红帽集群套件RHCS四部曲测试篇.docx
- 文档编号:2955182
- 上传时间:2022-11-16
- 格式:DOCX
- 页数:12
- 大小:21.08KB
红帽集群套件RHCS四部曲测试篇.docx
《红帽集群套件RHCS四部曲测试篇.docx》由会员分享,可在线阅读,更多相关《红帽集群套件RHCS四部曲测试篇.docx(12页珍藏版)》请在冰豆网上搜索。
红帽集群套件RHCS四部曲测试篇
红帽集群套件RHCS四部曲(测试篇)
集群配置完成后,如何知道集群已经配置成功了呢,下面我们就分情况测试RHCS提供的高可用集群和存储集群功能。
一、高可用集群测试
在前面的文章中,我们配置了四个节点的集群系统,每个节点的主机名分别是web1、web2、Mysql1、Mysql2,四个节点之间的关系是:
web1和web2组成web集群,运行webserver服务,其中web1是主节点,正常状态下服务运行在此节点,web2是备用节点;Mysql1和Mysql2组成Mysql集群,运行mysqlserver服务,其中,Mysql1是主节点,正常状态下服务运行在此节点,Mysql2为备用节点。
下面分四种情况介绍当节点发生宕机时,集群是如何进行切换和工作的。
1节点web2宕机时
宕机分为正常关机和异常宕机两种情况,下面分别说明。
(1)节点web2正常关机
在节点web2上执行正常关机命令:
[root@web2~]#init0
然后在web1节点查看/var/log/messages日志,输出信息如下:
Aug2400:
57:
09web1clurgmgrd[3321]:
Aug2400:
57:
17web1qdiskd[2778]:
Aug2400:
57:
29web1openais[2755]:
[TOTEM]ThetokenwaslostintheOPERATIONALstate.
Aug2400:
57:
29web1openais[2755]:
[TOTEM]Receivemulticastsocketrecvbuffersize(320000bytes).
Aug2400:
57:
29web1openais[2755]:
[TOTEM]Transmitmulticastsocketsendbuffersize(219136bytes).
Aug2400:
57:
29web1openais[2755]:
[TOTEM]enteringGATHERstatefrom2.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]enteringGATHERstatefrom0.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]CreatingcommittokenbecauseIamtherep.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]Savingstatearu73highseqreceived73
Aug2400:
57:
49web1openais[2755]:
[TOTEM]Storingnewsequenceidforringbc8
Aug2400:
57:
49web1openais[2755]:
[TOTEM]enteringCOMMITstate.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]enteringRECOVERYstate.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]position[0]member192.168.12.230:
Aug2400:
57:
49web1openais[2755]:
[TOTEM]previousringseq3012rep192.168.12.230
Aug2400:
57:
49web1openais[2755]:
[TOTEM]aru73highdelivered73receivedflag1
Aug2400:
57:
49web1openais[2755]:
[TOTEM]position[1]member192.168.12.231:
Aug2400:
57:
49web1openais[2755]:
[TOTEM]previousringseq3012rep192.168.12.230
Aug2400:
57:
49web1openais[2755]:
[TOTEM]aru73highdelivered73receivedflag1
Aug2400:
57:
49web1openais[2755]:
[TOTEM]position[2]member192.168.12.232:
Aug2400:
57:
49web1openais[2755]:
[TOTEM]previousringseq3012rep192.168.12.230
Aug2400:
57:
49web1openais[2755]:
[TOTEM]aru73highdelivered73receivedflag1
Aug2400:
57:
49web1openais[2755]:
[TOTEM]Didnotneedtooriginateanymessagesinrecovery.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]SendinginitialORFtoken
Aug2400:
57:
49web1openais[2755]:
[CLM]CLMCONFIGURATIONCHANGE
Aug2400:
57:
49web1openais[2755]:
[CLM]NewConfiguration:
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.230)
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.231)
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.232)
Aug2400:
57:
49web1openais[2755]:
[CLM]MembersLeft:
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.240)
Aug2400:
57:
49web1kernel:
dlm:
closingconnectiontonode1
Aug2400:
57:
49web1openais[2755]:
[CLM]MembersJoined:
Aug2400:
57:
49web1openais[2755]:
[CLM]CLMCONFIGURATIONCHANGE
Aug2400:
57:
49web1openais[2755]:
[CLM]NewConfiguration:
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.230)
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.231)
Aug2400:
57:
49web1openais[2755]:
[CLM]r(0)ip(192.168.12.232)
Aug2400:
57:
49web1openais[2755]:
[CLM]MembersLeft:
Aug2400:
57:
49web1openais[2755]:
[CLM]MembersJoined:
Aug2400:
57:
49web1openais[2755]:
[SYNC]Thisnodeiswithintheprimarycomponentandwillprovideservice.
Aug2400:
57:
49web1openais[2755]:
[TOTEM]enteringOPERATIONALstate.
Aug2400:
57:
49web1openais[2755]:
[CLM]gotnodejoinmessage192.168.12.230
Aug2400:
57:
49web1openais[2755]:
[CLM]gotnodejoinmessage192.168.12.231
Aug2400:
57:
49web1openais[2755]:
[CLM]gotnodejoinmessage192.168.12.232
Aug2400:
57:
49web1openais[2755]:
[CPG]gotjoinlistmessagefromnode3
Aug2400:
57:
49web1openais[2755]:
[CPG]gotjoinlistmessagefromnode4
Aug2400:
57:
49web1openais[2755]:
[CPG]gotjoinlistmessagefromnode2
从输出日志可以看出,当web2节点正常关机后,qdiskd进程立刻检测到web2节点已经关闭,然后dlm锁进程正常关闭了从web2的连接,由于是正常关闭节点web2,所以RHCS认为整个集群系统没有发生异常,仅仅把节点web2从集群中隔离而已。
请重点查看日志中斜体部分。
重新启动web2节点,然后在web1上继续观察日志信息:
Aug2401:
10:
50web1openais[2755]:
[TOTEM]enteringGATHERstatefrom11.
Aug2401:
10:
51web1openais[2755]:
[TOTEM]CreatingcommittokenbecauseIamtherep.
Aug2401:
10:
51web1openais[2755]:
[TOTEM]Savingstatearu2bhighseqreceived2b
Aug2401:
10:
51web1openais[2755]:
[TOTEM]Storingnewsequenceidforringbcc
Aug2401:
10:
51web1openais[2755]:
[TOTEM]enteringCOMMITstate.
Aug2401:
10:
51web1openais[2755]:
[TOTEM]enteringRECOVERYstate.
Aug2401:
10:
51web1openais[2755]:
[TOTEM]position[0]member192.168.12.230:
Aug2401:
10:
51web1openais[2755]:
[TOTEM]previousringseq3016rep192.168.12.230
Aug2401:
10:
51web1openais[2755]:
[TOTEM]aru
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 集群 套件 RHCS 四部 测试
![提示](https://static.bdocx.com/images/bang_tan.gif)