/tmp/orbit-oracle/目录inode耗尽

不过作者最后发现的问题是inode耗尽。
在Linux上，我们可以用df -i来查看inode的分配情况：

[ [email?protected] elog]$ df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/hda3 131616 25376 106240 20% /
/dev/hda1 66264 35 66229 1% /boot
/dev/hda5 1048576 37166 1011410 4% /data1
/dev/hda9 294336 6020 288316 3% /home
/dev/hda6 1048576 20467 1028109 2% /opt
none 64193 1 64192 1% /dev/shm
/dev/hda8 524288 87362 436926 17% /usr
/dev/hda7 524288 1598 522690 1% /var

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如果inode耗尽，则系统上将不能创建文件。监听器就可能无法启动。
作者当时耗尽的/var下的inode，那么Oracle监听器是否需要使用var下的空间呢？
我们看一下测试：

[ [email?protected] tmp]$ strace -o lsnrctl.log lsnrctl start

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LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 09-JUL-2007 15:45:09

Copyright (c) 1991,2002,Oracle Corporation. All rights reserved.

Starting /opt/oracle/product/9.2.0/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 9.2.0.4.0 - Production
System parameter file is /opt/oracle/product/9.2.0/network/admin/listener.ora
Log messages written to /opt/oracle/product/9.2.0/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.33.11)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC)))
umovestr: Input/output error
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 9.2.0.4.0 - Production
Start Date 09-JUL-2007 15:45:09
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security OFF
SNMP OFF
Listener Parameter File /opt/oracle/product/9.2.0/network/admin/listener.ora
Listener Log File /opt/oracle/product/9.2.0/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.33.11)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc",status UNKNOWN,has 1 handler(s) for this service...
Service "eygle" has 1 instance(s).
Instance "eygle",has 1 handler(s) for this service...
Service "julia" has 1 instance(s).
Instance "eygle",has 1 handler(s) for this service...
The command completed successfully

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检查一下跟踪文件：

[ [email?protected] tmp]$ grep var lsnrctl.log?
execve("/opt/oracle/product/9.2.0/bin/lsnrctl",["lsnrctl","start"],[/* 33 vars */]) = 0
connect(4,{sa_family=AF_UNIX,path="/var/run/.nscd_socket"},110) = -1 ENOENT (No such file or directory)
access("/var/tmp/.oracle",F_OK) = 0
access("/var/tmp/.oracle/sEXTPROC",F_OK) = 0
connect(4,path="/var/tmp/.oracle/sEXTPROC"},110) = 0

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