{"id":28692,"date":"2024-02-04T02:48:21","date_gmt":"2024-02-05T00:44:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8xfs%e5%91%bd%e4%bb%a4%e6%9b%b4%e6%94%b9%e6%96%87%e4%bb%b6%e7%9a%84%e5%b1%9e%e6%80%a7-2\/"},"modified":"2025-08-12T09:34:40","modified_gmt":"2025-08-12T01:34:40","slug":"%e4%bd%bf%e7%94%a8xfs%e5%91%bd%e4%bb%a4%e6%9b%b4%e6%94%b9%e6%96%87%e4%bb%b6%e7%9a%84%e5%b1%9e%e6%80%a7-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8xfs%e5%91%bd%e4%bb%a4%e6%9b%b4%e6%94%b9%e6%96%87%e4%bb%b6%e7%9a%84%e5%b1%9e%e6%80%a7-2\/","title":{"rendered":"\u4f7f\u7528xfs\u547d\u4ee4\u66f4\u6539\u6587\u4ef6\u7684\u5c5e\u6027"},"content":{"rendered":"<p>\u5728xfs\u6587\u4ef6\u7cfb\u7edf\u4e2d\u5c1d\u8bd5\u4f7f\u7528chattr\u547d\u4ee4\u6765\u4fee\u6539\u6587\u4ef6\u7cfb\u7edf\u7684\u6587\u4ef6\u5c5e\u6027\u3002<\/p>\n<h2>XFS\u662f\u4e00\u79cd\u6587\u4ef6\u7cfb\u7edf\u3002<\/h2>\n<p>\u5728Linux\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0cext4\u662fredhat6\/centos6\u63a8\u8350\u4f7f\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u4f46\u5728redhat7\/centos7\u4e2d\uff0cxfs\u6210\u4e3a\u4e86\u9ed8\u8ba4\u7684\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<p>\u53c2\u8003\uff1a<br \/>\nRed Hat Enterprise Linux 7 \u5b89\u88c5\u6307\u5357<\/p>\n<blockquote><p>XFS\u662f\u5177\u6709\u51fa\u8272\u7684\u53ef\u4f38\u7f29\u6027\u548c\u9ad8\u6027\u80fd\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\uff08\u7565\uff09\u8fd9\u662f\u4e00\u4e2a\u5f3a\u70c8\u63a8\u8350\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u4e14\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u9009\u62e9\u8be5\u6587\u4ef6\u7cfb\u7edf\u3002<\/p><\/blockquote>\n<h2>&#8220;chattr&#8221; \u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h2>\n<p>\u66f4\u6539Linux\u6587\u4ef6\u7cfb\u7edf\uff08ext2\/ext3\/ext4\uff09\u6587\u4ef6\u5c5e\u6027\u7684\u547d\u4ee4\u3002<br \/>\n\u9664\u4e86\u6743\u9650\u8bbe\u7f6e\u5916\uff0c\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u538b\u7f29\u5c5e\u6027\u548c\u4e0d\u53ef\u66f4\u6539\uff08\u4e0d\u53ef\u5220\u9664\uff09\u7684\u5c5e\u6027\u3002<br \/>\n\u5c3d\u7ba1\u624b\u518c\u53ea\u63d0\u5230\u4e86ext2\uff0c\u4f46\u4f3c\u4e4e\u4e5f\u9002\u7528\u4e8eext3\u548cext4\u3002<\/p>\n<p>chattr\u624b\u518c<\/p>\n<blockquote><p>\u4fee\u6539\u4f4d\u4e8eLinux\u7b2c2\u7248\u6587\u4ef6\u7cfb\u7edf\uff08ext2fs\uff09\u4e0a\u7684\u6587\u4ef6\u5c5e\u6027\u3002<\/p><\/blockquote>\n<h2>\u73af\u5883<\/h2>\n<p>\u5728AWS\u4e0a\u7684CentOS 7\u4e0a\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<h2>\u9a8c\u8bc1 <\/h2>\n<h3>\u786e\u8ba4\u5b58\u50a8\u8bbe\u5907\u7684\u72b6\u6001<\/h3>\n<p>\u4f7f\u7528df\u547d\u4ee4\u67e5\u770b\u6587\u4ef6\u7cfb\u7edf\u7684\u683c\u5f0f\u3002<br \/>\n\u53ef\u4ee5\u770b\u51fa\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u4e3axfs\u3002<br \/>\n\u901a\u5e38\uff0c\u78c1\u76d8\u8bbe\u5907\u7684\u547d\u540d\u4ee5\/dev\/sd\u5f00\u5934\uff0c<br \/>\n\u4f46\u5728\u8fd9\u4e2a\u73af\u5883\uff08AWS\uff09\u4e2d\uff0c\u547d\u540d\u4ee5\/dev\/xv\u5f00\u5934\u3002<\/p>\n<pre class=\"post-pre\"><code>$df -T\r\n\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9   \u30bf\u30a4\u30d7   1K-\u30d6\u30ed\u30c3\u30af    \u4f7f\u7528   \u4f7f\u7528\u53ef \u4f7f\u7528% \u30de\u30a6\u30f3\u30c8\u4f4d\u7f6e\r\n\/dev\/xvda1     xfs         41931756 1039576 40892180    3% \/\r\ndevtmpfs       devtmpfs      484356       0   484356    