\u76d8\u7684\u63a5\u53e3\u7c7b\u578b<\/h4>\n<h5>IDE-SCSI<\/h5>\n<p><code>IDE\uff0cscsi<\/code>\uff08\u5df2\u7ecf\u88ab\u6dd8\u6c70\uff09<\/p>\n<h5>sata-sas<\/h5>\n<ul>\n<li><code>sata III<\/code>\u4e0e<code>sas<\/code><\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u63a5\u53e3\u7c7b\u578b<\/th>\n<th>\u63a5\u53e3\u901f\u7387<\/th>\n<th>\u76d8\u7247\u8f6c\u901f<\/th>\n<th>\u5199\u5165\u901f\u5ea6<\/th>\n<th>\u5e94\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SATA III<\/td>\n<td>6Gbps\/s<\/td>\n<td>7.5k\/s<\/td>\n<td>300MB\/s<\/td>\n<td>\u4e2a\u4eba<\/td>\n<\/tr>\n<tr>\n<td>SAS<\/td>\n<td>8Gbps\/s~12Gbps\/s<\/td>\n<td>15k\/s<\/td>\n<td>300MB\/s~600MB\/s<\/td>\n<td>\u4f01\u4e1a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>MSATA-M2<\/h5>\n<p>= <code>MSATA<\/code>\u4e0e<code>M.2<\/code><\/p>\n<ul>\n<li><code>MSATA<\/code>\u63a5\u53e3\u662f\u4e13\u95e8\u4e3a\u8d85\u7ea7\u7b14\u8bb0\u672c\u800c\u8bbe\u8ba1\u7684<\/li>\n<li><code>M.2<\/code>\u662f<code>inter<\/code>\u63a8\u51fa\u7684\u4e00\u79cd\u66ff\u4ee3<code>MSATA<\/code>\u65b0\u7684\u63a5\u53e3\u89c4\u8303<\/li>\n<li><code>M.2<\/code>\u63a5\u53e3\u76f8\u6bd4<code>MSATA<\/code>\u63a5\u53e3\u6709\u4e24\u65b9\u9762\u7684\u4f18\u52bf\n<ul>\n<li>\u901f\u5ea6\u4f18\u52bf<\/li>\n<li>\u4f53\u79ef\u4f18\u52bf<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>M.2\u63a5\u53e3\u7c7b\u578b<\/th>\n<th>\u652f\u6301\u63a5\u53e3\u7c7b\u578b<\/th>\n<th>\u517c\u5bb9\u6027<\/th>\n<th>\u8bfb\u53d6\u901f\u5ea6<\/th>\n<th>\u5199\u5165\u901f\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>socket2<\/td>\n<td>sata\u3001pci-e x2<\/td>\n<td>\u51e0\u4e4e\u4e3b\u677f\u90fd\u652f\u6301<\/td>\n<td>700MB\/s<\/td>\n<td>550MB\/s<\/td>\n<\/tr>\n<tr>\n<td>socket3<\/td>\n<td>pci-e x4<\/td>\n<td>\u9700\u8981\u68c0\u67e5\u4e3b\u677f\u662f\u5426\u652f\u6301<\/td>\n<td>4GB\/s<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u78c1\u76d8\u547d\u540d<\/h3>\n<h4>\u7269\u7406\u670d\u52a1\u5668<\/h4>\n<ul>\n<li>\u771f\u5b9e\u7269\u7406\u670d\u52a1\u5668<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u8bbe\u5907\u540d\u79f0<\/th>\n<th>\u5206\u533a\u4fe1\u606f<\/th>\n<th>\u8bbe\u5907\u7c7b\u578b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\/dev\/sda<\/td>\n<td>\/dev\/sda1<\/td>\n<td>\u7b2c\u4e00\u5757\u7269\u7406\u78c1\u76d8\u7684\u7b2c\u4e00\u4e2a\u5206\u533a<\/td>\n<\/tr>\n<tr>\n<td>\/dev\/sdb<\/td>\n<td>\/dev\/sdb2<\/td>\n<td>\u7b2c\u4e8c\u5757\u7269\u7406\u78c1\u76d8\u7684\u7b2c\u4e8c\u4e2a\u5206\u533a<\/td>\n<\/tr>\n<tr>\n<td>\/dev\/sdd<\/td>\n<td>\/dev\/sdd4<\/td>\n<td>\u7b2c\u56db\u5757\u7269\u7406\u78c1\u76d8\u7684\u7b2c\u56db\u4e2a\u5206\u533a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\u865a\u62df\u670d\u52a1\u5668<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u8bbe\u5907\u540d\u79f0<\/th>\n<th>\u5206\u533a\u4fe1\u606f<\/th>\n<th>\u8bbe\u5907\u7c7b\u578b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\/dev\/vda<\/td>\n<td>\/dev\/vda1<\/td>\n<td>\u7b2c\u4e00\u5757\u865a\u62df\u78c1\u76d8\u7684\u7b2c\u4e00\u4e2a\u5206\u533a<\/td>\n<\/tr>\n<tr>\n<td>\/dev\/vdb<\/td>\n<td>\/dev\/vdb2<\/td>\n<td>\u7b2c\u4e8c\u5757\u865a\u62df\u78c1\u76d8\u7684\u7b2c\u4e8c\u4e2a\u5206\u533a<\/td>\n<\/tr>\n<tr>\n<td>\/dev\/vdc<\/td>\n<td>\/dev\/vdc3<\/td>\n<td>\u7b2c\u56db\u5757\u865a\u62df\u78c1\u76d8\u7684\u7b2c\u4e09\u4e2a\u5206\u533a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5206\u533a\u7ba1\u7406<\/h3>\n<h4>\u4e3a\u4ec0\u4e48\u8981\u5206\u533a<\/h4>\n<ul>\n<li>\u5206\u533a\u662f\u4e3a\u4e86\u4fbf\u4e8e\u6570\u636e\u5206\u95e8\u522b\u7c7b\u7684\u5b58\u50a8\uff0c\u5206\u533a\u6709<code>MBR\u3001GPT<\/code>\u4e24\u79cd\u65b9\u5f0f<\/li>\n<li>\u5206\u533a\u8868\uff1a\uff08\u8bb0\u5f55\u5206\u533a\u7684\u7f16\u53f7\u3001\u6bcf\u4e2a\u7f16\u53f7\u4ece\u54ea\u4e2a\u6247\u533a\u5f00\u59cb\uff0c\u5230\u54ea\u4e2a\u6247\u533a\u7ed3\u675f\uff09\n<ul>\n<li><code>MBR<\/code>\uff1a\u4e3b\u5f15\u5bfc\u8bb0\u5f55\uff0c\u7528\u6765\u627e\u5230\u78c1\u76d8\u4e0a\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5e76\u4e14\u5f15\u5bfc\u542f\u52a8\uff080\u78c1\u9053\uff0c1\u6247\u533a\uff0c512\u5b57\u8282\uff09<br \/>\n1.446\u5b57\u8282\uff1a<code>boot loader<\/code><br \/>\n2.64\u5b57\u8282\uff1a\u5b58\u50a8\u5206\u533a\u8868\uff0c\u6bcf16\u5b57\u8282\u8868\u793a\u4e00\u4e2a\u5206\u533a\uff0c\u6700\u591a\u56db\u4e2a\u201c\u4e3b\u5206\u533a\u201d\uff08\u4e3b\u5206\u533a+\u6269\u5c55\u5206\u533a\uff09<br \/>\n3.2\u5b57\u8282\uff1a\u7ed3\u675f\u4f4d<\/li>\n<li><code>GPT<\/code>\uff1a\u65b0\u578b\u7684\u5206\u533a\u8868\uff0c<code>GPT<\/code>\u652f\u6301\u5206\u914d128\u4e2a\u4e3b\u5206\u533a<br \/>\n\u6ce8\u610f\uff1a<code>MBR<\/code>\u4e0e<code>GPT<\/code>\u4e4b\u95f4\u4e0d\u80fd\u4e92\u8f6c\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713170591619.png\" alt=\"file\" \/><\/p>\n<h4>fdisk\u5206\u533a\u5de5\u5177<\/h4>\n<p><code>fdisk # manipulate disk partition