{"id":3159,"date":"2020-08-31T21:04:37","date_gmt":"2020-08-31T13:04:37","guid":{"rendered":"http:\/\/www.fatesky.com\/?p=3159"},"modified":"2024-03-19T21:58:10","modified_gmt":"2024-03-19T13:58:10","slug":"%e3%80%90uos%e8%bf%90%e7%bb%b4%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%e3%80%91-iscsi%e7%bd%91%e7%bb%9c%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"https:\/\/www.fatesky.com\/?p=3159","title":{"rendered":"\u3010UOS\u8fd0\u7ef4\u5b66\u4e60\u7b14\u8bb0\u3011- ISCSI\u7f51\u7edc\u5b58\u50a8"},"content":{"rendered":"\n

\u4e00\u3001\u5173\u4e8e\u7f51\u7edc\u5b58\u50a8<\/h2>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n

\u7f51\u7edc\u5b58\u50a8\u6280\u672f\uff08Network Storage Technologies\uff09 \u7f51\u7edc\u5b58\u50a8\u6280\u672f\u662f\u57fa\u4e8e\u6570\u636e\u5b58\u50a8\u7684\u4e00\u79cd\u901a\u7528\u7f51\u7edc\u672f\u8bed\u3002
1\u3001\u7f51\u7edc\u5b58\u50a8\u7ed3\u6784\u5927\u81f4\u5206\u4e3a\u4e09\u79cd\uff1a<\/strong>
\u76f4\u8fde\u5f0f\u5b58\u50a8\uff08DAS\uff1aDirect Attached Storage\uff09
\u7f51\u7edc\u8fde\u63a5\u5f0f\u5b58\u50a8\uff08NAS\uff1aNetwork Attached Storage\uff09
\u5b58\u50a8\u7f51\u7edc\uff08SAN\uff1aStorage Area Network\uff09
2\u3001NAS \u4e0e SAN \u7684\u533a\u522b<\/strong>
NAS \u6709\u6587\u4ef6\u64cd\u4f5c\u548c\u7ba1\u7406\u7cfb\u7edf\uff0c\u800c SAN \u5374\u6ca1\u6709
SAN \u4e3b\u8981\u662f\u9ad8\u901f\u4fe1\u606f\u5b58\u50a8\uff0cNAS \u504f\u91cd\u6587\u4ef6\u5171\u4eab\u3002
SAN \u548c NAS \u76f8\u6bd4\u4e0d\u5177\u6709\u8d44\u6e90\u5171\u4eab\u7684\u7279\u5f81
SAN \u662f\u53ea\u80fd\u72ec\u4eab\u7684\u6570\u636e\u5b58\u50a8\u6c60\uff0cNAS \u662f\u5171\u4eab\u4e0e\u72ec\u4eab\u517c\u987e\u7684\u6570\u636e\u5b58\u50a8\u6c60\u3002
NAS \u662f\u7f51\u7edc\u5916\u6302\u5f0f\uff0c\u800c SAN \u662f\u901a\u9053\u5916\u6302\u5f0f\u3002
SAN \u9ad8\u6548\u53ef\u6269\uff0cNAS \u7b80\u5355\u7075\u6d3b
NAS \u7684\u4ee3\u8868-CIFS\u3001NFS
SAN \u7684\u4ee3\u8868 iSCSI\u3001FCP
Internet \u5c0f\u578b\u8ba1\u7b97\u673a\u7cfb\u7edf\u63a5\u53e3\uff08iSCSI\uff1aInternet Small Computer System Interface\uff09\u3002
iSCSI \u6280\u672f\u662f\u4e00\u79cd\u7531 IBM \u516c\u53f8\u7814\u7a76\u5f00\u53d1\u7684\uff0c\u662f\u4e00\u4e2a\u4f9b\u786c\u4ef6\u8bbe\u5907\u4f7f\u7528\u7684\u53ef\u4ee5\u5728 IP \u534f\u8bae\u7684\u4e0a\u5c42\u8fd0\u884c\u7684 SCSI \u6307\u4ee4\u96c6\uff0c\u8fd9\u79cd\u6307\u4ee4\u96c6\u5408\u53ef\u4ee5\u5b9e\u73b0\u5728 IP \u7f51\u7edc\u4e0a\u8fd0\u884c SCSI \u534f\u8bae\uff0c\u4f7f\u5176\u80fd\u591f\u5728\u8bf8\u5982\u9ad8\u901f\u5343\u5146\u4ee5\u592a\u7f51\u4e0a\u8fdb\u884c\u8def\u7531\u9009\u62e9\u3002iSCSI \u6280\u672f\u662f\u4e00\u79cd\u65b0\u50a8\u5b58\u6280\u672f\uff0c\u8be5\u6280\u672f\u662f\u5c06\u73b0\u6709 SCSI \u63a5\u53e3\u4e0e\u4ee5\u592a\u7f51\u7edc(Ethernet)\u6280\u672f\u7ed3\u5408\uff0c\u4f7f\u670d\u52a1\u5668\u53ef\u4e0e\u4f7f\u7528 IP \u7f51\u7edc\u7684\u50a8\u5b58\u88c5\u7f6e\u4e92\u76f8\u4ea4\u6362\u8d44\u6599\u3002
