[CentOS] Migrating from RHEL to Centos
johnny at centos.org
Mon Jun 23 12:28:48 UTC 2008
John R Pierce wrote:
> Hemraj S wrote:
>> I m currently running my production servers on RHEL 4.6 & would like
>> to migrate to Centos4.6 as it has more benefits & advantages. I looked
>> at the Centos release notes available at
>> http://mirror.centos.org/centos/4.6/os/i386/RELEASE-NOTES-en.html and
>> understood that the basic difference between RHEL & Centos
>> are look/feel related & binaries,functionalities are almost same. But
>> when i compared the sysctl values of RHEL4.6 with Centos4.6, i found
>> that there are lot of differences in the parameter values. Now my
>> question is:
>> 1) Just like sysctl difference, is there any other difference between
>> RHEL & Centos which could vary the performance & needs to be taken
>> care during migration.
>> 2) When the Centos packages are built, are they built with the same
>> configuration as in RHEL or is there any difference.
> the defaults for sysctl should be identical if both systems are running
> the same kernel revision on similar hardware. do a `uname -a` on
> both. did your rhel4.6 system have anything in /etc/sysctl.conf ?
> CentOS is built directly from the SRPM's for the AS configuration of
> RHEL, using the exact same options. the precise versions of the
> compilers and tools used may vary in some cases as upstream doesn't
> fully document their build process (RHEL version X is apparently not
> built on a stock RHEL version X development platform, using the supplied
As posted above, the default values should be the same IF the same
package sets are installed.
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 251 bytes
Desc: OpenPGP digital signature
Url : http://lists.centos.org/pipermail/centos/attachments/20080623/05a55227/signature.bin
More information about the CentOS