table<\/code><\/p>\n<ul>\n<li>\n<p><code>fdisk<\/code>\u4ec5\u652f\u6301\u5206\u914d\u5c0f\u4e8e<code>2TB<\/code>\u7684\u78c1\u76d8(<code>MBR<\/code>)<\/p>\n<ul>\n<li>\u67e5\u770b\u5f53\u524d\u8bbe\u5907<code>fdisk -l List the partition tables for the specified devices and then exit<\/code><\/li>\n<li>\u5bf9\u8bbe\u5907\u8fdb\u884c\u5206\u533a<code>fdisk \/dev\/sdb<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5206\u533a\u547d\u4ee4<\/p>\n<ul>\n<li>m\uff1a\u663e\u793a\u5e2e\u52a9<\/li>\n<li>n\uff1a\u521b\u5efa\u65b0\u5206\u533a<\/li>\n<li>d\uff1a\u5220\u9664\u5206\u533a<\/li>\n<li>p\uff1a\u67e5\u770b\u5206\u533a<\/li>\n<li>w\uff1a\u4fdd\u5b58\u5206\u533a<\/li>\n<li>q\uff1a\u9000\u51fa<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5206\u533a\u6848\u4f8b\uff1a<\/p>\n<ul>\n<li>\u6848\u4f8b1\uff1a\u5206\u914d4\u4e2a\u5206\u533a\uff084P\uff09<\/li>\n<li>\u6848\u4f8b2\uff1a\u5206\u914d5\u4e2a\u5206\u533a\uff081P+1E+4L\uff09<\/li>\n<li>\u6848\u4f8b3\uff1a\u5206\u914d6\u4e2a\u5206\u533a\uff083P+1E+3L\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>gdisk\u5206\u533a\u5de5\u5177<\/h4>\n<p><code>gdisk Interactive GUID partition table (GPT) manipulator<\/code><\/p>\n<ul>\n<li><code>gdisk<\/code>\u652f\u6301\u5206\u914d\u5927\u4e8e<code>2TB<\/code>\u7684\u78c1\u76d8\n<ul>\n<li>\u67e5\u770b\u5f53\u524d\u8bbe\u5907<code>gdisk -l device<\/code><\/li>\n<li>\u5bf9\u8bbe\u5907\u8fdb\u884c\u5206\u533a <code>gdisk \/dev\/sdb<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\u5206\u533a\u547d\u4ee4\n<ul>\n<li>\uff1f\uff1a\u663e\u793a\u5e2e\u52a9<\/li>\n<li>n\uff1a\u521b\u5efa\u65b0\u5206\u533a<\/li>\n<li>p\uff1a\u6253\u5370\u5206\u533a<\/li>\n<li>w\uff1a\u4fdd\u5b58\u5206\u533a<\/li>\n<li>q\uff1a\u9000\u51fa<\/li>\n<\/ul>\n<\/li>\n<li>\u5206\u533a\u6848\u4f8b\uff1a\n<ul>\n<li>\u6848\u4f8b1\uff1a\u5206\u914d4\u4e2a\u5206\u533a\uff084P\uff09<\/li>\n<li>\u6848\u4f8b2\uff1a\u5206\u914d5\u4e2a\u5206\u533a\uff085P\uff09<\/li>\n<li>\u6848\u4f8b3\uff1a\u5206\u914d6\u4e2a\u5206\u533a\uff086P\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>mkfs\u683c\u5f0f\u5316\u7cfb\u7edf<\/h4>\n<p><code>mkfs # build a Linux filesystem<\/code><\/p>\n<ul>\n<li><code>mkfs<\/code>\u547d\u4ee4\u7528\u4e8e\u683c\u5f0f\u5316\u786c\u76d8\uff0c\u7c7b\u4f3c\u4e8e\u5c06\u623f\u5b50\u88c5\u4fee\u62103\u5ba4\u4e00\u5385\uff0c\u8fd8\u662f2\u5ba4\u4e00\u5385\n<ul>\n<li><code>-b<\/code>\uff1a\u8bbe\u5b9a\u6570\u636e\u533a\u5757\u5360\u7528\u7a7a\u95f4\u5927\u5c0f\uff0c\u76ee\u524d\u652f\u6301<code>1024\u30012048\u30014096 bytes<\/code>\u6bcf\u4e2a\u5757<\/li>\n<li><code>-t,--type(Specify the type of filesystem to be built)<\/code>\u7528\u6765\u6307\u5b9a\u4ec0\u4e48\u7c7b\u578b\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u53ef\u4ee5\u662f<code>ext4\u3001xfs<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\u63d0\u793a\uff1a\n<ul>\n<li>\u5206\u533a\u5de5\u5177\uff0c\u53ef\u4ee5\u9488\u5bf9\u6574\u5757\u78c1\u76d8\uff0c\u6216\u8005\u5355\u4e2a\u5206\u533a\u8fdb\u884c\u683c\u5f0f\u5316\u64cd\u4f5c<\/li>\n<li>\u4e00\u822c\u60c5\u51b5\u4e0b\u5efa\u8bae\uff0c\u4e0d\u8981\u76f4\u63a5\u683c\u5f0f\u5316\u4f7f\u7528\u6574\u4e2a\u78c1\u76d8\uff0c\u8981\u5206\u533a\u540e\u518d\u683c\u5f0f\u5316\uff0c\u5934\u90e8\u6709\u9884\u7559\u7a7a\u95f4\uff1b\u4f46\u662f\u53c8\u5efa\u8bae\u5bf9\u6574\u4e2a\u78c1\u76d8\u53ea\u5212\u5206\u4e00\u4e2a\u5206\u533a\u3002\uff08<strong>\u5efa\u8bae\u5bf9\u6574\u4e2a\u78c1\u76d8\u683c\u5f0f\u5316\u76f4\u63a5\u4f7f\u7528<\/strong>\uff09<\/li>\n<li><code>blockdev --getbsz \/dev\/vda<\/code>\u67e5\u770b\u5757\u5927\u5c0f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>1.\u4f7f\u7528<code>mkfs<\/code>\u547d\u4ee4\uff0c\u683c\u5f0f\u5316\u6574\u4e2a\u786c\u76d8<br \/>\n<code>mkfs.ext4 \/dev\/sdb<\/code><\/p>\n<p>2.\u4f7f\u7528<code>mkfs<\/code>\u547d\u4ee4\uff0c\u683c\u5f0f\u5316\u78c1\u76d8\u7684\u67d0\u4e2a\u5206\u533a<\/p>\n<p><code>mkfs.xfs \/dev\/sdb1<\/code><\/p>\n<p>3.\u4f7f\u7528<code>mkfs<\/code>\u547d\u4ee4\u6307\u5b9a\u4e00\u4e2a\u6570\u636e\u5757\u7684\u5927\u5c0f<\/p>\n<p><code>mkfs.xfs -b size=1024 \/dev\/sdb2<\/code><\/p>\n<h3>\u6302\u8f7d\u7ba1\u7406<\/h3>\n<ul>\n<li>\u5f53\u9700\u8981\u4f7f\u7528\u78c1\u76d8\u7a7a\u95f4\u65f6\uff0c\u9700\u8981\u51c6\u5907\u4e00\u4e2a\u76ee\u5f55\u4f5c\u4e3a\u6302\u8f7d\u70b9\uff0c\u7136\u540e\u4f7f\u7528<code>mount<\/code>\u547d\u4ee4\u4e0e\u8be5\u8bbe\u5907\u8fdb\u884c\u5173\u8054<\/li>\n<\/ul>\n<h4>\u4e34\u65f6\u6302\u8f7dmount<\/h4>\n<p><code>mount # mount a filesystem<\/code><\/p>\n<ul>\n<li>\u901a\u8fc7<code>mount<\/code>\u8fdb\u884c\u6302\u8f7d\uff0c\u4f46\u91cd\u542f\u5c06\u4f1a\u5931\u6548\u3002\u6211\u4eec\u79f0\u4e3a\u4e34\u65f6\u751f\u6548\n<ul>\n<li><code>-t,--types(is used to indicate the filesystem type)<\/code><\/li>\n<li><code>-a,--all(Mount all filesystems (of the given types) mentioned in fstab)<\/code><\/li>\n<li><code>-o,--options(ro\u3001rw)<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>1.\u6302\u8f7d\u78c1\u76d8\u8bbe\u5907<\/p>\n<pre><code class=\"language-bash\">mkdir \/db1\nmount -t xfs \/dev\/sdb1 \/db1<\/code><\/pre>\n<p>2.