http://h18004.www1.hp.com/products/servers/linux/supportmatrix/rhel/exceptions/rhel-exceptions.html
http://h30499.www3.hp.com/t5/ProLiant-Servers-ML-DL-SL/Installation-of-RHEL5-5-in-HP-DL380p-Gen8-Server/td-p/5825765
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Support & Certification Matrices

DL380e Gen8 
•RHEL 6.1       •RHEL 5.7

DL380p Gen8
•RHEL6.1    •RHEL5.7

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http://space.itpub.net/35489/viewspace-750457
RedHat/CentOS发行版本号及内核版本号对照表 :

....

CENTOS 5.5/RHEL 5 Update 5——————2.6.18-194
CENTOS 5.6/RHEL 5 Update 6——————2.6.18-238

CENTOS 5.7/RHEL 5 Update 7——————2.6.18-274
CENTOS 5.8/RHEL 5 Update 8——————2.6.18-308
CENTOS 6.0/RHEL 6 Update 0——————2.6.32-71
CENTOS 6.1/RHEL 6 Update 1——————2.6.32-131
CENTOS 6.2/RHEL 6 Update 2——————2.6.32-220

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Oracle ASMLib Downloads for Red Hat Enterprise Linux Server 5

http://www.oracle.com/technetwork/server-storage/linux/downloads/rhel5-084877.html

Oracle ASMLib 2.0

Intel IA32 (x86) Architecture

Drivers for kernel 2.6.18-308.20.1.el5
oracleasm-2.6.18-308.20.1.el5xen-2.0.5-1.el5.i686.rpm
oracleasm-2.6.18-308.20.1.el5debug-2.0.5-1.el5.i686.rpm
...

Drivers for kernel 2.6.18-274.18.1.el5
oracleasm-2.6.18-274.18.1.el5xen-2.0.5-1.el5.i686.rpm
oracleasm-2.6.18-274.18.1.el5debug-2.0.5-1.el5.i686.rpm
...

Drivers for kernel 2.6.18-238.19.1.el5
oracleasm-2.6.18-238.19.1.el5xen-2.0.5-1.el5.i686.rpm
oracleasm-2.6.18-238.19.1.el5debug-2.0.5-1.el5.i686.rpm
...