colocation hosting

法 Define the master and slave resources for DRBD CRM (Live) configure# Ms MS_MYSQLDRBD MYSQLDRBD Meta master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify= TrueCRM (Live) configure# verify Defining file system resources and constraint relationships CRM (Live) configure# primitive mystore ocf:heartbeat:Filesystem params device= "/dev/drbd0" directory= "/mysql" fstype= " XFS "OP monitor interval=40 timeout=40 op start timeout=60 op stop timeout=60CRM (Live

resources, nfs resources, and mysql resources) and sequential constraints mysql: crm (live) configure # primitive mysqlvip ocf: heartbeat: IPaddr params ip = '10. 1.1.200 'nic = 'eth1' cidr_netmask = '24' broadcast = '10. 1.1.0 'Op monitor interval = 30 s (startup delay time) timeout = 20 s (Monitoring timeout time) crm (live) configure # primitive mysqlnfs ocf: heartbeat: filesystem params device = '10. 1.1.100:/mysqldata 'Directory = '/mydata' fstype = 'nfs' op monitor interval = 20 s timeout

array disk.By default, we use a group to group resources, and start the resource in the order from the top down, and if the intermediate resource stops unexpectedly, the cluster shuts down the following resources and starts from the middle, because a resource cannot exist in multiple resource groups, which of course does not meet the requirements.WORKAROUND: When the Configure is configured, group the VIP and array into a resource group, using the Order command to define the boot order, namely:

= 32 \ op monitor interval = 30 spcs # pcs resource create ClusterIP IPaddr2 ip = 192.168.0.120 restart = 32 enable resource crmsh # crm resource start ClusterIPpcs # pcs resource start clusterIP close resource crmsh # crm resource stop ClusterIPpcs # pcs resource stop ClusterIP delete resource crmsh # crm configure delete ClusterIPpcs # update resource crmsh # crm configure edit ClusterIPpcs # pcs resource update ClusterIP clusterip_hash = sourceip display resource crmsh # pcs resource show We

The questions are as follows: Invalidargumenterror (above for traceback): Cannot assign a device to node ' train/final/fc3/b/momentum ': Could not sat ISFY explicit device specification '/device:gpu:0 ' because no devices matching that specification are registered in this P rocess; Available devices:/job:localhost/replica:0/task:0/cpu:0 colocation Debug Info: colocation Group had the Following types and dev

both resourcesMysql: CRM (Live) configure#primitive mysqlvip ocf:heartbeat:IPaddr params ip= ' 10.1.1.200 ' nic= ' eth1 ' cidr_netmask= ' 24 ' Broadcast= ' 10.1.1.0 ' OP monitor interval=30s (startup delay time) timeout=20s (monitoring timeout)CRM (Live) configure#primitive mysqlnfs ocf:heartbeat:Filesystem params device= ' 10.1.1.100:/mysqldata ' directory= '/ MyData ' Fstype= ' NFS ' OP monitor interval=20s timeout=40sCRM (Live) Configure#verifyCRM (Live) Configure#primitive mysqlserver

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-partition with Quorumversion:1.1.10-14.el6-368c7262 Nodes configured, 2 expected votes1 Resources configuredOnline: [Node1 Node2]Webstore (Ocf::heartbeat:filesystem): Started node1from the above,Webstore is currently running on Node1 .4. Add httpd Service resource and set httpd service must be togetherwith Webstore, Webstore must be started first,httpd Service to startCRM (Live) configure# primitive httpd lsb:httpdCRM (Live) configure# colocation ht

= nfs op start timeout = 60 s op stop timeout = 60 s op monitor interval = 20 s timeout = 60s] 6. Configure Constraints1. Configure arrangement ConstraintsCrm configure colocation myip_with_mystore_myservice inf: myip mystore myservice [Pcs constraint colocation add myip mystore myservice INFINITY]# It indicates that the resources of myip, mystore, and myservice must be together, or a group of resources mu

name--sql Server resource Name, Timeout Value--cluster waits for a resource to time out, and if it is SQL Server, it is the time that the master database starts up. Floating IP Resource name--The name of the virtual IP resource, IP address--is used to connect the IP address of the SQL cluster instance. File System Resource name--the name of the filesystem resource, Device--nfs shared Path, directory--Local Mount Path, fstype--file share types, such as NFS. The script is as follows: sudo pcs clu

dual line is still obvious. Recommended sequence: users with large traffic and users with high requirements for North-South communication should select dual-line Single IP address; traffic is not large, For users with high speed requirements, you can select a large space for dual-line dual-IP sharing. Users with high traffic and low requirements for North-South communication are advised to use single-line telecommunications or China Netcom The difference between dual-line and single-lineFirst

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