Software :: Monitor Software RAID With Nagios
Mar 7, 2011
I recently installed Nagios, mostly to monitor my software RAID1 (md0) and make it send me an e-mail when a disk fails.(I also installed Merlin and Ninja. But it didn't find localhost in the Ninja-web-interface, so I will use the Nagios-default-webinterface for the time being)I understand that raid monitoring (check_raid?) is a plugin but I find no good guides to install it. It feels like they are either skipping steps that they assume that everyone has already done or the guides are broken.Can someone guide me through getting raid monitoring in Nagios? I'm running CentOS 5.5
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Mar 31, 2011
What are the standard procedures to monitor asterisk with nagios? I downloaded check_asterisk from URL...
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Apr 12, 2011
anyone tell me how to monitor printers in Nagios
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Oct 1, 2010
I have a CentOS-5 Server with Nagios installed,through which I monitor three other servers.I want to monitor a Linux partition which is mounted under CentOS-5 server which has Nagios installed.
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Aug 6, 2011
i have installed Nagios XI server. now my requirement is to monitor below parameter of ms exchange server.
1) monitor server
2) services (pop,imap,smtp)
3) exchange mailbox size
4) Monitor mail queues on Exchange
if anybody has done above setup, so please share docs or related information.
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Jan 14, 2011
Yesterday i install nagios, after that i can successfully monitor my local machine disk usage and its services, but now i want to monitor remote host, but have no idea how to do this , i also google alot but not getting resource full explanation.so please guys tell me how can i monitor the remote host using nagios..
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Oct 20, 2010
Is there a way to monitor a wall outlet with nagios.I want to check if we got some power out of a wall outlet.This is to check whether we are running on the electricity network or on our diesel power generator.The wall outlet is connected only to the electricity network, so if there is no more power coming out of the outlet that mean that we are running on the diesel power generator.
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Apr 7, 2010
Trying to monitor mysql 5.0.77 with nagios 3.2.1 under CentOS 5.4. Everything with nagios has been running without a hitch for me, however, when I added the following to /etc/nagios/objects/localhost.cfg to try to monitor mysql, I get an error that reads "Running configuration check... CONFIG ERROR! Restart aborted. Check your Nagios configuration."
define service{
use local-service
host_name localhost
service_description MYSQL
check_command check_mysql
notifications_enabled 1
}
This is pretty much what I added to monitor other things on the server such as ftp and smtp, just switched out check_smtp with check_mysql, etc.
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Nov 15, 2010
I have installed nagios successfully also able to monitor windows hosts. but not able to monitor linux hosts. i have follow below procedure, installation part and evertything was ok.but still i am not able to see linux host under nagios. i followed below url for monitor linux hosts on nagios.URL...
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Jul 13, 2011
I am having individual Linux server and need to install nagios monitoring tool on the server. How to install on this linux server. I am using CentOS. Need to to monitor mysql and http services.
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Jan 14, 2011
Updating my install of OpenSUSE from 11.0 to 11.3 and notice that the Nagios network monitor can no longer probe servers with self signed certs.It appears to be any monitor that used openssl 1.0.0 has an issue. If I install the openssl 0.9.8 libraries and use old plugins linked against it, they work fine.
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Jan 12, 2010
I need to find a solution where I can monitor multiple sites at once and know when they go down. There are fraudulent sites (not mine I am in the infosec industry)
I have been playing with Nagios and Zabbix all day with not much luck. I have managed to get both installed and running and researched for hours. I just need to figure out how to add domain names to be monitored and I am stuck. I know you have to do it in the conf files but I cannot get a domain to show up?
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Jun 3, 2011
I have installed ubuntu on Vmware.I work in Lan environment and I have 2 local linux servers in my office.I have installed nagios on ubuntu.but nagios doesnt show other hosts in office.How to do I add other hosts in the office in nagios so that I can monitor network properly?
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May 27, 2010
configure nagios to monitor custom port on a remote linux server..
