Debian etch monitor software raid

How to monitor a raid array in ubuntu server sookocheff. Monitor raid arrays and get email alerts using mdadm. I dont know what the state of etch is at the moment, and i cant say about lenny. This guide explains how to set up software raid1 on an already running debian etch system. Hi, we have a dell poweredge 1750 server with 2 harddrives in raid 1 running debian etch. Usable space number of drives 1 size of smallest drive. Many of the horror stories that come to the linux raid mailing list are down to a simple lack of monitoring. We have n dom0s, and k domus, where we assume that k n. Problem with install debian etch on a software raid 1. Information about installing debian gnulinux etch andahalf using an updated 2.

In this tutorial, you will learn about upgrading debian linux server from etch to lenny over ssh session. Mdadm is the modern tool most linux distributions use these days to manage software raid arrays. Issues regarding software and hardware raid are no stranger to the ioflood blog, with articles discussing the relative merits of each, articles discussing why raid is important and so are backups, and so on. Raid5 requires a minimum of 3 drives, and all should be the same size. Jun 24, 2007 this is just a attachment of a howto of installing debian etch with a lvm stacked up a mirroring raid. Poweredge r200 raid status hi, im trying to set up some software to monitor the raid arrays in our dell servers dell openmanager is working fine on ubuntu 8. I want to configure the drives to be raid 0 for speed and performance data loss is not an issue here. Depending on the installation method you use, a mirror may be used to download additional components of the installer, to install the base system, and to set up the etcaptsources. Compared to other monitoring solutions, munin is a relatively straightforward tool.

Monitor raid arrays and get email alerts using mdadm posted on january 29, 2012. Disk partitions devhda1 and devhdc1 will be used as the members of the raid array md0, which will be mounted on the home partition. Mar 22, 2007 our team at linuxforce recently put together a debian server with lvm on a software raid5 volume. Apr 21, 2015 setting up software raid mdadm status alert emails for failed drives in centos, ubuntu, and debian posted in centos, debian, linux, raid, systems administration, ubuntu by gabriel on april 21, 2015. Setting up software raid mdadm status alert emails for. May 01, 2007 in this tutorial i will show people who are willing to switch to linux how they can set up a linux desktop debian etch in this article that fully replaces their windows desktop, i.

Emidio planamentes homepage linux root on lvm on software. Nov 15, 2011 raid5 requires a minimum of 3 drives, and all should be the same size. Setting up raid on an existing debianubuntu installation. Working pv149 purchased from bluecherry, with 2 cameras attached. So, if you are running a debianbased server and wish to monitor the state of your raid array you really dont have to do anything at all.

Install debian etch on a software raid 1 with sata disks. Oct 04, 20 how to configure software raid1 during installation process 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. Our team at linuxforce recently put together a debian server with lvm on a software raid5 volume. Some of these installation images may no longer be available, or may no longer work, and you are recommended to install lenny instead. The example below shows how to create a software raid1 array on debian systems. It turns out that, by default, a daemon job to monitor the array with the mdadm monitor command shown above is run at startup and will send mail to root for any strange occurrence. Installation on a debianbased linux distribution, such as ubuntu is trivial. I will use only 2 gb for root and the rest for storage. Another level, linear has emerged, and especially raid level 0 is often combined with raid level 1. Falko timme writes with the release of microsofts new windows operating system vista, more and more people are looking for alternatives to windows for various reasons. 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. Are there any way to detect if my server on debian 6 is using raid by hardware or software i have used some command but my server do not recognize them. I want to use smartd part of smartmontools to monitor the health of the drives and report errors to syslog which i monitor using logcheck. I too run raid1 on all my debian systems so ill add comments from my experience.

Monitoring your hardwares temperature debian administration. So we decided to use a software raid 1 for the two disks. This howto briefly describes how to install debian etch on lvm2 on software raid 1. Nov 19, 2010 how to setup software raid in debian ubuntu november 19, 2010 awang apandy 2 comments this time around, i will show you how to configure the software raid using debian. This can be done directly from the official etch dvd, without having to install the os on a classical partition and then move it to a lv residing on raid. Home how to set up software raid1 on a running system incl. Today i will share some thought on software raid under linux with you.

Yesterday one of the hardrives stopped working but no error. I will be recording the steps i take to compile zoneminder on debian etch as of dec 2007. This is just a attachment of a howto of installing debian etch with a lvm stacked up a mirroringraid. It provides the ability for one drive to fail without any data loss. That said, i do have a question i hope he or anyone else for that matter can answer.

I was not able to get this to work properly on the original etch installer. How to set up software raid1 on a running lvm system incl. Flavio henrique araque gurgel some people like to work in linux distributions that are at the cutting edge of technology. I dont have an easy way to test this right now only debian box that isnt remote, and is using software raid1 is in production at the moment, but im pretty sure i remember one or two cases in the past where one of my debian softraid boxes had a disk issue, and i think debian defaults to allowing it to boot with a degraded raid. Monitor disk health using smartd in smartmontools on a high availability software raid 1 server. Jan 29, 2012 monitor raid arrays and get email alerts using mdadm posted on january 29, 2012 in my desktop computer i use a software raid1 to protect against a data loss due to a hard drive failure.

Debian gnulinux is a free operating system which supports a total of eleven processor architectures and includes the kde, gnome and xfce desktop environments. It works fine and i am able to boot after disconnecting any single hdd. Debian etch, monitor the other two servers pita, debian lenny, export hard drive space to the network. It turns out you can configure mdadm to monitor the raid arrays and notify you via email when errors occur. To administer the software raid using webmin login as a. Check with your cmos hardware monitor probably by rebooting that the readings are correct, and if not, modify etcnf. This guide explains how to set up software raid1 on an already running lvm system debian etch.

