{"id":219,"date":"2023-10-18T07:06:07","date_gmt":"2023-10-17T23:06:07","guid":{"rendered":"http:\/\/test.ccwifi.cc\/?p=219"},"modified":"2023-10-18T07:06:07","modified_gmt":"2023-10-17T23:06:07","slug":"linux%e5%91%bd%e4%bb%a4lsscsi%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2023\/10\/18\/linux%e5%91%bd%e4%bb%a4lsscsi%e8%af%a6%e8%a7%a3\/","title":{"rendered":"Linux\u547d\u4ee4lsscsi\u8be6\u89e3"},"content":{"rendered":"<div>\n<p>\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 <strong><a href=\"http:\/\/ccwifi.cc\" target=\"_blank\" rel=\"noopener\">\u66f9\u64cdwifi<\/a><\/strong><\/p>\n<p>\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n<p>\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n<pre><code>-bash:&nbsp;lsscsi&nbsp;command&nbsp;not&nbsp;found\n&nbsp;\n#Debian\napt-get&nbsp;install&nbsp;lsscsi\n&nbsp;\n#Ubuntu\napt-get&nbsp;install&nbsp;lsscsi\n&nbsp;\n#Alpine\napk&nbsp;add&nbsp;lsscsi\n&nbsp;\n#Arch&nbsp;Linux\npacman&nbsp;-S&nbsp;lsscsi\n&nbsp;\n#Kali&nbsp;Linux\napt-get&nbsp;install&nbsp;lsscsi\n&nbsp;\n#CentOS\nyum&nbsp;install&nbsp;lsscsi\n&nbsp;\n#Fedora\ndnf&nbsp;install&nbsp;lsscsi\n&nbsp;\n#Raspbian\napt-get&nbsp;install&nbsp;lsscsi\n&nbsp;\n#Docker\ndocker&nbsp;run&nbsp;cmd.cat\/lsscsi&nbsp;lsscsi\n<\/code><\/pre>\n<h3 id=\"lsscsi\">\u4e09\u3001 lsscsi\u547d\u4ee4<\/h3>\n<h4 id=\"\">\u56db\u3001\u547d\u4ee4\u4e3e\u4f8b<\/h4>\n<h5 id=\"-1\">\u4e94\u3001\u5176\u4ed6<\/h5>\n<p>\u60f3\u8981\u5f04\u660e\u767dlsscsi\u547d\u4ee4\uff0c\u9996\u5148\u6211\u4eec\u5fc5\u987b\u641e\u6e05\u695a\u4ec0\u4e48\u662fSCSI\uff0c\u4ee5\u53ca\u5e38\u89c1\u7684\u786c\u76d8\u63a5\u53e3\uff0c\u5e38\u7528\u7684\u786c\u76d8\u53c2\u6570\u3002<\/p>\n<h3 id=\"scsi\">\u4e00\u3001\u4ec0\u4e48\u662fscsi<\/h3>\n<p>SCSI(Small Computer System Interface)\u662f\u4e00\u5957\u5b8c\u6574\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u5176\u4e3b\u8981\u529f\u80fd\u662f\u5728\u4e3b\u673a\u548c\u5b58\u50a8\u8bbe\u5907\u4e4b\u95f4\u4f20\u9001\u547d\u4ee4\u3001\u72b6\u6001\u548c\u5757\u6570\u636e\u3002\u5728\u5404\u7c7b\u5b58\u50a8\u6280\u672f\u4e2d\uff0cSCSI\u6280\u672f\u53ef\u8c13\u662f\u6700\u91cd\u8981\u7684\u810a\u6881\u3002<\/p>\n<p>SCSI\u534f\u8bae\u4f4d\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u548c\u5916\u90e8\u8d44\u6e90\u4e4b\u95f4\uff0c\u5b83\u5177\u6709\u4e00\u7cfb\u5217\u7684\u529f\u80fd\u7ec4\u4ef6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5916\u90e8\u8bbe\u5907\uff08\u5982\u78c1\u76d8\u3001\u78c1\u5e26\u3001\u5149\u76d8\u3001\u6253\u5370\u673a\u7b49\uff09\u7684I\/O\u64cd\u4f5c\u5747\u53ef\u4ee5\u901a\u8fc7SCSI\u534f\u8bae\u6765\u5b9e\u73b0\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cSCSI\u534f\u8bae\u90fd\u5d4c\u5165\u5230\u8bbe\u5907\u9a71\u52a8\u5668\u6216\u8005\u4e3b\u673a\u9002\u914d\u5668\u7684\u677f\u8f7d\u903b\u8f91\u4e2d\u3002<\/p>\n<h3 id=\"-2\">\u4e8c\u3001\u5e38\u89c1\u786c\u76d8\u63a5\u53e3<\/h3>\n<ol>\n<li>IDE\u63a5\u53e3\u7684\u786c\u76d8<\/li>\n<\/ol>\n<p>\u5176\u82f1\u6587\u540d\u79f0\uff1aIntegrated Drive Electronics\uff0c\u5e38\u89c1\u76842.5\u82f1\u5bf8IDE\u786c\u76d8\u63a5\u53e3\u5b83\u7684\u672c\u610f\u662f\u6307\u628a\u201c\u786c\u76d8\u63a7\u5236\u5668\u201d\u4e0e\u201c\u76d8\u4f53\u201d\u96c6\u6210\u5728\u4e00\u8d77\u7684\u786c\u76d8\u9a71\u52a8\u5668\u3002<\/p>\n<p>IDE\u4ee3\u8868\u7740\u786c\u76d8\u7684\u4e00\u79cd\u7c7b\u578b\uff0c\u4f46\u5728\u5b9e\u9645\u7684\u5e94\u7528\u4e2d\uff0c\u4eba\u4eec\u4e5f\u4e60\u60ef\u7528IDE\u6765\u79f0\u547c\u6700\u65e9\u51fa\u73b0IDE\u7c7b\u578b\u786c\u76d8ATA-1\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u63a5\u53e3\u968f\u7740\u63a5\u53e3\u6280\u672f\u7684\u53d1\u5c55\u5df2\u7ecf\u88ab\u6dd8\u6c70\u4e86\uff0c\u800c\u5176\u540e\u53d1\u5c55\u5206\u652f\u51fa\u66f4\u591a\u7c7b\u578b\u7684\u786c\u76d8\u63a5\u53e3\uff0c\u6bd4\u5982ATA\u3001Ultra ATA\u3001DMA\u3001Ultra DMA\u7b49\u63a5\u53e3\u90fd\u5c5e\u4e8eIDE\u786c\u76d8\u3002<\/p>\n<p>\u5176\u7279\u70b9\u4e3a\uff1a\u4ef7\u683c\u4f4e\u5ec9\uff0c\u517c\u5bb9\u6027\u5f3a\uff0c\u6027\u4ef7\u6bd4\u9ad8\uff0c\u6570\u636e\u4f20\u8f93\u6162\uff0c\u4e0d\u652f\u6301\u70ed\u63d2\u62d4\u7b49\u7b49\u3002<\/p>\n<ol start=\"2\">\n<li>SCSI\u63a5\u53e3\u786c\u76d8<\/li>\n<\/ol>\n<p>SCSI\u5e76\u4e0d\u662f\u4e13\u95e8\u4e3a\u786c\u76d8\u8bbe\u8ba1\u7684\u63a5\u53e3\uff0c\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5c0f\u578b\u673a\u4e0a\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u6280\u672f\u3002<\/p>\n<p>SCSI\u63a5\u53e3\u5177\u6709\u5e94\u7528\u8303\u56f4\u5e7f\u3001\u591a\u4efb\u52a1\u3001\u5e26\u5bbd\u5927\u3001CPU\u5360\u7528\u7387\u4f4e\uff0c\u4ee5\u53ca\u70ed\u63d2\u62d4\u7b49\u4f18\u70b9\uff0c\u4f46\u8f83\u9ad8\u7684\u4ef7\u683c\u4f7f\u5f97\u5b83\u5f88\u96be\u5982IDE\u786c\u76d8\u822c\u666e\u53ca\uff0c\u56e0\u6b64SCSI\u786c\u76d8\u4e3b\u8981\u5e94\u7528\u4e8e\u4e2d\u3001\u9ad8\u7aef\u670d\u52a1\u5668\u548c\u9ad8\u6863\u5de5\u4f5c\u7ad9\u4e2d\u3002<\/p>\n<p>\u5176\u7279\u70b9\u4e3a\uff1a\u4f20\u8f93\u901f\u7387\u9ad8\u3001\u8bfb\u5199\u6027\u80fd\u597d\u3001\u53ef\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u3001\u53ef\u652f\u6301\u70ed\u63d2\u62d4\uff0c\u4f46\u662f\u4ef7\u683c\u76f8\u5bf9\u6765\u8bf4\u6bd4\u8f83\u8d35\u3002<\/p>\n<ol