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Dec 29, 2010
I just want to know how to monitor urls using nagios.i.e running web applications under tomcat. can any one pleasAe provide me links or docs that narrates,how to configure nagios in a way to monitor our web applications. we already configured nagios for monitoring remote servers load,login details, disk space etc. But we could not find any documents for configuring nagios in order to monitor webapplications.
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Jul 9, 2011
Error: Cannot open log file '/usr/local/nagios/var/archives/nagios-07-08-2011-00.log' for reading!
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Aug 4, 2010
How to see the code behind the nagios plugin: Nagios Checker? I opened the folder which i have downloaded. After that where do i have to go to see the codes? Is it in App_Codes?
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Apr 8, 2010
I alrady set up centos5.4 on Dell R710 , My server set Raid5 ( 3 HDD ) . But I don't know how to monitor raid status.Centos have software for monitor hardware raid?
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Jun 6, 2011
I have 10.04 server with a linkstation raid 5 attached via usb. What is the best way to monitor the drives for a failure? Its at a remote site
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Jul 15, 2011
So we monitor all of our disk space, but only get pages for critical. What we would like to do is have one email sent to our team every month with all the "Warnings" for our disk. I have been searching and haven't found a way to do this. Any suggestions?
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Feb 1, 2011
Could any RAID gurus kindly assist me on the following RAID-5 issue?I have an mdadm-created RAID5 array consisting of 4 discs. One of the discs was dropping out, so I decided to replace it. Somehow, this went terribly wrong and I succeeded in marking two of the drives as faulty, and the re-adding them as spare.
Now the array is (logically) no longer able to start:
mdadm: Not enough devices to start the array.Degraded and can't create RAID ,auto stop RAID [md1]
I was able to examine the disks though:
Code:
root@127.0.0.1:/etc# mdadm --examine /dev/sdb2
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.00
code....
Code:
mdadm --create --assume-clean --level=5 --raid-devices=4 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2
As I don't want to ruin the maybe small chance I have left to rescue my data, I would like to hear the input of this wise community.
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Jul 18, 2011
I have a raid5 on 10 disk, 750gb and it have worked fine with grub for a long time with ubuntu 10.04 lts. A couple of days ago I added a disk to the raid, growd it and then resized it.. BUT, I started the resize-process on a terminal on another computer, and after some time my girlfriend powered down that computer!
So the resize process cancelled in the middle and i couldn't acess any of the HDDs so I rebooted the server.
Now the problem, the system is not booting up, simple black with a blinking line. Used a rescue CD to boot it up, finised the resize-process and the raid seems to be working fine so I tried to boot normal again. Same problem. Rescue cd, updated grub, got several errors: error: unsupported RAID version: 0.91. I have tried to purge grub, grub-pc, grub commmon, removed /boot/grub and installed grub again. Same problem.
I have tried to erased mbr (# dd if=/dev/null of=/dev/sdX bs=446 count=1) on sda (ide disk, system), sdb (sata, new raid disk). Same problem. Removed and reinstalled ubuntu 11.04 and is now getting error: no such device: (hdd id). Again tried to reinstall grub on both sda and sdb, no luck. update-grub is still generating error about raid id 0.91 and is back on a blinking line on normal boot. When you'r resizeing a raid MDADM changed the ID from 0.90 to 0.91 to prevent something that happend happened. But since I have completed the resize-process MDADM have indeed changed the ID back to 0.90 on all disks.
I have also tried to follow a howto on a similar problem with a patch on [URL] But I cant compile, various error about dpkg. So my problem is, I cant get grub to work. It just gives me a blinking line and unsupported RAID version: 0.91.
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Jun 29, 2011
migrate an installed Ubuntu system from a software raid to a hardware raid on the same machine? how would you go about doing so?
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Mar 22, 2011
How long does hardware Raid card (raid 1, 2 drives)take to mirror a 1 TB drive (500gb used)?Is there a general rule of thumb for this?4 hours? 12 hours? 24 hours?
