{"id":540,"date":"2014-04-30T02:45:35","date_gmt":"2014-04-30T02:45:35","guid":{"rendered":"http:\/\/www.selinuxplus.com\/?p=540"},"modified":"2014-04-30T02:45:35","modified_gmt":"2014-04-30T02:45:35","slug":"%e6%89%93%e5%bc%80ceph%e5%86%85%e6%a0%b8dout%e6%97%a5%e5%bf%97%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"http:\/\/www.selinuxplus.com\/?p=540","title":{"rendered":"\u6253\u5f00ceph\u5185\u6838dout\u65e5\u5fd7\u8f93\u51fa"},"content":{"rendered":"<p>\u9996\u5148\u5bf9ceph\u7684\u5185\u6838\u6a21\u5757\u6253\u5f00debug\u4fe1\u606f\u3002\u5728Kconfig\u6587\u4ef6\u4e2d\u6dfb\u52a0DDEBUG\u9009\u9879\u3002<\/p>\n<pre class=\"lang:default decode:true \" >\/root\/rpmbuild\/SOURCES\/linux-3.13.8\/drivers\/block\/Kconfig\r\nconfig BLK_DEV_RBD_DEBUG\r\n        bool \"Support BLK_DEV_RBD_DEBUG\"\r\n        help\r\n          this is debug for rbd block ,add by wangqingfeng\r\n        depends on BLK_DEV_RBD\r\n\/root\/rpmbuild\/SOURCES\/linux-3.13.8\/drivers\/block\/Makefile\r\n42 ifeq ($(CONFIH_BLK_RBD_DEBUG),y)\r\n  EXTRA_CFLAGS += -DDEBUG\r\n44 endif\t<\/pre>\n<p>\u6253\u5f00\u9009\u9879\uff1a<br \/>\n       [] Support BLK_DEV_RBD_DEBUG<\/p>\n<p>\u5176\u6b21\uff0c\u6253\u5f00\u5185\u6838printk \u65e5\u5fd7\u7b49\u7ea7\u4e3a8\u7684\u4fe1\u606f\uff0c\u5e76\u6253\u5f00ceph\u7684\u65e5\u5fd7\u4fe1\u606f\uff1b<\/p>\n<pre class=\"lang:default decode:true \" >[root@ceph01 ~]# echo \"8\" &gt;\/proc\/sys\/kernel\/printk\r\n[root@ceph01 ~]# cat \/proc\/sys\/kernel\/printk\r\n8       4       1       7\r\n[root@ceph01 ~]#mount -o rw.remount -t debugfs none \/sys\/kernel\/debug\/\r\n[root@ceph01 ~]#echo \"module libceph +p\" &gt;\/sys\/kernel\/debug\/dynamic_debug\/control<\/pre>\n<p>\u6700\u540e\u4fee\u6539\u65e5\u5fd7\u6587\u4ef6\uff1a\/etc\/rsyslog.conf<\/p>\n<pre class=\"lang:default decode:true \" > kern.*                                                 \/var\/log\/kernel   <\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u5bf9ceph\u7684\u5185\u6838\u6a21\u5757\u6253\u5f00debug\u4fe1\u606f\u3002\u5728Kc&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[84,45],"tags":[180,104],"_links":{"self":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/540"}],"collection":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=540"}],"version-history":[{"count":2,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/540\/revisions"}],"predecessor-version":[{"id":644,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/540\/revisions\/644"}],"wp:attachment":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=540"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}