start=\"3\">\n<li>SATA\u63a5\u53e3\u7c7b\u578b<\/li>\n<\/ol>\n<p>\u5176\u82f1\u6587\u540d\u79f0\u4e3a\uff1aSerial Advanced Technology Attachment\u3002\u4f7f\u7528SATA\uff08Serial ATA\uff09\u53e3\u7684\u786c\u76d8\u53c8\u53eb\u4e32\u53e3\u786c\u76d8\uff0c\u662f\u672a\u6765PC\u673a\u786c\u76d8\u7684\u8d8b\u52bf\u3002<\/p>\n<p>Serial ATA\u91c7\u7528\u4e32\u884c\u8fde\u63a5\u65b9\u5f0f\uff0c\u4e32\u884cATA\u603b\u7ebf\u4f7f\u7528\u5d4c\u5165\u5f0f\u65f6\u949f\u4fe1\u53f7\uff0c\u5177\u5907\u4e86\u66f4\u5f3a\u7684\u7ea0\u9519\u80fd\u529b\uff0c\u4e0e\u4ee5\u5f80\u76f8\u6bd4\u5176\u6700\u5927\u7684\u533a\u522b\u5728\u4e8e\u80fd\u5bf9\u4f20\u8f93\u6307\u4ee4\uff08\u4e0d\u4ec5\u4ec5\u662f\u6570\u636e\uff09\u8fdb\u884c\u68c0\u67e5\uff0c\u5982\u679c\u53d1\u73b0\u9519\u8bef\u4f1a\u81ea\u52a8\u77eb\u6b63\uff0c\u8fd9\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u63d0\u9ad8\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p>\u4e32\u884c\u63a5\u53e3\u8fd8\u5177\u6709\u7ed3\u6784\u7b80\u5355\u3001\u652f\u6301\u70ed\u63d2\u62d4\u7684\u4f18\u70b9\u3002<\/p>\n<h3 id=\"lsscsi-1\">\u4e09\u3001 lsscsi\u547d\u4ee4<\/h3>\n<p>lsscsi\u5217\u51fascsi\/sata\u8bbe\u5907\u4fe1\u606f\uff0c\u6bd4\u5982\u786c\u76d8\u9a71\u52a8\u5668\uff0c\u5149\u76d8\u9a71\u52a8\u5668\u3002<\/p>\n<ol>\n<li>lsscsi \u547d\u4ee4\u5b89\u88c5<\/li>\n<\/ol>\n<pre><code>https:\/\/sg.danny.cz\/scsi\/lsscsi.html\n<\/code><\/pre>\n<pre><code>lsscsi&nbsp;[\u9009\u9879]&nbsp;[H:C:T:L]\n<\/code><\/pre>\n<pre><code>peng@ubuntu:~$&nbsp;lsscsi\n[3:0:0:0]&nbsp;&nbsp;&nbsp;&nbsp;cd\/dvd&nbsp;&nbsp;NECVMWar&nbsp;VMware&nbsp;SATA&nbsp;CD01&nbsp;1.00&nbsp;&nbsp;\/dev\/sr0&nbsp;\n[32:0:0:0]&nbsp;&nbsp;&nbsp;disk&nbsp;&nbsp;&nbsp;&nbsp;VMware,&nbsp;&nbsp;VMware&nbsp;Virtual&nbsp;S&nbsp;1.0&nbsp;&nbsp;&nbsp;\/dev\/sda&nbsp;\n<\/code><\/pre>\n<ol start=\"2\">\n<li>lsscsi\u547d\u4ee4\u82f1\u6587\u624b\u518c<\/li>\n<\/ol>\n<p>\u8be6\u7ec6\u547d\u4ee4\u8bf4\u660e\u5730\u5740<\/p>\n<ol start=\"2\">\n<li>\u547d\u4ee4\u683c\u5f0f<\/li>\n<\/ol>\n<p>lsscsi \u547d\u4ee4\u8bed\u6cd5\uff1a<\/p>\n<p>lsscsi \u547d\u4ee4\u9009\u9879\uff1a<\/p>\n<p>\u9009\u9879\u542b\u4e49<\/p>\n<p>-g \u663e\u793aSCSI\u901a\u7528\u8bbe\u5907\u6587\u4ef6\u540d\u79f0<\/p>\n<p>-k \u663e\u793a\u5185\u6838\u540d\u79f0\u800c\u4e0d\u662f\u8bbe\u5907\u8282\u70b9\u540d<\/p>\n<p>-d \u663e\u793a\u8bbe\u5907\u8282\u70b9\u7684\u4e3b\u8981\u53f7\u7801\u548c\u6b21\u8981\u53f7\u7801<\/p>\n<p>-H \u5217\u51fa\u5f53\u524d\u8fde\u63a5\u5230\u7cfb\u7edf\u7684SCSI\u4e3b\u673a\u800c\u4e0d\u662fSCSI\u8bbe\u5907<\/p>\n<p>-l \u663e\u793a\u6bcf\u4e00\u4e2aSCSI\u8bbe\u5907\uff08\u4e3b\u673a\uff09\u7684\u9644\u52a0\u4fe1\u606f<\/p>\n<p>-c \u76f8\u5bf9\u4e8e\u6267\u884c cat \/proc\/scsi\/scsi \u547d\u4ee4\u7684\u8f93\u51fa<\/p>\n<p>-p \u663e\u793a\u989d\u5916\u7684\u6570\u636e\u5b8c\u6574\u6027\uff08\u4fdd\u62a4\uff09\u7684\u4fe1\u606f<\/p>\n<p>-t \u663e\u793a\u4f20\u8f93\u4fe1\u606f<\/p>\n<p>-L \u4ee5\u201c\u5c5e\u6027\u540d=\u503c\u201d\u7684\u65b9\u5f0f\u663e\u793a\u9644\u52a0\u4fe1\u606f<\/p>\n<p>-v \u5f53\u4fe1\u606f\u627e\u5230\u65f6\u8f93\u51fa\u76ee\u5f55\u540d<\/p>\n<p>-y \u5047\u8bbesysfs\u6302\u8f7d\u5728\u6307\u5b9a\u8def\u5f84\u800c\u4e0d\u662f\u9ed8\u8ba4\u7684 \u201c\/sys\u201d<\/p>\n<p>-s \u663e\u793a\u5bb9\u91cf\u5927\u5c0f\u3002<\/p>\n<p>-c \u7528\u5168\u79f0\u663e\u793a\u9ed8\u8ba4\u7684\u4fe1\u606f\u3002<\/p>\n<p>-d \u663e\u793a\u8bbe\u5907\u4e3b\uff0c\u6b21\u8bbe\u5907\u53f7\u3002<\/p>\n<p>-g \u663e\u793a\u5bf9\u5e94\u7684sg\u8bbe\u5907\u540d\u3002<\/p>\n<p>-H \u663e\u793a\u4e3b\u673a\u63a7\u5236\u5668\u5217\u8868\uff0c-Hl,-Hlv\u3002<\/p>\n<p>-l \u663e\u793a\u76f8\u5173\u5c5e\u6027\uff0c-ll,-lll=-L\u3002<\/p>\n<p>-v \u663e\u793a\u8bbe\u5907\u5c5e\u6027\u6240\u5728\u76ee\u5f55\u3002<\/p>\n<p>-x \u4ee516\u8fdb\u5236\u663e\u793alun\u53f7\u3002<\/p>\n<p>-p \u8f93\u51faDIF,DIX \u4fdd\u62a4\u7c7b\u578b\u3002<\/p>\n<p>-P \u8f93\u51fa\u6709\u6548\u7684\u4fdd\u62a4\u6a21\u5f0f\u4fe1\u606f\u3002<\/p>\n<p>-i \u663e\u793audev\u76f8\u5173\u7684\u5c5e\u6027<\/p>\n<p>-w \u663e\u793aWWN<\/p>\n<p>-t \u663e\u793a\u76f8\u5e94\u4f20\u8f93\u4fe1\u606f(ATA,FC,SBP,ISCSI,SPI,SAS,SATA,USB)\uff0c-Ht,-tl.\uff08\u5305\u62ecsas\u5730\u5740\uff09<\/p>\n<ol start=\"3\">\n<li>\u7ed3\u679c\u542b\u4e49<\/li>\n<\/ol>\n<h4 id=\"\">\u56db\u3001\u547d\u4ee4\u4e3e\u4f8b<\/h4>\n<p>lsscsi \u5217\u51fa\u6240\u6709 SCSI \u8bbe\u5907\uff1a<\/p>\n<pre><code>peng@ubuntu:~$&nbsp;lsscsi&nbsp;-L\n[3:0:0:0]&nbsp;&nbsp;&nbsp;&nbsp;cd\/dvd&nbsp;&nbsp;NECVMWar&nbsp;VMware&nbsp;SATA&nbsp;CD01&nbsp;1.00&nbsp;&nbsp;\/dev\/sr0&nbsp;\n&nbsp;&nbsp;device_blocked=0\n&nbsp;&nbsp;iocounterbits=32\n&nbsp;&nbsp;iodone_cnt=0x229\n&nbsp;&nbsp;ioerr_cnt=0x4\n&nbsp;&nbsp;iorequest_cnt=0x23a\n&nbsp;&nbsp;queue_depth=1\n&nbsp;&nbsp;queue_type=none\n&nbsp;&nbsp;scsi_level=6\n&nbsp;&nbsp;state=running\n&nbsp;&nbsp;timeout=30\n&nbsp;&nbsp;type=5\n[32:0:0:0]&nbsp;&nbsp;&nbsp;disk&nbsp;&nbsp;&nbsp;&nbsp;VMware,&nbsp;&nbsp;VMware&nbsp;Virtual&nbsp;S&nbsp;1.0&nbsp;&nbsp;&nbsp;\/dev\/sda&nbsp;\n&nbsp;&nbsp;device_blocked=0\n&nbsp;&nbsp;iocounterbits=32\n&nbsp;&nbsp;iodone_cnt=0x37370\n&nbsp;&nbsp;ioerr_cnt=0x3\n&nbsp;&nbsp;iorequest_cnt=0x37370\n&nbsp;&nbsp;queue_depth=32\n&nbsp;&nbsp;queue_type=simple\n&nbsp;&nbsp;scsi_level=3\n&nbsp;&nbsp;state=running\n&nbsp;&nbsp;timeout=180\n&nbsp;&nbsp;type=0\n<\/code><\/pre>\n<pre><code>peng@ubuntu:~$&nbsp;lsscsi&nbsp;-s\n[3:0:0:0]&nbsp;&nbsp;&nbsp;&nbsp;cd\/dvd&nbsp;&nbsp;NECVMWar&nbsp;VMware&nbsp;SATA&nbsp;CD01&nbsp;1.00&nbsp;&nbsp;\/dev\/sr0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-\n[32:0:0:0]&nbsp;&nbsp;&nbsp;disk&nbsp;&nbsp;&nbsp;&nbsp;VMware,&nbsp;&nbsp;VMware&nbsp;Virtual&nbsp;S&nbsp;1.0&nbsp;&nbsp;&nbsp;\/dev\/sda&nbsp;&nbsp;&nbsp;&nbsp;536GB\n<\/code><\/pre>\n<pre><code>peng@ubuntu:~$&nbsp;cd&nbsp;\/proc\/scsi\/\npeng@ubuntu:\/proc\/scsi$&nbsp;ls\ndevice_info&nbsp;&nbsp;mptspi&nbsp;&nbsp;scsi&nbsp;&nbsp;sg\npeng@ubuntu:\/proc\/scsi$&nbsp;cat&nbsp;scsi\nAttached&nbsp;devices:\nHost:&nbsp;scsi32&nbsp;Channel:&nbsp;00&nbsp;Id:&nbsp;00&nbsp;Lun:&nbsp;00\n&nbsp;&nbsp;Vendor:&nbsp;VMware,&nbsp;&nbsp;Model:&nbsp;VMware&nbsp;Virtual&nbsp;S&nbsp;Rev:&nbsp;1.0&nbsp;\n&nbsp;&nbsp;Type:&nbsp;&nbsp;&nbsp;Direct-Access&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ANSI&nbsp;&nbsp;SCSI&nbsp;revision:&nbsp;02\nHost:&nbsp;scsi3&nbsp;Channel:&nbsp;00&nbsp;Id:&nbsp;00&nbsp;Lun:&nbsp;00\n&nbsp;&nbsp;Vendor:&nbsp;NECVMWar&nbsp;Model:&nbsp;VMware&nbsp;SATA&nbsp;CD01&nbsp;Rev:&nbsp;1.00\n&nbsp;&nbsp;Type:&nbsp;&nbsp;&nbsp;CD-ROM&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ANSI&nbsp;&nbsp;SCSI&nbsp;revision:&nbsp;05\n<\/code><\/pre>\n<p>lsscsi -L\u5217\u51fa\u6240\u6709\u5177\u6709\u8be6\u7ec6\u5c5e\u6027\u7684 SCSI \u8bbe\u5907\uff1a<\/p>\n<p>lsscsi -s\u5217\u51fa\u6240\u6709\u5177\u6709\u4eba\u7c7b\u53ef\u8bfb\u78c1\u76d8\u5bb9\u91cf\u7684 SCSI \u8bbe\u5907\uff1a<\/p>\n<h3 