项目经理发来截图，监听无法启动了，截图如下
orcl:/home/oracle@hydb> lsnrctl start
LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 18-JUL-2023 11:29:54
Copyright (c) 1991, 2013, Oracle. All rights reserved.
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Log messages written to /u01/app/oracle/diag/tnslsnr/hydb/listener/alert/log.xml
Error listening on: (ADDRESS=(PROTOCOL=ipc)(PARTIAL=yes)(QUEUESIZE=1))
No longer listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=hydb)(PORT=1521)))
TNS-12546: TNS:permission denied
TNS-12560: TNS:protocol adapter error
TNS-00516: Permission denied
Linux Error: 30: Read-only file system
Listener failed to start. See the error message(s) above...
orcl:/home/oracle@hydb>
处理办法：
Linux Error: 30: Read-only file system说明文件系统故障了，读写测试发现确实文件系统异常了
文章来源：https://www.toymoban.com/news/detail-598526.html
重启操作系统后恢复正常，因是测试环境已反馈给客户文章来源地址https://www.toymoban.com/news/detail-598526.html
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