iSCSI \u662f\u4e00\u79cd\u57fa\u4e8e TCP\/IP \u7684\u534f\u8bae\uff0c\u7528\u6765\u5efa\u7acb\u548c\u7ba1\u7406 IP \u5b58\u50a8\u8bbe\u5907\u3001\u4e3b\u673a\u548c\u5ba2\u6237\u673a\u7b49\u4e4b\u95f4\u7684\u76f8\u4e92\u8fde\u63a5\uff0c\u5e76\u521b\u5efa\u5b58\u50a8\u533a\u57df\u7f51\u7edc\uff08SAN\uff09\u3002SAN \u4f7f\u5f97 SCSI \u534f\u8bae\u5e94\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7f51\u7edc\u6210\u4e3a\u53ef\u80fd\uff0c\u8fd9\u79cd\u4f20\u8f93\u4ee5\u6570\u636e\u5757\u7ea7\u522b\uff08block-level\uff09\u5728\u591a\u4e2a\u6570\u636e\u5b58\u50a8\u7f51\u7edc\u95f4\u8fdb\u884c\u3002
SCSI \u7ed3\u6784\u57fa\u4e8e\u5ba2\u6237\/\u670d\u52a1\u5668\u6a21\u5f0f\uff0c\u5176\u901a\u5e38\u5e94\u7528\u73af\u5883\u662f\uff1a\u8bbe\u5907\u4e92\u76f8\u9760\u8fd1\uff0c\u5e76\u4e14\u8fd9\u4e9b\u8bbe\u5907\u7531 SCSI \u603b\u7ebf\u8fde\u63a5\u3002iSCSI \u7684\u4e3b\u8981\u529f\u80fd\u662f\u5728 TCP\/IP \u7f51\u7edc\u4e0a\u7684\u4e3b\u673a\u7cfb\u7edf\uff08\u542f\u52a8\u5668 initiator\uff09\u548c\u5b58\u50a8\u8bbe\u5907\uff08\u76ee\u6807\u5668 target\uff09\u4e4b\u95f4\u8fdb\u884c\u5927\u91cf\u6570\u636e\u7684\u5c01\u88c5\u548c\u53ef\u9760\u4f20\u8f93\u8fc7\u7a0b\u3002\u6b64\u5916\uff0ciSCSI \u63d0\u4f9b\u4e86\u5728 IP \u7f51\u7edc\u5c01\u88c5SCSI \u547d\u4ee4\uff0c\u4e14\u8fd0\u884c\u5728 TCP \u4e0a\u3002
\u65e9\u671f\u7684\u4f01\u4e1a\u4f7f\u7528\u7684\u670d\u52a1\u5668\u82e5\u6709\u5927\u5bb9\u91cf\u78c1\u76d8\u7684\u9700\u6c42\u65f6\uff0c\u901a\u5e38\u662f\u900f\u8fc7 SCSI \u6765\u4e32\u63a5 SCSI \u78c1\u76d8\uff0c\u56e0\u6b64\u670d\u52a1\u5668\u4e0a\u9762\u5fc5\u987b\u8981\u52a0\u88c5 SCSI \u5361\uff0c\u800c\u4e14\u8fd9\u4e2a SCSI \u662f\u4e13\u5c5e\u4e8e\u8be5\u670d\u52a1\u5668\u7684\u3002\u540e\u6765\u8fd9\u4e2a\u5916\u63a5\u5f0f\u7684 SCSI\u8bbe\u5907\u88ab SAN \u7684\u67b6\u6784\u6240\u53d6\u4ee3\uff0c\u5728 SAN \u7684\u6807\u51c6\u67b6\u6784\u4e0b\uff0c\u867d\u7136\u6709\u5f88\u591a\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u5bf9\u540c\u4e00\u4e2a SAN \u8fdb\u884c\u5b58\u53d6\u7684\u52a8\u4f5c\uff0c\u4e0d\u8fc7\u4e3a\u4e86\u901f\u5ea6\u9700\u6c42\uff0c\u901a\u5e38\u4f7f\u7528\u7684\u662f\u5149\u7ea4\u901a\u9053\u3002\u4f46\u662f\u5149\u7ea4\u901a\u9053\u5f88\u8d35\uff0c\u4e0d\u4f46\u8bbe\u5907\u8d35\uff0c\u670d\u52a1\u5668\u4e0a\u9762\u4e5f\u8981\u6709\u5149\u7ea4\u5361\uff0c\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u5149\u7ea4\u7684 SAN \u5728\u4e2d\u5c0f\u4f01\u4e1a\u5f88\u96be\u666e\u53ca\u3002
\u968f\u7740\u7f51\u7edc\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5c24\u5176\u662f\u4ee5 IP \u5c01\u5305\u4e3a\u57fa\u7840\u7684 LAN \u6280\u672f\u5df2\u7ecf\u5f88\u6210\u719f\uff0c\u518d\u52a0\u4e0a\u4ee5\u592a\u7f51\u8def\u7684\u901f\u5ea6\u8d8a\u6765\u8d8a\u5feb\uff0c\u6240\u4ee5\u5c31\u6709\u5382\u5546\u5c06 SAN \u7684\u8fde\u63a5\u65b9\u5f0f\u6539\u4e3a\u5229\u7528 IP \u6280\u672f\u6765\u5904\u7406\u3002\u7136\u540e\u518d\u900f\u8fc7\u4e00\u4e9b\u6807\u51c6\u7684\u8bbe\u5b9a\uff0c\u6700\u540e\u5c31\u5f97\u5230 Internet SCSI (iSCSI)\u8fd9\u4e2a\u7684\u4ea7\u751f\uff01iSCSI \u4e3b\u8981\u662f\u900f\u8fc7 TCP\/IP \u7684\u6280\u672f\uff0c\u5c06\u50a8\u5b58\u8bbe\u5907\u7aef\u900f\u8fc7 iSCSI target (iSCSI \u76ee\u6807\u7aef)\u529f\u80fd\uff0c\u505a\u6210\u53ef\u4ee5\u63d0\u4f9b\u78c1\u76d8\u7684\u670d\u52a1\u5668\u7aef\uff0c\u518d\u900f\u8fc7 iSCSIinitiator (iSCSI \u521d\u59cb\u5316\u7528\u6237)\u529f\u80fd\uff0c\u505a\u6210\u80fd\u591f\u6302\u8f7d\u4f7f\u7528 iSCSI target \u7684\u7528\u6237\u7aef\uff0c\u5982\u6b64\u4fbf\u80fd\u900f\u8fc7iSCSI \u8bbe\u7f6e\u6765\u8fdb\u884c\u78c1\u76d8\u7684\u5e94\u7528\u4e86\u3002
3\u3001iSCSI \u6280\u672f\u4f18\u70b9\u548c\u6210\u672c\u4f18\u52bf<\/strong>
\u786c\u4ef6\u6210\u672c\u4f4e\uff1a\u6784\u5efa iSCSI \u5b58\u50a8\u7f51\u7edc\uff0c\u9664\u4e86\u5b58\u50a8\u8bbe\u5907\u5916\uff0c\u4ea4\u6362\u673a\u3001\u7ebf\u7f06\u3001\u63a5\u53e3\u5361\u90fd\u662f\u6807\u51c6\u7684\u4ee5\u592a\u7f51\u914d\u4ef6\uff0c\u4ef7\u683c\u76f8\u5bf9\u6765\u8bf4\u6bd4\u8f83\u4f4e\u5ec9\u3002\u540c\u65f6\uff0ciSCSI \u8fd8\u53ef\u4ee5\u5728\u73b0\u6709\u7684\u7f51\u7edc\u4e0a\u76f4\u63a5\u5b89\u88c5\uff0c\u5e76\u4e0d\u9700\u8981\u66f4\u6539\u4f01\u4e1a\u7684\u7f51\u7edc\u4f53\u7cfb\uff0c\u8fd9\u6837\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u8282\u7ea6\u6295\u5165\u3002
\u64cd\u4f5c\u7b80\u5355\uff0c\u7ef4\u62a4\u65b9\u4fbf\uff1a\u5bf9 iSCSI \u5b58\u50a8\u7f51\u7edc\u7684\u7ba1\u7406\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u5bf9\u4ee5\u592a\u7f51\u8bbe\u5907\u7684\u7ba1\u7406\uff0c\u53ea\u9700\u82b1\u8d39\u5c11\u91cf\u7684\u8d44\u91d1\u53bb\u57f9\u8bad iSCSI \u5b58\u50a8\u7f51\u7edc\u7ba1\u7406\u5458\u3002\u5f53 iSCSI \u5b58\u50a8\u7f51\u7edc\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u95ee\u9898\u5b9a\u4f4d\u53ca\u89e3\u51b3\u4e5f\u4f1a\u56e0\u4e3a\u4ee5\u592a\u7f51\u7684\u666e\u53ca\u800c\u53d8\u5f97\u5bb9\u6613\u3002
\u6269\u5145\u6027\u5f3a\uff1a\u5bf9\u4e8e\u5df2\u7ecf\u6784\u5efa\u7684 iSCSI \u5b58\u50a8\u7f51\u7edc\u6765\u8bf4\uff0c\u589e\u52a0 iSCSI \u5b58\u50a8\u8bbe\u5907\u548c\u670d\u52a1\u5668\u90fd\u5c06\u53d8\u5f97\u7b80\u5355\u4e14\u65e0\u9700\u6539\u53d8\u7f51\u7edc\u7684\u4f53\u7cfb\u7ed3\u6784\u3002
\u5e26\u5bbd\u548c\u6027\u80fd\uff1aiSCSI \u5b58\u50a8\u7f51\u7edc\u7684\u8bbf\u95ee\u5e26\u5bbd\u4f9d\u8d56\u4ee5\u592a\u7f51\u5e26\u5bbd\u3002\u968f\u7740\u5343\u5146\u4ee5\u592a\u7f51\u7684\u666e\u53ca\u548c\u4e07\u5146\u4ee5\u592a\u7f51\u7684\u5e94\u7528\uff0ciSCSI \u5b58\u50a8\u7f51\u7edc\u4f1a\u8fbe\u5230\u751a\u81f3\u8d85\u8fc7 FC\uff08FiberChannel\uff0c\u5149\u7ea4\u901a\u9053\uff09\u5b58\u50a8\u7f51\u7edc\u7684\u5e26\u5bbd\u548c\u6027\u80fd\u3002
\u7a81\u7834\u8ddd\u79bb\u9650\u5236\uff1aiSCSI \u5b58\u50a8\u7f51\u7edc\u4f7f\u7528\u7684\u662f\u4ee5\u592a\u7f51\uff0c\u56e0\u800c\u5728\u670d\u52a1\u5668\u548c\u5b58\u50a8\u8bbe\u5907\u7684\u7a7a\u95f4\u5e03\u5c40\u4e0a\u7684\u9650\u5236\u5c31\u4f1a\u5c11\u4e86\u5f88\u591a\uff0c\u751a\u81f3\u53ef\u4ee5\u8de8\u8d8a\u5730\u533a\u548c\u56fd\u5bb6\u3002