\u6302\u8f7d\u78c1\u76d8\u8bbe\u5907\uff0c\u8bbe\u7f6e\u53c2\u6570\u4e3a\u4ec5\u53ef\u8bfb<\/p>\n<pre><code class=\"language-bash\">mkdir \/db2\nmount -t xfs -o ro \/dev\/sdb2 \/db2\ntouch \/db2\/new_file\ntouch:cannot touch &#039;\/db2\/new_file&#039;:Read-only file system<\/code><\/pre>\n<h4>\u4e34\u65f6\u5378\u8f7dumount<\/h4>\n<ul>\n<li>\u5982\u679c\u4e0d\u60f3\u4f7f\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528<code>umount [device|directory]<\/code>\u8fdb\u884c\u4e34\u65f6\u5378\u8f7d\n<ul>\n<li><code>-l<\/code>\uff1a\u5f3a\u5236\u5378\u8f7d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>1.\u5378\u8f7d\u5165\u53e3\u76ee\u5f55\u793a\u4f8b<\/p>\n<p><code>umount \/db1<\/code><\/p>\n<p>2.\u5378\u8f7d\u8bbe\u5907\u65b9\u5f0f\u793a\u4f8b<\/p>\n<p><code>umount \/dev\/sdb1<\/code><\/p>\n<p>3.\u5982\u78b0\u5230\u65e0\u6cd5\u6b63\u5e38\u5378\u8f7d\u60c5\u51b5\u5904\u7406<\/p>\n<pre><code class=\"language-bash\">umount \/db1\numount:\/db1: device is busy.\n(In some cases useful info about processes that use\nthe device is found by lsof(8) or fuser(1))\n# \u5982\u4e0a\u60c5\u51b5\u89e3\u51b3\u529e\u6cd5\u67092\u79cd\uff0c1.\u5207\u6362\u81f3\u5176\u4ed6\u76ee\u5f55 2.\u5f3a\u5236\u5378\u8f7d\numount -l \/db1<\/code><\/pre>\n<h4>\u6c38\u4e45\u6302\u8f7dfstab<\/h4>\n<ul>\n<li>\u5982\u679c\u9700\u8981\u5b9e\u73b0\u6c38\u4e45\u6302\u8f7d\uff0c\u5219\u9700\u8981\u5c06\u6302\u8f7d\u76f8\u5173\u4fe1\u606f\u5199\u5165<code>\/etc\/fstab<\/code>\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9e\u73b0<\/li>\n<\/ul>\n<h5>\u6c38\u4e45\u6302\u8f7d\u914d\u7f6e<\/h5>\n<ul>\n<li>\u914d\u7f6e\u6587\u4ef6\u89c4\u8303\uff1a\u8bbe\u5907\u540d\u79f0|\u6302\u8f7d\u7684\u5165\u53e3\u76ee\u5f55|\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b|\u6302\u8f7d\u53c2\u6570|\u662f\u5426\u5907\u4efd|\u662f\u5426\u68c0\u67e5\n<ul>\n<li>1.\u83b7\u53d6\u8bbe\u5907\u540d\u79f0\uff0c\u6216\u8005\u83b7\u53d6\u8bbe\u5907<code>UUID<\/code>,<code>blkid # locate\/print block device attributes<\/code><\/li>\n<li>2.\u624b\u52a8\u4e34\u65f6\u6302\u8f7d\u6d4b\u8bd5<\/li>\n<li>3.\u5199\u5165<code>\/etc\/fstab<\/code>\u914d\u7f6e\u6587\u4ef6<\/li>\n<li>4.\u4f7f\u7528<code>mount -a<\/code>\u68c0\u67e5\u662f\u5426\u5b58\u5728\u9519\u8bef<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>1.\u83b7\u53d6\u8bbe\u5907\u540d\u79f0\uff0c\u6216\u8bbe\u5907\u7684<code>UUID<\/code><\/p>\n<pre><code class=\"language-bash\">blkid | grep &quot;sdb1&quot;\n\/dev\/sdb1: UUID=&quot;2de1527e-09c2-4cb7-8d79-0d974bd6d0fb&quot; TYPE=&quot;xfs&quot;<\/code><\/pre>\n<p>2.\u624b\u52a8\u6302\u8f7d\u6d4b\u8bd5<\/p>\n<p><code>mount UUID=&quot;2de1527e-09c2-4cb7-8d79-0d974bd6d0fb&quot; \/db1<\/code><\/p>\n<p>3.\u5199\u5165<code>\/etc\/fstab<\/code>\u6d4b\u8bd5<\/p>\n<pre><code class=\"language-bash\"># \u624b\u52a8\u7f16\u5199\nvim \/etc\/fstab\nUUID=2de1527e-09c2-4cb7-8d79-0d974bd6d0fb \/db1 xfs defaults 0 0\n# \u81ea\u52a8\u5b9e\u73b0\nblkid | grep \/dev\/vda1 | awk -F &#039;&quot;&#039; &#039;{print $2}&#039; | sed -r &#039;s#(.*)#\\1 \/db1 xfs defaults 0 0#g&#039; &gt;&gt; \/etc\/fstab\nblkid | grep \/dev\/vda1 | awk -F &#039;&quot;&#039; &#039;{print $2}&#039; | sed -r &#039;s#$# \/db1 xfs defaults 0 0#&#039; | sed -r &#039;s\/^\/UUID=\/&#039; &gt;&gt; \/etc\/fstab<\/code><\/pre>\n<p>4.\u52a0\u8f7d<code>\/etc\/fstab<\/code>\u914d\u7f6e\u6587\u4ef6\uff0c\u540c\u65f6\u68c0\u6d4b\u662f\u5426\u5b58\u5728\u8bed\u6cd5\u9519\u8bef<\/p>\n<p><code>mount -a<\/code><\/p>\n<ul>\n<li>\u4e91\u5e73\u53f0\u6269\u5bb9\u865a\u673a\u786c\u76d8\u7684\u5bb9\u91cf\u540e\uff0c\u6267\u884c<code>xfs_growfs \/dev\/sda<\/code>  \u5237\u65b0<code>xfs<\/code>\u6587\u4ef6\u7cfb\u7edf\u5bb9\u91cf<\/li>\n<\/ul>\n<h5>\u914d\u7f6e\u6587\u4ef6\/etc\/fstab<\/h5>\n<ul>\n<li><code>\/etc\/fstab<\/code>\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f\n<ul>\n<li>\u7b2c\u4e00\u5217\uff1a\u6307\u5b9a\u9700\u8981\u6302\u8f7d\u7684\u8bbe\u5907\u3002\u8bbe\u5907\u540d\u79f0\uff1a<code>\/dev\/sdb1<\/code>\uff0c\u8bbe\u5907<code>ID\uff1aUUID<\/code><\/li>\n<li>\u7b2c\u4e8c\u5217\uff1a\u6302\u8f7d\u7684\u5165\u53e3\u76ee\u5f55<\/li>\n<li>\u7b2c\u4e09\u5217\uff1a\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u3002<code>xfs\u3001ext4<\/code>\u7c7b\u578b<\/li>\n<li>\u7b2c\u56db\u5217\uff1a\u6302\u8f7d\u53c2\u6570<br \/>\n<code>async\/sync<\/code>\uff1a\u4f7f\u7528\u540c\u6b65\u6216\u8005\u5f02\u6b65\u65b9\u5f0f\u5b58\u50a8\u6570\u636e\u3002\u9ed8\u8ba4<code>async<\/code><br \/>\n<code>user\/nouser<\/code>\uff1a\u662f\u5426\u5141\u8bb8\u666e\u901a\u7528\u6237\u4f7f\u7528<code>mount<\/code>\u547d\u4ee4\u6302\u8f7d\u3002\u9ed8\u8ba4<code>nouser<\/code><br \/>\n<code>exec\/noexe<\/code>\uff1a\u662f\u5426\u5141\u8bb8\u53ef\u6267\u884c\u6587\u4ef6\u6267\u884c\u3002\u9ed8\u8ba4<code>exec<\/code><br \/>\n<code>suid\/nosuid<\/code>\uff1a\u662f\u5426\u5141\u8bb8\u5b58\u5728<code>suid<\/code>\u5c5e\u6027\u7684\u6587\u4ef6\u3002\u9ed8\u8ba4<code>suid<\/code><br \/>\n<code>auto\/noauto<\/code>\uff1a\u6267\u884c<code>mount -a<\/code>\u547d\u4ee4\u65f6\uff0c\u6b64\u6587\u4ef6\u7cfb\u7edf\u662f\u5426\u88ab\u4e3b\u52a8\u6302\u8f7d\u3002\u9ed8\u8ba4<code>auto<\/code><br \/>\n<code>rw\/ro<\/code>\uff1a\u662f\u5426\u4ee5\u53ea\u8bfb\u6216\u8005\u8bfb\u5199\u6a21\u5f0f\u8fdb\u884c\u6302\u8f7d\u3002\u9ed8\u8ba4<code>rw<\/code><br \/>\n<code>default<\/code>\uff1a\u5177\u6709<code>rw,suid,dev,exec,auto,nouser,async<\/code>\u7b49\u53c2\u6570<\/li>\n<li>\u7b2c\u4e94\u5217\uff1a\u662f\u5426\u8981\u5907\u4efd\u6570\u636e\u30020\uff1a\u4e0d\u505a\u5907\u4efd\uff0c1\uff1a\u6bcf\u5929\u8fdb\u884c\u5907\u4efd\u64cd\u4f5c\uff0c2\uff1a\u4e0d\u5b9a\u65e5\u671f\u7684\u8fdb\u884c\u5907\u4efd\u64cd\u4f5c<\/li>\n<li>\u7b2c\u516d\u5217\uff1a\u5f00\u673a\u662f\u5426\u68c0\u9a8c\u6247\u533a<br \/>\n0\uff1a\u4e0d\u8981\u68c0\u9a8c\u78c1\u76d8\u6b7b\u5426\u6709\u574f\u9053<br \/>\n1\uff1a\u68c0\u9a8c<br \/>\n2\uff1a\u6821\u9a8c\uff08\u5f531\u7ea7\u522b\u68c0\u9a8c\u5b8c\u6210\u4e4b\u540e\u8fdb\u884c2\u7ea7\u522b\u68c0\u9a8c\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u865a\u62df\u78c1\u76d8SWAP<\/h3>\n<h4>\u4ec0\u4e48\u662fSWAP<\/h4>\n<ul>\n<li><code>swap<\/code>\u5206\u533a\u5728\u7cfb\u7edf\u7684\u7269\u7406\u5185\u5b58\u4e0d\u591f\u65f6\uff0c\u5c06\u786c\u76d8\u4e2d\u7684\u4e00\u90e8\u5206\u7a7a\u95f4\u4f9b\u5f53\u524d\u8fd0\u884c\u7684\u7a0b\u5e8f\u4f7f\u7528<\/li>\n<\/ul>\n<h4>\u4e3a\u4ec0\u4e48\u9700\u8981SWAP<\/h4>\n<ul>\n<li>\u5f53\u7269\u7406\u5185\u5b58\u4e0d\u591f\u65f6\u4f1a\u968f\u673a<code>kill<\/code>\u5360\u7528\u5185\u5b58\u7684\u8fdb\u7a0b\uff0c\u4ece\u800c\u4ea7\u751f<code>oom<\/code>\u4e34\u65f6\u4f7f\u7528<code>swap<\/code>\u53ef\u4ee5\u89e3\u51b3<\/li>\n<\/ul>\n<h4>SWAP\u57fa\u672c\u5e94\u7528<\/h4>\n<p>1.\u521b\u5efa\u5206\u533a\uff0c\u5e76\u683c\u5f0f\u5316\u4e3a<code>swap<\/code>\u5206\u533a<\/p>\n<p><code>mkswap # set up a Linux swap area<\/code><\/p>\n<pre><code class=\"language-bash\">fdisk \/dev\/sdb\n# \u683c\u5f0f\u5316\u4e3aswap\nmkswap \/dev\/sdb<\/code><\/pre>\n<p>2.\u67e5\u770b\u5f53\u524d<code>swap<\/code>\u5206\u533a\u5927\u5c0f<\/p>\n<p><code>free # Display amount of free and used memory in the system<\/code><\/p>\n<pre><code class=\"language-bash\">free -m # Display the amount of memory in megabytes.\n              total        used        free      shared  buff\/cache   available\nMem:           7963         641        5628          93        1693        6930\nSwap:          4095           0        4095<\/code><\/pre>\n<h5>\u6269\u5c55swap\u5206\u533a<\/h5>\n<p><code>swapon # enable\/disable devices and files for paging and swapping<\/code><\/p>\n<ul>\n<li>\u6269\u5c55<code>swap<\/code>\u5206\u533a\uff0c\u4f7f\u7528<code>swapon<\/code>\u547d\u4ee4\n<ul>\n<li><code>swapon device<\/code>\uff1a\u5c06\u67d0\u4e2a\u78c1\u76d8\u5927\u5c0f\u6dfb\u52a0\u5230<code>swap<\/code>\u5206\u533a\u4e2d<\/li>\n<li><code>swapon -a,--all<\/code>\uff1a\u6dfb\u52a0\u6240\u6709<code>swap<\/code>\u5206\u533a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">mkswap \/dev\/sdb1\nswapon \/dev\/sdb1\nfree -m<\/code><\/pre>\n<h5>\u7f29\u5c0fswap\u5206\u533a<\/h5>\n<ul>\n<li>\u7f29\u5c0f<code>swap<\/code>\u5206\u533a\uff0c\u4f7f\u7528<code>swapoff<\/code>\u547d\u4ee4\n<ul>\n<li><code>swapoff device<\/code>\uff1a\u5173\u95ed\u67d0\u4e2a\u78c1\u76d8\u7684<code>swap<\/code>\u5206\u533a<\/li>\n<li><code>swapoff -a,--all<\/code>\uff1a\u5173\u95ed\u6240\u6709<code>swap<\/code>\u5206\u533a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">swapoff \/dev\/sdb1\nfree -m<\/code><\/pre>\n<h3>\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<h4>\u6587\u4ef6\u7cfb\u7edf\u7684\u4f5c\u7528<\/h4>\n<ul>\n<li>\u7528\u6237\u65e0\u6cd5\u76f4\u63a5\u4e0e\u786c\u4ef6\u8fdb\u884c\u4ea4\u4e92\uff0c\u90a3\u5982\u679c\u9700\u8981\u7533\u8bf7<code>100G<\/code>\u78c1\u76d8\u7a7a\u95f4\uff0c\u600e\u4e48\u529e\uff1f<\/li>\n<li>\u4e3a\u4e86\u7b80\u5316\u78c1\u76d8\u4f7f\u7528\u7684\u8fc7\u7a0b\uff0c\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e00\u4e2a\u8f85\u52a9\u7cfb\u7edf<code>FS<\/code>\uff08\u6587\u4ef6\u7cfb\u7edf\uff09<\/li>\n<\/ul>\n<h4>\u6587\u4ef6\u7cfb\u7edf\u7684\u7c7b\u578b<\/h4>\n<ul>\n<li><code>windows\uff1afat32\u3001ntfs<\/code><\/li>\n<li><code>linux\uff1aext2\u3001ext3\u3001ext4\u3001xfs\u3001vfat\u3001ntfs-3g<\/code><\/li>\n<\/ul>\n<h4>\u6587\u4ef6\u7cfb\u7edf\u7ed3\u6784<\/h4>\n<ul>\n<li>\u78c1\u76d8\u88ab\u5212\u5206\u4e3a\u4e24\u5927\u5b58\u50a8\u533a\u57df\uff0c\u4e00\u7c7b\u662f\u5b58\u50a8\u5143\u6570\u636e<code>inode<\/code>\uff0c\u4e00\u7c7b\u662f\u5b58\u50a8\u771f\u5b9e\u6570\u636e<code>data block<\/code>\n<ul>\n<li><code>inode<\/code>\u5212\u5206\u4e86\u5f88\u591a<code>inode block<\/code>\uff0c\u6bcf\u4e2a<code>block<\/code>\u5757\u4e3a<code>128B<\/code><\/li>\n<li><code>data<\/code>\u5212\u5206\u4e86\u5f88\u591a<code>data