Re: changing from BIOS to GPT [RESOLVED]

2015-06-10 Thread Gary Dale
On 08/06/15 11:51 PM, Gary Dale wrote: On 08/06/15 02:24 PM, Arno Schuring wrote: > Date: Mon, 8 Jun 2015 11:24:20 +0200 > From: geo...@nsup.org > > More precisely: a conforming UEFI firmware MUST be able to read FAT32 > partitions. It CAN be able to read other types: apple's implementation ca

Re: changing from BIOS to GPT

2015-06-10 Thread Nicolas George
Le decadi 20 prairial, an CCXXIII, Arno Schuring a écrit : > Ah, I did not know that the EFI spec didn't mandate FAT32 for the ESP. You did not read my mail correctly. > Well, default options are default options. Debian tools expect the ESP > to be mounted at /boot/efi. That's enough of a "should

Re: changing from BIOS to GPT

2015-06-08 Thread Gary Dale
On 08/06/15 02:24 PM, Arno Schuring wrote: > Date: Mon, 8 Jun 2015 11:24:20 +0200 > From: geo...@nsup.org > > More precisely: a conforming UEFI firmware MUST be able to read FAT32 > partitions. It CAN be able to read other types: apple's implementation can > read apple's proprietary filesystem.

Re: changing from BIOS to GPT

2015-06-08 Thread Pascal Hambourg
Nicolas George a écrit : > > Arno Schuring: > >> (which we already knew, as Windows does not support booting in EFI mode >> from an MBR-style disk) > > I am no windows specialist, but I doubt this is true: I can tell from experience that it is true for Windows Vista and 7 at least. I haven't ha

RE: changing from BIOS to GPT

2015-06-08 Thread Arno Schuring
> Date: Mon, 8 Jun 2015 11:24:20 +0200 > From: geo...@nsup.org > > More precisely: a conforming UEFI firmware MUST be able to read FAT32 > partitions. It CAN be able to read other types: apple's implementation can > read apple's proprietary filesystem. > > If you KNOW that YOUR firmware suppo

Re: changing from BIOS to GPT

2015-06-08 Thread Nicolas George
There are a few approximations, let me add a few comments. In short, most of what you wrote is good practice, but not actually required. Arno Schuring: > There's still some confusion here: > - The ESP (Efi System Partition) is recommended to be around 100-200MB It needs to be big enough to contai

RE: changing from BIOS to GPT

2015-06-08 Thread Arno Schuring
> Date: Sun, 7 Jun 2015 23:23:26 -0400 > From: garyd...@torfree.net > >> >> On top of that, grub installs its stage2 bootloader in the unclaimed >> space between the MBR and the first partition. That space is not unused >> in the GPT disk format, so when you simply convert your existing >> partit

Re: changing from BIOS to GPT

2015-06-07 Thread Gary Dale
On 07/06/15 04:11 PM, Arno Schuring wrote: (sending again through hotmail's web interface -- apologies for anything my MUA may do to the content) Seems to have worked this time. Date: Sun, 7 Jun 2015 14:23:40 -0500 From: deb...@lionunicorn.co.uk Quoting Gary Dale: Arno Schuring said: "rec

Re: changing from BIOS to GPT

2015-06-07 Thread Pascal Hambourg
Arno Schuring a écrit : > > It does, but what it breaks is the installed bootloader, not the grub > installation. So "it needs to be reinstalled" is correct, but "aptitude > reinstall grub-pc" is the wrong solution. You should be running > update-grub and grub-install I'd run them in the reverse

RE: changing from BIOS to GPT

2015-06-07 Thread Arno Schuring
(sending again through hotmail's web interface -- apologies for anything my MUA may do to the content) > Date: Sun, 7 Jun 2015 14:23:40 -0500 > From: deb...@lionunicorn.co.uk > > Quoting Gary Dale: >> Arno Schuring said: >>> "reconfigure grub" in this case meant uninstalling grub-pc and >>> instal

Re: changing from BIOS to GPT

2015-06-07 Thread David Wright
Quoting Gary Dale: > Arno Schuring said: >> "reconfigure grub" in this case meant uninstalling grub-pc and >> installing grub-efi, right? > No actually. I never uninstalled grub-pc. The machine seemed to have > grub-efi-amd64 all along. What I meant was the more mundane > update-grub sequence. Also

