Unable to install grub to software raid array in ubuntu server fault. Grub for software raid howtoforge linux howtos and tutorials. Dec 10, 2016 its pretty straight forward installing an operating system on hardware raid, but what if you want to use software raid. Solution for the purpose of this guide, i am assuming you are comfortable performing a normal ubuntu installation. I have a dell poweredge r240 i would like to install ubuntu server on. How to set up software raid 1 on an existing linux distribution. Nov 28, 2019 following this, there are also no guides on installing the grub bootloader to both gpt partitioned devices afterwards. What i have donei have created partitions in the installer with. Raid 0 linux installation fails to install grub unix. When this happens, using software raid, the operating system will place the array into what is known as a degraded state. Now i cant boot system without drive attached to server. Anytime ive tried to raid the boot partition, the grub install fails. Then i started the ubuntu server installation, where i created the swap and raid volumes, before finally creating two raid 1 arrays for these two partitions. My hardware raid controller is broken, so on the ubuntu partitioning manager i created a software raid 0 array.
Ubuntu install fails at grubinstall devsdb step with software raid. Everything installs fine until i get to the boot loaders. This will be helpful when one hdd fails theres still a working grub. Its important to note that while grub can read a software raid 1 array, it cant read software raid 5 arrays. 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. Ill get the alternative installer downloaded and burned, then try that tomorrow. The machine is an older shuttle box ive had tucked away in various places over the past few years. This section will guide you through installing ubuntu server edition using two raid1 partitions on two physical hard drives, one for and another for swap. Since raid hardware is very expensive, many motherboard manufacturers use multichannel controllers with special bios features to perform raid. Neither grub nor lilo would install, so i carried on without a bootloader install. I cant help with installing grub now but what i did to get my raid running is i followed this instruction. Following this, there are also no guides on installing the grub bootloader. Once the initramfs has booted there is a fifteen second prompt giving you. Raid 10 is the fastest raid level that also has good redundancy too.
Aug 16, 2016 in this guide, we will go over a number of different raid configurations that can be set up using an ubuntu 16. Jul 27, 2019 i have 1 tb disks that i partitioned into 2 slices, 1 for the os no raid and 1 on all 3 for raid 5. If you have 2 x 500 gb hdd then total space become 1 tb. There are a few minor differences between doing this on 14.
Unable to install grub to software raid array in ubuntu. The most important tool for setting up raid is mdadm. The ubuntu 8 server system are installed on raid1 and rebooted successfully. This is a guide to installing software raid 1 mirroring on a remote ubuntu server with no. Im trying to set up ubuntu server for the first time and am running into problems. Find answers to software raid 5 ubuntu grub error 2 from the expert community at experts exchange. In the grub rescue command line interface, you can list the hard drives and partitions you have installed with the following command. This is a form of software raid using special drivers, and it is not necessarily faster than true software raid. Having seen our plain and simple install of ubuntu 12. Installing grub2 on ubuntu with software raid mirroring server fault.
In case your next hdd wont boot then simply install grub to another drive. Mar 17, 20 having seen our plain and simple install of ubuntu 12. In this tutorial, youll learn how to install ubuntu server 16. 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. When i install linux mint or ubuntu it fails to install the boot loader or set the boot loader to boot. Ive made the raid5 partition over 6 2tb hard drives, but when i go install grub i end up with errors. Does grub2 really support putting boot on a software raid1 partition with 1. This section will guide you through installing ubuntu server edition using two raid1 partitions on two physical hard drives.
How to rescue, repair and reinstall grub boot loader in ubuntu. Following this, there are also no guides on installing the grub bootloader to both gpt partitioned devices afterwards. Sep 15, 2017 how to setup software raid for a simple file server on ubuntu aviad updated september 15, 2017, 3. I can bypass grub and finish the installation, however when i boot up i just end up with a blinking cursor. I cant help with installing grub now but what i did to get my raid. Configuring software raid1 after installation of ubuntu 16. In order to complete the steps in this guide, you should have. This guide will show how one can use mdadm to install ubuntu server on a raid 1 setup.