4\u3001ISCSI \u7684\u67b6\u6784\u7ec4\u6210<\/strong>
SCSI \u4f7f\u7528 Client\/Server \u6a21\u578b\u3002Initiator \u4e3a\u5e94\u7528\u5ba2\u6237\u7aef\uff0c\u800c Target \u5305\u62ec\u8bbe\u5907 \u670d\u52a1\u5668\u7aef\u548c\u961f\u5217\u7ba1\u7406\u4e24\u90e8\u5206\u3002
ISCSI \u7684\u50a8\u5b58\u8bbe\u5907\u79f0\u4e3a iSCSITarget\uff08\u6216\u79f0 iSCSI Target Device\uff09\uff0c\u4f8b\u5982 iSCSI \u78c1\u76d8\u9635\u5217\u67dc\u3001iSCSI\u78c1\u5e26\u67dc\u7b49\u3002
ISCSI \u5361\u79f0\u4e3a ISCSI HBA\uff08Host Bus Adapter\uff09\u3002ISCSI \u5141\u8bb8\u4f7f\u7528\u4e00\u822c Ethernet NIC \u5361\uff0c\u82e5\u4f7f\u7528\u4e00\u822c GbE \u5361\uff0c\u5219\u8fd8\u9700\u8981\u642d\u914d\u8f6f\u4ef6\u624d\u80fd\u8ba9 GbE \u5361\u6536\u53d1 ISCSI \u534f\u8bae\uff0c\u6b64\u8f6f\u4ef6\u79f0\u4e3a ISCSI Initiator\uff0c\u4e8b\u5b9e\u4e0a ISCSI HBA \u7684\u89d2\u8272\u4e5f\u7b49\u540c\u4e8e ISCSI Initiator\u3002
\u6982\u5ff5
TPG\uff1a \u5171\u4eab\u5b58\u50a8\u7ec4\uff0c\u67d0\u4e2a\u7279\u5b9a iSCSI \u76ee\u6807\u8981\u4fa6\u542c\u7684\u63a5\u53e3 IP \u5730\u5740\u548c TCP \u7aef\u53e3\u7684\u96c6\u5408\u3002\u53ef\u4ee5\u5c06\u76ee\u6807\u914d\u7f6e\u6dfb\u52a0\u5230 TPG \u4ee5\u534f\u8c03\u591a\u4e2a LUN \u7684\u8bbe\u7f6e\u3002
ACL\uff1a \u8bbf\u95ee\u6743\u9650\u63a7\u5236\u5217\u8868\uff0c\u4e00\u79cd\u4f7f\u7528\u8282\u70b9 IQN(\u901a\u5e38\u662f\u542f\u52a8\u5668\u540d\u79f0)\u6765\u9a8c\u8bc1\u542f\u52a8\u5668\u7684\u8bbf\u95ee\u6743\u9650\u7684\u8bbf\u95ee\u9650\u5236
IQN\uff1a iSCSI \u9650\u5b9a\u540d\u79f0\uff0c\u5168\u7403\u552f\u4e00\u540d\u79f0\uff0c\u7528\u4e8e\u4ee5\u5f3a\u5236\u547d\u540d\u683c\u5f0f\u6765\u8bc6\u522b\u542f\u52a8\u5668\u548c\u76ee\u6807\u3002
IQN \u683c\u5f0f\u5982\u4e0b\uff1a
iqn.YYYY-MM.com.reversed.domain[:optionalstring]
iqn\uff1a\u8868\u793a\u6b64\u540d\u79f0\u4f7f\u7528\u57df\u4e3a\u6807\u8bc6\u7b26\u3002
YYYY-MM\uff1a\u8868\u793a\u62e5\u6709\u57df\u540d\u7684\u5e74\u6708\u65f6\u95f4\u3002
com.reversed.domain:\u62e5\u6709\u6b64 iSCSI \u7ec4\u7ec7\u7684\u9006\u5411\u57df\u540d
:optionalstring\uff1a\u4ee5\u5192\u53f7\u4e3a\u524d\u7f00\u7684\u53ef\u9009\u5b57\u7b26\u4e32\uff0c\u5168\u7403\u552f\u4e00\uff0c\u7531\u57df\u6240\u6709\u8005\u5206\u914d\uff0c\u5176\u4e2d\u53ef\u5305\u542b\u5192\u53f7\u4e3a\u5206\u5272\u7b26\u7684\u7ec4\u7ec7\u8fb9\u754c
LUN\uff1a \u903b\u8f91\u5355\u5143\u53f7\uff0c\u5e26\u6709\u7f16\u53f7\u7684\u5757\u8bbe\u5907\uff0c\u8fde\u63a5\u5230\u76ee\u6807\u4e14\u901a\u8fc7\u76ee\u6807\u6765\u4f7f\u7528\u3002\u53ef\u4ee5\u6709\u4e00\u4e2a\u6216\u591a\u4e2aLUN \u8fde\u63a5\u5230\u5355\u4e2a\u76ee\u6807\uff0c\u4f46\u901a\u5e38\u4e00\u4e2a\u76ee\u6807\u63d0\u4f9b\u4e00\u4e2a LUN
portals \u5165\u53e3\uff1a \u76ee\u6807\u6216\u542f\u52a8\u5668\u4e0a\u7528\u4e8e\u5efa\u7acb\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u3002 3260<\/p>\n\n\n\n