0% \/dev\r\ntmpfs          tmpfs         506944       0   506944    0% \/dev\/shm\r\ntmpfs          tmpfs         506944   25804   481140    6% \/run\r\ntmpfs          tmpfs         506944       0   506944    0% \/sys\/fs\/cgroup\r\ntmpfs          tmpfs         101392       0   101392    0% \/run\/user\/1000\r\n<\/code><\/pre>\n<h3>\u5bf9chattr\u8fdb\u884c\u9a8c\u8bc1<\/h3>\n<p>\u4f7f\u7528Ceontos\u7528\u6237\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code>$whoami\r\ncentos\r\n<\/code><\/pre>\n<p>\u5728\u4e3b\u76ee\u5f55\u4e0b\u521b\u5efa\u76ee\u5f55\u548c\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>$mkdir -p ~\/test\/dir\r\n$cd ~\/test\r\n$touch test-file\r\n$ls -al\r\n\u5408\u8a08 0\r\ndrwxrwxr-x. 3 centos centos  34  2\u6708 20 16:11 .\r\ndrwx------. 4 centos centos 123  2\u6708 20 16:10 ..\r\ndrwxrwxr-x. 2 centos centos   6  2\u6708 20 16:10 dir\r\n-rw-rw-r--. 1 centos centos   0  2\u6708 20 16:11 test-file\r\n<\/code><\/pre>\n<p>\u5c1d\u8bd5\u4e3a\u76ee\u5f55\u548c\u6587\u4ef6\u6dfb\u52a0\u65e0\u6cd5\u66f4\u6539\u5c5e\u6027\u7684chattr\u5c5e\u6027\u3002\u7136\u800c\uff0c\u5373\u4f7f\u6211\u5bf9\u76ee\u5f55\u548c\u6587\u4ef6\u62e5\u6709\u6240\u6709\u6743\uff0c\u4e5f\u65e0\u6cd5\u66f4\u6539\u5c5e\u6027\uff0c\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code>$chattr +i dir\r\nchattr: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059 while setting flags on dir\r\n$chattr +i test-file\r\nchattr: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059 while setting flags on test-file\r\n<\/code><\/pre>\n<p>\u5728\u624b\u518c\u4e0a\u786e\u8ba4\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff0c\u53ef\u4ee5\u770b\u51fa\u666e\u901a\u7528\u6237\u65e0\u6cd5\u7ed9\u5c5e\u6027i\u8d4b\u503c\u3002<\/p>\n<blockquote><p>\u5df2\u7ecf\u8bbe\u7f6e\u4e86i\u5c5e\u6027\u7684\u6587\u4ef6\u662f\u65e0\u6cd5\u4fee\u6539\u7684\u3002<br \/>\n\u4e5f\u5c31\u662f\u8bf4\uff0c\u7981\u6b62\u5220\u9664\u3001\u6539\u53d8\u6587\u4ef6\u540d\u3001\u521b\u5efa\u6307\u5411\u8be5\u6587\u4ef6\u7684\u94fe\u63a5\u4ee5\u53ca\u5411\u8be5\u6587\u4ef6\u5199\u5165\u6570\u636e\u3002<br \/>\n\u53ea\u6709\u8d85\u7ea7\u7528\u6237\u6216\u5177\u6709CAP_LINUX_IMMUTABLE\u80fd\u529b\u7684\u8fdb\u7a0b\u624d\u80fd\u8bbe\u7f6e\u6216\u89e3\u9664\u6b64\u5c5e\u6027\u3002<\/p><\/blockquote>\n<p>\u5728\u83b7\u53d6\u4e86root\u6743\u9650\u5e76\u6dfb\u52a0\u4e86\u4e0d\u53ef\u66f4\u6539\u5c5e\u6027\u540e\uff0c\u6210\u529f\u5730\u8fdb\u884c\u4e86\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$sudo<\/span> chattr +i <span class=\"nb\">dir<\/span>\r\n<span class=\"nv\">$sudo<\/span> chattr +i test-file \r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u4f7f\u7528lsattr\u547d\u4ee4\u6765\u67e5\u770b\u6587\u4ef6\u7684\u5c5e\u6027\u3002<br \/>\n\u76ee\u6807\u76ee\u5f55\u548c\u6587\u4ef6\u88ab\u8bbe\u7f6e\u4e3a\u4e0d\u53ef\u4fee\u6539(i)\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>$lsattr -a\r\n---------------- .\/.\r\n---------------- .\/..\r\n----i----------- .\/dir\r\n----i----------- .