虚拟机模拟部署Extended Clusters(一)基础环境准备

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/dev/oracleasm/disks/DISK03 仲裁磁盘(QUORUM disk)

crs(DISK03,VOTEDB02,VOTEDB01)

Device "/dev/mapper/rootvg-lvol0" is marked an ASM disk with the label "VOTEDB02"

Device "/dev/sdc1" is marked an ASM disk with the label "NODE02DATA01"

当eth2 down ,prod01 能读写(DISK03,NODE01DATA01,VOTEDB01),prod02能读写(DISK03,NODE02DATA01,VOTEDB02)

eth0 ,eth1 用户rac的通信网络和联 跳网络。 eth2 用于磁盘网络iscsi。

prod01,prod02 通过iscsi,通过eth2网络把本地磁盘映射到对方。

prod02 本地拥有磁盘VOTEDB02,NODE02DATA01

prod02:

prod01:

Device "/dev/mapper/rootvg-lvol0" is marked an ASM disk with the label "VOTEDB01"

Device "/dev/sdb1" is marked an ASM disk with the label "NODE01DATA01"

DISK03 共享磁盘,2台prod01,prod02都可见,eth2网络中断不受影响。

prod01 本地拥有磁盘VOTEDB01,NODE01DATA01

ocr(NODE01DATA01,NODE02DATA01)