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- Install MCCS on both nodes
- Set group
- Add shared disk resource
- Enable shared disk resource and check offline on both nodes
- Add SCSI Lock resource (Select device path that created shared disk resource)
- Enable SCSI Lock resource and check key in resource attribute of MCCS web console.
- Configure dependency of resources (SCSI Lock resource must go online first)
- Test failover from node 2 to 1
- Test failover from node 1 to 2
- Set application that customer uses
Adding
Add the SCSI reservation application resource to a group.
Before configuring the SCSI reservation resource, you must configure the volume in advance by using the SCSI3 supporting storage.
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Attribute | Description | Data Type | Default | Edit | Note |
| DevicePath | Define the device path of disk to be used for reservation. When register device path, DUID of connected disk will automatically obtain. | STRING | X | ||
| DiskDUID | DUID(Device Unique ID, 16 byte as Hex value) of disk is used as identifier. Specify DUID of reserve disk. This value is secure when DriveLetter atribute us specified. Try not to insert this value yourself. DUID information can be checked through scsicmd.cmd command and both nodes need to have the same value. | STRING | X | ||
| Key | MAC address is used as Reserved-Key. This key is automatically set by agent. | STRING | X | ||
| PreemptWaitCount | Time waiting for permission of other node before reservation Waiting time is (PreemptWaitCount * MonitorInterval) seconds. | STRING | 2 times | O | |
| PrType | This attribute decides on how to give the permission of reserve disk access as Persist Type specified in SCSI3-PR spec. There are 6 types bur but MCCS uses 5 (Write Exclusive Registor Only). | STRING | Prytpe = 5 | O |
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