{"id":2476,"date":"2022-10-10T17:56:03","date_gmt":"2022-10-10T09:56:03","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=2476"},"modified":"2023-10-04T06:31:32","modified_gmt":"2023-10-03T22:31:32","slug":"linux%e4%b8%8a%e7%a3%81%e7%9b%98%e7%83%ad%e6%8f%92%e6%8b%94","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=2476","title":{"rendered":"Linux\u4e0a\u78c1\u76d8\u70ed\u63d2\u62d4"},"content":{"rendered":"<p>\u9996\u5148\u83b7\u53d6scsi\u8bbe\u5907\u7684\u4fe1\u606f\u3002<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>apt install lsscsi\r\n[root@server2 ~]# lsscsi\r\n<img decoding=\"async\" loading=\"lazy\" width=\"698\" height=\"157\" class=\"alignnone wp-image-2479 size-full\" src=\"https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-2.png\" srcset=\"https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-2.png 698w, https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-2-300x67.png 300w\" sizes=\"(max-width: 698px) 100vw, 698px\" \/><\/pre>\n<h2>1.1 \u70ed\u62d4<\/h2>\n<pre><img decoding=\"async\" loading=\"lazy\" width=\"403\" height=\"171\" class=\"alignnone wp-image-2477 size-full\" src=\"https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted.png\" srcset=\"https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted.png 403w, https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-300x127.png 300w\" sizes=\"(max-width: 403px) 100vw, 403px\" \/>\r\necho \"scsi remove-single-device 8 0 0 0\" &gt;\/proc\/scsi\/scsi\r\n<img decoding=\"async\" loading=\"lazy\" width=\"669\" height=\"173\" class=\"alignnone wp-image-2478 size-full\" src=\"https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-1.png\" srcset=\"https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-1.png 669w, https:\/\/www.wjxy.net.cn\/wp-content\/uploads\/2022\/10\/Pasted-1-300x78.png 300w\" sizes=\"(max-width: 669px) 100vw, 669px\" \/>\r\n\u4ee5\u4e0b\u5907\u7528<\/pre>\n<p class=\"01\">\u70ed\u62d4\u78c1\u76d8\u7684\u65b9\u5f0f\u662f\u5728\/proc\/scsi\/scsi\u4e2d\u79fb\u9664\u5bf9\u5e94scsi\u8bbe\u5907\u7684\u4fe1\u606f\u3002\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>echo \"scsi remove-single-device a b c d\" &gt;\/proc\/scsi\/scsi<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u4f8b\u5982\u5220\u96642:0:2:0\u8fd9\u5757\u78c1\u76d8\u3002<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>[root@server2 ~]# echo \"scsi remove-single-device 2 0 2 0\" &gt;\/proc\/scsi\/scsi<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u56e0\u4e3a\u8981\u5220\u9664\u7684\u8bbe\u5907\u5df2\u7ecf\u5b58\u5728\uff0c\/sys\u4e2d\u5df2\u7ecf\u6709\u5b83\u5b8c\u6574\u7684\u4fe1\u606f\uff0c\u6240\u4ee5\u4e5f\u4ece\u5176\u81ea\u8eab\u8bbe\u5907\u4e0a\u8fdb\u884c\u5220\u9664\u3002<\/p>\n<p class=\"01\">\u9996\u5148\u67e5\u770bscsi\u8bbe\u5907\u4fe1\u606f\u3002<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>[root@server2 ~]# lsscsi\r\n[2:0:0:0]    disk    VMware,  VMware Virtual S 1.0   \/dev\/sda\r\n[2:0:1:0]    disk    VMware,  VMware Virtual S 1.0   \/dev\/sdb\r\n[4:0:0:0]    cd\/dvd  NECVMWar VMware SATA CD01 1.00  \/dev\/sr0<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u00a0\u4f8b\u5982\u8981\u5220\u9664\/dev\/sdb\uff0c\u53732:0:1:0\u3002\u5148\u770b\u770b\u5b83\u7684\u6587\u4ef6\u4fe1\u606f\u3002<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>[root@server2 ~]# ls \/sys\/bus\/scsi\/drivers\/sd\/2:0:1:0\/\r\n\r\nblock\/                              evt_lun_change_reported             model                               scsi_level\r\nbsg\/                                evt_media_change                    power\/<strong>                              state<\/strong>\r\n<strong>delete<\/strong>                              evt_mode_parameter_change_reported  queue_depth                         subsystem\/\r\ndevice_blocked                      evt_soft_threshold_reached          queue_ramp_up_period                timeout\r\ndevice_busy                         generic\/                            queue_type                          type\r\ndh_state                            iocounterbits                       <strong>rescan<\/strong>                              