Im trying to setup and install ubuntu on a raid 1 setup. Sometimes you need to store data relative save and high available. How do i install grub on a raid system installation. When i install linux mint or ubuntu it fails to install the boot loader or set the boot loader to boot. The best possible time to set this up is of course when you first install the operating. Debian squeeze on raid 0 and install grub2 gnu mailing lists.
Installing grub2 on mdadm software raid in debian wheezyjessie. At the end of the installation the installer asks to reboot. The raid 0 array works by breaking up data into chunks and striping it across. R410 w software raid always boots to grub shell after. Uefi should be able to boot whatever disk hasnt failed, and grub install will write to the raid mounted at bootefi.
I copied boot to tmp directory, destroyed devmd0 my boot with metadata 0. Sep 11, 2019 super grub2 disk helps you to boot into most any operating system os even if you cannot boot into it by normal means. I exercise myself to raid with debian and i have tested to remove one disk to see how debian react. The ubuntu live cd installer doesnt support software raid, and the server and alternate cds only allow you to do raid levels 0, 1, and 5. The best way to ensure that grub2, the default bootloader in debian and. Download grub2 packages for alt linux, centos, debian, fedora, mageia, netbsd, openmandriva, opensuse, pclinuxos, solus, ubuntu. The rest of the options you will have to discover them by yourself.
Hello, i wrote a script that allows me to install the distribution debian squeeze on a raid 0 but the script crashes when installing grub. Grub couldnt make windows boot it stalled on the final step. The system bios was set to boot scsi which meant it was booting the raid. Ive heard rumors that grub2 is able to support boot on raid 0, raid 1 or raid 5, metadata 0.
My understanding is that grub1 doesnt know anything about raid and so cant boot off any kind of raid array except for raid arrays that look like a non raid array. Install debian 10 buster to a native zfs root filesystem hn debian busterzfsroot. I too run raid1 on all my debian systems so ill add comments from my experience. I am attempting to install debian using the software raid raid 1. Even if one of the disks in the raid array fails, the system can still boot. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. The method i use is to boot another copy of grub from somewhere bootable cd, usb stick, or network boot its easy to boot grub from any of these. Installing grub2 with boot on software raid, andrey borzenkov, 20701. If you are interested in the cuttingedge version of gnu grub, for example, to test a newer version or to add new features, we strongly recommend giving the latest repository version a try. At this point the raid module built into the kernel will try to assemble your raid 1 array using a nonexistant drive and your secondary, or mirror, drive. To use this, you will need a machine with an internet connection. Reinstalling the grub boot loader the tao of debian. If the kernel panics because it can not mount the root drive, then the cause is almost certainly that your kernel is missing the mddegradedboot patch see section 4. Ive been running two disks in a raid 1 configuration, with grub installed on both disks, for some time.
These have shown up in a number of desktopworkstation motherboards and lowerend servers such as the hp dl360 g5, if ordered without the optional raid card. Install debian 8 on a lvm volume with type raid1 grub2 cant. Just to come to the grub loader and it coudlnt find any operating system. And then yes, you install grub s bootloader on all your drives so the server can boot from any of them.
Rockstor is a network attached storage nas and private cloud storage solution based on advanced linux technologies like btrfs, docker and others. To reinstall grub, you need either a live cdusb to access your current. This will recreate the boot loader for grub2efi in the efi system partition as bootefi and add an entry for it in the boot manager. In this article i will show you how to install grub customizer 4.
This page describes how to install debian using the serial ata raid. This page contains some screenshots to demonstrate it, and applies to debian 5. May 25, 2019 hello guy i need to install an ubuntu desktop with raid 1 software and i need to clarify points that i discovered were not so clair in my mind. If the two disks are devsda and devsdb, run both grubinstall devsda and grubinstall devsdb. Grub rescue, will not boot from mdadm raid, no such disk or device mduuid wrong. This article will provide an example of how to install and configure arch linux with a software raid or logical volume manager. Browse other questions tagged debian raid1 grub or ask your own question. I wanted to use both samsung drives as a raid 1 for my main installation, linux mint 18. What is held in this area is the stuff needed to read things like lvm and raid. The combination of raid and lvm provides numerous features with few caveats compared to just using raid. Grub2 for windows supports installation and boot on three platforms.
Installing grub2 with boot on software raid, wesley pa4wdh, 20705. Installing grub2 on mdadm software raid in debian wheezy. Raid 0 linux installation fails to install grub unix. My goal here is to be able to have a bootable, running system in the event of a disk failure. Is this a limitation of grub2, or of the os installers.
Grub configuration debian etch page 3 scan your webserver for malware with ispprotect now. For better performance raid 0 will be used, but we cant get the data if one of the drive fails. Furthermore, using bios fakeraid is not recommended linux software raid mdraid will be more reliable. Install grub2 on usb and hdd from windows aio boot.
Fixing debian uefi boot manager with debian live code bites. Gnu grub grand unified bootloader is a free and open source project that provides users with an easytoinstallandconfigure boot loader software for booting a single or multiple operating systems that are installed on a personal computer or laptop key features include support for real memory management, internationalization support, portability, support. Because it is not available via repository, we have to download the deb packages from launchpad and install the via commandline. The most common types are raid 0 striping, raid 1 and its variants mirroring, raid 5 distributed parity, and raid 6 dual parity. Data in raid 0 is stripped across multiple disks for faster access. Installing grub to a raid 0 array solutions experts exchange. This script installs an esp partition to every raid disk, accompanied with a corresponding efi boot menu. The best way to use two or more disks for swap as in this situation is to set both partitions to the type swap then in etcfstab, set them with the same priority. According to redhat staff grub doesnt support lvm raid1 it supports only raid 456 type iirc. If playback doesnt begin shortly, try restarting your device. How to configure a linux system to boot from a raid 1 device using grub, such as the system can boot even if the boot disk fails orand is removed. I have achieved a raid 0 dualboot, and break 1gbsec in both windows and linux. The problem is at the end of the installation, it tries to install grub. Home how to set up software raid1 on a running system incl.
