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1answer
64 views

Grub not starting after moving drives

So I've got a Debian 9 machine with 5 hard drives in it. I tried moving these drives to a new machine and hoping they would boot. When I did this, I got "normal.mod not found" and it kicked me to grub ...
2
votes
2answers
72 views

How to determine if a PC has a combination of GPT disk and legacy BIOS boot, where the boot code is read from the MBR?

In a comment, Johan wrote: In the rare combination GPT disk + legacy BIOS boot, the boot code is read in the old-fasioned way from the MBR What is the proper way to determine if a PC has the ...
0
votes
1answer
116 views

Installation and booting scenarios for combinations of boot sector (GPT or MBR), firmware (BIOS or UEFI)?

I think all the confusions in this post come from coexistence of old and new technologies and abuse of terminology such as mentioned in https://en.wikipedia.org/wiki/...
0
votes
1answer
108 views

Does Fedora's inst.gpt command exist in other distros?

I have recently found this inst.gpt boot flag in Fedora useful as it allows me to say up a GPT drive on a non-UEFI BIOS system, does it also exist in a different form on other distros? If not would it ...
1
vote
2answers
3k views

Resizing the ESP /boot/efi partition

I have an existing Debian 9 installation on a 2 TB GPT formatted internal SSD/SATA hybrid hard disk on a brand new Acer laptop. The entire Debian install takes up a mere 600 GB of the hard drive. No ...
5
votes
1answer
900 views

Grub won't boot from GPT RAID (gave up waiting for root device)

I'm having problems with booting a Debian 8 system on which I migrated the root partition from a single hard drive to a RAID1 (mdraid). On every boot, I get the following grub error: Gave up waiting ...
2
votes
3answers
2k views

How do I test bootable USB created with UEFI GPT partition scheme

I am frequently testing bootable USB devices with different operating systems. Now I have to boot the whole computer just to test one USB device. How can I test the devices without booting? QEMU works ...
2
votes
1answer
18k views

BIOS / GPT: do we need a 'boot' flag? [duplicate]

On a BIOS-GPT system (i.e. no UEFI): I partition my disk this way: 1) 2MiB with the bios_grub flag 2) 1GiB ext2 for /boot 3) 30Gib ext4 for / for Gentoo. 4) the rest divided for other distros ...
2
votes
1answer
4k views

How do I create a bootable GPT UEFI Linux disk?

Aaargh. After days of reading and trying everything I'm still stuck in a maze. It should be simple but I cannot work it out. I need to create one bootable UEFI disk partition that contains all the ...
1
vote
2answers
897 views

Unable to dual boot FreeBSD alongside Arch Linux with Grub2

My disk partition scheme, as seen by Grub, is as follows: hd0,gpt1: EFI system hd0,gpt2: Linux Swap hd0,gpt3: Linux Filesystem hd0,gpt4: FreeBSD UFS` The install process of FreeBSD 11.0-RELEASE ...
2
votes
1answer
536 views

Does GRUB2 see Windows 10 bootloader, if windows was installed after GRUB in GPT/EFI?

Suppose, I have a machine with UEFI and GPT-partitioned hard drive. I have an Ubuntu system installed on it and GRUB2 in UEFI system partition. Then I install Windows 10 and its boot loader to UEFI ...
5
votes
1answer
5k views

mdadm: no devices listed in conf file were found - Debian 8 with GPT

I have a Debian Jessie (3.16.7-ckt20-1+deb8u3) system with RAID1 on 2x 3TB hard drives. Grub can't be installed into MBR on drives >2TB, thus I have GPT with 1MB bios partition: Device Start ...
2
votes
1answer
1k views

'PARTUUID' in '/etc/fstab' and (hardware) RAID0 don't play well together, do they?

Fresh Arch Linux install on (hardware) RAID0 under 64-bit UEFI system with GPT partitions. Had to add MODULES="ext4 dm_mod raid0" HOOKS="base udev autodetect modconf block mdadm_udev filesystems ...
1
vote
0answers
106 views

How could a typical partition scheme look like on a bootable thumbdrive with uefi and diskencryption?

I am now playing with uefi and read about some kind of basics, which seem to be: Create a partition table of type GPT Create an efi partition, type fat16 in this partition create a structure like /...
2
votes
0answers
541 views

Booting from USB devices on secure boot UEFI system

I'm trying to put an ArchLinux install onto a USB-HDD and want it to be bootable on BIOS systems as well as on UEFI systems that use secure boot. Therefore I have one main question. Does an UEFI ...
2
votes
1answer
2k views

Is it safe to delete old boot and EFI System partitions?

I have installed a new OS in the free space of the same hard disk after failing to upgrade the old one. Now there are two copies of boot partitions and EFI System partitions. After a harrowing ...
1
vote
2answers
161 views

Fedora 16 fails to boot after Win7 installed a GPT Drive

So, I have Windows 7 and Fedora 16 installed on my old HDD. Everything worked well and fine before I've had my new 3TB drive built in, which I initialized as GPT in Windows. Actually I initialized 1,...