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Aug 3, 2010
I am trying to connect a RAID Box to the server via LSI 8880EM2 RAID controller.The raid box is FUjitsu Externus DX60 with raid 1 configured.The server is Fujitsu Primergy SX300 S5 with LSI 8880EM2 RAID card.The external raid box is being recognised by the raid controllers bios.
The server runs CentOS 5.5 64bit. I have installed the megaraid_sas driver from LSI website and MegaCLI utility but CentOS still fails to see the box.MegaCLI utility, when launched from CentOS, recognises the raid box, CentOS does not(no mapping being created in /dev).
I have also tried to create a logical RAID0 HDD on one physical HDD(as seen by MegaCLI) with MegaCLI utility in CentOS.The result was success and the new logical drive could have been used, but when restarting the server, the controllers' bios fails with an error (not surprised(one logical RAID0 on one physical HDD)) and configuration is being erased.
Has anyone tried connecting 8880EM2 controller to a raid box with raid configured on the box, running it all under CentOS and what were the results.
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Nov 26, 2010
I have installed Ubuntu on my m1530 since 8.04 and currently dual boot Win7 and 10.10. I would like to dual boot on my PC, but I have run into a problem. I am not a pro at Ubuntu, but this problem I can not solve by reading forums like I have in the past.
I realize this is a common problem, but I have noticed people having success.
I have a M4A87TD EVO MB with two Seagate drives in Raid 0. (The raid controller is a SB850 on that MB) I use the raid utility to create the raid drive that Windows7x64 uses. I have 2 partitions and 1 unused space. Partition 1 is Windows, partition 2 is for media, and the remaining unused space is for Ubuntu.
I am running ubuntu-10.10-desktop-amd64 off a Cruzer 16GB flash drive that was installed via Universal-USB-Installer-1.8.1.4.
My problem like so many others is that when I load into Ubuntu, gparted detects two separate hard drives instead of the raid. I read that this is because kpartx is not installed on 10.10. I then went in LiveCD mode and downloaded kpartx from Synaptic Manager. Gparted still reported two drives. I opened terminal and run a few commands with kpartx. I received an error. (Forgive me I didn't write it down, but I believe it said something about a communication error. I will try again later and see.)
Currently I am reflashing the Cruzer with a persistence of 4GB. I am not familiar with this process, but I understand that my LiveCD boot will save information I download to it. I decided to try this method because I was going to install kpartx and reboot to see if this made a difference.
I am looking for any suggestions on a different method or perhaps someone to tell me that the raid controller or some hardware isn't supported. I did install ubuntu-10.10-alternate-amd64 on my flash drive, but fail to get past detecting my CD-ROM drive since it's not plugged in. If this method is viable, I will plug it in. I also watched the ..... video were a guy creates Raid 0 with the alternated CD, but it wasn't a dual boot and didn't use a raid controller from a MB.
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Jul 18, 2009
how can I create RAID 1+0 using two drives (one is with data and second one is new). Is it possible to synchronize data drive with empty drive and create RAID 1+0 ?
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Feb 28, 2011
If I have a windows installed in raid-0, then install virtualbox and install all my linux os,s to virtualbox will they be a raid-0 install without needing to install raid drivers?
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Jun 12, 2010
I have two 1TB hard drives in a RAID 1 (mirroring) array. I would like to add a third 1TB drive and create a RAID 5 with the 3 drives for a 2TB system. I have ubuntu installed on a separate drive. Is it possible to convert my RAID 1 system to a RAID 5 without losing the data? Is there a better solution?
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Dec 10, 2009
I am going to be using CentOs 5.4 for a home storage server. It will be RAID6 on 6 x 1TB drives. I plan on using an external enclosure which is connected via two SFF-8088 cables (4 drives a piece). I am looking to try and find a non-RAID HBA which would support this external enclosure and allow to use standard linux software raid.
If this is not an option, I'd consider using a hardware based raid card, but they are very expensive. The Adaptec 5085 is one option but is almost $800. If that is what I need for this thing to be solid then that is fine, I will spend the money but I am thinking that software raid may be the way to go.
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