【 TiDB 使用环境】生产环境 /测试/ Poc
【 TiDB 版本】
【复现路径】做过哪些操作出现的问题
【遇到的问题：问题现象及影响】
执行集群机器检查，出现如下异常并且通过修复无法修复
epoll-exclusive Fail epoll exclusive is not supported
根据以往的帖子说这个不影响，可以忽略，说是操作系统内核问题
查看了操作系统版本如下
Linux 3.10.0-327.el7.x86_64
启动集群时出现如下异常：
Error: failed to start: 10.142.100.84 blackbox_exporter-9115.service, please check the instance’s log() for more detail.: timed out waiting for port 9115 to be started after 2m0s
查看tiup这台机器的debug日志如下，没有太多信息
2022-11-30T17:31:02.584+0800 DEBUG retry error {“error”: “operation timed out after 2m0s”}
2022-11-30T17:31:02.584+0800 DEBUG TaskFinish {“task”: “StartCluster”, “error”: “failed to start: 10.142.100.84 blackbox_exporter-9115.service, please check the instance’s log() for more detail.: timed out waiting for port 9115 to be started after 2m0s”, “errorVerbose”: “timed out waiting for port 9115 to be started after 2m0s\ngithub.com/pingcap/tiup/pkg/cluster/module.(*WaitFor).Execute\n\tgithub.com/pingcap/tiup/pkg/cluster/module/wait_for.go:91\ngithub.com/pingcap/tiup/pkg/cluster/spec.PortStarted\n\tgithub.com/pingcap/tiup/pkg/cluster/spec/instance.go:119\ngithub.com/pingcap/tiup/pkg/cluster/operation.systemctlMonitor.func1\n\tgithub.com/pingcap/tiup/pkg/cluster/operation/action.go:336\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\tgolang.org/x/sync@v0.0.0-20220819030929-7fc1605a5dde/errgroup/errgroup.go:75\nruntime.goexit\n\truntime/asm_amd64.s:1594\nfailed to start: 10.142.100.84 blackbox_exporter-9115.service, please check the instance’s log() for more detail.”}
2022-11-30T17:31:02.584+0800 INFO Execute command finished {“code”: 1, “error”: “failed to start: 10.142.100.84 blackbox_exporter-9115.service, please check the instance’s log() for more detail.: timed out waiting for port 9115 to be started after 2m0s”, “errorVerbose”: “timed out waiting for port 9115 to be started after 2m0s\ngithub.com/pingcap/tiup/pkg/cluster/module.(*WaitFor).Execute\n\tgithub.com/pingcap/tiup/pkg/cluster/module/wait_for.go:91\ngithub.com/pingcap/tiup/pkg/cluster/spec.PortStarted\n\tgithub.com/pingcap/tiup/pkg/cluster/spec/instance.go:119\ngithub.com/pingcap/tiup/pkg/cluster/operation.systemctlMonitor.func1\n\tgithub.com/pingcap/tiup/pkg/cluster/operation/action.go:336\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\tgolang.org/x/sync@v0.0.0-20220819030929-7fc1605a5dde/errgroup/errgroup.go:75\nruntime.goexit\n\truntime/asm_amd64.s:1594\nfailed to start: 10.142.100.84 blackbox_exporter-9115.service, please check the instance’s log() for more detail.”}
通过sudo journalctl -u blackbox_exporter-9115命令看到如下异常
Failed at step CAPABILITIES spawning /bin/bash: Invalid argument
【资源配置】
【附件：截图/日志/监控】
