1,ocr,votedisk分2个磁盘组存放。
2,建议设置_asm_storagemaysplit 。
3,个人认为,通过pts决定一个节点的存储的(GMON terminating the instance due to storage split in grp)。
4,测试发现,在2个节点集群中,在发生存储链路故障的时候,先启动的节点asm存活。

prod01 asm log:

Tue Sep 17 14:37:57 2019WARNING: Read Failed. group:1 disk:1 AU:1 offset:0 size:4096WARNING: Read Failed. group:1 disk:1 AU:1 offset:4096 size:4096ERROR: no read quorum in group: required 2, found 0 disksWARNING: could not find any PST disk in grp 1ERROR: GMON terminating the instance due to storage split in grp 1GMON (ospid: 37538): terminating the instance due to error 1092
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