Method and device for enhancing reliability and availability of dual-computer clusters
A usability and clustering technology, applied in digital transmission systems, electrical components, error prevention, etc., can solve problems such as node failure, achieve the effect of enhancing stability and availability, and avoiding power failure of the rack
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[0042] The present invention will be described in detail below with reference to specific embodiments.
[0043] In this embodiment, the method of the present invention is described in detail by taking a dual-machine cluster of shared disks composed of 24 disks as an example.
[0044] One: Take one of the dual machines as the master node, create a RAID storage pool on it for 24 disks, that is, shared disks, and create a raw device volume and a file system data set on the pool. (Not limited to these two methods) external mapping, the file system data set provides external access through CIFS or NFS protocol (not limited to these two methods); when creating a RAID storage pool, a part is reserved on the disk selected for heartbeat communication The area is used as the heartbeat disk to store heartbeat information, and in the present embodiment, the position of 4MB that will start from the starting position of the disk is used as the starting position to draw out 1G space as the s...
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