CentOS - Jun 2017 - CentOS 7 install: closest mirror not supported?

Hi,

Do CentOS 7 installs not automatically use a closest mirror for
installing like Fedora does, or is that due to the way I'm starting
the install (virt-install)?

Background:

I'm trying to find the best way to do installs using basic local media
(network install, but *without* the need to download the squashfs.img
for every install) but without a full local mirror.  On Fedora (25),
it works fine using a local boot.iso (virt-install -l), but with
CentOS 7 you then have to manually enter a repository URL.

I also tried a local kernel/pxeboot tree with LiveOS/squashfs.img
(the latter similar to Fedora's install.img?) with no result.

Cheers,

--
--    Jos Vos <jos at xos.nl>
--    X/OS Experts in Open Systems BV   |   Office: +31 20 6938364
--    Amsterdam, The Netherlands        |   Mobile: +31 6 26216181

On 06/04/2017 10:29 AM, Jos Vos wrote:
> Hi,
> 
> Do CentOS 7 installs not automatically use a closest mirror for
> installing like Fedora does, or is that due to the way I'm starting
> the install (virt-install)?
> 
> Background:
> 
> I'm trying to find the best way to do installs using basic local media
> (network install, but *without* the need to download the squashfs.img
> for every install) but without a full local mirror.  On Fedora (25),
> it works fine using a local boot.iso (virt-install -l), but with
> CentOS 7 you then have to manually enter a repository URL.
> 
> I also tried a local kernel/pxeboot tree with LiveOS/squashfs.img
> (the latter similar to Fedora's install.img?) with no result.
> 
Yes but .. closest mirror only gets as detailed as per country.

If you want to add a local mirror to that, then a yum config file change
to add a baseurl to the repo file would be required.  Then fastestmirror
would pick the fastest from mirrorlist (10-15 listed machines per
country) and the added local mirror, which would always be fastest
unless it was offline, etc.


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On 06/05/2017 09:28 AM, Johnny Hughes wrote:
> On 06/04/2017 10:29 AM, Jos Vos wrote:
>> Hi,
>>
>> Do CentOS 7 installs not automatically use a closest mirror for
>> installing like Fedora does, or is that due to the way I'm starting
>> the install (virt-install)?
>>
>> Background:
>>
>> I'm trying to find the best way to do installs using basic local
media
>> (network install, but *without* the need to download the squashfs.img
>> for every install) but without a full local mirror.  On Fedora (25),
>> it works fine using a local boot.iso (virt-install -l), but with
>> CentOS 7 you then have to manually enter a repository URL.
>>
>> I also tried a local kernel/pxeboot tree with LiveOS/squashfs.img
>> (the latter similar to Fedora's install.img?) with no result.
>>
> 
> Yes but .. closest mirror only gets as detailed as per country.
> 
> If you want to add a local mirror to that, then a yum config file change
> to add a baseurl to the repo file would be required.  Then fastestmirror
> would pick the fastest from mirrorlist (10-15 listed machines per
> country) and the added local mirror, which would always be fastest
> unless it was offline, etc.
Actually, I don't KNOW if anaconda will use mirrorlist as a URL in CentOS-7


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Hi,

On Mon, Jun 05, 2017 at 09:28:03AM -0500, Johnny Hughes wrote:
> Yes but .. closest mirror only gets as detailed as per country.
Maybe my question was not clear: the problem is that the install (when
doing a virt-install with boot.iso) does not choose a mirror at all.
It just requires that you *explicitly* specify an install URL and it
shows an error for "Installation Source" till you have done so.

It works ok if you add (via virt-install's --extra-args) inst.repo
and/or use a kickstart file (inst.ks) with an "url" directive. 

-- 
--    Jos Vos <jos at xos.nl>
--    X/OS Experts in Open Systems BV   |   Office: +31 20 6938364
--    Amsterdam, The Netherlands        |   Mobile: +31 6 26216181