id=\"\">\u4e94\u3001\u5176\u4ed6<\/h3>\n<ol>\n<li>Linux\u4e0bscsi\u76f8\u5173\u6587\u4ef6\u8282\u70b9<\/li>\n<\/ol>\n<p>\/proc\/scsi\/<\/p>\n<pre><code>peng@ubuntu:\/sys\/class\/scsi_host$&nbsp;ls\nhost0&nbsp;&nbsp;&nbsp;host12&nbsp;&nbsp;host16&nbsp;&nbsp;host2&nbsp;&nbsp;&nbsp;host23&nbsp;&nbsp;host27&nbsp;&nbsp;host30&nbsp;&nbsp;host5&nbsp;&nbsp;host9\nhost1&nbsp;&nbsp;&nbsp;host13&nbsp;&nbsp;host17&nbsp;&nbsp;host20&nbsp;&nbsp;host24&nbsp;&nbsp;host28&nbsp;&nbsp;host31&nbsp;&nbsp;host6\nhost10&nbsp;&nbsp;host14&nbsp;&nbsp;host18&nbsp;&nbsp;host21&nbsp;&nbsp;host25&nbsp;&nbsp;host29&nbsp;&nbsp;host32&nbsp;&nbsp;host7\nhost11&nbsp;&nbsp;host15&nbsp;&nbsp;host19&nbsp;&nbsp;host22&nbsp;&nbsp;host26&nbsp;&nbsp;host3&nbsp;&nbsp;&nbsp;host4&nbsp;&nbsp;&nbsp;host8\n<\/code><\/pre>\n<pre><code>peng@ubuntu:\/sys\/class\/scsi_device$&nbsp;ls\n3:0:0:0&nbsp;&nbsp;32:0:0:0\n<\/code><\/pre>\n<pre><code>peng@ubuntu:\/sys\/class\/scsi_disk$&nbsp;ls\n32:0:0:0\n<\/code><\/pre>\n<pre><code>peng@ubuntu:\/sys\/class\/scsi_generic$&nbsp;ls\nsg0&nbsp;&nbsp;sg1\n<\/code><\/pre>\n<pre><code>peng@ubuntu:\/sys\/bus\/scsi$&nbsp;ls\ndevices&nbsp;&nbsp;drivers&nbsp;&nbsp;drivers_autoprobe&nbsp;&nbsp;drivers_probe&nbsp;&nbsp;uevent\npeng@ubuntu:\/sys\/bus\/scsi\/devices$&nbsp;ls\n3:0:0:0&nbsp;&nbsp;&nbsp;host11&nbsp;&nbsp;host16&nbsp;&nbsp;host20&nbsp;&nbsp;host25&nbsp;&nbsp;host3&nbsp;&nbsp;&nbsp;host5&nbsp;&nbsp;target3:0:0\n32:0:0:0&nbsp;&nbsp;host12&nbsp;&nbsp;host17&nbsp;&nbsp;host21&nbsp;&nbsp;host26&nbsp;&nbsp;host30&nbsp;&nbsp;host6&nbsp;&nbsp;target32:0:0\nhost0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;host13&nbsp;&nbsp;host18&nbsp;&nbsp;host22&nbsp;&nbsp;host27&nbsp;&nbsp;host31&nbsp;&nbsp;host7\nhost1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;host14&nbsp;&nbsp;host19&nbsp;&nbsp;host23&nbsp;&nbsp;host28&nbsp;&nbsp;host32&nbsp;&nbsp;host8\nhost10&nbsp;&nbsp;&nbsp;&nbsp;host15&nbsp;&nbsp;host2&nbsp;&nbsp;&nbsp;host24&nbsp;&nbsp;host29&nbsp;&nbsp;host4&nbsp;&nbsp;&nbsp;host9\n<\/code><\/pre>\n<p>\/sys\/class\/scsi_host<\/p>\n<p>\/sys\/class\/scsi_device<\/p>\n<p>\/sys\/class\/scsi_disk<\/p>\n<p>\/sys\/class\/scsi_generic<\/p>\n<p>\/sys\/bus\/scsi<\/p>\n<pre><code>host:bus:id:lun\n<\/code><\/pre>\n<pre><code>drivers\/scsi\/Kconfig:213\n<\/code><\/pre>\n<pre><code>config&nbsp;SCSI_LOGGING\n&nbsp;&nbsp;&nbsp;&nbsp;bool&nbsp;\"SCSI&nbsp;logging&nbsp;facility\"\n&nbsp;&nbsp;&nbsp;&nbsp;depends&nbsp;on&nbsp;SCSI\n&nbsp;&nbsp;&nbsp;&nbsp;---help---\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This&nbsp;turns&nbsp;on&nbsp;a&nbsp;logging&nbsp;facility&nbsp;that&nbsp;can&nbsp;be&nbsp;used&nbsp;to&nbsp;debug&nbsp;a&nbsp;number\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of&nbsp;SCSI&nbsp;related&nbsp;problems.