Sep 26, 2017 how to install and configure debian 9. Linux create software raid 1 mirror array last updated february 2, 2010 in. Using other tools has issues too below but regardless, they reformat the partitions, so i. My experience installing centos 5 and centos 6 is that during the installation phase i configured the raid1 at that time the installation does give you the choice to do this. Debian software raid1 without recompiling mini howto. How to configure software raid1 during installation process.
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. Is it possible to mount one of the partitions from half the ufs mirror onto one of my debian machines. Nov 30, 2006 new server, sata disks, the hardware raid controller is not really supported. I have my system setup with 2x 80gb ide hdd devhda. I figure that its all there its just that the disk might have some metadata on it getting in the way. Debian releases debian lenny release information debian lenny installation. Changed system type of partition 1 to fd linux raid autodetect. Versia has a comprehensive guide to setting up debian 5. I just accidentally just discovered that most of the links under devmapper are missing, though my system seems to be still functioning correctly im not sure what happened. If the installation comes to partition method, use manual. Mar 22, 2007 our team at linuxforce recently put together a debian server with lvm on a software raid5 volume. Jun, 2017 there are so many levels are there for raid and each level comes with some new invented features. There are four main partitions prior to the debian installation. There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with.
In my experience when you setup hardware raid 1 you should only see 1 disk. Our logical volume lv will use some disk space from vg1which belongs to md0. Today i will share some thought on software raid under linux with you. Migrating from i386 debian etch to amd64 lenny using existing software raid1 configuration last update. Major upgrades include the linux kernel going from version 3. Im using debian squeeze, and running lvm on top of software raid 1. Raid 1 offers data redundancy, without the speed advantages of raid 0. Configuration debian etch this guide explains how to set up software raid1 on an al. Some time ago i decided to try 64bit version of debian. Debian user forums view topic installing debian lenny. I just accidentally just discovered that most of the links under devmapper are missing, though my system seems to be still functioning correctly.
I have connected these two drive to ports 1 and 3, enabled raid in my bios and created a container with both of the drives to use raid 1. We just need to remember that the smallest of the hdds or partitions dictates the arrays capacity. If you look at the result of the command df h and you are using the mdmadm software raid 1 then you can only see the devmdx partitions. Embarrassingly, i no longer have the root or any other password on that machine which means that i cant get to some files id like to. The latest minor update, called a point release, is version 9. The example below shows how to create a software raid1 array on. I did the install on a debian testing system lenny amd64, but ive checked that everything applies to etch as well.
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. Linux create software raid 1 mirror array nixcraft. One thing that consistently troubles me is that after my preseeded disk recipe creates linux raid 1 devices, the installer warns me about how the kernel could not reread the partition table on each md device. Debian lenny with ich6r controler raid 1 sata drives.
If the disks are not brand new, mdadm will detect the previous filesystem when creating the array and ask if you want to continue. Debian user forums view topic installing fresh debian. We can use full disks, or we can use same sized partitions on different sized drives. Hello all, been playing around to try and install debian 5 on an ide raid 1 setup. Setting up raid on an existing debianubuntu installation. The server has an ipmi ethernet interface so that the system can be viewed remotely in real time. So we decided to use a software raid 1 for the two disks.
I did the install on a debian testing system lennyamd64, but ive checked that everything applies to etch as well. In our earlier articles, weve seen how to setup a raid 0 and raid 1 with minimum 2 number of disks. I have read, think i understand, and plan to follow stephen allens wonderful howto on installing debian linux on an old world macintosh powerpc, using bootx and the files linked to in the article mini. I have my system setup with 2x 80gb ide hdd devhda devhdb and launch the initial install, from here can i create the array and then use it as a bootup drive to install my file system. The release included many major changes, described in our press release and the release notes debian gnulinux 5. Where possible, information should be tagged with the minimum. How to configure a soft raid1 using debians wheezy b4. Linux mdadm raid is very enterprise class, but you still have to know what you are doing.
This guide explains how to set up software raid1 on an already running debian lenny system. Alexander kojevnikov blog diy nas with debian lenny. Home how to set up software raid1 on a running system incl. How to set up software raid1 on a running system incl. How to set up software raid1 on a running lvm system incl. I understand that formatting has to be done on the md devices and not on sd please tell me if this is wrong. Aug 23, 2014 setting up raid 1 mirror on linux mint xfce or any debian based linux boot into debian linux distro from live disk or usb drive this is done with 2 500 sata drives using mine as a small cheap file server open terminal sudo su dd ifdevzero ofdevsda bs1048576 dd ifdevzero ofdevsdb bs1048576. One thing that consistently troubles me is that after my preseeded disk recipe creates linux raid1 devices, the installer warns me about how the kernel could not reread the partition table on each md device. Sometimes you need to store data relative save and high available. Jan 14, 2010 software raid on debian linux 14 january 2010 on hardware, filesystem, mdadm, monitoring, raid, linux. The setup went fine, but i could not boot from grub. Recover software raid1 after hdd failure on debian squeeze. Debian user forums view topic installing fresh debian 5.