\u4e8c\u3001iscsi \u7684\u914d\u7f6e<\/h2>\n\n\n\n

1\u3001\u5b9e\u9a8c-\u78c1\u76d8\u65b9\u5f0f iscsi<\/strong>
\uff081\uff09\u6dfb\u52a0\u786c\u76d8
\u5728 uos1 \u4e0a\u64cd\u4f5c<\/span>
\u65b0\u6dfb\u52a0\u4e00\u5757\u513f\u786c\u76d8\/dev\/sdb
\u5206\u51fa sdb1 \u5206\u533a
fdisk -l
fdisk \/dev\/sdb
n p 1 \u56de\u8f66 +10G w<\/code>
\uff082\uff09\u5b89\u88c5 <\/strong>
apt install -y targetcli-fb <\/code>
\uff083\uff09\u5feb\u901f\u521b\u5efa targetcli <\/strong>
targetcli \u662f Linux-IO Target \u7684\u7528\u6237\u6001\u7684\u7ba1\u7406\u914d\u7f6e\u5de5\u5177\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 yum \u6216 apt-get \u76f4\u63a5\u4ece\u5404 \u5927\u53d1\u884c\u7248\u7684\u5b98\u65b9\u4ed3\u5e93\u5b89\u88c5\uff0c\u5bf9\u4e8e\u8f83\u8001\u7684 linux \u7248\u672c\u9700\u8981\u81ea\u5df1\u7f16\u8bd1\u6e90\u7801\u5b89\u88c5\u3002targetcli \u63d0\u4f9b\u4e00\u4e2a \u7c7b\u4f3c shell \u7684\u754c\u9762\uff0c\u5404\u79cd Target\u3001TPG\u3001LUN\u3001backstore \u5bf9\u8c61\u5219\u88ab\u7ec4\u7ec7\u6210\u76ee\u5f55\u6811\u7684\u5f62\u5f0f\uff0c\u7528\u6237 \u53ef\u4ee5\u7528 ls\u3001cd \u547d\u4ee4\u6765\u6d4f\u89c8\u76ee\u5f55\u6811\uff0c\u7528 create\u3001delete \u547d\u4ee4\u6765\u521b\u5efa\u548c\u5220\u9664\u5404\u79cd\u5bf9\u8c61\u3002\u6d4f\u89c8\u914d\u7f6e\uff0c \u5c31\u662f\u6d4f\u89c8\u76ee\u5f55\u6811\uff0c\u521b\u5efa\u5220\u9664\u5404\u79cd\u5bf9\u8c61\uff0c\u5c31\u662f\u5728\u76ee\u5f55\u6811\u7684\u5404\u7ea7\u8282\u70b9\u4e2d\u521b\u5efa\u65b0\u7684\u8282\u70b9\u3002\u540c\u65f6 targetcli \u8fd8\u63d0\u4f9b\u4e86\u5e38\u89c1\u7684 shell \u547d\u4ee4\u8f85\u52a9\u7f16\u8f91\u529f\u80fd\uff0c\u4f8b\u5982 TAB \u667a\u80fd\u8865\u5168\u3001\u4e0a\u4e0b\u952e\u5207\u6362\u547d\u4ee4\u5386\u53f2\u3001 Ctrl + R \u641c\u7d22\u547d\u4ee4\u5386\u53f2\u3002\u51e1\u662f\u6709\u4e0d\u719f\u6089\u7684\u547d\u4ee4\uff0c\u90fd\u53ef\u4ee5\u7528 help \u547d\u4ee4\u67e5\u8be2\u4f7f\u7528\u8bf4\u660e\u3002 targetcli #\u8fdb\u5165\u4ea4\u4e92\u754c\u9762
\u6b65\u9aa4 1\uff1a<\/strong>\u5efa\u7acb\u4e00\u4e2a\u5757\u5b58\u50a8 \u6ce8\u610f\uff1a\u540d\u79f0 smydisk \u53ef\u81ea\u5b9a\u4e49\uff09\uff0c\/dev\/sdb1 \u4e3a\u4e0a\u9762\u65b0\u5efa\u7684\u5206\u533a\u540d\u79f0\u3002
backstores\/block create mydisk \/dev\/sdb1 <\/code>
\u6b65\u9aa4 2\uff1a<\/strong>\u914d\u7f6e ISCSITarget \u547d\u540d \u6ce8\u610f\uff1a\u547d\u540d\u5728\u540c\u4e00\u5b50\u7f51\u5185\u786e\u4fdd\u662f\u552f\u4e00\u7684\uff0c\u547d\u540d\u683c\u5f0f\u4e3a\uff1aiqn.yyyy-mm.<\u4e3b\u673a\u540d\u53cd\u5199>:\u81ea\u5b9a\u4e49\u540d \u79f0\uff08\u81ea\u5b9a\u4e49\u540d\u79f0\u5185\u4e0d\u80fd\u6709\u4e0b\u5212\u7ebf\uff09 iscsi create iqn.2020-06.com.uos-uos <\/code>
\u6b65\u9aa4 3\uff1a<\/strong>\u521b\u5efa ACL \u5141\u8bb8 ISCSI \u5ba2\u6237\u673a\u8fde\u63a5 \u6ce8\u610f\uff1aiqn.2020-06.com.uos-client \u4e3a\u5ba2\u6237\u673a ISCSI \u540d\u79f0\u3002
