Oracle 10g Upgrade cluster failed

One upgrades today the 10g cluster environment to 10.2.0.5. Download the patch P8202632_10205_linux-x86-64.zip, unzip the installation and run after. Midway Is. Error:

I/O ERROR cannt reading or opening file in/tmp/...../temp52

Online search for information such as the following:

based on MOS the instructions that cause this error may have such as the following reasons:

A) Insufficient free space in the temporarydirectory.
b) Insufficient access rights on the temporary directory.
c) on the 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-Unix system (unzipped directories), the new directories in the "stage area" on Unix is all in lowercase.

Check the voucher, finally find the ZIP package error. After downloading the file comments, the best checksum a little bit. Case

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Oracle 10g Upgrade cluster failed