uevent\r\ndriver\/                             iodone_cnt                          rev                                 unpriv_sgio\r\neh_timeout                          ioerr_cnt                           scsi_device\/                        vendor\r\nevt_capacity_change_reported        iorequest_cnt                       scsi_disk\/                          vpd_pg80\r\nevt_inquiry_change_reported         modalias                            scsi_generic\/                       vpd_pg83<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u5728\u5176\u4e2d\u67093\u4e2a\u6587\u4ef6\uff1adelete\u3001rescan\u548cstate\u3002\u5176\u4e2dstate\u8bb0\u5f55\u4e86\u8be5\u8bbe\u5907\u662f\u5426\u6b63\u5728\u8fd0\u884c\u4e2d\u3002\u800cdelete\u548crescan\u6587\u4ef6\u5219\u7528\u4e8e\u5220\u9664\u548c\u91cd\u65b0\u626b\u63cf\u8be5\u8bbe\u5907\u3002<\/p>\n<p class=\"01\">\u4f8b\u5982\uff0c\u5220\u9664\u8be5\u8bbe\u5907\uff0c\u5373\u70ed\u62d4\u3002<\/p>\n<div class=\"cnblogs_code\">\n<pre>[root@server2 ~]# echo 1 &gt; \/sys\/bus\/scsi\/drivers\/sd\/2:0:1:0\/delete<\/pre>\n<\/div>\n<h2>1.2 \u70ed\u63d2<\/h2>\n<p class=\"01\">\u5728\u5411\u8ba1\u7b97\u673a\u4e2d\u63d2\u5165\u4e00\u5757\u78c1\u76d8\u540e\uff0c\u5185\u6838\u56e0\u4e3a\u8bc6\u522b\u4e0d\u4e86\u5b83\u6240\u4ee5\u4e0d\u4f1a\u4ea7\u751f\u4efb\u4f55\u4e8b\u4ef6\u901a\u77e5\uff0c\u56e0\u6b64\u5728\/sys\u76ee\u5f55\u4e2d\u4e0d\u4f1a\u4ea7\u751f\u4efb\u4f55\u6587\u4ef6\uff0c\u4efb\u4f55\u5de5\u5177\u4e5f\u5c31\u8bfb\u53d6\u4e0d\u4e86\u5b83\u3002\u91cd\u542f\u7cfb\u7edf\u80af\u5b9a\u662f\u53ef\u4ee5\u89e3\u51b3\u7684\uff0c\u4f46\u662fLinux\u652f\u6301\u70ed\u63d2\u3002<\/p>\n<p class=\"01\">\u70ed\u63d2\u65b0\u76d8\u7684\u65b9\u5f0f\u662f\u5411\/proc\/scsi\/scsi\u4e2d\u5199\u5165\u65b0scsi\u8bbe\u5907\u7684\u4fe1\u606f\u3002\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>echo \"scsi add-single-device a b c d\" &gt;\/proc\/scsi\/scsi<\/pre>\n<\/div>\n<\/div>\n<p class=\"03\">\u5176\u4e2d\uff1a<\/p>\n<p class=\"03\">\u00a0\u00a0\u00a0\u00a0\u00a0 a == hostadapter id (first one being 0)<\/p>\n<p class=\"03\">\u00a0\u00a0\u00a0\u00a0\u00a0 b == SCSI channel on hostadapter (first one being 0)<\/p>\n<p class=\"03\">\u00a0\u00a0\u00a0\u00a0\u00a0 c == ID<\/p>\n<p class=\"03\">\u00a0\u00a0\u00a0\u00a0\u00a0 d == LUN (first one being 0)<\/p>\n<p class=\"01\">\u4f8b\u5982\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u5e94\u8be5\u6dfb\u52a0\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>[root@server2 ~]# echo \"scsi add-single-device 2:0:2:0\" &gt;\/proc\/scsi\/scsi<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u5f53\u7136\uff0c\u91cd\u65b0\u626b\u63cfscsi\u603b\u7ebf\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u70ed\u63d2\u7684\u529f\u80fd\u3002\u56e0\u4e3a\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cscsi host id\u4e3a2(\u5373host2)\uff0c\u6240\u4ee5\u626b\u63cf\u7684\u662fhost2\uff0c\u8fd9\u6837host2\u8fd9\u4e2ascsi\u4e0a\u7684\u6240\u6709\u8bbe\u5907\u90fd\u4f1a\u88ab\u91cd\u65b0\u626b\u63cf\u3002<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>[root@server2 ~]# echo \"- - -\" &gt; \/sys\/class\/scsi_host\/host2\/scan<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u5982\u679c\u4e0d\u77e5\u9053\u8981\u626b\u63cf\u54ea\u4e2ahost\uff0c\u76f4\u63a5\u4f7f\u7528\u5faa\u73af\u5168\u90e8\u626b\u63cf\u3002<\/p>\n<div>\n<div class=\"cnblogs_code\">\n<pre>[root@xuexi ~]# for i in \/sys\/class\/scsi_host\/host*\/scan;do echo \"- - -\" &gt;$i;done<\/pre>\n<\/div>\n<\/div>\n<p class=\"01\">\u70ed\u63d2\u4e4b\u540e\uff0cfdisk -l\u7b49\u547d\u4ee4\u5c31\u53ef\u4ee5\u8bc6\u522b\u5230\u8be5\u78c1\u76d8\u4e86\u3002<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u83b7\u53d6scsi\u8bbe\u5907\u7684\u4fe1\u606f\u3002 apt install lsscsi [root@server2 ~]# lss [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2476"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2476"}],"version-history":[{"count":1,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2476\/revisions"}],"predecessor-version":[{"id":2480,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2476\/revisions\/2480"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}