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en:procedure:materiel:cluster [04/01/2019 10:30] jdesouza [Validation of the correct functioning of the cluster (COROSYNC)] |
en:procedure:materiel:cluster [04/01/2019 10:40] (current) jdesouza [Connection schema] |
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| //The 2 servers are connected to each other by a link allowing to have the servers in 2 different and distant technical premises to ensure the physical integrity of the equipment and the non-propagation of a physical damage on one of the two rooms.// | //The 2 servers are connected to each other by a link allowing to have the servers in 2 different and distant technical premises to ensure the physical integrity of the equipment and the non-propagation of a physical damage on one of the two rooms.// | ||
| - | ===== CONNECTION SCHEMA ===== | + | ===== Connection schema ===== |
| - | {{ObjectReplacements/Object 1}} | + | {{:faq:materiel:schema_raccordement.png?1000|}} |
| ===== Functioning of the cluster ===== | ===== Functioning of the cluster ===== | ||
| Line 52: | Line 52: | ||
| ===== Checking the synchronization of cluster data ===== | ===== Checking the synchronization of cluster data ===== | ||
| - | In a terminal or by ssh access on one of the cluster nodes use the "drbd-overview" command | + | In a terminal or by ssh access on one of the cluster nodes use the ''drbd-overview'' command |
| {{cluster_Image_3.png}} | {{cluster_Image_3.png}} | ||
| Line 74: | Line 74: | ||
| {{cluster_Image_5.png}} | {{cluster_Image_5.png}} | ||
| - | ===== DESCRIPTION OF THE CONFIGURATION FILE===== | + | ===== Description of the configuration file ===== |
| - | + | ||
| - | The first block indicates the state of the cluster | + | |
| + | **The first block indicates the state of the cluster** | ||
| Line 94: | Line 93: | ||
| 11 Resources configured. | 11 Resources configured. | ||
| - | The second block tells you which is the primary node, and where are the services: | + | **The second block tells you which is the primary node, and where are the services:** |
| - | + | ||
| Online: [ dzacupsvr dzacupsvr2 ] | Online: [ dzacupsvr dzacupsvr2 ] | ||
| Line 126: | Line 123: | ||
| clusterroute (ocf::heartbeat:Route): Started dzacupsvr | clusterroute (ocf::heartbeat:Route): Started dzacupsvr | ||
| - | => the 2 servers are "online", and each service is operational on the primary. | + | ''=> the 2 servers are "online", and each service is operational on the primary.'' |
| - | ===== VERIFYING THE CORRECT FUNCTIONING OF THE CLUSTER ===== | + | ===== Verifying the correct functioning of the cluster ===== |
| See the cluster configuration, use the following command: | See the cluster configuration, use the following command: | ||
| - | # crm configure show | + | ''# crm configure show'' |
| - | Example of a configuration file of the Abidjan cluster: | + | __Example of a configuration file of the Abidjan cluster:__ |
| {{cluster_Image_6.png}} | {{cluster_Image_6.png}} | ||
| - | COmmands FOR VERIFYING THE CORRECT FUNCTIONING OF THE CLUSTER | + | ===== Commands for verifying the correct functioning of the cluster ===== |
| - | for example « abjairsvr2 » | + | **for example « abjairsvr2 »** |
| |DESIRED Action |SYSTEM Command| | |DESIRED Action |SYSTEM Command| | ||
| Line 157: | Line 154: | ||
| |Check that the configuration files are identical between the nodes of a server| crm cluster diff /etc/samba/smb.conf| | |Check that the configuration files are identical between the nodes of a server| crm cluster diff /etc/samba/smb.conf| | ||
| - | =====VERIFICATION OF CLUSTER MANAGEMENT TOOLS ===== | + | ===== Verification of cluster management tools ===== |
| |DESIRED Action |SYSTEM Commands| | |DESIRED Action |SYSTEM Commands| | ||