iscsi\/iqn.2020-06.com.uos-uos\/tpg1\/acls create iqn.2020-06.com.uos-client <\/code>
\u6b65\u9aa4 4\uff1a<\/strong>\u521b\u5efa lun\uff08target \u5757\u8bbe\u5907\u7684\u903b\u8f91\u5355\u5143\uff09
iscsi\/iqn.2020-06.com.uos:uos1\/tpg1\/luns create \/backstores\/block\/mydisk<\/code>
\u6b65\u9aa4 5\uff1a<\/strong>\u4fdd\u5b58\u9000\u51fa
saveconfig exit \u67e5\u770b\u7aef\u53e3
netstat -antup | grep 3260 tcp 0 0 0.0.0.0:3260 0.0.0.0: LISTEN - <\/code><\/p>\n\n\n\n

\"\"\/<\/div><\/figure>\n\n\n\n

\u5728 uos2 \u4e0a\u64cd\u4f5c<\/span>
\u6b65\u9aa4 1\uff1a<\/strong>\u5b89\u88c5 open-iscsi
apt-get install open-iscsi<\/code>
\u542f\u52a8 iscsi \u670d\u52a1
systemctl restart iscsi
systemctl start iscsid<\/code>
\u8bbe\u7f6e\u5f00\u673a\u542f\u52a8\u670d\u52a1
systemctl enable iscsid<\/code>
\u6b65\u9aa4 2\uff1a<\/strong>\u914d\u7f6e ISCSIInitiator \u540d\u79f0
\u6ce8\uff1a\u6b64\u5904 InitiatorName \u5fc5\u987b\u4e0e\u670d\u52a1\u7aef\u914d\u7f6e\u7684 ACL \u5141\u8bb8 ISCSI \u5ba2\u6237\u673a\u8fde\u63a5\u7684\u540d\u79f0\u4e00\u81f4\u3002
vim \/etc\/iscsi\/initiatorname.iscsi<\/code>
InitiatorName=iqn.1993-08.org.debian:01:e7ae330e87d
InitiatorName=iqn.2020-06.com.uos-client<\/span>
\u6b65\u9aa4 3\uff1a<\/strong>\u53d1\u73b0 iSCSI \u5b58\u50a8
man iscsiadm #\u641c\u7d22 example \u67e5\u770b\u793a\u4f8b\u8bed\u6cd5<\/code>
mode \u6709:discovery\u3001node\u3001session\u3001iface\u3002\u4e00\u822c\u5c31\u7528\u524d\u4e24\u4e2a mode\u3002
discovery\uff1a\u53d1\u73b0\u67d0\u670d\u52a1\u5668\u662f\u5426\u6709 target \u8f93\u51fa\uff0c\u4ee5\u53ca\u8f93\u51fa\u4e86\u54ea\u4e9b target\u3002\u53d1\u73b0 target\u540e\u4f1a\u751f\u6210 target \u6570\u636e\u5e93 discoverydb\u3002
type\uff1a\u6709\u4e09\u79cd type(sendtargets,SLP,iSNS)\uff0c\u4e00\u822c\u53ea\u4f1a\u7528\u5230 sendtargets
portal\uff1a\u6307\u5b9a\u8981\u53d1\u73b0 target \u7684 IP \u548c\u7aef\u53e3\uff0c\u4e0d\u6307\u5b9a\u7aef\u53e3\u65f6\u4f7f\u7528\u9ed8\u8ba4\u7684 3260
iscsiadm –mode discoverydb –type sendtargets –portal 192.168.200.201 –discover
\u6b65\u9aa4 4\uff1a<\/strong>\u8fde\u63a5 ISCSI \u8bbe\u5907
node\uff1a\u7ba1\u7406\u8ddf\u67d0 target \u7684\u5173\u8054\u5173\u7cfb\u3002\u5728 discovery \u53d1\u73b0\u4e86 target \u540e\uff0c\u662f\u5426\u8981\u8ddf target\u5efa\u7acb\u5173\u7cfb\uff0c\u662f\u5426\u8981\u5220\u9664\u5df2\u6709\u7684\u5173\u7cfb\u6216\u8005\u89e3\u9664\u5df2\u6709\u7684\u5173\u7cfb\u7b49\u3002\u5220\u9664\u5173\u8054\u5173\u7cfb\u4e0d\u4ec5\u4f1a\u89e3\u9664\u5173\u8054\uff0c\u8fd8\u4f1a\u5220\u9664\u53d1\u73b0 target \u540e\u751f\u6210\u7684 discoverydb\u3002
iscsiadm --mode node --targetname iqn.2020-04.com.uos-uos --portal 192.168.200.201:3260 --login<\/code>
\u67e5\u770b\u7cfb\u7edf\u78c1\u76d8\u4fe1\u606f
fdisk -l<\/code>
\u6b65\u9aa4 5\uff1a<\/strong>\u8bbe\u7f6e\u5728\u5f00\u673a\u540e\u81ea\u52a8\u767b\u5f55 Target\u3002
\u7528 vi \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6