\/test-file\r\n<\/code><\/pre>\n<p>\u5c1d\u8bd5\u5220\u9664\u88ab\u6dfb\u52a0\u4e86\u4e0d\u53ef\u66f4\u6539\u5c5e\u6027\u7684\u6587\u4ef6\u3002<br \/>\n\u5373\u4f7f\u6709\u5199\u5165\u6743\u9650\uff0c\u4e5f\u4f1a\u663e\u793a\u201c\u672a\u7ecf\u8bb8\u53ef\u7684\u64cd\u4f5c\u201d\u800c\u65e0\u6cd5\u5220\u9664\u3002<\/p>\n<pre class=\"post-pre\"><code>$rm -rf dir\r\nrm: `dir' \u3092\u524a\u9664\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059\r\n$rm -f test-file \r\nrm: `test-file' \u3092\u524a\u9664\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059\r\n<\/code><\/pre>\n<p>\u5373\u4f7f\u5177\u6709\u6839\u6743\u9650\uff0c\u4e5f\u65e0\u6cd5\u5220\u9664\u3002<\/p>\n<pre class=\"post-pre\"><code>$sudo rm -rf dir\r\nrm: `dir' \u3092\u524a\u9664\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059\r\n$sudo rm -f test-file \r\nrm: `test-file' \u3092\u524a\u9664\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059\r\n<\/code><\/pre>\n<p>\u4e0d\u4ec5\u4e0d\u80fd\u5220\u9664\uff0c\u8fd8\u4e0d\u80fd\u79fb\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code>$mv dir dir2\r\nmv: `dir' \u304b\u3089 `dir2' \u3078\u79fb\u52d5\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059\r\n$mv test-file test-file2\r\nmv: `test-file' \u304b\u3089 `test-file2' \u3078\u79fb\u52d5\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u3067\u3059\r\n<\/code><\/pre>\n<p>\u65e0\u6cd5\u5bf9\u6587\u4ef6\u8fdb\u884c\u5199\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code>$echo hello &gt;&gt; test-file\r\n-bash: test-file: \u8a31\u53ef\u304c\u3042\u308a\u307e\u305b\u3093\r\n<\/code><\/pre>\n<p>\u6587\u4ef6\u590d\u5236\u53ef\u4ee5\u987a\u5229\u8fdb\u884c\u3002\u590d\u5236\u540e\u7684\u6587\u4ef6\u4e0d\u4f1a\u7ee7\u627f\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>$cp test-file new-file\r\n$ls -al\r\n\u5408\u8a08 0\r\ndrwxrwxr-x. 3 centos centos  50  2\u6708 20 16:37 .\r\ndrwx------. 4 centos centos 123  2\u6708 20 16:10 ..\r\ndrwxrwxr-x. 2 centos centos   6  2\u6708 20 16:10 dir\r\n-rw-rw-r--. 1 centos centos   0  2\u6708 20 16:37 new-file\r\n-rw-rw-r--. 1 centos centos   0  2\u6708 20 16:11 test-file\r\n$lsattr\r\n----i----------- .\/dir\r\n----i----------- .\/test-file\r\n---------------- .\/new-file\r\n<\/code><\/pre>\n<p>\u4e0d\u5141\u8bb8\u5728\u65e0\u6cd5\u66f4\u6539\u5c5e\u6027\u7684\u76ee\u5f55\u4e0b\u521b\u5efa\u4efb\u4f55\u76ee\u5f55\u6216\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>$touch dir\/create-file\r\ntouch: `dir\/create-file' \u306b touch \u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u304c\u3042\u308a\u307e\u305b\u3093\r\n$mkdir dir\/create-dir\r\nmkdir: \u30c7\u30a3\u30ec\u30af\u30c8\u30ea `dir\/create-dir' \u3092\u4f5c\u6210\u3067\u304d\u307e\u305b\u3093: \u8a31\u53ef\u304c\u3042\u308a\u307e\u305b\u3093\r\n<\/code><\/pre>\n<p>\u89e3\u9664\u4e0d\u53ef\u66f4\u6539\u7684\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>$sudo chattr -i dir test-file\r\n$lsattr -a\r\n---------------- .\/.\r\n---------------- .\/..\r\n---------------- .\/dir\r\n---------------- .\/test-file\r\n---------------- .\/new-file\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u89e3\u9664\u4e86\u4e0d\u53ef\u66f4\u6539\u5c5e\u6027\uff0c\u73b0\u5728\u53ef\u4ee5\u5220\u9664\u6587\u4ef6\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code>$rm -rf dir\r\n$rm -f test-file\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728xfs\u6587\u4ef6\u7cfb\u7edf\u4e2d\u5c1d\u8bd5\u4f7f\u7528chattr\u547d\u4ee4\u6765\u4fee\u6539\u6587\u4ef6\u7cfb\u7edf\u7684\u6587\u4ef6\u5c5e\u6027\u3002 XFS\u662f\u4e00\u79cd\u6587\u4ef6\u7cfb\u7edf\u3002 \u5728Linux\u6587\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28692","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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