For a normal installation of debian or ubuntu, you can refer to the links below for initial steps until the hard disk partitioning. Solved how to convert linux box with software raid5 to. That said, linux software raid is more robust and better supported and. Install debian etch on a software raid 1 with sata disks. Benchmarking linux filesystems on software raid 1 lone. The example below shows how to create a software raid1 array on debian systems.
Apr 28, 2017 how to create a software raid 5 on linux. Fakeraidhowto community help wiki ubuntu documentation. Configure lvm lets configure the logical volume manager. The default linux kernel included was deblobbed beginning with this release. 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. Nov 19, 2014 raid 10 is a combine of raid 0 and raid 1 to form a raid 10. This site is the linux raid kernel list communitymanaged reference for linux software raid as implemented in recent version 4 kernels and earlier. 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. How to create a software raid 5 in linux mint ubuntu.
Setting up raid 1 mirroring using two disks in linux. I would like to set up debian lenny as a file and web server on my lan, on an apple 9600. Jun 11, 2016 installation of gnulinux debian 8 on a real hardware server using raid 1 mirroring. Promox ve installation on a raid1 proxmox support forum. Security updates have been discontinued as of february 6th, 2012. It should replace many of the unmaintained and outofdate documents out there such as the software raid howto and the linux raid faq. Grub works with software raid1, so long as grub is installed on each disk. Setting up raid 1 mirror in linux mint or any distro. The debian installer will set everything up for you if you choose that option and. However i am confused as when i was running my debian lenny amd64 install and i got to the disk partitioner i saw devsda and devsdb. I parted the 65gb for debian, had a very similar setup almost identical as shown in that youtube video.
Migration to amd64 debian lenny using software raid1. Some of these installation images may no longer be available, or may no longer work, and you are recommended to install squeeze instead. Setting up raid 1 mirroring using two disks in linux part 3. To setup raid 10, we need at least 4 number of disks. As it turned out, this process was simpler then i initially expected. A disadvantage of softwarebased raid 1 is that the server has to send data twice to be written to each of the mirror disks. The web browser chromium was introduced and debian was ported to the kfreebsdi386 and kfreebsdamd64 architectures while that port was later discontinued, and support for the intel 486, alpha, and parisc hppa architectures was. Installing grub2 on mdadm software raid in debian wheezyjessie. Usually software raid does not translate from one os to another. New server, sata disks, the hardware raid controller is not really supported. Installing fresh debian 5 lenny on raid 1 help with issues regarding installation of debian.
Been playing around to try and install debian 5 on an ide raid 1 setup. How to make a software raid 1 without recompiling in debian. So, i cant see how anyone can use the debian installer to setup raid. Here we will use both raid 0 and raid 1 to perform a raid 10 setup with minimum of 4 drives.
Grub configuration debian lenny page 2 scan your webserver for malware with ispprotect now. Become a supporter make a contribution via paypalbitcoin. The release included many major changes, described in our press release and the release notes. 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. 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. Im not trying to recreate the mirror itself, only pull data from one side of the mirror if i understand your meaning. This guide explains how to set up software raid1 on an already running. Hot swapping scsi drives is not directly related to software raid, but it is a common task when working with raid. Show 1 some raid examples 2 booting off raid1 3 updating nf 4 hot swap scsi. Disk partitions devhda1 and devhdc1 will be used as the members of the raid array md0, which will be mounted on the home partition.
Installing linux on software raid 1 kezhongs weblog. Debian 9 stretch was released on 17 june 2017, two years and two months after debian 8. The debian squeeze installer allows for raid setup, but then tries to install grub2 to devsda instead of devmd0. Nov 19, 2010 as i mentioned earlier, the software raid configuration can be quite troublesome and time consuming, but at least it is reliable and save a lot of cost when buying a hardware raid instead. When doing write speed benchmark, the files were read from the raid5 unit which can read at about 150 mibs, much faster than the 3ware mdadm raid 1 is able to write. In enterprise systems, software raid is standard and hardware raid is uncommon. Not sure if it can be done via the installer or if im doing it correctly. Rescue mode should be used with great care when software raid arrays were in use on the. This guide explains how to set up software raid1 on an already running lvm system debian lenny. Windows software raid is weak and many windows people end up with fakeraid as their introduction to software raid and get burned. This page contains some screenshots to demonstrate it, and applies to debian 5. Installation of gnulinux debian 8 on a real hardware server using raid 1 mirroring. Im setting up an environment to install many lenny machines at once and i need to avoid any dialog with the process, corner cases aside. With a hardwarebased solution, the server cpu sends the data to the raid disk controller once, and the.
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