yum update Transaction Check Error

update系統時，發現其中一臺server居然提示：

Transaction Check Error:
file /usr/lib/perl5/5.8.8/CGI.pm from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/lib/perl5/5.8.8/Digest.pm from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/c2ph.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/cpan.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/dprofpp.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/perlvms.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/perlvos.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386

中間省略100行，都是關于perl的

file /usr/share/man/man1/perlwin32.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/perlxs.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/perlxstut.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/piconv.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/splain.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man1/xsubpp.1.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386
file /usr/share/man/man3/CGI.3pm.gz from install of perl-5.8.8-32.el5_7.6.x86_64 conflicts with file from package perl-5.8.8-32.el5_6.3.i386

Error Summary
-------------

經過仔細觀察是perl的問題，其他軟件單獨update都沒有問題。

看看錯誤內的大部分信息，就大概可以猜出問題的癥結。64位系統內的i386和x64軟件的沖突，那么卸載掉i386的沖突相關軟件，一般可以解決問題。

兩種情況，要不把perl的升級忽略掉，要不卸載了perl的i386，如果是其他軟件的沖突，一樣對待。

yum update --exclude=perl

找出要沖突的軟件

rpm -q perl --qf '%{NAME} %{VERSION} %{ARCH}'

得到輸出：

perl 5.8.8 x86_64
perl 5.8.8 i386

然后卸載掉沖突的i386包：

rpm -e perl.i386

再次升級.

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