block<\/code>\uff0c\u6bcf\u4e2a<code>block<\/code>\u5757\u4e3a<code>4K<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\u5982\u4e0b\u56fe\u6240\u793a\uff1a\u78c1\u76d8\u5728\u5b58\u50a8\u6587\u4ef6\u65f6\uff0c\u81f3\u5c11\u5360\u7528\u4e00\u4e2a<code>inode<\/code>\u3001\u4e0e\u4e00\u4e2a<code>block<\/code><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713519383258.png\" alt=\"file\" \/><\/p>\n<ul>\n<li>\u76ee\u524d\u6709\u4e2a<code>1T<\/code>\u7684\u78c1\u76d8\u8bbe\u5907\uff0c\u90a3\u4e48\u5b83\u88ab\u683c\u5f0f\u5316\u540e\u4f1a\u88ab\u5212\u5206\u4e3a\u51e0\u5343\u4e07\u4e2a<code>4K<\/code>\u7684<code>block<\/code>\u5757\uff0c\u90a3\u5982\u4f55\u4ece\u8fd9\u4e48\u591a<code>block<\/code>\u5757\u4e2d\u5b9a\u4f4d\u5230\u54ea\u4e2a\u662f\u53ef\u7528\u7684\uff0c\u54ea\u4e2a\u662f\u4e0d\u53ef\u7528\u7684\u5462<\/li>\n<li>\u5982\u679c\u8fdb\u884c\u5168\u76d8\u626b\u63cf\uff0c\u4e00\u6b21\u8981\u626b\u63cf\u51e0\u5343\u4e07\u4e2a<code>block<\/code>\u5757\uff0c\u9700\u8981\u82b1\u8d39\u5f88\u957f\u7684\u65f6\u95f4\uff0c\u6709\u4ec0\u4e48\u529e\u6cd5\u53ef\u4ee5\u89e3\u51b3\n<ul>\n<li><code>inode bitmap\uff1ainode<\/code>\u4f4d\u56fe<\/li>\n<li><code>block bitmap\uff1ablock<\/code>\u4f4d\u56fe<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713519974270.png\" alt=\"file\" \/><\/p>\n<ul>\n<li>\u6587\u4ef6\u5220\u9664\u539f\u7406\n<ul>\n<li>\u9996\u5148\u5220\u9664\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u540d\u79f0\uff0c\u7136\u540e\u5c06<code>inode\u3001block<\/code>\u7684<code>bitmap<\/code>\u72b6\u6001\u4fee\u6539\u4e3a\u53ef\u7528\u72b6\u6001\uff0c\u4f46\u6587\u4ef6\u5e76\u6ca1\u6709\u771f\u6b63\u7684\u88ab\u5220\u9664\uff0c\u8fd8\u6709\u6062\u590d\u7684\u53ef\u80fd\u6027\uff0c\u800c\u4e00\u65e6\u6709\u65b0\u7684\u6570\u636e\u5199\u5165\uff0c\u5c06\u5176\u8986\u76d6\uff0c\u6570\u636e\u624d\u7b97\u771f\u6b63\u7684\u5220\u9664<\/li>\n<\/ul>\n<\/li>\n<li>\u6587\u4ef6\u79fb\u52a8\u539f\u7406\n<ul>\n<li>\u4ec5\u4ec5\u5c06\u6587\u4ef6\u540d\u79f0\u4ece\u4e00\u4e2a\u76ee\u5f55\u79fb\u52a8\u5230\u53e6\u4e00\u4e2a\u76ee\u5f55\u4e0b\u9762\uff0c\u5e76\u4e0d\u4f1a\u4fee\u6539\u5176<code>inode<\/code>\u548c<code>block<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u6587\u4ef6\u7cfb\u7edf\u6545\u969c\u4fee\u590d<\/h4>\n<ul>\n<li>\u5728<code>linux<\/code>\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u4e86\u589e\u52a0\u7cfb\u7edf\u6027\u80fd\uff0c\u901a\u5e38\u7cfb\u7edf\u4f1a\u5c06\u4e00\u4e9b\u6570\u636e\u5148\u5199\u5165\u5185\u5b58\u4e2d\uff0c\u7136\u540e\u518d\u5237\u65b0\u81f3\u78c1\u76d8\u4e2d<\/li>\n<li>\u4e07\u4e00\u516c\u53f8\u670d\u52a1\u5668\u7a81\u7136\u65ad\u7535\u6216\u8005\u5176\u4ed6\u672a\u77e5\u539f\u56e0\uff0c\u518d\u6b21\u542f\u52a8\u540e\uff0c\u4f1a\u9020\u6210\u6587\u4ef6\u7cfb\u7edf\u9519\u8bef<\/li>\n<\/ul>\n<p>1.\u4f7f\u7528<code>xfs_repair<\/code>\u4fee\u590d\u6587\u4ef6\u7cfb\u7edf<br \/>\n<code>xfs_repair \/dev\/sdc1<\/code><br \/>\n2.\u5982\u51fa\u73b0\u4fee\u590d\u5931\u8d25\uff0c\u53ef\u91c7\u7528\u5f3a\u5236\u4fee\u590d\uff0c\u4f46\u53ef\u80fd\u4f1a\u9020\u6210\u90e8\u5206\u6570\u636e\u4e22\u5931<br \/>\n<code>xfs_repair -L \/dev\/sdc1<\/code><\/p>\n<h3>\u903b\u8f91\u5377lvm<\/h3>\n<h4>\u4e3a\u4f55\u8981\u7528lvm<\/h4>\n<ul>\n<li>\u5f53\u521a\u5f00\u59cb\u5b89\u88c5<code>linux<\/code>\u7cfb\u7edf\u65f6\uff0c\u5f80\u5f80\u4e0d\u80fd\u786e\u5b9a\u6bcf\u4e2a\u5206\u533a\u4f7f\u7528\u7684\u7a7a\u95f4\u5927\u5c0f\uff0c\u53ea\u80fd\u51ed\u7ecf\u9a8c\u5206\u914d\u4e0d\u79d1\u5b66\n<ul>\n<li>\u5982\u679c\u5206\u533a\u8bbe\u7f6e\u7684\u8fc7\u5927\uff0c\u5c31\u6d6a\u8d39\u4e86\u78c1\u76d8\u7a7a\u95f4<\/li>\n<li>\u5982\u679c\u5206\u533a\u8bbe\u7f6e\u7684\u8fc7\u5c0f\uff0c\u5c31\u4f1a\u5bfc\u81f4\u7a7a\u95f4\u4e0d\u591f<\/li>\n<\/ul>\n<\/li>\n<li>\u5982\u4f55\u5e0c\u671b\u5206\u914d\u7684\u7a7a\u95f4\u8fc7\u5927\u6216\u8fc7\u5c0f\uff0c\u90fd\u80fd\u52a8\u6001\u8c03\u6574\uff0c\u5219\u9700\u8981\u4f7f\u7528<code>lvm<\/code>\u903b\u8f91\u5377<\/li>\n<\/ul>\n<h4>\u4ec0\u4e48\u662flvm<\/h4>\n<ul>\n<li><code>LVM<\/code>\u662f<code>logical volume manager<\/code>\u903b\u8f91\u5377\u7ba1\u7406\u7684\u7b80\u5199\uff0c\u5b83\u662f\u5bf9\u78c1\u76d8\u5206\u533a\u7ba1\u7406\u7684\u4e00\u79cd\u673a\u5236<\/li>\n<li><code>LVM<\/code>\u4f18\u70b9\uff1a\n<ul>\n<li><code>LVM<\/code>\u53ef\u4ee5\u521b\u5efa\u548c\u7ba1\u7406\u903b\u8f91\u5377\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528\u7269\u7406\u786c\u76d8<\/li>\n<li><code>LVM<\/code>\u53ef\u4ee5\u5f39\u6027\u7684\u7ba1\u7406\u903b\u8f91\u5377\u7684\u6269\u5927\u7f29\u5c0f\uff0c\u64cd\u4f5c\u7b80\u5355\uff0c\u800c\u4e0d\u635f\u574f\u5df2\u5b58\u50a8\u7684\u6570\u636e<\/li>\n<li><code>LVM<\/code>\u53ef\u4ee5\u968f\u610f\u5c06\u65b0\u7684\u786c\u76d8\u6dfb\u52a0\u5230<code>LVM<\/code>\uff0c\u4ee5\u76f4\u63a5\u6269\u5c55\u5df2\u7ecf\u5b58\u5728\u7684\u903b\u8f91\u5377<\/li>\n<\/ul>\n<\/li>\n<li><code>LVM<\/code>\u7f3a\u70b9\uff1a\n<ul>\n<li><code>LVM<\/code>\u5982\u679c\u6709\u4e00\u4e2a\u78c1\u76d8\u635f\u574f\uff0c\u6574\u4e2a<code>LVM<\/code>\u90fd\u574f\u4e86\uff0c<code>LVM<\/code>\u53ea\u6709\u52a8\u6001\u6269\u5c55\u4f5c\u7528<\/li>\n<li>\u89e3\u51