CentOS 5 :: Monitoring And Configuring AHCI On Board Hardware RAID?

Nov 26, 2009

I am using Centos 5.4 on an Intel DG451D Main Board. Two SATA drives in RAID1 mode via the main board's built in AHCI controller. It seems to work just fine but I would like to be able to monitor the state of my drives and controller, especially during a re-build and make configuration changes etc if possible, so new drives can be added etc from within the OS. Is there a way to do this within Centos or am I stuck with using just the BIOS configuration system? Apologies if this is a stupid question - I am pretty new to this and have spent several hours trying to find a solution to my question but to no avail.

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CentOS 5 :: Shell Script For Raid Monitoring?

Aug 30, 2011

shell script for raid monitoring?just to send email when the raid has errors.

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Ubuntu Installation :: AMD AHCI RAID Disk Not Detected?

Mar 10, 2010

I want to install Ubuntu x86_64 or x86 to my computer.

I used Dekstop and Server Editions on other machines, installed succesfully but i could not install Ubuntu to my computer.

My hardwares are;

AMD Phenom II X4
Gigabyte GA-MA790GP-DS4h [SB750 - AMD AHCI Compatible RAID Controller]
2 x 250GB Seagate ST3250410AS @ Raid0

I installed Windows succesfully and i created 50GB partition for Ubuntu.

I tried to install Ubuntu, but disks are not detected in partition managing screen.

how can i install ubuntu?

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Hardware :: Best RAID Monitoring Utility?

Jan 18, 2010

I am looking for recommendations on monitoring RAID array status in a "hardware RAID" setup (ie, using a RAID controller card or RAID-enabled motherboard).Here are some clarifying points:

1. OS is CentOS 5.
2. No drive lights are visible on the exterior of the system. So periodically checking for amber lights (indicating drive failure) is not an option.
3. No SNMP manager/collector is available. This question refers to local-system options. Not network-based options.

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OpenSUSE Install :: Dmraid Vs Mdadm And RAID Status Monitoring?

Apr 22, 2011

I'm pretty new to FakeRAID vs JBOD in a software RAID, and could use some help/advice. I recently installed 11.4 on a brand new server system that I pieced together, using Intel RAID ICH10r on an ASUS P8P67 Evo board with 2500K Sandy Bridge CPU. I have two RAIDs setup, one RAID-1 mirror for the system drive and /home, and the other consists of four drives in RAID-5 for a /data mount.

Installing 11.4 seemed a bit problematic. I ran into this problem: [URL]... I magically got around it by installing from the live KDE version with all updates downloaded before the install. When prompted, I specified I would like to use mdadm (it asked me), however it proceeded to setup a dmraid. I suspect this is because I have fake raid enabled via the bios. Am I correct in this? Or should I still be able to use mdadm with bios raid setup?

Anyways, to make a long story short, I now have the server mostly running with dmraid installed vice mdadm. I have read many stories online that seem to indicate that dmraid is unreliable versus mdadm, especially when used with newer SATA drives like I happen to be using. Is it worth re-installing the OS with the drives in JBOD and then having mdadm configure a linux software raid? Are their massive implications one way or another on if I do or do not install mdadm or keep dmraid?

Finally, what could I use to monitor the health and status of a dmraid? mdadm seems to have it's own monitoring associated with it when I was glazing over the man pages.

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Ubuntu Installation :: Configuring RAID, LVM, PV On 10.04

Jul 17, 2010

configuring RAID, LVM and my physical volumes for a new 10.04 Server install (used mostly as a windows file server and print server). My hardware setup consists of 2 identical 500GB hard drives. My desired end state is:

An ext4 root partition (20 GB)
A swap partition (2GB)
A fat32 partition (450 GB) (to be accessed via Samba)
The above all to be on RAID1 across the 2 disks

The way I see it, the there are a number of possible ways to configure the above, and I am looking for some advice on the best (feasible) option: Create a single MD0 raid volume accross the entire two disks, and then create a single LVG across this, with 3 sepreate LVs, on for each partition above Create 2 physical volumes on each disk, create two raid volume on these (MD0, MD1), one for the LVG with two LVs for the Root and swap, a the other for the FAT32 partition (this seems like more work?) Other more suitable options?

