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- 【TiDB 版本】:3.0.9
- 【问题描述】:使用Ansible安装时报以下错误:
[TiKV7-1]: Ansible FAILED! => playbook: bootstrap.yml; TASK: machine_benchmark : Preflight check - Does fio mixed randread and sequential write latency of tikv_data_dir disk meet requirement - sequential write; message: {“changed”: false, “msg”: “fio mixed randread and sequential write test: sequential write latency of tikv_data_dir disk is too low: 41554 ns > 30000 ns, it is strongly recommended to use SSD disks for TiKV and PD, or there might be performance issues.”}
[TiKV8-1]: Ansible FAILED! => playbook: bootstrap.yml; TASK: machine_benchmark : Preflight check - Does fio mixed randread and sequential write latency of tikv_data_dir disk meet requirement - sequential write; message: {“changed”: false, “msg”: “fio mixed randread and sequential write test: sequential write latency of tikv_data_dir disk is too low: 34291 ns > 30000 ns, it is strongly recommended to use SSD disks for TiKV and PD, or there might be performance issues.”}