Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Michael Hennebry]

On Thu, 18 Mar 2021, Lamar Owen wrote:


On 3/18/21 10:23 AM, Stephen John Smoogen wrote:

[what can be done] I am guessing
someone could make an unofficial set of spins which cut out some packages 
to try and make it fit in single density.


This is probably the solution at this point for the 'Full' DVD. In the 
interim, older machines such as this should just use the 'Minimal' DVD, since 
it fits on single-layer nicely.  (I hear or read single-density and think FM 
encoding, 128 bytes per sector, 77-track IBM 3740 format 8 inch 
floppies..which are still in use in certain places...)  Same for 8.x or 8 
Stream -- oh, wait, there is no 'Minimal' ISO, so net install or USB is it, 
can't use optical media at all.


I see at least two other possibilities,
supergrub and making the .iso file into a partition.
I've tried to boot fedora .iso partitions,
both with and without success.
That said, OP is using the netinstall version.
I'd expect that to be more reiable than either of my suggestions.
I'd have tried that before asking the list.

--
Michael   henne...@web.cs.ndsu.nodak.edu
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Japheth Cleaver]

On 3/18/2021 6:36 AM, Lamar Owen wrote:

On 3/18/21 1:24 AM, John R. Dennison wrote:

It's not realistic to expect server-class machines not to be able to
boot from dual-layer or USB media in 2021.
There are environments where USB or other writeable media are not 
allowed on premises.


While all DVD-ROM drives are supposed to read DL media, in practice 
the compatibility has not proven to be 100%.
___ 


You can safely assume that a DVD+/-R written to by an admin and read in 
by a DVD-ROM is a one-way vector at that data transmission level, with 
nothing beyond the bits happening.


If your USB ports are sealed with epoxy, USB is indeed not an option... 
and that's a feature, not a bug.


-jc

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Stephen John Smoogen]

On Thu, 18 Mar 2021 at 10:56, Lamar Owen  wrote:

> On 3/18/21 10:23 AM, Stephen John Smoogen wrote:
> > [what can be done] I am guessing
> > someone could make an unofficial set of spins which cut out some
> packages to try and make it fit in single density.
> >
> This is probably the solution at this point for the 'Full' DVD. In the
> interim, older machines such as this should just use the 'Minimal' DVD,
> since it fits on single-layer nicely.  (I hear or read single-density
> and think FM encoding, 128 bytes per sector, 77-track IBM 3740 format 8
> inch floppies..which are still in use in certain places...)  Same
> for 8.x or 8 Stream -- oh, wait, there is no 'Minimal' ISO, so net
> install or USB is it, can't use optical media at all.
>
>
https://mirrors.edge.kernel.org/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-2009.iso

There is a 7.9 minimal. There was no 8 minimal because composing is harder
and the 'minimum' set of packages did not shave off a lot of disk space.


> You're right; we're rabbit-holing.  Being at a non-profit, I have to
> rabbit hole a lot, since I tend to use much older hardware than 'normal.'
>

Understood. This is where the modern OS assumptions of  'you should be in
the cloud' and/or the 'your hardware must be only this old to be used'
cause a hard fork with parts of the community.


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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Johnny Hughes]

On 3/14/21 8:13 PM, Robert G. (Doc) Savage via CentOS wrote:
> I need help from someone experienced with the CentOS bug tracking
> system. I gotta say it is one of the most complicated and imposing
> front ends I've ever seen. Could anyone familiar with it please file a
> bug on my behalf? Particulars:
> 
> "CentOS 7.9.2009 DVD iso image too large"
> 
> ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
> Wed Nov  4 05:37:25 2020
> Burners: Both K3B and Brasero
> Media: Both DVD-R and DVD+R single-layer disks
> 
> iso image: 4,712,300,544 bytes
> User Anthony F McInerney advises Wikipedia says
> DVD-R capacity: 4,707,319,808 bytes (max)
> 
> I have tried burning this same iso image on two different machines: a
> CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.
> 
> We need to ask the developers to make a re-spin that's about 5MB
> smaller. And before someone suggests it, the 2010-vintage server I'm
> trying to install CentOS on does not support booting from a thumb
> drive, so that option is not available.
> 
> Thanks,
> 
> --Doc Savage
>     Fairview Heights, IL

Guys ..

In order to do a full install set, we need a certain set of packages.

This set of packages is pretty much set in stone (you need all the deps
to do every install in the comps set).  I can not really adjust this
package set unless we take some items off the installer.

