项目经理反馈集群环境中有个节点无法使用了需要支援下，同时发过来截图说明磁盘还是有空的。
登录系统后直接发现问题
orcl2:/home/oracle@db2> sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Wed May 29 13:59:21 2024
Copyright (c) 1982, 2013, Oracle. All rights reserved.
ERROR:
0RA-09925:Unable to create audit trail file
Linux-x86 64 Error: 28:No space left on device
Additional information: 9925
ORA-01075:you are currently logged on
该类问题还是较为容易看到问题点，肯定是*.aud文件太多导致的问题
[root@db2 ~]# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sda5 41164800 102451 41062349 1% /
tmpfs 33050646 1635 33049011 1% /dev/shm
/dev/sda1 51200 39 51161 1% /boot
/dev/sda2 9601024 9601024 0 100% /u01
处理办法：
# find /u01/app/grid/product/11.2.0/grid_1/rdbms/audit/ -name "*.aud" -mmin +0 | xargs rm -rf "*.aud"
# find /u01/app/oracle/admin/orcl/adump/ -name "*.aud" -mmin +0 | xargs rm -rf "*.aud"
