{"id":295,"date":"2015-03-11T15:03:19","date_gmt":"2015-03-11T07:03:19","guid":{"rendered":"http:\/\/heliang.net.cn\/?p=295"},"modified":"2015-03-11T15:03:19","modified_gmt":"2015-03-11T07:03:19","slug":"linux%e4%b8%8b%e6%8c%82%e8%bd%bdiscsi%e5%ad%98%e5%82%a8%e8%ae%be%e5%a4%87","status":"publish","type":"post","link":"https:\/\/www.heliang.net.cn\/?p=295","title":{"rendered":"linux\u4e0b\u6302\u8f7dISCSI\u5b58\u50a8\u8bbe\u5907"},"content":{"rendered":"

\u00a0\u00a0
\n\u00a0<\/p>\n

\n\u00a0<\/p>\n

\u5b89\u88c5<\/strong>\n\t<\/p>\n

\u9996\u5148\u8981\u5728\u5b58\u50a8\u8bbe\u5907\u4e0a\u505a\u597dRAID\uff0c\u8bbe\u7f6e\u597diSCSI \u76ee\u6807\u65b9\uff08target\uff09\u3002\n<\/p>\n

\u8fd9\u91cc\u4e3b\u8981\u8bf4\u660eiSCSI initiator\u7684\u5b89\u88c5\u3002\n<\/p>\n

\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5e94\u5404\u81ea\u7684iSCSI initiator\uff0c\u4ee5Redhat enterprise5\u4e3a\u4f8b\u3002\u5230\u7f51\u4e0a\u4e0b\u8f7discsi-initiator-utils-6.2.0.742-0.5.el5.i386.rpm\n<\/p>\n

# rpm \u2013ivh iscsi-initiator-utils-6.2.0.742-0.5.el5.i386.rpm\n<\/p>\n

\u5728\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u4e86iSCSI initiator\u4ee5\u53caiscsiadm\n<\/p>\n

iscsiadm\u662f\u57fa\u4e8e\u547d\u4ee4\u884c\u7684iscsi\u7ba1\u7406\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u5bf9iscsi\u8282\u70b9\u3001\u4f1a\u8bdd\u3001\u8fde\u63a5\u4ee5\u53ca\u53d1\u73b0\u8bb0\u5f55\u7684\u64cd\u4f5c\u3002\n<\/p>\n

iscsiadm\u7684\u4f7f\u7528\u8bf4\u660e\u53ef\u4ee5\u67e5\u770b\/usr\/share\/doc\/iscsi-initiator-utils-6.2.0.742\/README\uff0c\u4e5f\u53ef\u4ee5\u8fd0\u884cman iscsiadm\u6216iscsiadm –help\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u4f7f\u7528<\/strong>\n\t<\/p>\n

\u4e0b\u9762\u6765\u8bb2\u4e00\u4e0b\u8fde\u63a5iscsi\u8bbe\u5907\u7684\u6b65\u9aa4\uff1a\n<\/p>\n

1 \u542f\u52a8iscsi\u5b88\u62a4\u8fdb\u7a0b\n<\/p>\n

#service iscsi start\n<\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u542f\u52a8\u540e\u6b64\u8fdb\u7a0b\u4f1a\u81ea\u52a8\u8fd0\u884c\n<\/p>\n

2 \u53d1\u73b0\u76ee\u6807\n<\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0ciscsi\u53d1\u8d77\u65b9\u548c\u76ee\u6807\u65b9\u4e4b\u95f4\u901a\u8fc7\u7aef\u53e33260\u8fde\u63a5\u3002\u5047\u8bbe\u5df2\u77e5iscsi\u7684\u76ee\u6807\u65b9IP\u662f192.168.1.1\uff0c\u8fd0\u884c\u4e0b\u5217\u547d\u4ee4\uff1a\n<\/p>\n

#chkconfig iscsi on\uff1bchkconfig iscsi –list \uff08\u67e5\u770bISCSI\u542f\u52a8\u72b6\u6001\uff09\n<\/p>\n

#iscsiadm -m discovery -t sendtargets -p 192.168.1.1:3260\n<\/p>\n

\u6b64\u65f6\u627e\u5230\u62e5\u6709\u4e00\u4e2a\u76ee\u6807\uff08target\uff09\n<\/p>\n

192.168.1.1:3260,1 iqn.1997-05.com.test:raid\n<\/p>\n

\u88ab\u53d1\u73b0\u7684\u76ee\u6807\u4e5f\u53eb\u505a\u8282\u70b9\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

3\u767b\u5165\u8282\u70b9\n<\/p>\n

\u4ee5\u4e0a\u9762\u88ab\u53d1\u73b0\u7684\u76ee\u6807\u4e3a\u4f8b\n<\/p>\n

# iscsiadm -m node \u2013T\u00a0\u00a0iqn.1997-05.com.test:raid -p 192.168.1.1\uff1a3260 -l\n<\/p>\n

\u5176\u4e2diqn.1997-05.com.test:raid\u662f\u76ee\u6807\u540d\n<\/p>\n

\u5982\u679c\u8981\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u767b\u5165\n<\/p>\n

# iscsiadm -m node \u2013T\u00a0\u00a0iqn.1997-05.com.test:raid -p 192.168.1.1:3260 –op update -n node.startup -v automatic\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u767b\u5165\u8282\u70b9\u540e\uff0c\u8fd0\u884c\n<\/p>\n