This means that the DVD is indeed too big for some media.

If you are having issues and you HAVE to use a DVD and can not use a usb
key .. please use the minimal ISO or the NetInstall ISO instead.

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Lamar Owen]

On 3/18/21 10:23 AM, Stephen John Smoogen wrote:

[what can be done] I am guessing
someone could make an unofficial set of spins which cut out some packages to 
try and make it fit in single density.

This is probably the solution at this point for the 'Full' DVD. In the 
interim, older machines such as this should just use the 'Minimal' DVD, 
since it fits on single-layer nicely.  (I hear or read single-density 
and think FM encoding, 128 bytes per sector, 77-track IBM 3740 format 8 
inch floppies..which are still in use in certain places...)  Same 
for 8.x or 8 Stream -- oh, wait, there is no 'Minimal' ISO, so net 
install or USB is it, can't use optical media at all.



You're right; we're rabbit-holing.  Being at a non-profit, I have to 
rabbit hole a lot, since I tend to use much older hardware than 'normal.'

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Stephen John Smoogen]

On Thu, 18 Mar 2021 at 09:36, Lamar Owen  wrote:

> On 3/18/21 1:24 AM, John R. Dennison wrote:
> > It's not realistic to expect server-class machines not to be able to
> > boot from dual-layer or USB media in 2021.
> There are environments where USB or other writeable media are not
> allowed on premises.
>
> While all DVD-ROM drives are supposed to read DL media, in practice the
> compatibility has not proven to be 100%.
> ___
>

I think we are rabbit-holing on a bunch of related issues:


1. "How old hardware should be expected to work." Again this is not the
core issue the original person was asking.

Upstream (RHEL) usually expects hardware that is confirmed to work to be
usable through the release time. This hardware is usually on the year of
release to 4 years afterwards. So RHEL-7 was released in 2014, so tested
hardware configurations from 2014-2018 should work. Outside of that there
are some work to make it work but the rules from online docs seem to be
that if the hardware was from before 2012 and not a tested configuration,
it should stick to RHEL-6. [This is mostly about a level of support that
would be given point of view.. sure you could get it to work on a 2004
computer.. but if it breaks support is not going to spend hours/days/weeks
trying to make it work. Consulting services are for that..]

CentOS has no support levels so if it works cool. if it doesn't then sorry.
That goes for any dot release. If something is not caught in testing when
various dot releases are being built.. that's too bad. [This isn't a new
thing.. we didn't respin 5 releases when something wasn't caught until
months later.] Also this is not really related to the original person's
problem. It worked for them for many different releases and doesn't now.

2. "What are expected release results?" This is what the original question
falls into. They have been running under the assumption that one set of
DVD's would fall under a limit size for the single density drives. It has
worked for multiple releases before 7.9 and then it didn't. However that
expectation does not seem to have been in the testing procedures as a
'halt' level problem (i.e. measured in testing and then sent back if
failed.) I will be honest on my part, I have only done a 'looks' good
enough as I don't have single density DVD's to test if it worked or not. I
use USB sticks and virtual machines. I am expecting the other testers to
have done the same thing.

3. "What can be done". This is what the original question needs answered.

This was not caught in the release of 7.9 and that was a while ago. There
are not going to be any more dot releases for 7.. there is no planned 7.10
so this is the final set of DVD's until 2024. At this moment, I don't know
if a respin will make the images small enough and what would have to be
dropped to make it fit. Respinning 'official images'  now will also cause
problems for a lot of mirrors and users who will ask 'did these images get
hacked? why did it change now?' [And in either case, the original person
needed this fixed yesterday, not in the 2+ weeks to do this.] I am guessing
someone could make an unofficial set of spins which cut out some packages
to try and make it fit in single density.

-- 
Stephen J Smoogen.
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Lamar Owen]

On 3/18/21 1:24 AM, John R. Dennison wrote:

It's not realistic to expect server-class machines not to be able to
boot from dual-layer or USB media in 2021.
There are environments where USB or other writeable media are not 
allowed on premises.


While all DVD-ROM drives are supposed to read DL media, in practice the 
compatibility has not proven to be 100%.