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General :: Configuring With Software RAID

Jan 23, 2010

So I am a Microsoft ASP.NET developer during the day, but I've been growing fond of linux and had ubuntu at home until my computer exploded one day. True story, and it sucked.

I have rebuilt my computer and just got 3 drives today. I'm hoping RAID5 with mdadm will perform well enough to keep me happy.

I know it is possible to configure linux installations to save docs and stuff to a separate partition, but I don't actually know how, let alone with RAID5.

I am very fond of the idea of being able to wipe and install various distros of linux while maintaining all my docs and/or config settings (??).

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Ubuntu Servers :: Configuring 32gb Sd Card For Raid 1?

Dec 27, 2010

i am setting up a raid 1 on a netbook with the 30gb internal ssd as the primary drive and the 32gb sd card as the mirror. i am following the instructions here...

[URL]

i have several working raid 1 arrays under my belt using usb sticks and want to try something more advanced and practical now.i have configured the internal ssd with no trouble, however, the 32gb sd card is not showing up in the installer. so i cannot configure it as the mirror. my 2gb sd cards show up when i run the installer why doesn't the 32gb sd card? if i boot into a session the primary ssd the 32gb card does show up mounted on the desktop. it shown as a dos partition.

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Debian Hardware :: RAID As Multiple Disks - Configuring Array?

Dec 2, 2010

Alright, I have this issue on both SystemRescueCD and Debian Squeeze. I have an ASUS P5Q Turbo board that supports hardware RAID. If I configure an array and then start the Linux installer or boot the rescue CD, I get /dev/sda and /dev/sdb instead of an array. What gives? I need to start installing within the hour so I am desperate for an answer!

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CentOS 5 Hardware :: Connect A RAID Box To The Server Via LSI 8880EM2 RAID Controller

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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CentOS 5 Hardware :: 5.5 On An Intel S5500BC Board With RAID1?

Nov 23, 2010

I'm trying to load CentOS 5.5 on a new server with an Intel S5500BC motherboard using RAID 1. This board has a known problem with RHEL 5.x and the driver disk supplied has a fix. Here is the download for the driver [URL] Under the ESRT2_RHEL4-5_SLES9-1--11_v.13.21.2010_README file are directions in Section 3.1.3 on how to install the RHEL5x megasr driver. This works. The last thing replaces the ACHI driver with the megasr driver (paragraph 15) by loading the megasr.13.21.0614.2010-1-rhel50-u4-all.img in a temp file and then type "./replace_achi.sh". This step doesn't work and it is the critical one as it replaces the achi with megasr in the initrd image.

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CentOS 5 Hardware :: RAID Or Non-raid HBA Recommendation?

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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CentOS 5 Networking :: On Board Network Card Refuses To Run Gigabit?

Jun 30, 2009

I've just set up a PC with CentOS 5.3 runing on near identical hardware to an existing 5.2 machine. Motherboard is Asus M2A-VM which I discover by chance generally works very well with CentOS. Ethernet is on board Nvidia.The older machine just did run gigabit speed without any intervention at all, rather to my surprise. The newer machine insists on running at 100 Mbit which is annoying as it is connected to a NAS through a gigabit dumb switch.

The obvious difference between the two is that ethtool on the older machine says that supported ports are TP, and so the port is TP. Whereas the newer machine says that supported ports are TP or MII and insists on running MII. I cannot change this with ethtool -s eth0 port tp. Perhaps not too surprisingly, mii-tool says that the supported speeds range up to 100 Mbit.

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CentOS 5 :: Installer Crashes With On-board Realtek 8111DL Enabled

Oct 27, 2009

I have a Biostar TA785GE which as I understand it, has a Realtek 8111DL on-board.