The goal4 x 4tb hard drives in raid 10 with ubuntu 18. The raid software included with current versions of linux and ubuntu is based on the mdadm driver and works very well, better even than many socalled hardware raid controllers. Introduction installing ubuntu server on dell poweredge and poweredgec servers that utilize intel matrix raid arrays biosfw raid intel corporation patsburg sata raid controller can be a tricky and sometimes frustrating process. Software raid 5 ubuntu grub error 2 solutions experts. Installing ubuntu server with intel matrix raid arrays dell us. Jul 09, 2018 in this guide, we will go over a number of different raid configurations that can be set up using an ubuntu 18. Oct 15, 2016 configuring software raid1 after installation of ubuntu 16. I first set up gpt tables on all drives, and then created the 1 mib partitions called devsda1 and devsdb1 for grub. The steps in this guide will be completed with a sudo user. Then i will discuss some of the common grub rescue commands. Then, select configure software raid and add a raid device for swap and root on their respective partitions. Im using the live server installer for ubuntu server 18. Does grub2 really support putting boot on a software raid5 partition. The raid software included with current versions of linux and ubuntu is based on the.
I have a raid 0 setup striping via bios not through software raid. Proceed through the installer until you get to filesystem. This means that if you choose to have a raid 5 array for your root partition, you will need to make a separate partition for the boot directory that isnt raid 5 for grub to use. Install ubuntu with software raid mdadm for the installation, im using the live server installer for ubuntu server 18. Setting up raid on an existing debianubuntu installation. This short guide explains how you can configure software raid1 during the initial installation of an ubuntu 8.
I accidentally installed grub on usb flash drive during ubuntu server installation. Software raid 5 ubuntu grub error 2 solutions experts exchange. A nonroot user with sudo privileges on an ubuntu 16. This is a form of software raid using special drivers, and it is not. Install ubuntu on raid 0 and uefigpt system github. If you choose to cause the installing of the many packages in a lamp server, for example.
How to set up software raid 1 on a running system incl grub. Installing ubuntu with a software raid1 configuration life. Should i be using a usb thumb drive as the boot partition. I realize this might post a problem now as i can not seem to select a boot partition. Installationsoftwareraid community help wiki ubuntu.
After installing the server based on the perfect ubuntu server 8. But when i tried to load the grub boot loader onto the second disk with these steps, reboot the server from the original ubuntu server cdrom from the ubuntu boot menu, select rescue a broken system at the screen device to use as a root file system appears. Install ubuntu on a software raid array esecuredata inc. The easiest method i found was to use a usb drive to host the bootloader. How to set up software raid1 on a running system incl. Installationremoteupgradetosoftwareraid community help wiki. When the server is booting press shift to open the grub menu. How do you ensure grub is properly installed on a software raid array in ubuntu.
This article was written by kent baxley, software engineer at canonical. I have read many articles that dont include raiding the boot partition and they suggest installing grub onto all of the disk incase they get rearraged or fail. Ive heard rumors that grub2 is able to support boot on raid 0, raid 1 or raid 5, metadata 0. Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. If the two disks are devsda and devsdb, run both grubinstall devsda and grubinstall devsdb. When i first tried booting it, the grub screen came up, but selecting any kernel resulted in an endless stream of system messages, and i never got to login prompt. If the array has become degraded, due to the chance of data corruption, by default ubuntu server edition will boot to initramfs after thirty seconds.
How to create your own video conference server using jitsi meet on ubuntu 18. Trying to install ubuntu server on a hardware raid 1 array instead of the native linux software raid. Hello all, ive been having a frustrating time installing ubuntu server. If youre building a server, the server install iso includes the necessary options. How do i install grub on a raid system installation. Create a raid1 mirroring array and install ubuntu 18. So i was disappointed that ubuntu didnt have it as a option for my new file server. How to set up software raid 1 on a running system incl grub 2 configuration.
The reason for this post is i havent been able to find a guide for using mdadm in the ubuntu live server installer to create a raid1 partition. Home how to set up software raid1 on a running system incl. I want to overwrite the os with ubuntu server, but i dont think i can reclaim. How to setup software raid for a simple file server on ubuntu.
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