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From: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
To: grub-devel@gnu.org
Subject: Re: How important is the MBR partition offset of grub-mkrescue ?
Date: Sun, 03 Nov 2013 00:42:54 +0100	[thread overview]
Message-ID: <52758DFE.3030604@gmail.com> (raw)
In-Reply-To: <10533651190322788149@scdbackup.webframe.org>

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Hello, Thomas. Noce to hear from you.
> How important ist the partition start at LBA 1 in comparison
> to this obvious drawback of grub-mkrescue images on Linux ?
> (Start at LBA 0 solves the problem but makes the MBR part
> of the first partition. I understand this is undesirable
> somehow.)
LBA 0 is not an option. It will make hang, at least some versions OVMF,
quite possibly other firmwares as well. Nowadays what we have between 1
(inclusive) and isofs headers is all generated by xorriso (except on
sparc where we supply LBA 1)
It's possible to use another small value other than >1 in order to make
a set of headers at another position pointing to the same data.

Another workaround is to mount HFS+ filesystem which is already in a
partition (GPT one).



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  reply	other threads:[~2013-11-02 23:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-02 18:57 How important is the MBR partition offset of grub-mkrescue ? Thomas Schmitt
2013-11-02 23:42 ` Vladimir 'φ-coder/phcoder' Serbinenko [this message]
2013-11-03 12:21   ` Thomas Schmitt
2013-11-03 13:05     ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-11-03 15:21       ` Thomas Schmitt
2013-11-03 15:48         ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-11-03 16:19           ` Thomas Schmitt
2013-11-03 16:32             ` Vladimir 'φ-coder/phcoder' Serbinenko
2013-11-03 17:16           ` Thomas Schmitt
2013-11-04 12:08             ` Andrey Borzenkov
2013-11-04 12:08               ` Andrey Borzenkov
2013-11-04 14:03               ` Thomas Schmitt
2013-11-04 14:10                 ` Andrey Borzenkov
2013-11-04 14:21                   ` Thomas Schmitt
2013-11-04 15:44               ` Thomas Schmitt

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