Migrating to a mirrored raid using grub, grub and raid minihowto. This guide explains how to set up software raid1 on an already running debian squeeze system. How to set up software raid1 on a running system debian. In this example, we use virtual machine qemu or kvm. Using other tools has issues too below but regardless, they reformat the partitions, so i end up running the debian squeeze installer again. Installing grub2 on mdadm software raid in debian wheezy. Sep 27, 2009 changed bug title to grub pc misdetects md raid layout and fails to initialize from grub pc. It works fine and a raid device can even be used as the root file system.
Boot the install cd and select rescue mode under advanced options. I am attempting to install debian using the software raid raid 1. Another way to create a raid array is to not have a root filesystem on the system at all, but to boot from a usb device, or even netboot. Software raid on debian linux 14 january 2010 on hardware, filesystem, mdadm, monitoring, raid, linux. If the installation comes to partition method, use manual. This doesnt sound like a highend or traffic server to me, so the performance penalty probably wont be that hard. The problem is at the end of the installation, it tries to install grub. A guide to migrating to raid1 on a working debian sarge installation which was installed on a single drive. Grub dont support booting on a raid10 software raid.
So, i cant see how anyone can use the debian installer to setup raid. Rescue mode should be used with great care when software raid arrays were in use on the. There are four main partitions prior to the debian installation. Setting up raid on an existing debianubuntu installation. After grub software raid installation, machine fails to boot with first drive removed or blanked.
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. By default the system is set up for some sports of intel recovery raid. Mar 22, 2007 our team at linuxforce recently put together a debian server with lvm on a software raid5 volume. Enjoy debian with the raid set up for both boot and data such that even if one disk crashes you will be able to restore your configuration do not forget to give to your new disk partitions identical to the old disk and to copy grub to the boot partition if necessary. Using other tools has issues too below but regardless, they reformat the partitions, so i. Home how to set up software raid1 on a running system incl. This guide explains how to set up software raid1 on an already running debian lenny system. Today i will share some thought on software raid under linux with you. Debian user forums view topic installing fresh debian 5. Migration to amd64 debian lenny using software raid1. Our team at linuxforce recently put together a debian server with lvm on a software raid5 volume. This post will explain how to set up a nas server with debian running essential services such as ssh, samba, nfs, cups, rdiffbackup and rtorrent with a web interface.
I understand that grub legacy dont support ext4 while grub 2 dont support software raid. So, is it possible to have grub2efi work on lvm over raid1. This guide explains how to set up software raid1 on an already running lvm system debian lenny. I encountered one more problem that seems to be a bug in grub and is described here. Feb 03, 2016 by default the system is set up for some sports of intel recovery raid. Hot swapping scsi drives is not directly related to software raid, but it. How do i install grub on a raid system installation. 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. My guess is that it all depends on the type of raid. How to configure software raid1 during installation process. Install debian etch on a software raid 1 with sata disks.
Alexander kojevnikov blog diy nas with debian lenny. Grub v1 is the main 1 default bootloader on x86 platforms upto debianlenny. New server, sata disks, the hardware raid controller is not really supported. The debian squeeze installer allows for raid setup, but then tries to install grub2 to devsda instead of devmd0. Hi people,i am trying to install debian lenny betta2 on a system that has the built in promise chip for raid 0 but when i finished the install and then i reboot,i get grub loading, the unix and linux forums. Grub is the grand unified bootloader, a very powerful newish bootloader that can be used to boot most operating system on the intel platforms.
Actual screen shot from terminal of steps taken during rebuild on 10june2010 on debian lenny linux 1 check the partitions layout on the current hard disk srv1. The installation went on, but on reboot, i get a grub shell and i am stuck. Grub works with software raid1, so long as grub is installed on each disk. How to set up software raid1 on a running lvm system incl. Sep 26, 2017 how to install and configure debian 9. I understand that grublegacy dont support ext4 while grub2 dont support software raid. Grub configuration debian lenny page 3 bring your team together with slack, the collaboration hub for work. This time around, i will show you how to configure the software raid using debian. We configured zabbix to work with our mysql database but it should work with postgres or.
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. I parted the 65gb for debian, had a very similar setup almost identical as shown in that youtube video. Make sure that your grub configuration doesnt hardcode disks like hd0, but instead searches for the boot and root filesystems uuids. Get a debian installation cd for the same architecture i. Im not aware of support in grub to declare two disks as being in a raid1 array so that grubinstall would automatically write to both. Sometimes you need to store data relative save and high available. Given that linux software raid1 places a standard copy of a linux partition on each raid device, you can simply configure grub against the linux partition and, at a grub level, ignore. Debian releases debian lenny release information debian lenny installation. If you create a new raid device debian will not notice it on boot unless you also update the file etcmdadmnf. This guide explains how to set up software raid1 on an already running debian etch system. Nov 30, 2006 new server, sata disks, the hardware raid controller is not really supported. Siju rebuilding raid 1 array in linux with a new hard disk after a disk fault. Oct 26, 2017 ive followed this tutorial but used a knoppix 5. 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.
For installation images and documentation about how to install bullseye which is currently testing, see the debian installer page to install debian 10. This page contains some screenshots to demonstrate it, and applies to debian 5. Debian user forums view topic installing fresh debian. This has been possible through complex installation procedures in the past, but today the debian etch installer is capable of handling such an installation if you follow the proper steps, which i outline in this article. Debian user forums view topic solved cannot make grub2.
It seems that grub cannot read linux software raid devices which it needs to do to start the boot process. Debian provides both grub v1 and v2 more on debian bootloader. I get through the initial setup of the, hostname, fully quilified domain name, root password, new userpassword setup, and i get. As it turned out, this process was simpler then i initially expected. Some of these installation images may no longer be available, or may no longer work, and you are recommended to install squeeze instead. Migrating to raid1 mirror on sarge debian administration. Jan 14, 2010 software raid on debian linux 14 january 2010 on hardware, filesystem, mdadm, monitoring, raid, linux. Or is there some workaround to get grub 2 to work with raid. Installing fresh debian 5 lenny on raid 1 by robbo007. How to set up software raid1 on a running system incl. 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. Changed bug title to grubpc misdetects md raid layout and fails to initialize from grubpc. Nov 19, 2010 this time around, i will show you how to configure the software raid using debian. Grub configuration debian lenny page 2 build and develop apps with azure.
Installing grub2 on mdadm software raid in debian wheezyjessie. This also can be applied to ubuntu system as their are based on debian platform anyway. The setup went fine, but i could not boot from grub. Oct 04, 20 by milosz galazka on october 4, 20 and tagged with debian, system installation, system management, software raid recently i needed to setup software raid1 during debian installation process. While our chosen distributions ubuntu and debian include recent zabbix releases, i opted to install the latest stable release by hand directly from zabbix as some of the most recent functionality and performance improvements were of interest to me. Openslug is capable of raid support but nobody has tried it yet steinar adds. Also, they are switching to debian for the next version.
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