vim \/etc\/iscsi\/iscsi.conf<\/code>
node.startup = automatic \u53bb\u6389\u524d\u9762\u7684\u6ce8\u91ca\u7b26
node.startup = manual \u5728\u524d\u9762\u52a0\u4e0a\u6ce8\u91ca\u7b26#<\/span>
\u6b65\u9aa4 6\uff1a\u8bbe\u7f6e\u5f00\u673a\u6302\u8f7d\u7f51\u7edc\u78c1\u76d8
fdisk \/dev\/sdb #\u5206\u51fa\/dev\/sdb1
mkfs.ext4 \/dev\/sdb1
mkdir \/mnt\/mydisk1 #\u521b\u5efa\u6302\u5728\u76ee\u5f55
blkid \/dev\/sdb1 #\u67e5\u8be2 uuid
vim \/etc\/fstab<\/code>
UUID=5d70249d-e305-4d9e-821e-3378938fad35 \/mydisk1 ext4 defaults,_netdev 0 0<\/span>
\u4e0d\u52a0_netdev \u5f00\u673a\u4f1a\u5361\u4f4f\uff0c\u5f53\u6211\u4eec\u6302\u8f7d\u7f51\u7edc\u5b58\u50a8\u8bbe\u5907\u65f6\u7531\u4e8e\/dev\/sdb \u662f\u4e00\u5757\u7f51\u7edc\u5b58\u50a8\u8bbe\u5907\uff0c\u800c iSCSI \u534f\u8bae\u662f\u57fa\u4e8e TCP\/IP \u7f51\u7edc\u4f20\u8f93\u6570\u636e\u7684\uff0c\u56e0\u6b64\u5fc5\u987b\u5728\/etc\/fstab \u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e0a_netdev \u53c2\u6570\uff0c\u8868\u793a\u5f53\u7cfb\u7edf\u8054\u7f51\u540e\u518d\u8fdb\u884c\u6302\u8f7d\u64cd\u4f5c\uff0c\u4ee5\u514d\u7cfb\u7edf\u5f00\u673a\u65f6\u95f4\u8fc7\u957f\u6216\u5f00\u673a\u5931\u8d25\u3002
reboot #\u91cd\u542f\u81ea\u52a8\u6302\u8f7d<\/code>

2\u3001\u5b9e\u9a8c-\u6587\u4ef6\u65b9\u5f0f iscsi<\/strong>
\u5728 uos1 \u4e0a\u64cd\u4f5c
dd if=\/dev\/zero of=\/iscsifile bs=1M count=2048 #\u521b\u5efa\u7a7a\u6d1e\u6587\u4ef6
targetcli #\u8fdb\u5165\u4ea4\u4e92\u754c\u9762
backstores\/fileio create mydisk2 \/iscsifile
iscsi\/ create iqn.2020-04.com.uosfile
iscsi\/iqn.2020-04.com.uosfile\/tpg1\/acls create iqn.2020-04.com.uosfile:client
iscsi\/iqn.2020-04.com.uosfile\/tpg1\/luns create \/backstores\/fileio\/mydisk2
saveconfig
exit<\/code>
\u5728 uos2 \u4e0a\u64cd\u4f5c
vim \/etc\/iscsi\/initiatorname.iscsi #\u914d\u7f6e ISCSIInitiator \u540d\u79f0
InitiatorName=iqn.2020-04.com.uos-client
InitiatorName=iqn.2020-04.com.uosfile:client
vim \/etc\/iscsi\/iscsid.conf
node.session.timeo.replacement_timeout = 5 #\u4fee\u6539\uff0c\u94fe\u8def\u91cd\u8bd5 5 \u79d2\u4e0d\u80fd\u8fde\u63a5\u5219\u5ba3\u544a\u65ad\u5f00
systemctl restart iscsi
systemctl restart iscsid #\u91cd\u542f\u670d\u52a1
systemctl enable iscsid
iscsiadm --mode discoverydb --type sendtargets --portal 192.168.200.201 --discover
iscsiadm --mode node --name iqn.2020-06.com.uosfile --portal 192.168.200.201:3260 --login<\/code>
\u8bbe\u7f6e\u5728\u5f00\u673a\u540e\u81ea\u52a8\u767b\u5f55 Target
\u7528 vi \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6
vim \/etc\/iscsi\/iscsi.conf<\/code>
node.startup = automatic \u53bb\u6389\u524d\u9762\u7684\u6ce8\u91ca\u7b26
node.startup = manual \u5728\u524d\u9762\u52a0\u4e0a\u6ce8\u91ca\u7b26#<\/span>
fdisk -l #\u53d1\u73b0\/dev\/sdc
fdisk \/dev\/sdc #\u5206\u533a\/dev\/sdc1
mkfs.ext4 \/dev\/sdc1
mkdir \/mnt\/mydisk2
blkid #\u627e\u51fa\/dev\/sdc1 \u7684 UUID
vim \/etc\/fstab<\/code>