Booting with the default label from the 64-bit installation DVD crashes before any user input, with indecipherable text on-screen (text mode, not X11). Symptoms were the same with the Fedora 11 32-bit installation DVD and the Fedora 12 Live 32-bit CD. Booting with "linux text" mode shows a kernel panic in ":r8169:rtl8169_init_one+0x369/0x9d4" from "pci_device_probe+0x100/0x180".

Disabling the on-board NIC allowed the boot to proceed, and get as far as detecting the hard drive partitions (where I stopped it since Ubuntu is installed).

Ubuntu 9.04 Workstation(Desktop?) install DVD worked fine, and I've installed it and am using it to enter this. From Ubuntu 9.04 on this hardware:

- "uname -r" shows
Linux snoopy 2.6.28-16-generic #55-Ubuntu SMP Tue Oct 20 19:48:32 UTC 2009 x86_64 GNU/Linux
- "lsmod | egrep '816|811'" shows:

[Code].....

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CentOS 5 Hardware :: Folks With A Tyan-Thunder-K8SR-S2881 Board?

Feb 17, 2009

Everything has been working fine but I recently installed a sata drive and lvm didn't see it. I'm sure its a driver issue. I'm running centos 5 on a Tyan-Thunder-K8SR-S2881 board. currently centos is running on an IDE drive. I tried several drivers for red hat distos 3 & 4 but no success for my sata drives to work.

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CentOS 5 Hardware :: Unable To Install 5.5 On Intel Desktop Board Dh55jp

Oct 6, 2010

installing CentOS 5.5 on intel desktop board dh55jp?i cannot install the centos on it.. either python got an error or halt on loading the OS...

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CentOS 5 :: Looking For Apache Performance Monitoring?

May 19, 2011

In Short: I want something that will show me which files and associated requested URLs are causing the highest load on our web server.

Verbose: We already monitor our Apache web server using Cacti, Nagios, and of course traditional nix commands, but I am looking for something specifically to take an Apache process ID and tie that to a users request for a specific file and URL. The great thing about something like this is that it would be able to show me the worse performing PHP files. Special bonus if it can store this data over time for reports.

I have been googling around for something like this but can't seem to find it. Bonus if it exists in Cacti or Nagios already and I'm just to blind. I started writing my own PERL script to do this, but have limited time to devote to this at work so if a solution already exists I'm game, else I'll just have to write it myself. I'm also worried about my own scripted solution in that it won't get it write because it will be leveraging the output of a specialzed apache log that records the PID and then doing a look up with ps aux looking for that PID.

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CentOS 5 Hardware :: Audio Via Optical S/PDIF Output On On-board RealTek ALC885 HDA?

Mar 29, 2010

I can not get any output from the digital optical S/PDIF jack on my on-board audio device. But I am getting an analog signal from the headphone jack. I don't have an RCA S/PDIF cable, so I haven't tested the RCA S/PDIF jack. Below are my system specs and hardware info.

According to my MOBO (DFI Blood-Iron P45) manual, the Audio device is:
Realtek ALC885 HDA CODEC
8-channel audio output
Optical S/PDIF-out and coaxial RCA S/PDIF interfaces

There are 6 phone jacks (including 1 mic), an RCA S/PDIF, and an Optical S/PDIF jack on the MOBO. The output of alsa-info.sh is here:[URL]... Note that I tried several model options (6stack-dig, 6stack-dig-demo, intel-alc889a, auto) for the snd-hda-intel module, but none worked,

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CentOS 5 Networking :: Ethernet Driver - Atheros (on Board) Is Not Shown In Network Ifconfig

Jul 7, 2011

I have installed CentOS. I have two ethernet card (one onboard and one PCI). I am able to set ip for realtek ethernet card and my atheros(on board) is not shown in network ifconfig shows only one ethernet card (PCI) hen i gave the command lspci i got the following output

01:00.0 Ethernet controller: Atheros Communications AR8132 Fast Ethernet (rev c0)
03:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)

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Server :: Monitoring Users On Servers - Centos 5

Feb 28, 2010

I'm looking for some sort of a way keep track of all of my users that are logging in to my server (centos 5), what I mean is this: at our firm we outsource some of our work (programing), now all of the developing is done under our servers, what I'd like to find is a way of taking all of the users log on time and display by days/weeks/months - so I could see how much did everyone had put in. Another thing that I'm looking for is a way to monitor an ongoing session and record user activity, now I've seen ObserveIT, but it doesn't support Linux agents as of today.