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Valeri Galtsev]

> On Mar 18, 2021, at 7:30 AM, Robert Heller  wrote:
> 
> At Thu, 18 Mar 2021 00:24:51 -0500 CentOS mailing list  
> wrote:
> 
>> 
>> On Wed, Mar 17, 2021 at 11:42:40PM -0500, Robert G. (Doc) Savage via CentOS 
>> wrote:
>>> 
>>> I'm sure it would, but I thought I made it clear that DL or BluRay have
>>> never been options in this case. I'm disappointed that the DVD iso was
>>> released without any release notes advising it was oversized
>> 
>> The size issue with single-layer media has been a known issue since the
>> CentOS-6 days and the release notes very much do mention it, or at least
>> they did at one point.
>> 
>> It's not realistic to expect server-class machines not to be able to
>> boot from dual-layer or USB media in 2021.
> 
> Or really any "PC".  My 2009 vintage desktop "PC" motherboard can boot from 
> USB.  It has the original BIOS.

To add to that: it would be unreasonable to expect from “binary replica” 
distribution to compose DVDs (or CDs) differently from upstream vendor. 
Therefore, media size may end up larger than limit.

Valeri

>> 
>> 
>>  John
> 
> -- 
> Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
> Deepwoods Software-- Custom Software Services
> http://www.deepsoft.com/  -- Linux Administration Services
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Christopher Wensink]

All of this could be avoided with a simple external disk reader like this:
https://www.amazon.com/Portable-External-Optical-Touch-Screen-Recorder/dp/B084WS3DHR/ref=sr_1_8?dchild=1=EAIaIQobChMIzNfR3PW57wIVkb3ACh0kqwzLEAAYASAAEgJQvPD_BwE=177198149510=c=9019301=g=e=1400606177523862771=kwd-10430955625=18062_9813221=external+dual-layer+dvd+burner=1616073225=electronics=1-8

On 3/18/2021 12:24 AM, John R. Dennison wrote:

On Wed, Mar 17, 2021 at 11:42:40PM -0500, Robert G. (Doc) Savage via CentOS 
wrote:

I'm sure it would, but I thought I made it clear that DL or BluRay have
never been options in this case. I'm disappointed that the DVD iso was
released without any release notes advising it was oversized

The size issue with single-layer media has been a known issue since the
CentOS-6 days and the release notes very much do mention it, or at least
they did at one point.

It's not realistic to expect server-class machines not to be able to
boot from dual-layer or USB media in 2021.






John


--
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IS Administrator
Five Star Plastics, Inc
1339 Continental Drive
Eau Claire, WI 54701
Office:  715-831-1682
Mobile:  715-563-3112
Fax:  715-831-6075
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Robert Heller]

At Thu, 18 Mar 2021 00:24:51 -0500 CentOS mailing list  
wrote:

> 
> On Wed, Mar 17, 2021 at 11:42:40PM -0500, Robert G. (Doc) Savage via CentOS 
> wrote:
> > 
> > I'm sure it would, but I thought I made it clear that DL or BluRay have
> > never been options in this case. I'm disappointed that the DVD iso was
> > released without any release notes advising it was oversized
> 
> The size issue with single-layer media has been a known issue since the
> CentOS-6 days and the release notes very much do mention it, or at least
> they did at one point.
> 
> It's not realistic to expect server-class machines not to be able to
> boot from dual-layer or USB media in 2021.

Or really any "PC".  My 2009 vintage desktop "PC" motherboard can boot from 
USB.  It has the original BIOS.

> 
> 
> 
> 
> 
> 
>   John

-- 
Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services

 
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[John R. Dennison]

On Wed, Mar 17, 2021 at 11:42:40PM -0500, Robert G. (Doc) Savage via CentOS 
wrote:
> 
> I'm sure it would, but I thought I made it clear that DL or BluRay have
> never been options in this case. I'm disappointed that the DVD iso was
> released without any release notes advising it was oversized

The size issue with single-layer media has been a known issue since the
CentOS-6 days and the release notes very much do mention it, or at least
they did at one point.

It's not realistic to expect server-class machines not to be able to
boot from dual-layer or USB media in 2021.






John
-- 
Certitude is not the test of certainty.  We have been
cocksure of many things that were not so.

