在Oracle19c产品中,高于19.13的GI HOME,集群重启不会自动启动。 如果linux中kdump不是开启状态 及 kernel.panic 设置是0时。
一些错误输出:
''' [ 387.154537] sysrq: SysRq : Trigger a crash .. [ 387.192346] CPU: 3 PID: 3318 Comm: cssdagent Tainted: G OE ---------r- - 4.18.0-305.19.1.el8_4.x86_64 #1 .. [ 387.660785] sysrq: SysRq : Trigger a crash .. [ 387.745572] CPU: 2 PID: 3325 Comm: cssdmonitor Tainted: G D OE ---------r- - 4.18.0-305.19.1.el8_4.x86_64 #1
此次问题,主要针对版本 Linux(x86-64)
网格基础设施可能会执行节点重新启动以实现集群完整性,并提供在Linux上生成内核崩溃转储的选项。此崩溃转储对于操作系统级诊断非常有用。应正确配置和启用Linux kdump以收集崩溃转储。见MOS注释2049919.1
如果未启用kdump,则需要“kernel.panic"参数不能设置为大于0的数字。否则,节点将保持关闭状态,并且不会自动重新启动。
# systemctl is-active kdump inactive # sysctl -w kernel.panic=1
该问题已通过以下修复程序解决:
3563477 Non-Engineered Systems: CSS Node Eviction in 19.13 Can Cause the Node to Not Be Able to Boot
The fix has been included in the 19.14 Grid Infrastructure Release Update (GI RU).
There is a one-off Patch on top of 19.13 GI RU available at
翻译自mos:
Alert: Post Applying 19.13 GI RU or Higher, Cluster Nodes will not Start Automatically After a Node Eviction (Doc ID 2821641.1)
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