b3\u529e\u6cd5\uff1a\u7528<code>RAID+LVM<\/code>\uff0c\u65e2\u6709\u5197\u4f59\u53c8\u6709\u52a8\u6001\u6269\u5c55<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>lvm\u76f8\u5173\u672f\u8bed<\/h4>\n<ul>\n<li>\u7269\u7406\u5377\uff08PV\uff09\uff1a\u5c06\u5e38\u89c4\u7684\u78c1\u76d8\u901a\u8fc7<code>pvcreate<\/code>\u547d\u4ee4\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u5f62\u6210\u4e86\u7269\u7406\u5377\u3002\uff08\u9762\u7c89\uff09<\/li>\n<li>\u5377\u7ec4\uff08VG\uff09\uff1a\u628a\u591a\u4e2a\u7269\u7406\u5377\u7ec4\u6210\u4e00\u4e2a\u903b\u8f91\u7684\u6574\u4f53\uff0c\u8fd9\u6837\u5377\u7ec4\u7684\u5927\u5c0f\u5c31\u662f\u591a\u4e2a\u76d8\u4e4b\u548c\u3002\uff08\u5927\u9762\u56e2\uff09<\/li>\n<li>\u903b\u8f91\u5377\uff08LV\uff09\uff1a\u4ece\u5377\u7ec4\u5212\u5206\u9700\u8981\u7684\u7a7a\u95f4\u5927\u5c0f\u51fa\u6765\uff0c\u7528\u6237\u4ec5\u9700\u8981\u5bf9\u5176\u683c\u5f0f\u5316\u7136\u540e\u5373\u53ef\u6302\u8f7d\u4f7f\u7528\u3002\uff08\u5207\u6210\u9992\u5934\uff09<\/li>\n<li>\u57fa\u672c\u5355\u5143\uff08PE\uff09\uff1a\u5206\u914d\u7684\u903b\u8f91\u5927\u5c0f\u7684\u6700\u5c0f\u5355\u5143\uff0c\u9ed8\u8ba44MB\uff0c\u5047\u8bbe\u5206\u914d100MB\u7684\u7a7a\u95f4\uff0c\u5219\u9700\u8981\u521b\u5efa25\u4e2a<code>PE<\/code><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713618220321.png\" alt=\"file\" \/><\/p>\n<h4>lvm\u914d\u7f6e\u5b9e\u8df5<\/h4>\n<h5>\u73af\u5883\u4e0e\u601d\u8def<\/h5>\n<ul>\n<li>1.\u51c6\u5907\u4e09\u5757\u7269\u7406\u78c1\u76d8\uff0c\u5efa\u8bae\u5728\u865a\u62df\u673a\u5173\u95ed\u72b6\u6001\u6dfb\u52a0\uff0c\u4ee5\u4fbf\u66f4\u597d\u7684\u5b9e\u9a8c<\/li>\n<li>2.\u521b\u5efa\u7269\u7406\u5377\uff0c\u5c06\u666e\u901a\u78c1\u76d8\u8f6c\u6362\u4e3a\u7269\u7406\u5377<\/li>\n<li>3.\u521b\u5efa\u5377\u7ec4\uff0c\u5c06\u7269\u7406\u5377\u52a0\u5165\u5230\u5377\u7ec4\u4e2d<\/li>\n<li>4.\u5728\u5377\u7ec4\u4e2d\u5212\u5206\u903b\u8f91\u5377\uff0c\u7136\u540e\u6302\u8f7d\u4f7f\u7528<\/li>\n<\/ul>\n<h5>\u521b\u5efa\u7269\u7406\u5377<\/h5>\n<p>1.\u5c06\u78c1\u76d8\u8f6c\u6362\u4e3a\u7269\u7406\u5377\uff0c\u5e76\u52a0\u5165<code>pv<\/code><\/p>\n<p><code>pvcreate # initialize a disk or partition for use by LVM<\/code><\/p>\n<pre><code class=\"language-bash\">pvcreate \/dev\/sdb\nPhysical volume &quot;\/dev\/sdb&quot; successfully created.<\/code><\/pre>\n<p>2.\u68c0\u6d4b<code>pv<\/code>\u521b\u5efa\u60c5\u51b5<\/p>\n<p><code>pvs # report information about physical volumes<\/code><\/p>\n<pre><code class=\"language-bash\">pvs\nPV         VG     Fmt  Attr PSize   PFree\n\/dev\/vda2  centos lvm2 a--  &lt;39.00g    0<\/code><\/pre>\n<h5>\u521b\u5efa\u5377\u7ec4<\/h5>\n<p>1.\u521b\u5efa\u540d\u4e3a<code>datavg<\/code>\u7684\u5377\u7ec4\uff0c\u7136\u540e\u5c06\u7269\u7406\u5377\u52a0\u5165\u8fdb\u5377\u7ec4<\/p>\n<pre><code class=\"language-bash\">vgcreate datavg \/dev\/sdb\nVolume group &quot;datavg&quot; successfully created<\/code><\/pre>\n<p>2.\u68c0\u67e5\u5377\u7ec4\uff08\u53d1\u73b0\u5b58\u5728\u4e00\u4e2aPV\u5377\uff09<\/p>\n<pre><code class=\"language-bash\">vgs\nVG     #PV #LV #SN Attr   VSize   VFree\ncentos   1   2   0 wz--n- &lt;39.00g    0<\/code><\/pre>\n<h5>\u521b\u5efa\u903b\u8f91\u5377<\/h5>\n<p>1.\u5206\u914d<code>datavg<\/code>\u7684\u903b\u8f91\u5377\uff0c<code>-n<\/code>\u6307\u5b9a\u903b\u8f91\u5377\u540d\u79f0\uff0c<code>-L<\/code>\u6307\u5b9a\u903b\u8f91\u5377\u5927\u5c0f<\/p>\n<p><code>lvcreate # create a logical volume in an existing volume group<\/code><\/p>\n<pre><code class=\"language-bash\">lvcreate -L 100M -n lv1 datavg\nLogic volume &quot;lv1&quot; created.<\/code><\/pre>\n<p>2.\u68c0\u67e5\u903b\u8f91\u5377<code>lvs\/lvscan<\/code><\/p>\n<pre><code class=\"language-bash\">lvscan\nACTIVE            &#039;\/dev\/centos\/swap&#039; [4.00 GiB] inherit\nACTIVE            &#039;\/dev\/centos\/root&#039; [&lt;35.00 GiB] inherit<\/code><\/pre>\n<h5>\u6302\u8f7d\u4f7f\u7528<\/h5>\n<p>1.\u683c\u5f0f\u5316\u903b\u8f91\u5377<\/p>\n<p><code>mkfs.xfs \/dev\/datavg\/lv1<\/code><\/p>\n<p>2.\u521b\u5efa\u76ee\u5f55\u5e76\u6302\u8f7d<\/p>\n<p><code>df # report file system disk space usage<\/code><br \/>\n<code>-h,--human-readable(print sizes in human readable format)<\/code><br \/>\n<code>-i,--inodes(list inode information instead of block usage)<\/code><\/p>\n<pre><code class=\"language-bash\">mkdir \/lv1\nmount \/dev\/datavg\/lv1 \/lv1\/\ndf -h<\/code><\/pre>\n<h4>lvm\u5377\u7ec4\u7ba1\u7406<\/h4>\n<h5>\u6269\u5927\u5377\u7ec4<\/h5>\n<p>1.\u51c6\u5907\u65b0\u7684\u78c1\u76d8\u8f6c\u6362\u4e3a<code>pv<\/code>\uff0c\u7136\u540e\u68c0\u67e5\u5377\u7ec4\u5f53\u524d\u7684\u5927\u5c0f<\/p>\n<pre><code class=\"language-bash\">pvcreate \/dev\/sdc\nvgs<\/code><\/pre>\n<p>2.\u4f7f\u7528<code>vgextend<\/code>\u6269\u5c55\u5377\u7ec4<\/p>\n<pre><code class=\"language-bash\">vgextend datavg \/dev\/sdc\nVolume group &quot;datavg&quot; successfully exttended<\/code><\/pre>\n<p>3.