-- Oliver Wendell Holmes, Jr. (1841-1935), American jurist and Supreme
   Court Justice, "Natural Law", 32 Harvard Law Review 40, 41 (1918)
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Robert G. (Doc) Savage via CentOS]

On Wed, 2021-03-17 at 20:41 +0100, André Verwijs via CentOS wrote:
> 
> I blueray disk (25GB)?? works great :)

André,

I'm sure it would, but I thought I made it clear that DL or BluRay have
never been options in this case. I'm disappointed that the DVD iso was
released without any release notes advising it was oversized

I finally burned and used a network installation CD and NFS connected
to a local mirror of the CentOS 7.9.2011 repository. That option will
not be available to me in the future. I have the server in my physical
possession for a very short while. After I finish installation and
configuration, I will only have remote access.

--Doc Savage
    Fairview Heights, IL
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Michael Hennebry]

Supergrub will boot some .iso files.
In the past, I have directly booted a
partition I made from a fedora .iso file.

Another option *might* be making another .iso file.
Mount the file.
Copy its filesystem to a directory.
Remove some stuff you can live without.
Make another .iso file using directions for making a bootable disk.
Burn the .iso file to disk.

--
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"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[André Verwijs via CentOS]

I blueray disk (25GB)?? works great :)


Op 17-03-2021 om 03:03 schreef H:

On March 16, 2021 11:16:21 AM EDT, Michael Hennebry 
 wrote:

On Sun, 14 Mar 2021, Robert G. (Doc) Savage via CentOS wrote:


We need to ask the developers to make a re-spin that's about 5MB
smaller. And before someone suggests it, the 2010-vintage server I'm
trying to install CentOS on does not support booting from a thumb
drive, so that option is not available.

What will it boot from?
I do not use thumb drives.
I have a USB interface to SD cards.
Can you make the .iso file into a disk partition (not a file in it)?
I've sometimes booted from one of those.

To the OP:

Is it possible to install an earlier release that might conceivably be smaller, 
then run yum update?
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[H]

On March 16, 2021 11:16:21 AM EDT, Michael Hennebry 
 wrote:
>On Sun, 14 Mar 2021, Robert G. (Doc) Savage via CentOS wrote:
>
>> We need to ask the developers to make a re-spin that's about 5MB
>> smaller. And before someone suggests it, the 2010-vintage server I'm
>> trying to install CentOS on does not support booting from a thumb
>> drive, so that option is not available.
>
>What will it boot from?
>I do not use thumb drives.
>I have a USB interface to SD cards.
>Can you make the .iso file into a disk partition (not a file in it)?
>I've sometimes booted from one of those.

To the OP:

Is it possible to install an earlier release that might conceivably be smaller, 
then run yum update?
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Michael Hennebry]

On Sun, 14 Mar 2021, Robert G. (Doc) Savage via CentOS wrote:


We need to ask the developers to make a re-spin that's about 5MB
smaller. And before someone suggests it, the 2010-vintage server I'm
trying to install CentOS on does not support booting from a thumb
drive, so that option is not available.


What will it boot from?
I do not use thumb drives.
I have a USB interface to SD cards.
Can you make the .iso file into a disk partition (not a file in it)?
I've sometimes booted from one of those.

--
Michael   henne...@web.cs.ndsu.nodak.edu
"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
 --  someeecards
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Lamar Owen]

On 3/16/21 9:37 AM, Lamar Owen wrote:
Sure, no problem.  I had a similar problem with a different version of 
CentOS, 8.3, which is too large to fit on a dual-layer DVD.

I should have done the math before posting, sorry.  Here's the math:
lowen@d10-lo-m6700:~$ dvd+rw-mediainfo /dev/sr0
INQUIRY:    [MATSHITA][BD-MLT UJ272    ][1.00]
GET [CURRENT] CONFIGURATION:
 Mounted Media: 2Bh, DVD+R Double Layer
...
READ TRACK INFORMATION[#1]:
...
Free Blocks:   4173824*2KB
 Track Size:    4173824*2KB
...

That's 8547991552 bytes.

Ok:
lowen@d10-lo-m6700:~$ ls -l CentOS*8.3*.iso
-rw-r--r-- 1 lowen lowen 9264168960 Mar 16 09:27 
CentOS-8.3.2011-x86_64-dvd1.iso

lowen@d10-lo-m6700:~$

That's 716177408 bytes too large.
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Lamar Owen]

On 3/15/21 5:04 PM, Stephen John Smoogen wrote:

On Mon, 15 Mar 2021 at 16:26, Lamar Owen  wrote:

Well, what's odd is that the actual upstream RHEL 7.9 DVD WILL fit on a
single-layer DVD.  Just burned one.

Well I am batting 0 for 1000 today. I am clearly not a good resource at the
moment :). Thanks Lamar for checking the real source.


