Real benefits of RHEL over Fedora?

[JD]

On 06/05/11 18:46, Itamar Reis Peixoto wrote:
> On Sun, Jun 5, 2011 at 9:42 PM, Alex<mysqlstudent at gmail.com>  wrote:
>> Hi,
>>
>> I'm in the process of building a mail server and considering CentOS,
>> fedora, or RHEL. If I chose the RHEL option, I would probably choose
>> the minimal support level.
>>
>> This server will be performing basic mail functions, including
>> postfix, dovecot, spamassassin, and webmail/squirrelmail. It will be a
>> moderately active server, delivering as many as 80k emails per day.
>>
>> For something like this, will there be a great performance benefit to
>> using RHEL over fedora? Is the kernel that much different that it
>> would make a significant difference? Both would use ext4 for the
>> filesystem. Both would use the same spamassassin and postfix
>> versions...
>>
>> Are the benefits to using the KVM/qemu virtual machine features on
>> RHEL 6.x that much better than what's available in fedora15?
>>
>> I recall reading that CentOS is having trouble keeping up with the
>> latest RHEL. Is this currently a problem? Any input on whether future
>> updates will be delayed as well?
>>
>> Thanks for any ideas.
>>
>> Alex
>
> I recommend you fedora or centos 6.0 (not yet released)
>
Also, Scientific Linux 6.0 is RHEL 6.0 with emphasis on scientific SW.
https://www.scientificlinux.org/
Mirrors:

HTTP: http://mirrors.200p-sf.sonic.net/scientific/
FTP: ftp://mirrors.200p-sf.sonic.net/scientific/

HTTP: http://www.gtlib.gatech.edu/pub/scientific
FTP: ftp://ftp.gtlib.gatech.edu/pub/scientific
RSYNC: rsync://rsync.gtlib.gatech.edu/scientific

HTTP: http://mirror.mcs.anl.gov/pub/scientific-linux/
FTP: ftp://mirror.mcs.anl.gov/pub/scientific-linux/
RSYNC: rsync://mirror.mcs.anl.gov/scientific-linux/

FTP: ftp://linux1.fnal.gov/linux/scientific/
FTP: ftp://linux.fnal.gov/linux/scientific/

FTP: ftp://mirror.phy.olemiss.edu/scientific
HTTP: http://mirror.phy.olemiss.edu/mirror/scientific

FTP: ftp://mirror.cs.wisc.edu/pub/mirrors/linux/scientificlinux.org
HTTP: http://mirror.cs.wisc.edu/pub/mirrors/linux/scientificlinux.org
RSYNC: rsync://mirror.cs.wisc.edu/scientificlinux