作者:王坤，微信公众号:rundba
某exadata环境执行asmcmd报错，Can not create path /u01/app/log/diag/asmcmd...,创建短目录后，递归目录自行创建，再次执行恢复正常。
1. asmcmd报错
[grid@dw01dbadm01 ~]$ asmcmdCan not create path /u01/app/log/diag/asmcmd Can not create path /u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/alert Can not create path /u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/trace Can't open '/u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/alert/alert.log' for appendCLSU-00100: operating system function: open failed failed with error data: 2CLSU-00101: operating system error message: No such file or directoryCLSU-00103: error location: SlfFopen1
Can't open '/u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/alert/alert.log' for appendCLSU-00100: operating system function: open failed failed with error data: 2CLSU-00101: operating system error message: No such file or directoryCLSU-00103: error location: SlfFopen1Can't open '/u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/alert/alert.log' for appendCLSU-00100: operating system function: open failed failed with error data: 2CLSU-00101: operating system error message: No such file or directoryCLSU-00103: error location: SlfFopen1
Can't open '/u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/alert/alert.log' for appendCLSU-00100: operating system function: open failed failed with error data: 2CLSU-00101: operating system error message: No such file or directoryCLSU-00103: error location: SlfFopen1
Can't open '/u01/app/log/diag/asmcmd/user_grid/dw01dbadm01.beijing.com/alert/alert.log' for appendCLSU-00100: operating system function: open failed failed with error data: 2CLSU-00101: operating system error message: No such file or directoryCLSU-00103: error location: SlfFopen12. 原因
根据提示文件及目录缺失。
3. 问题解决
手动创建log目录，子孙级目录及文件会逐层创建。
[root@dw01dbadm01 u01]# cd /u01/app[root@dw01dbadm01 app]# mkdir log[root@dw01dbadm01 app]# ls -lrttotal 20drwxr-xr-x 3 root oinstall 4096 May 28 07:20 12.2..1drwxr-xr-x 12 grid oinstall 4096 May 28 07:48 griddrwxrwx--- 6 grid oinstall 4096 May 28 08:36 oraInventorydrwxr-xr-x 8 oracle oinstall 4096 Jun 10 11:05 oracledrwxr-xr-x 2 root root 4096 Jun 10 14:20 log[root@dw01dbadm01 app]# chown grid:oinstall log4. 验证-OK
[grid@dw01dbadm01 ~]$ asmcmd
ASMCMD>5. 小结
目录缺失为非正常现象，人为操作可能性较大，可能是被误删，可通过历史命令或操作系统审计进一步确认故障原因。加强人员责任心，更改rm命令，并创建回收站，同时建设系统审计，避免类似问题再次出现。
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