\u518d\u6b21\u68c0\u67e5\uff0c\u53d1\u73b0\u5377\u7ec4\u5df2\u7ecf\u6269\u5927\u3002<code>vgs<\/code><\/p>\n<h5>\u7f29\u51cf\u5377\u7ec4<\/h5>\n<ul>\n<li>\u5047\u8bbe\u60f3\u79fb\u9664<code>\/dev\/sdb<\/code>\u78c1\u76d8\uff0c\u5efa\u8bae\u5148\u5c06<code>sdb<\/code>\u78c1\u76d8\u6570\u636e\u5148\u8fc1\u79fb\u5230<code>sdc<\/code>\u78c1\u76d8\uff0c\u7136\u540e\u518d\u79fb\u9664<\/li>\n<li>\u6ce8\u610f\uff1a\u540c\u4e00\u5377\u7ec4\u7684\u78c1\u76d8\u624d\u53ef\u4ee5\u8fdb\u884c\u5728\u7ebf\u8fc1\u79fb<\/li>\n<\/ul>\n<p>1.\u68c0\u67e5\u5f53\u524d\u5377\u7ec4<code>vg<\/code>\u4e2d<code>pv<\/code>\u4f7f\u7528\u60c5\u51b5\u3002<code>pvs<\/code><\/p>\n<p>2.<code>pvmove # move physical extents<\/code>\u5728\u7ebf\u6570\u636e\u8fc1\u79fb\uff0c\u5c06<code>sdb<\/code>\u7684\u6570\u636e\u8fc1\u79fb\u81f3<code>sdc<\/code><\/p>\n<pre><code class=\"language-bash\">pvmove \/dev\/sdb\n\/dev\/sdb:Moved:100.00%<\/code><\/pre>\n<p>3.\u68c0\u67e5\u662f\u5426\u5c06<code>sdb<\/code>\u6570\u636e\u8fc1\u79fb\u81f3<code>sdc<\/code>\u3002<code>pvs<\/code><\/p>\n<p>4.\u4ece\u5377\u7ec4\u4e2d\u79fb\u9664<code>sdb<\/code>\u78c1\u76d8<\/p>\n<pre><code class=\"language-bash\">vgreduce datavg \/dev\/sdb\nRemoved &quot;\/dev\/sdb&quot; from volume group &quot;datavg&quot;<\/code><\/pre>\n<h4>lvm\u903b\u8f91\u5377\u7ba1\u7406<\/h4>\n<h5>\u6269\u5c55\u903b\u8f91\u5377\u7ec4<\/h5>\n<ul>\n<li>\u6269\u5c55\u903b\u8f91\u5377\u7ec4\uff1a\u53d6\u51b3\u4e8e<code>vg<\/code>\u5377\u4e2d\u662f\u5426\u8fd8\u6709\u5269\u4f59\u7684\u5bb9\u91cf<\/li>\n<li>\u6ce8\u610f\u6269\u5c55\u903b\u8f91\u5377\u4e0d\u80fd\u8d85\u8fc7\u5377\u7ec4<code>vg<\/code>\u7684\u603b\u5927\u5c0f<\/li>\n<\/ul>\n<p>1.\u6269\u5c55<code>lv<\/code>\u903b\u8f91\u5377\uff0c\u589e\u52a0<code>800M<\/code>\u5206\u914d\u7ed9\u903b\u8f91\u5377<\/p>\n<pre><code class=\"language-bash\">lvextend -L +800M \/dev\/datavg\/lv1\n# \u4e5f\u53ef\u4ee5\u9009\u62e9\u5206\u914d\u5377\u7ec4\u4e2d\u591a\u5c11\u767e\u5206\u6bd4\u7ed9\u903b\u8f91\u5377\nlvextend -l +50%FREE \/dev\/datavg\/lv1<\/code><\/pre>\n<p>2.\u6269\u5c55\u903b\u8f91\u5377\u540e\u9700\u8981\u66f4\u65b0<code>fs<\/code>\u6587\u4ef6\u7cfb\u7edf<\/p>\n<pre><code class=\"language-bash\">xfs_growfs \/dev\/datavg\/lv1  # xfs\u6587\u4ef6\u683c\u5f0f\u6269\u5bb9\nresize2fs \/dev\/datavg\/lv1  # ext\u6587\u4ef6\u683c\u5f0f\u6269\u5bb9<\/code><\/pre>\n<h5>\u7f29\u5c0f\u903b\u8f91\u5377<\/h5>\n<p>1.\u5378\u8f7d\u6302\u8f7d\u70b9 <code>umount \/lv1<\/code><\/p>\n<p>2.\u4f7f\u7528<code>lvreduce<\/code>\u8c03\u6574<code>lv<\/code>\u5927\u5c0f\u4e3a<code>1G<\/code><\/p>\n<p><code>lvreduce -L 1G \/dev\/datavg\/lv1<\/code><\/p>\n<p>3.\u91cd\u65b0\u6302\u8f7d\u5206\u533a<\/p>\n<p><code>mount -t xfs \/dev\/datavg\/lv1 \/lv1<\/code><\/p>\n<h5>\u5220\u9664\u903b\u8f91\u5377<\/h5>\n<p>1.\u5148\u5378\u8f7d\u6302\u8f7d\u70b9\uff0c\u7136\u540e\u518d\u79fb\u9664\u903b\u8f91\u5377<\/p>\n<pre><code class=\"language-bash\">umount \/dev\/datavg\/lv1\nlvremove \/dev\/datavg\/lv1<\/code><\/pre>\n<p>2.\u5220\u9664<code>vg<\/code><\/p>\n<p><code>vgremove datavg<\/code><\/p>\n<p>3.\u5220\u9664<code>pv<\/code><\/p>\n<pre><code class=\"language-bash\">pvremove \/dev\/sdb\npvremove \/dev\/sdc<\/code><\/pre>\n<h3>\u78c1\u76d8\u9635\u5217RAID<\/h3>\n<h4>\u4ec0\u4e48\u662fRAID<\/h4>\n<ul>\n<li><code>RAID<\/code>\u7b80\u79f0\u78c1\u76d8\u9635\u5217\uff0c\u90a3\u4ec0\u4e48\u662f\u9635\u5217<\/li>\n<li>\u53e4\u4ee3\u6253\u4ed7\u65f6\u4f1a\u5bf9\u58eb\u5175\u8fdb\u884c\u6392\u5175\u5e03\u9635\uff0c\u5176\u76ee\u7684\u5728\u4e8e\u63d0\u9ad8\u58eb\u5175\u7684\u6574\u4f53\u7684\u4f5c\u6218\u80fd\u529b\uff0c\u800c\u4e0d\u662f\u67d0\u4e2a\u58eb\u5175\u7684\u6218\u6597\u529b<\/li>\n<li>\u90a3\u4e48\u56de\u5230\u78c1\u76d8\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u591a\u5757\u76d8\u7ec4\u5408\u8fdb\u884c\u6392\u5217\uff0c\u63d0\u4f9b\u78c1\u76d8\u7684\u6574\u4f53\u8bfb\u5199\u80fd\u529b\u548c\u5197\u4f59\u80fd\u529b\uff0c\u901a\u5e38\u6211\u4eec\u5c06\u5176\u79f0\u4e3a\u78c1\u76d8\u9635\u5217<\/li>\n<\/ul>\n<h4>\u4e3a\u4ec0\u4e48\u9700\u8981RAID<\/h4>\n<ul>\n<li>1.\u63d0\u5347\u8bfb\u5199\u80fd\u529b\uff1a\u5728<code>RAID<\/code>\u4e2d\uff0c\u53ef\u4ee5\u8ba9\u5f88\u591a\u78c1\u76d8\u540c\u65f6\u4f20\u8f93\u6570\u636e\uff0c\u56e0\u4e3a\u591a\u5757\u78c1\u76d8\u5728\u903b\u8f91\u4e0a\u611f\u89c9\u662f\u4e00\u4e2a\u78c1\u76d8\uff0c\u6240\u4ee5\u4f7f\u7528<code>RAID<\/code>\u53ef\u4ee5\u8fbe\u5230\u5355\u4e2a\u78c1\u76d8\u7684\u51e0\u500d\u3001\u51e0\u5341\u500d\u751a\u81f3\u4e0a\u767e\u500d\u7684\u901f\u7387<\/li>\n<li>2.