Questions tagged [grub2]
GRUB (GRand Unified Bootloader) is a bootloader package to load operating systems. GRUB2 is a rewrite, and the dominant version since 2009.
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GRUB hangs before menu, after a HDD upgrade. How to debug?
I have a problem on a server with 4 x 1 TB drives running Debian wheezy and
GRUB 1.99-27+deb7u3.
sda and sdb have partitions mirrored using (Linux software) RAID1, including /boot. sdc and sdd have a ...
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Linux Software RAID1: How to boot after (physically) removing /dev/sda? (LVM, mdadm, Grub2)
A server set up with Debian 6.0/squeeze. During the squeeze installation, I configured the two 500GB SATA disks (/dev/sda and /dev/sdb) as a RAID1 (managed with mdadm). The RAID keeps a 500 GB LVM ...
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Grub rescue, will not boot from mdadm RAID, no such disk or device -- mduuid wrong?
I am running a 14 disk RAID 6 on mdadm behind 2 LSI SAS2008's in JBOD mode (no HW raid) on Debian 7 in BIOS legacy mode.
Grub2 is dropping to a rescue shell complaining that "no such device" exists ...
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Debian 12 (bookworm): Installing a software RAID 1 fails with grub error
For a while I have been trying to set up a new server system with a RAID 1 as boot source. That RAID consists of two 4TB Harddisks. So I boot from an USB stick that I have prepared with the ...
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Grub2 reports physical volume pv0 not found when probing/installing
I upgraded a Ubuntu Maverick to Precise server but I get the following error while updating grub:
error: physical volume pv0 not found.
Now, for my system I have /dev/sda through /dev/sde
/dev/sda1 ...
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update grub2 without hardware access (e.g. in a chroot)?
I'm writing a script that takes a master KVM image, converts it to VDI, makes a few changes to it,
and offers it up for download.
I need to update the kernel boot parameters for some of the newly ...
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XenServer 6.2 VM 100% CPU and 100% memory usage and won't boot
I had this problem today after a power failure.
I had 2 vms and one of them won't boot and was using 100% of CPU and 100% of memory.
Since it was very dificult to solve (at least for me) I want to ...
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grub2 does not find /boot on RAID1 md0 device
I have RAID1 md0 for /boot consisting of 4 partitions (sda2, sdb2, sdc2, sdd2).
I'm using GPT on 2TB HDDs, so first partitions on each disk (sda1, ...) are 1-megabyte bios_grub partitions.
I also ...
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How to boot debian from both drives from a MD-RAID1 with LVM
i use a debian box with a MD-RAID1 with two drives and a LVM.
My problem is that, obviously, i#m only able to boot from the first drive, but not the second.
root@myhost:/home/myuser# fdisk -l
Disk /...
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How to remotely initiate netinstall of CentOS 7?
I've got 50+ machines running either CentOS 6.4 or 6.8. I wish to re-install these machines with CentOS 7 using a configuration script (for example using the "basic server" template and setting ...
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Find out exact location of GRUB / GRUB not working after copying disk image
I prepared an Ubuntu server image with VirtualBox. To transfer the image to the server's SSD I first dded the MBR (512 bytes) and then the LVM partition (PV containing the root partition shrunk to 3GB)...
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How do I add a boot parameter to grub2 in Ubuntu 10.10?
I got my Ubuntu server built and working, but I have to manually add a boot parameter ("no-hlt") into grub to start. I'm running maverick so it's grub2..and I can't figure out how to put it in so I ...
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How to add systemd.setenv in GRUB2
I would like to add systemd.setenv=NSS_HASH_ALG_SUPPORT=+MD5 parameter in grub2 for centos7?
I don't know which files I've to modify, and which lines I've to insert this parameter.
Thaks for your ...