Sure, no problem.  I had a similar problem with a different version of 
CentOS, 8.3, which is too large to fit on a dual-layer DVD.  I also had 
a similar problem with another product altogether, pfSense, which will 
no longer fit on a CD, even though the docs said 'CD/DVD image' and I 
was trying to repurpose an old server, 64-bit capable but very early 
64-bit, that had a CD drive (parallel ATA thinline!) with a special 
connector, and I didn't have a DVD drive available.  Oddly enough, that 
old box can boot USB, but only certain sticks, and so I used an old 1GB 
stick to boot pfSense on that box.  I was prepared to boot an older 
pfSense and upgrade up to current.



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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Rob Kampen]

On 16/03/21 9:25 am, Lamar Owen wrote:

On 3/15/21 8:51 AM, Stephen John Smoogen wrote:
Exactly that. Upstream Fedora and RHEL went to require dual density 
around

Fedora 18, RHEL-7 because the amount of data was too much.
Well, what's odd is that the actual upstream RHEL 7.9 DVD WILL fit on 
a single-layer DVD.  Just burned one.
I seem to recall that RHEL and CentOS bundle their products differently 
- hence RHEL has bits divided into other groups, whereas CentOS combines 
them 


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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[John R. Dennison]

On Mon, Mar 15, 2021 at 05:04:41PM -0400, Stephen John Smoogen wrote:
> Well I am batting 0 for 1000 today. I am clearly not a good resource at the
> moment :). Thanks Lamar for checking the real source.

It's ok, smooge...

It's First Monday, you've got 4 more of 'em to go :)





John

-- 
It's a hurtful place, the world, in and of itself.  We don't need to add to it.
And we're in a place now where we all need one another, and it's going to get
rougher.

-- Prince Rogers Nelson (7 June 1958 - 21 April 2016), funk/rock/pop/R singer,
   songwriter, and actor, Tavis Smiley Show, PBS (27 April 2009)


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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Stephen John Smoogen]

On Mon, 15 Mar 2021 at 16:26, Lamar Owen  wrote:

> On 3/15/21 8:51 AM, Stephen John Smoogen wrote:
> > Exactly that. Upstream Fedora and RHEL went to require dual density
> around
> > Fedora 18, RHEL-7 because the amount of data was too much.
> Well, what's odd is that the actual upstream RHEL 7.9 DVD WILL fit on a
> single-layer DVD.  Just burned one.
>
>
Well I am batting 0 for 1000 today. I am clearly not a good resource at the
moment :). Thanks Lamar for checking the real source.


-- 
Stephen J Smoogen.
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Lamar Owen]

On 3/15/21 8:51 AM, Stephen John Smoogen wrote:

Exactly that. Upstream Fedora and RHEL went to require dual density around
Fedora 18, RHEL-7 because the amount of data was too much.
Well, what's odd is that the actual upstream RHEL 7.9 DVD WILL fit on a 
single-layer DVD.  Just burned one.


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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Stephen John Smoogen]

On Mon, 15 Mar 2021 at 08:19, Robert Heller  wrote:

> At Sun, 14 Mar 2021 21:49:40 -0500 "Robert G. \(Doc\) Savage" <
> dsav...@peaknet.net>, CentOS mailing list  wrote:
>
> >
> > On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
> > > Sounds like you need to use a dual layer DVD disc, it is double the
> > > capacity.
> >
> > John,
> >
> > Wrong answer. The server's optical drive doesn't support double-layer
> > disks. The CentOS developers made a mistake on their DVD iso, and they
> > need to fix it.
>
> Actually not -- the CentOS ISOs have not been meant for optical media
> since
> CentOS 6 -- they have been meant for thumb drives (>= 8G).
>
>
Exactly that. Upstream Fedora and RHEL went to require dual density around
Fedora 18, RHEL-7 because the amount of data was too much. The CentOS
developers have tried to their best to keep a single density working but
there has been a constant race of problems with various 'important'
packages having to be dropped from this ISO every time. For the final
EL-7.x series, there were too many packages to do this with. The
alternatives you have are:

1. Use CentOS-7.8 (or 7.7, or... ) as the boot media and then network
update
2. Use CentOS-7.9 minimal and network update
3. Use CentOS-7.9 netiso and network install.
4. Use some mixture of the above with a USB disk of all the data and a
kickstart to point to it so it gets there.
5. Look for a completely different alternative.