\u4fdd\u8bc1\u6570\u636e\u5b89\u5168\uff1a\u786c\u76d8\u975e\u5e38\u7684\u8106\u5f31\uff0c\u5b83\u7ecf\u5e38\u4f1a\u574f\u6389\uff0c\u6240\u4ee5\u6709\u4e86<code>RAID<\/code>\u3002\u5b83\u7684\u76ee\u7684\u662f\u5c06\u597d\u591a\u4e2a\u786c\u76d8\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5c31\u662f\u574f\u6389\u4e00\u5757\u76d8\uff0c\u4e5f\u4e0d\u5f71\u54cd\u670d\u52a1\u5668\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u4fdd\u8bc1\u78c1\u76d8\u9ad8\u53ef\u7528<\/li>\n<li><code>RAID<\/code>\u53ef\u4ee5\u9884\u9632\u6570\u636e\u4e22\u5931\uff0c\u4f46\u4e0d\u80fd\u767e\u5206\u767e\u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22\uff0c\u6240\u4ee5\u5728\u4f7f\u7528<code>RAID<\/code>\u7684\u540c\u65f6\u8fd8\u9700\u8981\u5907\u4efd\u6570\u636e<\/li>\n<\/ul>\n<h4>\u5b9e\u73b0RAID\u7684\u51e0\u79cd\u6a21\u5f0f<\/h4>\n<h5>RAID0<\/h5>\n<ul>\n<li><code>RAID0<\/code>\u6761\u5e26\u5377\uff0c\u6700\u5c11\u4e24\u5757\u76d8\u3002\u8bfb\u5199\u6027\u80fd\u597d\uff0c\u4f46\u6ca1\u6709\u5bb9\u9519\u673a\u5236\u3002\u574f\u4e00\u5757\u78c1\u76d8\u6570\u636e\u5168\u4e22\n<ul>\n<li>\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u7387\uff1a100%\uff0c\u6210\u672c\u4f4e<\/li>\n<li>\u8bfb\u6027\u80fd\uff1a<code>N x <\/code>\u5355\u5757\u78c1\u76d8\u7684\u8bfb\u6027\u80fd<\/li>\n<li>\u5199\u6027\u80fd\uff1a<code>N x <\/code>\u5355\u5757\u78c1\u76d8\u7684\u5199\u6027\u80fd<\/li>\n<li>\u5197\u4f59\uff1a\u65e0\uff0c\u4efb\u4f55\u4e00\u5757\u78c1\u76d8\u635f\u574f\u90fd\u5c06\u5bfc\u81f4\u6570\u636e\u4e0d\u53ef\u7528<\/li>\n<li>\u5e94\u7528\u573a\u666f\uff1a\u65e0\u72b6\u6001\u670d\u52a1\uff08<code>web<\/code>\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713655371353.png\" alt=\"file\" \/><\/p>\n<h5>RAID1<\/h5>\n<ul>\n<li><code>RAID1<\/code>\u955c\u50cf\u5377\uff0c\u5199\u5165\u6027\u80fd\u4e00\u822c\u3001\u8bfb\u53d6\u6027\u80fd\u5feb\u3001\u6709\u5bb9\u9519\u673a\u5236\uff0c\u4f46\u78c1\u76d8\u670950%\u6d6a\u8d39\n<ul>\n<li>\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u7387\uff1a50%\u6210\u672c\u8f83\u9ad8<\/li>\n<li>\u8bfb\u6027\u80fd\uff1a<code>N x <\/code>\u5355\u5757\u78c1\u76d8\u7684\u8bfb\u6027\u80fd<\/li>\n<li>\u5199\u6027\u80fd\uff1a<code>1 x <\/code>\u5355\u5757\u78c1\u76d8\u7684\u5199\u6027\u80fd<\/li>\n<li>\u5197\u4f59\uff1a\u5728\u8fd9\u4e00\u5bf9\u955c\u50cf\u76d8\u4e2d\u6709\u4e00\u5757\u78c1\u76d8\u53ef\u4ee5\u4f7f\u7528\uff0c\u90a3\u4e48\u65e0\u5f71\u54cd<\/li>\n<li>\u5e94\u7528\u573a\u666f\uff1a\u7cfb\u7edf\u76d8<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713655331523.png\" alt=\"file\" \/><\/p>\n<h5>RAID5<\/h5>\n<ul>\n<li><code>RAID5<\/code>\u6821\u9a8c\u5377\uff0c\u81f3\u5c113\u5757\u76f8\u540c\u5927\u5c0f\u7684\u76d8\uff0c\u5e76\u4e14\u53ea\u5141\u8bb8\u574f\u4e00\u5757\u76d8\uff0c\u6709\u6548\u7a7a\u95f4\uff08<code>N-1<\/code>\uff09\uff0c\u8bfb\u5199\u901f\u5ea6\u5feb\u3002\u574f\u6389\u4e00\u5757\u76d8\uff0c\u8bfb\u7684\u6027\u80fd\u4f1a\u4e0b\u964d\n<ul>\n<li>\u78c1\u76d8\u7a7a\u95f4\u5229\u7528\u7387\uff1a\uff08<code>N-1<\/code>\uff09\uff0c\u5373\u53ea\u6d6a\u8d39\u4e00\u5757\u78c1\u76d8\u7528\u4e8e\u5947\u5076\u6821\u9a8c<\/li>\n<li>\u8bfb\u6027\u80fd\uff1a<code>\uff08N-1\uff09x<\/code>\u5355\u5757\u78c1\u76d8\u7684\u8bfb\u6027\u80fd\uff0c\u63a5\u8fd1<code>RAID0<\/code>\u7684\u8bfb\u6027\u80fd<\/li>\n<li>\u5199\u6027\u80fd\uff1a<code>\uff08N-1\uff09x<\/code>\u5355\u5757\u78c1\u76d8\u7684\u5199\u6027\u80fd\uff0c\u5199\u5165\u6570\u636e\u9700\u8981\u505a\u6821\u9a8c\u503c\uff1b\u6027\u80fd\u4f1a\u4e0b\u964d<\/li>\n<li>\u5197\u4f59\uff1a\u53ea\u5141\u8bb8\u4e00\u5757\u78c1\u76d8\u635f\u574f\uff1b\u4fee\u590d\u65f6\u95f4\u4f1a\u6bd4\u8f83\u957f\uff0c\u4fee\u590d\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u51fa\u73b0\u5176\u4ed6\u76d8\u635f\u574f<\/li>\n<li>\u5e94\u7528\u573a\u666f\uff1a\u5e38\u89c4\u9009\u62e9<code>\uff08all\uff09<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713656327486.png\" alt=\"file\" \/><\/p>\n<h5>RAID10<\/h5>\n<ul>\n<li><code>RAID10<\/code>\uff0c\u5148\u505a<code>RAID1<\/code>\uff0c\u518d\u505a<code>RAID0<\/code>\n<ul>\n<li>\u78c1\u76d8\u7a7a\u95f4\u5229\u7528\u7387\uff1a<code>50%<\/code><\/li>\n<li>\u8bfb\u6027\u80fd<\/li>\n<li>\u5199\u6027\u80fd<\/li>\n<li>\u5197\u4f59\uff1a\u53ea\u8981\u4e00\u5bf9\u955c\u50cf\u76d8\u4e2d\u6709\u4e00\u5757\u78c1\u76d8\u53ef\u4ee5\u4f7f\u7528\u5c31\u6ca1\u95ee\u9898<\/li>\n<li>\u7528\u7528\u573a\u666f\uff1a\u6570\u636e\uff08<code>DB<\/code>\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/image-1713657875535.png\" alt=\"file\" \/><\/p>\n<h4>\u5b9e\u73b0RAID\u7684\u65b9\u5f0f<\/h4>\n<h5>\u786cRAID<\/h5>\n<ul>\n<li>\u786c<code>RAID<\/code>\u4f7f\u7528\u786c\u4ef6\u9635\u5217\u5361\uff0c\u5728\u5b89\u88c5\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u524d\u8fdb\u5165<code>bios<\/code>\u914d\u7f6e<\/li>\n<\/ul>\n<h5>\u8f6fRAID<\/h5>\n<ul>\n<li>\u8f6f<code>RAID<\/code>\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u8f6f\u4ef6\u6765\u5b9e\u73b0\uff0c\u6027\u80fd\u8fdc\u4e0d\u5982\u786c<code>RAID<\/code>\uff0c\u4ec5\u6d4b\u8bd5\u6548\u679c<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u78c1\u76d8\u6982\u8ff0 \u4ec0\u4e48\u662f\u78c1\u76d8 \u5927\u591a\u6570\u4eba\u5bf9\u786c\u76d8\u90fd\u4e0d\u964c\u751f\uff0c\u4e00\u5757\u5c0f\u5c0f\u7684\u786c\u76d8\u91cc\uff0c\u5c31\u53ef\u4ee5\u5b58\u50a8\u6d77\u91cf\u7684\u7167\u7247\u97f3\u4e50\u548c\u7535\u5f71\uff0c\u5c24\u5176\u662f\u6211\u4eec\u559c\u7231&#8230; &raquo; <a class=\"read-more-link\" 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