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How to create a bootable DVD (> 1Gb)

Eric van Dijken
Trusted Contributor

How to create a bootable DVD (> 1Gb)

I am trying to create a bootable Tru64 (5.1B) install DVD. So far i have been using "mkisofs". But any image greater than 1Gb (1023Mb) will fail to boot.

Ofcourse this may be because the ISO filesystem has a restriction on size. But then how does one go about to create a bootable DVD?
Watch, Think and Tinker.
16 REPLIES
Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

I can't believe, i am the only one in the world to create custom installations from HP Tru64 media sets.

Come on, tell me the trick :)
Watch, Think and Tinker.
Ralf Puchner
Honored Contributor

Re: How to create a bootable DVD (> 1Gb)

I've only seen custom CD-ROM's, maybe the trick is that we do not offer DVD drives for Alpha computers... ;-)
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Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

Yea, only too bad my ES45(all 16 of them) has/have one;

83: /dev/disk/cdrom0c HL-DT-ST DVD-ROM GDR8161B bus-1-targ-0-lun-0

Wanna try again? :)
Watch, Think and Tinker.
Ralf Puchner
Honored Contributor

Re: How to create a bootable DVD (> 1Gb)

The only supported DVD ROM is 3R-A4304-AA
(CARBON H/H 16X DVD-ROM drive)

The drive does not support UDF.

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Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

Are you trying to tell me, that i have 16 * ES45 (Order nr. DA-68DBA-DA) with a DVD-rom drive each (even says so on the tray), which can't be used as a DVD reader, but only as a CD-ROM reader?

If thats true, i will have a small issue to solve with my hardware supllier.

Watch, Think and Tinker.
Ralf Puchner
Honored Contributor

Re: How to create a bootable DVD (> 1Gb)

A DVD drive can always read CD and DVD formats. In your case it will fulfill all requirements as CD-Rom drive, because it will read all HP software (always delivered as CD-Rom and backwards compatible with older drives).

Why not creating a normal CD-Rom with bootable Tru64?


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Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

Because its easier to distribute one DVD, which does a complete unattended and configurable install of Tru64 UNIX, including setting up Trucluster and installing Oracle 9iRAC, with no disc swapping.

Than a disc version, which would need two (or many more) discs and/or would require operator intervention.

But if it isn't supported, it can't be done. And that would be a shame, ofcourse.

Or maybe i am just a bit ahead of my time.
Watch, Think and Tinker.
Ralf Puchner
Honored Contributor

Re: How to create a bootable DVD (> 1Gb)

Have a look into the Tru64 roadmap that will answer all questions regarding future devices or slots ;-)
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Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

Afraid the customer doesn't want to wait that long.

Guess i have to hack my way around the "supported" part.

Thanks for yer help.

Watch, Think and Tinker.
Pieter 't Hart
Honored Contributor

Re: How to create a bootable DVD (> 1Gb)

first i want to state i have no experience in creating dvdrom's, but i want to do a suggestion : could it be an idea to create it in two parts ?
(two partittions on the dvd-rom)
on a bootable windows-cd there also is a "virtual floppy" and the actual data-partition

Pieter
Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

That may work or may not work, but i am willing to try anything ofcourse.

So just to see if i get it right:
- create an image on disk or ram
- 'dd' the image into a file
- make the imagefile bootable
- burn it onto DVD, like its an ISO file
- boot using partition A
- load software from partition B

Right ?
Watch, Think and Tinker.
Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

Update:

I gave up trying to come up with a working sollution. My installation now also has to run on systems without a dvd drive. Now i use multiple cdroms to install. (Not what i wanted, but it works)
Watch, Think and Tinker.
saverino_1
Occasional Visitor

Re: How to create a bootable DVD (> 1Gb)

Hi,

I wish to create a bootable CD to install other systems.

Could you please tell me how i have to do it ?

Thanks

Giuseppe
Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

First you should understand the "how" details are all in the "HP Tru64 UNIX Installation Guide â Advanced Topics, Part Number: AA-RH8TE-TE"

#The MAKEISOFS command:
mkisofs -D -R -d -o -b -quiet \
-p "Eric van Dijken " \
-P "ISC Odijk (c) 2004" -V "V5.1Br2650_O1" \
-o $ROOT/$CD1_IMAGE .

#The DISKLABEL command:
disklabel -w -t cdfs -f $ROOT/$CD1_IMAGE

#The command for the bootblock on the IMAGE:
echo "\0\c" || dd bs=1024k conv=sync >> $ROOT/$CD1_IMAGE

Hope this helps,
Eri
Watch, Think and Tinker.
Don Smolinski
Occasional Visitor

Re: How to create a bootable DVD (> 1Gb)

I am trying to develop a Tru64 bootable DVD,
and was hoping you could help me out? I
have done this successfully with Sun Solaris,
but am not familiar with Dec Alpha platform, and Tru64 operating system. Any help is appreciated!
Eric van Dijken
Trusted Contributor

Re: How to create a bootable DVD (> 1Gb)

Most of my information came from this document:

Tru64 UNIX Installation Guide â Advanced Topics
Part Number: AA-RH8TE-TE

But if you read to above messages, you will know that it can't be done. (Atleast that it is not supported)

Good lu
Watch, Think and Tinker.