> You are going to have to something different.  Is it possible to do a
> network
> install on this machine.  I believe the netboot ISO should be small enough
> to
> fit on a CD or DVD.
>
> >
> > --Doc
> > ___
> > CentOS mailing list
> > CentOS@centos.org
> > https://lists.centos.org/mailman/listinfo/centos
> >
> >
> >
>
> --
> Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
> Deepwoods Software-- Custom Software Services
> http://www.deepsoft.com/  -- Linux Administration Services
> hel...@deepsoft.com   -- Webhosting Services
>
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>


-- 
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Robert Heller]

At Sun, 14 Mar 2021 21:49:40 -0500 "Robert G. \(Doc\) Savage" 
, CentOS mailing list  wrote:

> 
> On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
> > Sounds like you need to use a dual layer DVD disc, it is double the 
> > capacity.
> 
> John,
> 
> Wrong answer. The server's optical drive doesn't support double-layer
> disks. The CentOS developers made a mistake on their DVD iso, and they
> need to fix it.

Actually not -- the CentOS ISOs have not been meant for optical media since 
CentOS 6 -- they have been meant for thumb drives (>= 8G).

You are going to have to something different.  Is it possible to do a network 
install on this machine.  I believe the netboot ISO should be small enough to 
fit on a CD or DVD.

> 
> --Doc
> ___
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> https://lists.centos.org/mailman/listinfo/centos
> 
> 
> 

-- 
Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software-- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
hel...@deepsoft.com   -- Webhosting Services

  
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Michel van Deventer]

Hi,

you can also burn it to a DL (dual layer) DVD (like the Centos 8 image).

regards,

   Michel


On 2021-03-15 02:13, Robert G. (Doc) Savage via CentOS wrote:

I need help from someone experienced with the CentOS bug tracking
system. I gotta say it is one of the most complicated and imposing
front ends I've ever seen. Could anyone familiar with it please file a
bug on my behalf? Particulars:

"CentOS 7.9.2009 DVD iso image too large"

ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
Wed Nov  4 05:37:25 2020
Burners: Both K3B and Brasero
Media: Both DVD-R and DVD+R single-layer disks

iso image: 4,712,300,544 bytes
User Anthony F McInerney advises Wikipedia says
DVD-R capacity: 4,707,319,808 bytes (max)

I have tried burning this same iso image on two different machines: a
CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.

We need to ask the developers to make a re-spin that's about 5MB
smaller. And before someone suggests it, the 2010-vintage server I'm
trying to install CentOS on does not support booting from a thumb
drive, so that option is not available.

Thanks,

--Doc Savage
    Fairview Heights, IL

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Simon Matter]

> On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
>> Sounds like you need to use a dual layer DVD disc, it is double the
>> capacity.
>
> John,
>
> Wrong answer. The server's optical drive doesn't support double-layer
> disks. The CentOS developers made a mistake on their DVD iso, and they
> need to fix it.

I don't think they have to do anything, who can tell them so they have to
obey?

Why don't you try either CentOS-7-x86_64-Minimal-2009.iso or
CentOS-7-x86_64-NetInstall-2009.iso? Both options should work for you.

Regards,
Simon



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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Robert G. (Doc) Savage via CentOS]

On Sun, 2021-03-14 at 21:31 -0400, John Plemons wrote:
> Sounds like you need to use a dual layer DVD disc, it is double the 
> capacity.

John,

Wrong answer. The server's optical drive doesn't support double-layer
disks. The CentOS developers made a mistake on their DVD iso, and they
need to fix it.

--Doc
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Valeri Galtsev]

> On Mar 14, 2021, at 8:36 PM, Valeri Galtsev  wrote:
> 
> 
> 
>> On Mar 14, 2021, at 8:13 PM, Robert G. (Doc) Savage via CentOS 
>>  wrote:
>> 
>> I need help from someone experienced with the CentOS bug tracking
>> system. I gotta say it is one of the most complicated and imposing
>> front ends I've ever seen. Could anyone familiar with it please file a
>> bug on my behalf? Particulars:
>> 
>> "CentOS 7.9.2009 DVD iso image too large"
>> 
>> ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
>> Wed Nov  4 05:37:25 2020
>> Burners: Both K3B and Brasero
>> Media: Both DVD-R and DVD+R single-layer disks
>> 
>> iso image: 4,712,300,544 bytes
>> User Anthony F McInerney advises Wikipedia says
>> DVD-R capacity: 4,707,319,808 bytes (max)
>> 
>> I have tried burning this same iso image on two different machines: a
>> CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.
>> 
>> We need to ask the developers to make a re-spin that's about 5MB
>> smaller. And before someone suggests it, the 2010-vintage server I'm
>> trying to install CentOS on does not support booting from a thumb
>> drive, so that option is not available.
> 
> Double layer DVD comes to my mind.
> 

Another thing came to my mind: you can try growisofs in command line with 
-overnurn option.