#fdisk \u2013l\n<\/p>\n

\u5e94\u8be5\u53ef\u4ee5\u770b\u5230\u76ee\u6807\u65b9\u7684\u5b58\u50a8\u8bbe\u5907\u4fe1\u606f\uff0c\u5982\n<\/p>\n

Disk \/dev\/sdb: 3489.8 GB, 3489862254592 bytes\n<\/p>\n

255 heads, 63 sectors\/track, 424284 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

Disk \/dev\/sdb doesn’t contain a valid partition table\n<\/p>\n

\/dev\/sdb\u5373\u4e3a\u8fde\u63a5\u7684iscsi\u5b58\u50a8\u8bbe\u5907\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

4 \u683c\u5f0f\u5316\u8bbe\u5907\n<\/p>\n

\u5982\u6b32\u5c06\u8bbe\u5907\u683c\u5f0f\u5316\u4e3aext3\u6587\u4ef6\u7cfb\u7edf\uff0c\u8fd0\u884c\n<\/p>\n

# mkfs.ext3 \/dev\/sdb\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

5\u6302\u63a5\u8bbe\u5907\n<\/p>\n

\u5728\/mnt\u4e0b\u521b\u5efaiscsi\u76ee\u5f55\n<\/p>\n

\u8fd0\u884cmount\u547d\u4ee4\uff1a\n<\/p>\n

# mount -t\u00a0 \/dev\/sdb \/mnt\/iscsi\n<\/p>\n

\u9488\u5bf9iscsi\u8bbe\u5907\u7684\u7279\u6b8amount\u9009\u9879\n<\/p>\n

\u8fd0\u884cdf \u2013h\u53ef\u4ee5\u770b\u5230\uff1a\n<\/p>\n

\/dev\/sdb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.4T186M\u00a0\u00a03.4T 1% \/mnt\/iscsi\n<\/p>\n

iscsi\u8bbe\u5907\u88ab\u6210\u529f\u6302\u63a5\uff0c\u53ef\u4ee5\u5f53\u4f5c\u5e38\u89c4\u5b58\u50a8\u8bbe\u5907\u4f7f\u7528\u4e86\u3002\n<\/p>\n

\u5982\u679c\u8981\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u6302\u63a5\n<\/p>\n

\u7f16\u8f91\/etc\/fstab\n<\/p>\n

\u52a0\u5165\u4e00\u884c\uff1a\n<\/p>\n

\/dev\/sdb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/mnt\/iscsi\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ext3\u00a0\u00a0\u00a0\u00a0\u00a0default\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a00\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

6 \u767b\u51fa\u8282\u70b9\n<\/p>\n

\u9996\u5148\u89e3\u9664\u6302\u63a5\n<\/p>\n

#umount \/mnt\/iscsi\n<\/p>\n

\u767b\u51fa\n<\/p>\n

# iscsiadm -m node \u2013T\u00a0iqn.1997-05.com.test:raid -p 192.168.1.1:3260 \u2013u\n<\/p>\n

\u00a0\u6ce8\u610f\uff1a\u5982\u679c\u7cfb\u7edf\u6302\u8f7d\u8fc7\u4e2aISCSI\u5b58\u50a8\u7684\u8bdd\uff0c\u628a\u4e0b\u9762\u7684\u811a\u672c\u52a0\u5165\u5230\/etc\/rc.local \u6587\u4ef6\u4e2d\uff0c\u591a\u4e2aISCSI\u5b58\u50a8\u7684\u8bdd \u5c31\u52a0\u5165\u591a\u4e2aIP\u5730\u5740\u3002\u5426\u5219\u7cfb\u7edf\u5173\u673a\u62a5\u9519\u3002\n<\/p>\n

\u5982\u4e0b\uff1a\n<\/p>\n

1\uff1a\u5efa\u7acb\u542f\u52a8\u6587\u4ef6
su – root -c “iscsiadm -m node -T\u00a0 * -p\u00a0192.168.1.1 \u2013l”\n<\/p>\n

sleep 10
su – root -c “mount \/dev\/sdb1 \/raid”\n<\/p>\n

2:\u5efa\u7acb\u505c\u6b62\u811a\u672c
su – root -c “umount \/raid”
sleep 10
su – root -c “iscsiadm -m node \u2013T * -p 192.168.1.1 -u”\n<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u00a0
\n\u00a0<\/p>\n

\u5173\u673a\u62a5\u9519\uff1a
md:stopping all md devices
synchronizing scsi cache for disk sdj:
iscsi:can not broadcast skb (-3)
connection 0:0:iscsi:detected connerror (1011)<\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0\u00a0 \u00a0 \u00a0 \u5b89\u88c5 \u9996\u5148\u8981\u5728\u5b58\u50a8\u8bbe\u5907\u4e0a\u505a\u597dRAID\uff0c\u8bbe\u7f6e\u597diSCSI \u76ee\u6807\u65b9\uff08target\uff09\u3002 \u8fd9\u91cc\u4e3b\u8981\u8bf4\u660ei […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/295"}],"collection":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=295"}],"version-history":[{"count":1,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/295\/revisions"}],"predecessor-version":[{"id":296,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/295\/revisions\/296"}],"wp:attachment":[{"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.heliang.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}