Re: changing from BIOS to GPT

2015-06-07 Thread Pascal Hambourg
Gary Dale a écrit : > On 06/06/15 06:23 PM, Pascal Hambourg wrote: >> Gary Dale a écrit : >>> I have a computer that was set up with an the older style partition >>> table and wanted to convert it to GPT. >> May I ask why ? > Yes you may. GPT is the superior partition table, especially when > dual

Re: changing from BIOS to GPT

2015-06-07 Thread Pascal Hambourg
Gary Dale a écrit : > On 06/06/15 07:14 PM, Pascal Hambourg wrote: >> How could "the grub menu look fine" if "the grub boot loader doesn't >> appear to be executing" ? >> > If you read what I wrote, I said the "grub menu looks fine on the HD". Well, that did not make much sense to me because the

Re: changing from BIOS to GPT

2015-06-07 Thread Gary Dale
On 06/06/15 07:14 PM, Pascal Hambourg wrote: Gary Dale a écrit : The problem is that the grub boot loader doesn't appear to be executing. The grub menu looks fine on the HD, but grub itself doesn't even get to the point of failing. How could "the grub menu look fine" if "the grub boot loader do

Re: changing from BIOS to GPT

2015-06-07 Thread Gary Dale
On 06/06/15 06:23 PM, Pascal Hambourg wrote: Gary Dale a écrit : I have a computer that was set up with an the older style partition table and wanted to convert it to GPT. May I ask why ? Yes you may. GPT is the superior partition table, especially when dual-booting, as it allows more partitio

Re: changing from BIOS to GPT

2015-06-06 Thread Pascal Hambourg
Gary Dale a écrit : >> > The problem is that the grub boot loader doesn't appear to be executing. > The grub menu looks fine on the HD, but grub itself doesn't even get to > the point of failing. How could "the grub menu look fine" if "the grub boot loader doesn't appear to be executing" ? --

Re: changing from BIOS to GPT

2015-06-06 Thread Gary Dale
On 06/06/15 01:32 PM, Lisi Reisz wrote: On Saturday 06 June 2015 16:21:38 Gary Dale wrote: On 06/06/15 05:28 AM, Lisi Reisz wrote: On Saturday 06 June 2015 04:51:58 Gary Dale wrote: On 05/06/15 03:22 PM, Arno Schuring wrote: Hi, Date: Fri, 5 Jun 2015 14:45:04 -0400 From: garyd...@torfr

Re: changing from BIOS to GPT

2015-06-06 Thread Pascal Hambourg
Gary Dale a écrit : > I have a computer that was set up with an the older style partition > table and wanted to convert it to GPT. May I ask why ? > Since the first partition started > at 2048, I figured this wouldn't be a problem. Just use gdisk to write a > new partition table after stealing

Re: changing from BIOS to GPT

2015-06-06 Thread Gary Dale
On 06/06/15 05:28 AM, Lisi Reisz wrote: On Saturday 06 June 2015 04:51:58 Gary Dale wrote: On 05/06/15 03:22 PM, Arno Schuring wrote: Hi, Date: Fri, 5 Jun 2015 14:45:04 -0400 From: garyd...@torfree.net > I have a computer that was set up with an the older style partition > ta

Re: changing from BIOS to GPT

2015-06-05 Thread Gary Dale
On 05/06/15 03:22 PM, Arno Schuring wrote: Hi, > Date: Fri, 5 Jun 2015 14:45:04 -0400 From: garyd...@torfree.net > > I have a computer that was set up with an the older style partition > table and wanted to convert it to GPT. Since the first partition started > at 2048, I fi

RE: changing from BIOS to GPT

2015-06-05 Thread Arno Schuring
Hi, > Date: Fri, 5 Jun 2015 14:45:04 -0400 > From: garyd...@torfree.net > > I have a computer that was set up with an the older style partition > table and wanted to convert it to GPT. Since the first partition started > at 2048, I figured this wouldn't be a problem. Just use gdisk to write a

changing from BIOS to GPT

2015-06-05 Thread Gary Dale
I have a computer that was set up with an the older style partition table and wanted to convert it to GPT. Since the first partition started at 2048, I figured this wouldn't be a problem. Just use gdisk to write a new partition table after stealing some space from swap for an EFI boot partition