Valeri

> But I agree, it is annoying, and I’ve seen things like that, this is not the 
> first time I see alleged DVD image doesn’t fit into DVD it’s supposed to be 
> burned to.
> 
> Valeri
> 
>> Thanks,
>> 
>> --Doc Savage
>>Fairview Heights, IL
>> 
>> ___
>> CentOS mailing list
>> CentOS@centos.org
>> https://lists.centos.org/mailman/listinfo/centos
> 

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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Valeri Galtsev]

> On Mar 14, 2021, at 8:13 PM, Robert G. (Doc) Savage via CentOS 
>  wrote:
> 
> I need help from someone experienced with the CentOS bug tracking
> system. I gotta say it is one of the most complicated and imposing
> front ends I've ever seen. Could anyone familiar with it please file a
> bug on my behalf? Particulars:
> 
> "CentOS 7.9.2009 DVD iso image too large"
> 
> ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
> Wed Nov  4 05:37:25 2020
> Burners: Both K3B and Brasero
> Media: Both DVD-R and DVD+R single-layer disks
> 
> iso image: 4,712,300,544 bytes
> User Anthony F McInerney advises Wikipedia says
> DVD-R capacity: 4,707,319,808 bytes (max)
> 
> I have tried burning this same iso image on two different machines: a
> CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.
> 
> We need to ask the developers to make a re-spin that's about 5MB
> smaller. And before someone suggests it, the 2010-vintage server I'm
> trying to install CentOS on does not support booting from a thumb
> drive, so that option is not available.

Double layer DVD comes to my mind.

But I agree, it is annoying, and I’ve seen things like that, this is not the 
first time I see alleged DVD image doesn’t fit into DVD it’s supposed to be 
burned to.

Valeri

> Thanks,
> 
> --Doc Savage
> Fairview Heights, IL
> 
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Re: [CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[John Plemons]

Sounds like you need to use a dual layer DVD disc, it is double the 
capacity.


john


On 3/14/2021 9:13 PM, Robert G. (Doc) Savage via CentOS wrote:

I need help from someone experienced with the CentOS bug tracking
system. I gotta say it is one of the most complicated and imposing
front ends I've ever seen. Could anyone familiar with it please file a
bug on my behalf? Particulars:

"CentOS 7.9.2009 DVD iso image too large"

ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
Wed Nov  4 05:37:25 2020
Burners: Both K3B and Brasero
Media: Both DVD-R and DVD+R single-layer disks

iso image: 4,712,300,544 bytes
User Anthony F McInerney advises Wikipedia says
DVD-R capacity: 4,707,319,808 bytes (max)

I have tried burning this same iso image on two different machines: a
CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.

We need to ask the developers to make a re-spin that's about 5MB
smaller. And before someone suggests it, the 2010-vintage server I'm
trying to install CentOS on does not support booting from a thumb
drive, so that option is not available.

Thanks,

--Doc Savage
     Fairview Heights, IL

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[CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

[Robert G. (Doc) Savage via CentOS]

I need help from someone experienced with the CentOS bug tracking
system. I gotta say it is one of the most complicated and imposing
front ends I've ever seen. Could anyone familiar with it please file a
bug on my behalf? Particulars:

"CentOS 7.9.2009 DVD iso image too large"

ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
Wed Nov  4 05:37:25 2020
Burners: Both K3B and Brasero
Media: Both DVD-R and DVD+R single-layer disks

iso image: 4,712,300,544 bytes
User Anthony F McInerney advises Wikipedia says
DVD-R capacity: 4,707,319,808 bytes (max)

I have tried burning this same iso image on two different machines: a
CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.

We need to ask the developers to make a re-spin that's about 5MB
smaller. And before someone suggests it, the 2010-vintage server I'm
trying to install CentOS on does not support booting from a thumb
drive, so that option is not available.

Thanks,

--Doc Savage
    Fairview Heights, IL

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