UUID=”c56a71c0-d17c-4ff2-80f6-8be43b1663ea” \/mnt\/mydisk2 ext4 defaults,_netdev 0 0<\/span>
reboot #\u91cd\u542f\u81ea\u52a8\u6302\u8f7d
iscsiadm -m session -P[123] #\u67e5\u770b iscsi \u4fe1\u606f\uff0c\uff0c\u5927\u5199 P\uff0csession\uff1a\u4f1a\u8bdd\u7ba1\u7406\u3002<\/code>
3\u3001\u5b9e\u9a8c-iscsi \u5f00\u5173\u987a\u5e8f<\/strong>
\u5173\u673a\u987a\u5e8f
uos2 \u5148\u5173 uos1 \u518d\u5173
\u5f00\u673a\u987a\u5e8f
uos1 \u5148\u5f00 uos2 \u518d\u5f00
4\u3001\u5b9e\u9a8c-iscsi \u7684\u5220\u9664<\/strong>
\u5728 uos2 \u4e0a
\u5378\u8f7d\u6302\u8f7d
umount \/mnt\/mydisk1
umount \/mnt\/mydisk2<\/code>
vim \/etc\/fstab #\u5220\u9664 fstab \u76f8\u5173\u5185\u5bb9<\/code>
-d\uff1a\u6307\u5b9a debug \u7ea7\u522b\uff0c\u6709 0-8 \u4e2a\u7ea7\u522b\u3002
-L \u548c-U\uff1a\u5206\u522b\u662f\u767b\u5f55\u548c\u767b\u51fa target\uff0c\u53ef\u4ee5\u6307\u5b9a ALL \u8868\u793a\u6240\u6709\u53d1\u73b0\u7684 target\uff0c\u6216\u8005 manual \u6307\u5b9a\u3002
-l \u548c-u\uff1a\u5206\u522b\u662f\u767b\u5f55\u548c\u767b\u51fa\u67d0\u4e00\u4e2a target\u3002
-T\uff1a\u7528\u4e8e-l \u6216-u \u65f6\u6307\u5b9a\u8981\u767b\u5f55\u548c\u767b\u51fa\u7684 targetname\u3002
-o\uff1a\u5bf9 discoverydb \u505a\u67d0\u4e9b\u64cd\u4f5c\uff0c\u53ef\u7528\u7684\u64cd\u4f5c\u6709 new\/delete\/update\/show\uff0c\u4e00\u822c\u53ea\u4f1a\u7528\u5230
delete \u548c show\u3002
iscsiadm --mode node --name iqn.2020-06.com.uosfile:client --portal 192.168.200.201:3260 --logout
iscsiadm --mode node --name iqn.2020-06.com.uosfile --portal 192.168.200.201:3260 --logout
iscsiadm -m node -T iqn.2020-06.com.uosfile:client -p 192.168.200.201-o delete
iscsiadm -m node -T iqn.2020-06.com.uosfile -p 192.168.200.201 -o delete
fdisk -l #\u5df2\u7ecf\u770b\u4e0d\u5230\/dev\/sdb1 \u548c\/dev\/sdc1 \u4e86
\u6216\u8005
vim \/etc\/iscsi\/iscsid.conf<\/code>
node.startup = manual #\u4fee\u6539\uff0c\u4eca\u540e\u5c06\u4e0d\u4f1a\u81ea\u52a8\u6302\u8f7d<\/span>
<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u5173\u4e8e\u7f51\u7edc\u5b58\u50a8 \u7f51\u7edc\u5b58\u50a8\u6280\u672f\uff08Network Storage Technologies\uff09 \u7f51\u7edc\u5b58\u50a8\u6280\u672f\u662f\u57fa\u4e8e […]<\/p>\n","protected":false},"author":1,"featured_media":3168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[103,102,104],"class_list":["post-3159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2","tag-nas","tag-san","tag-104"],"_links":{"self":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/3159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3159"}],"version-history":[{"count":1,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/3159\/revisions"}],"predecessor-version":[{"id":3271,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/posts\/3159\/revisions\/3271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=\/wp\/v2\/media\/3168"}],"wp:attachment":[{"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fatesky.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}