Ubuntu kernel team mail archive please consider filing a bug or asking a question via launchpad before contacting the maintainer directly. I get through the initial setup of the, hostname, fully quilified domain name, root password, new userpassword setup, and i get to the partioning and software raid configuration. The only solution is to install operating system with raid0 applied logical volumes to safe your important files. Today i will share some thought on software raid under linux with you. Install ubuntu on raid 0 and uefigpt system github. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or redundancy characteristics. By default it tries my first disk, which gives a fatal error. I have a raid 0 setup striping via bios not through software raid. Debian 8 has some old interior, you could hit the same limitation, i wanted to find some official info about grub s limitations, unfortunately ive failed. I have an r410 with a sas6ir no dedicated raid card, 4x3tb drives, and it came preinstalled with windows. Setting up raid on an existing debianubuntu installation. Installing grub2 with boot on software raid, wesley pa4wdh, 20703.
In addition to loading the linux kernel, it implements the multiboot standard, which allows for flexible loading of multiple boot images needed for modular kernels such as the gnu hurd. So if you put this partition on the raid array, and that is the part that is used to read teh raid array. Im working at a small business that runs their own webmailfile server. Here there is a little video tour in order to discover most of super grub2 disk options. This guide explains how to set up software raid1 on an already running debian etch system. The grub bootloader will be configured in such a way that the system will still be able to boot if one of the hard drives fails no matter which one. In disk management is disk 2, we will remember number 2 here. This document explains how to set up debian gnulinux on a computer with your root partition on a raid volume managed with lvm. Grand unified bootloader legacy version grub is a gpled bootloader intended to unify bootloading across x86 operating systems. Now that your raid is finally configured and grub is happy, you can continue setting up your server. Find answers to installing grub to a raid 0 array from the expert community at experts exchange.
Installing xubuntu ubuntu debian to raid 1 via software raid mdadm december 16, 2019 ben stetson this is really just my notes, but im publishing them in the hopes that this can aid someone else in their install. Raid 0 was introduced by keeping only performance in mind. Hello guy i need to install an ubuntu desktop with raid 1 software and i need to clarify points that i discovered were not so clair in my mind. Aug 16, 2016 how to create raid arrays with mdadm on ubuntu 16. Nov 19, 2010 how to setup software raid in debian ubuntu. Apr 28, 2016 installing grub2 on mdadm software raid in debian wheezyjessie.
Rescatux is a debian gnulinux based live cd aimed at gnulinux and microsoft windows rescue tasks thanks to its graphical wizard named rescapp rescatux 0. Installing grub2 with boot on software raid, wesley pa4wdh, 20706. R410 w software raid always boots to grub shell after linux. I have installed ubuntu, debian and centos dozens of times, and each time i get sent to a grub shell not rescue. For software raid 0, i would think that if the size of grub which is written normally in the mbr is not bigger than the raid 0 stripe size, then it should not be any problem and grub could be written on the first physical drive seen by bios. If you have 2 x 500 gb hdd then total space become 1 tb. Jan 14, 2010 software raid on debian linux 14 january 2010 on hardware, filesystem, mdadm, monitoring, raid, linux. Raid levels and their associated data formats are standardized by the storage networking industry association snia in the common raid disk drive format ddf standard. Debian server does not get to grub on boot possible raid issue ask question asked 5 years, 11 months ago. I hit the same problem and today i managed to fix it. Depending on your internet connection, you may download either of the following. Install ubuntu with software raid 10 kreation next support.
Raid 10 is the fastest raid level that also has good redundancy too. If you are running debian, it is strongly suggested to use a package manager like aptitude or synaptic to download and install packages, instead of doing so manually via this website. This article describes how to setup a linux system that can boot directly from a software raid 1 device using grub. How to set up software raid1 on a running system incl. Since the command grubinstall devmd0 or grubinstall. Enable grub2s pata support to work around bios bugslimitation solarwinds mail assure helps your customers stay in control and protect their inbound and outbound email using collective threat intelligence. Sep 26, 2017 how to install and configure debian 9. In addition to standard nas features like file sharing via nfs, samba, sftp and afp, advanced features such as online volume management, cow snapshots, asynchronous replication, compression, and bitrot protection. Restoring grub2 on software raid 0 using livecd after windows 7 wiped it. The goal of this note is to fix the uefi boot manager located in the nvram for a debian installation, by using a debian live image to mount a broken system via chroot and then reinstall grub efi.
So i was disappointed that ubuntu didnt have it as a option for my new file server. When asked to install bootloader, install to first device. In this post we will be going through the steps to configure software raid level 0 on linux. However, since then lots more uefionly x86 machines were produced so we enabled it. The mdadm utility can be used to create and manage storage arrays using linuxs software raid capabilities.
Right now, my partition on my software raid 0 looks like. Sep 12, 2015 raid is a method of using multiple hard drives to act as one. That adds a lot of overhead that slows down raid and you dont need the redundancy on swap. The best way to use two or more disks for swap as in this situation is to set both partitions to the type swap then in. Debian server does not get to grub on boot possible raid.
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