一个今天升级10g集群环境到10.2.0.5。下载补丁p8202632_10205_Linux-x86-64.zip,解压安装并运行后。中途岛错误：
I/O ERROR cannt reading or opening file in /tmp/...../temp52
网上查资料例如以下：
依据MOS的说明，导致这个错误可能有例如以下原因：
a) Insufficient free space in the temporarydirectory.
b) Insufficient access rights on the temporary directory.
c) On Oracle 9.2.0.5 to 9.2.0.8, a bug like bug: 5614628.
d) Not using a (local) console.
e) Corrupted software set.
f) Setup of the Oracle software in the stage area on disk.
g) Wrong Unzip utility is used.
h) No execute permission on Unzip utility
i)Free space => 2Tb
j)During ftp from a Windows mounted DVD to an Unix system (unzipped directories),the new directories in the stage area on Unix are all in lowercase.
逐一验凭证，终于找到zip包错误。下载文件后的意见后，，最佳checksum一点点。以防万一
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原文：http://www.cnblogs.com/gcczhongduan/p/4841218.html