\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If&nbsp;you&nbsp;say&nbsp;Y&nbsp;here,&nbsp;no&nbsp;logging&nbsp;output&nbsp;will&nbsp;appear&nbsp;by&nbsp;default,&nbsp;but&nbsp;you\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;can&nbsp;enable&nbsp;logging&nbsp;by&nbsp;saying&nbsp;Y&nbsp;to&nbsp;\"\/proc&nbsp;file&nbsp;system&nbsp;support\"&nbsp;and\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"Sysctl&nbsp;support\"&nbsp;below&nbsp;and&nbsp;executing&nbsp;the&nbsp;command\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;&nbsp;&gt;&nbsp;\/proc\/sys\/dev\/scsi\/logging_level\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;where&nbsp;&nbsp;is&nbsp;a&nbsp;four&nbsp;byte&nbsp;value&nbsp;representing&nbsp;the&nbsp;logging&nbsp;type\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and&nbsp;logging&nbsp;level&nbsp;for&nbsp;each&nbsp;type&nbsp;of&nbsp;logging&nbsp;selected.\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;There&nbsp;are&nbsp;a&nbsp;number&nbsp;of&nbsp;logging&nbsp;types&nbsp;and&nbsp;you&nbsp;can&nbsp;find&nbsp;them&nbsp;in&nbsp;the\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;source&nbsp;at&nbsp;.&nbsp;The&nbsp;logging&nbsp;levels\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;are&nbsp;also&nbsp;described&nbsp;in&nbsp;that&nbsp;file&nbsp;and&nbsp;they&nbsp;determine&nbsp;the&nbsp;verbosity&nbsp;of\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;logging&nbsp;for&nbsp;each&nbsp;logging&nbsp;type.\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If&nbsp;you&nbsp;say&nbsp;N&nbsp;here,&nbsp;it&nbsp;may&nbsp;be&nbsp;harder&nbsp;to&nbsp;track&nbsp;down&nbsp;some&nbsp;types&nbsp;of&nbsp;SCSI\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;problems.&nbsp;If&nbsp;you&nbsp;say&nbsp;Y&nbsp;here&nbsp;your&nbsp;kernel&nbsp;will&nbsp;be&nbsp;somewhat&nbsp;larger,&nbsp;but\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;there&nbsp;should&nbsp;be&nbsp;no&nbsp;noticeable&nbsp;performance&nbsp;impact&nbsp;as&nbsp;long&nbsp;as&nbsp;you&nbsp;have\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logging&nbsp;turned&nbsp;off.