Today some of the original raid levels namely level 2 and 3 are only used in very specialized systems and in fact not even supported by the linux software raid drivers. I installed etch on 2x 250gb sata disks acording to instruction that i found on this site. One of the three drives is a hot spare and the other two are active in the raid sets. I want both, and debian testing, codenamed etch, gives me that. The motherboard we bought asus a8vmx as the via vt8251 for sata controller. Mar 12, 2014 if you read my previous article detailing how to install hp acu cli on debian, then your next logical question might be, how do i monitor the raid array. Linux raid autodetect is deprecated no harm in using the partition type anyway, but its not required, raid is assembled by initramfs and you might have to update that whenever you change your nf, fstab. Can be used to create, manage, and monitor md devices. We have two sata drives and want to set it up on raid 1 with linux.

Creating software raid0 stripe on two devices using. If the installation comes to partition method, use manual. Searching the net will yield a multitude of solutions however, we are fans of simple small footprint solutions, so that is the approach we will take. Okay, its not unknown for several disks to fail simultaneously, and if your raid array consists of a bunch of drives all bought at the same time, for the array, the odds of that happening are painfully high batches of disks tend to have similar lifetimes. If you read my previous article detailing how to install hp acu cli on debian, then your next logical question might be, how do i monitor the raid array. We will learn how to configure software raid, how to examine raid devices, how to see the detail information about raid devices along with active components. Is it possible to build raid 10 with debians installer or i need to build raid 1 first in the installer then use mdadm later.

This time around, i will show you how to configure the software raid using debian. Grub configuration debian etch page 2 scan your webserver for malware with ispprotect now. What is the best practice for building software raid 10 under linux debian. May 28, 2010 it turns out that, by default, a daemon job to monitor the array with the mdadm monitor command shown above is run at startup and will send mail to root for any strange occurrence. We usually use software raid 1 mirroring, or occasionally software raid 5 blocklevel striping with parity data distributed across all member disks. Sep 16, 2011 monitoring hard drive and raid health posted on september 16, 2011 by eliot eshelman by default, you wont find out that one of your hard drives has failed until the data is gone. Raid is redundant array of inexpensive disks, used for high availability and reliability in large scale environments, where data need to be protected than normal use. Heres a quick way to calculate how much space youll have when youre complete. This page describes the not so intuitive process of reading data, even from a 3ware raid controller. How to configure software raid1 during installation process 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. Installing linux on a box with no monitor and no keyboard. Debian was ported to x8664 amd64 and support for the motorola 68000 series m68k architectures was dropped. Areca is a fairly new player on the sata hardware raid market, but they offer unprecedented features and have excellent driver support for linux. This time we are going to explain you here about the concept and configuration of software raid10 step wise in detail.

Many different implementations were available, we wanted to pick one that respect the spirit of opennms avoiding a script to be called on each check. My home machine has two identical sata drives in it. This cheat sheet will show the most common usages of mdadm to manage software raid arrays. In this howto the word raid means linux software raid. Is it possible to build raid 10 with debian s installer or i need to build raid 1 first in the installer then use mdadm later. Hi i need someone to tell me, what i am doing wrong. Creating software raid0 stripe on two devices using mdadm tool in linux part 2. Hi, first of all, i would like to thank falko for his very comprehensive how to set up software raid1 on a running systemhowto. Sometimes you need to store data relative save and high available. 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. Monitoring hard drive and raid health posted on september 16, 2011 by eliot eshelman by default, you wont find out that one of your hard drives has failed until the data is gone. New server, sata disks, the hardware raid controller is not really supported.

How to configure software raid1 during installation process. This also can be applied to ubuntu system as their are based on debian platform anyway. Software raid 5 in ubuntudebian with mdadm zack reed. The debian projects testing tree has uptodate software along with good stability, since packages are highly tested. How to set up software raid1 on a running system incl. For my software raid the contents of the file should look like. I dont have an easy way to test this right now only debian box that isnt remote, and is using software raid1 is in production at the moment, but im pretty sure i remember one or two cases in the past where one of my debian softraid boxes had a disk issue, and i think debian defaults to. As i mentioned earlier, the software raid configuration can be quite troublesome and. It also features cryptographic software and compatibility with the fhs v2. For fun and for learning, i would like to install debian on them i have experience installingusing debian. 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. Implementing effective debian linux monitoring with nagios offers increased server, services, and application availability as well as fast detection of network outages and protocol failures. How to monitor a raid array in ubuntu server kevin.

My problem is that i want to configure the drives to be raid 0 for speed and performance data loss is not an issue here. Menu software raid on debian linux 14 january 2010 on hardware, filesystem, mdadm, monitoring, raid, linux. Raid storage, so the drives will have raid 1 for boot, and raid 5 for data storage. Jan 14, 2010 software raid on debian linux 14 january 2010 on hardware, filesystem, mdadm, monitoring, raid, linux. This package automatically configures mdadm to assemble arrays during the system startup process. Ive read the software raid howto, but something isnt clear. In this tutorial i will show people who are willing to switch to linux how they can set up a linux desktop debian etch in this article that fully replaces their windows desktop, i. Raid is just a collection of disks in a pool to become a logical volume and. Setting up software raid mdadm status alert emails for failed drives in centos, ubuntu, and debian. Nagios xi provides complete monitoring of debian linux servers and workstations including operating system metrics, service state, process state, file system usage, and more.