008 - How Node Membership Happens in RAC? - What is Voting Disk & Split Brain Syndrome in Oracle RAC
Автор: Vismo Technologies
Загружено: 2020-06-23
Просмотров: 12089
Hello Friends,
Welcome you back on exciting topic, today’s session is on
Node Membership || Voting Disk || Split Brain Syndrome in Oracle RAC - Real Application Cluster
Node membership
Voting Disk
Split Brain Syndrome
1) Network Hearthbeat - css_misscount
2) Disk Heartbeat - diskTimeout
Main process CSSD (ora.cssd) and CSSDMONITOR
Voting Disks contain dynamic and static data:
Dynamic data: disk heartbeat logging
Static data: information about the nodes in the cluster
Voting Disk basics – Simple Majority rule
OCR registry and ocr administration and backups
#nodemembership #votingdisk #votedisk #splitbrainsyndrome #networkheartbeat #diskheartbeat #interconnect #RAC #Exadata #Oracle #Database
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