How to set up software raid 1 on a running system incl. If you have 2 x 500 gb hdd then total space become 1 tb. Running ubuntu on a fakeraid 1 array described how to adapt the original howto to a raid 1 mirroring array. The first raid we are going to configure is raid 1 for our swap space. Its pretty straight forward installing an operating system on hardware raid, but what if you want to use software raid. Unfortunately, this software doesnt come with most distributions by default. After building a software raid 1 array and installing the linux os. Mount the md0 raid device and use chroot and grub to install. By default it tries my first disk, which gives a fatal error. The installation completed, and when the system rebooted, the os didnt come up.
Ubuntus installer currently supports installation to software raid1 targets for boot. When the server is booting press shift to open the grub menu. Unable to install grub to software raid array in ubuntu. Solution for the purpose of this guide, i am assuming you are comfortable performing a normal ubuntu installation.
The mdadm utility can be used to create and manage storage arrays using linuxs software raid capabilities. How to set up software raid1 on a running system incl. But when you sit down, you run into this seemingly unsolvable problem you just cant seem to wrap your head around, even though it should be. The hardwares a bit old and was having trouble getting things to cooperate. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or redundancy characteristics. Mdadm is a commandline utility that allows for quick and easy manipulation of raid devices. Everything installs fine until i get to the boot loaders. How to set up software raid1 on a running lvm system incl. Raid allows you to turn multiple physical hard drives into a single logical hard drive. Datagridview bindingsource filter part 1 2 duration. Install ubuntu on a software raid array esecuredata inc.
As far as system useability, it doesnt suffer at all because of this configuration. In this tutorial, well be talking about raid, specifically we will set up software raid 1 on a running linux distribution. How to set up software raid 1 on an existing linux. Cannot install grub to raid1 md0 ask question asked 7 years, 5 months ago. Installing ubuntu with a software raid1 configuration. The raid software included with current versions of linux and ubuntu is based on. Uefi should be able to boot whatever disk hasnt failed, and grub install will write to the raid mounted at bootefi.
Installationsoftwareraid community help wiki ubuntu. While it is not necessary to configure raid 1 for swap space its highly recommended for the read performance boost. What im not sure of is if i need to go through and install the grub boot loader onto the rest of the hard drives, or. 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.
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 grub2 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. This guide explains how to set up software raid1 on an already running lvm system ubuntu 19. Setting up raid on an existing debianubuntu installation. 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. There are many raid levels such as raid 0, raid 1, raid 5, raid 10 etc. For this you will need to know what your kernel version is. R410 w software raid always boots to grub shell after. Raid stands for r edundant a rray of i nexpensive d isks. R410 w software raid always boots to grub shell after linux install appreciate the reply, but i just bit the bullet and installed ubuntu on a flash drive and use fstab to mount partitions of the assembled raid on different parts of the filesystem. With this program, users can create a software raid array in a matter of minutes. How do you ensure grub is properly installed on a software raid array in ubuntu.
Trying to install ubuntu server on a hardware raid 1 array instead of the native linux software raid. Neither grub nor lilo would install, so i carried on without a bootloader install. I am attempting to install debian using the software raid raid 1. 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.
In order to boot properly during the raid setup, we will need to create a temporary grub config file. Configuring software raid1 after installation of ubuntu 16. I hope this is the right place to ask for help, i really need someone who knows how to setup a software raid 1 with two gpt 4tb disks and installing the. Install grub bootloader on second drive this step is not necessary if you use ubuntu 9. 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.
Im not aware of support in grub to declare two disks as being in a raid 1 array so that grub install would automatically write to both. I think i messed up grub raid installation helpful. This should be your problem root hd1,0 filesystem type is ext2fs, partition type 0x83. We keep sets of ssds available in the lab so these drives can be considered well used at this point. I previously posted that i wanted to setup a server with raid. Following this, there are also no guides on installing the grub bootloader to both gpt partitioned devices afterwards.
Im trying to setup and install ubuntu on a raid 1 setup. Modify the automatically generated partition table. In case your next hdd wont boot then simply install grub to another drive. In this tutorial, youll learn how to install ubuntu server 16. On the next page, type in the number of disks that will utilize this raid and select. Then, select configure software raid and add a raid device for swap and root on their respective partitions. When you automatically partition the second drive, you will notice that the ubuntu installer deletes the efiboot.
This article describes how to setup a linux system that can boot directly from a software raid 1 device using grub. The problem is at the end of the installation, it tries to install grub. I did that but settled on a nonserver desktop install. If the two disks are devsda and devsdb, run both grubinstall devsda and grubinstall devsdb.
The goal is to setup a raid 1 device to mount as and to boot from. Create a raid1 mirroring array and install ubuntu 18. Install ubuntu with software raid mdadm for the installation, im using the live server installer for ubuntu server 18. 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.
Hypothetically, because of the dual grub initramfs installations, you also only need one device to be hooked up to a bootable port. This guide explains how to set up software raid1 on an already running lvm system ubuntu 18. Even if one of the disks in the raid array fails, the system can still boot. 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. This is a form of software raid using special drivers, and it is not. How do i install grub on a raid system installation. Installing ubuntu server with software raid 1 for this guide we are using two samsung 830 256gb ssds. My hardware raid controller is broken, so on the ubuntu partitioning manager i created a software raid 0 array. Youve got a box of new hardware and you cant wait to assemble everything to build the greatest server ever tm. Ubuntu software raid 1 on efi about all the things, but. I think i messed up grub raid installation youtube.
And i have already added the second drive to the system. This article was written by kent baxley, software engineer at canonical. This means youll need to run grub install again if you replace one disk. This guide explains how to set up software raid1 on an already running debian etch system.
1645 586 157 685 1111 1553 1522 1643 1413 561 398 473 1485 1571 1099 863 25 1082 743 1268 811 293 767 305 290 154 1244 30 1225 328