\n<\/code><\/pre>\n<pre><code>-&gt;&nbsp;driversscsiscsi_logging.h\n<\/code><\/pre>\n<pre><code>\/*\n&nbsp;*&nbsp;Note&nbsp;-&nbsp;the&nbsp;initial&nbsp;logging&nbsp;level&nbsp;can&nbsp;be&nbsp;set&nbsp;here&nbsp;to&nbsp;log&nbsp;events&nbsp;at&nbsp;boot&nbsp;time.\n&nbsp;*&nbsp;After&nbsp;the&nbsp;system&nbsp;is&nbsp;up,&nbsp;you&nbsp;may&nbsp;enable&nbsp;logging&nbsp;via&nbsp;the&nbsp;\/proc&nbsp;interface.\n&nbsp;*\/\nunsigned&nbsp;int&nbsp;scsi_logging_level;\n#if&nbsp;defined(CONFIG_SCSI_LOGGING)\nEXPORT_SYMBOL(scsi_logging_level);\n#endif\n<\/code><\/pre>\n<pre><code>-1&nbsp;&nbsp;&nbsp;-&nbsp;Enable&nbsp;scsi&nbsp;events&nbsp;to&nbsp;syslog.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u5f00\u542f\u6240\u6709scsi&nbsp;log\n0&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;Disable&nbsp;scsi&nbsp;events&nbsp;to&nbsp;syslog.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u5173\u95ed\u6240\u6709scsi&nbsp;log\n<\/code><\/pre>\n<p>\u5176\u4e2dtarget3:0:0 \u5bf9\u5e94<\/p>\n<ol start=\"2\">\n<li>Linux \u5f00\u542f SCSI \u65e5\u5fd7\u8c03\u8bd5\u529f\u80fd<\/li>\n<\/ol>\n<p>scsi<em>logging<\/em>level \u88ab\u5b9a\u4e49\u6210int\u7c7b\u578b\uff0832bit\uff09\uff0c\u8be5\u673a\u5236\u4f7f\u7528\u4e8630\u4e2abit\uff0c\u4ece\u4f4e\u4f4d\u5230\u9ad8\u4f4d\u6bcf3bit\u4e3a\u4e00\u4e2alogging level\u4eceSCSI<em>LOG<\/em>ERROR<em>SHIFT\u5230SCSI<\/em>LOG<em>IOCTL<\/em>SHIFT\uff08SCSI<em>LOG<\/em>XXX<em>SHIFT\u4e3a\u4e0d\u540clevel\u7684\u79fb\u4f4d\u6570\uff09\uff0c\u6bcf\u4e2alevel\u4f7f\u7528\u7684bit\u6570\u90fd\u662f3\uff0c\u6240\u4ee5 SCSI<\/em>LOG<em>XXX<\/em>BITS \u5747\u4e3a3<\/p>\n<pre><code>echo&nbsp;0\/-1&nbsp;&gt;&nbsp;\/proc\/sys\/dev\/scsi\/logging_level\n<\/code><\/pre>\n<p><!-- \u6587\u7ae0\u6765\u6e90:https:\/\/blog.csdn.net\/daocaokafei\/article\/details\/126632792 --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u547d\u4ee4lsscsi\u8be6\u89e3\u4e09\u3001 lsscsi\u547d\u4ee4   \u56db\u3001\u547d\u4ee4\u4e3e\u4f8b\u4e94\u3001\u5176\u4ed6\u60f3\u8981\u5f04\u660e\u767dlsscsi\u547d\u4ee4\uff0c\u9996\u5148\u6211\u4eec\u5fc5\u987b\u641e\u6e05\u695a\u4ec0\u4e48\u662fSCSI\uff0c\u4ee5\u53ca\u5e38\u89c1\u7684\u786c\u76d8\u63a5\u53e3\uff0c\u5e38\u7528\u7684\u786c\u76d8\u53c2\u6570\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-219","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=219"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/219\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=219"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}