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Software :: How To Install Opsview (monitoring Tool) On Centos 5

Aug 11, 2010

how to installed opsview (monitoring tool) on centos 5.

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CentOS 5 Server :: Disable Application Monitoring In Redhat Cluster

Dec 22, 2010

I have added apache application into redhat cluster. If the apache process failed, it will cause the service group fail over. I want to disable the application monitoring. I search throung Internet and it depends on the apache init script. If I change /etc/init.d/httpd status always return 0(success). THe service group will not fail over even apache failed.

However, I want to remain the application monitoring but stop failover. If the application like apache failed, I want Redhat cluster to try restart the application like 3 or 4 times. If restart failed, it will not failover.

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General :: Monitoring Users' Download Information In The Proxy Server - OS Is CentOS

Jan 24, 2010

I have configured the proxy server. I want to observer users's download information. What should I need to do? Shall I install squint? what is the process? How do I monitor the users?

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CentOS 5 :: Send An Email To A Local Mail Server For System Monitoring

Dec 27, 2009

I have a CentOS 5.4 nas box that I want to monitor.

I believe I can setup mdadm to mail me when there are issues by addin the following line to /etc/mdadm.cong Quote:MAILADDR root

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CentOS 5 Hardware :: SW RAID - Raid Devices Larger Than Total Devices

Dec 7, 2010

I'm working on a server and noticed that the to RAID5 setup is showing 4 Raid devices but only 3 Total devices. It's on a fully updated CentOS 5 system that only has three SATA drives, as it can not hold anymore. I've done some researching but am unable to remove the fourth device, which is listed as removed. The full output of `mdadm -D /dev/md2` can be see below. I've never run into this situation before.Anyone have any pointers on how I can reduced the Raid Devices from 4 to 3? I have tried

mdadm /dev/md2 -r failed
mdadm /dev/md2 -r detached

but neither work and since there is no block device listed I'm not quite sure how to get things back in sync so it's only seeing the three drives.

/dev/md2:
Version : 0.90
Creation Time : Tue May 25 11:07:04 2010
Raid Level : raid5

[code]....

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Server :: Configuring RAID 5 Under Ubuntu Server 9.10

Jan 16, 2010

I have a problem configuring a RAID server under Ubuntu 9.10 (kernel 2.6.31.17) with mdadm (v2.6.7.1). First I had some hardware issues that finally got solved by using another motherboard. Now I am dealing with the software part.In order to ease things, I am trying to configure a RAID 5 with three partitions in one disk. I have two HD's, one IDE where the OS lies (recognized as sda), and another where I intend to build the RAID (recognized as sdb). In this second drive I have made three partitions (sdb1, sdb2 & sdb3) of the same size.I've already re-installed Ubuntu 9.10 a couple of times, zeroed the superblocks of the partitions, repartitioned the disks with different partition sizes (I am using 5 GB partitions to save time). I've gone through this process several times, and I really don't know how to move forward now. If RAID is about trust and reliability, this is exactly what I'm not able to get.

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CentOS 5 Networking :: Configuring A VPN On Centos?

Jul 10, 2009

I have to servers online, both are connected to a virtual rack and both have public inet IPs. The thing is that I want the communication between the servers to be handled locally. This is my ifconfig from one of my servers,

eth0 Link encap:Ethernet HWaddr x:x:x:x:x:x
inet addr:x.x.x.x Bcast:x.x.x.x Mask:255.255.255.248
inet6 addr: fe80::21d:9ff:fef1:e665/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:114342 errors:0 dropped:0 overruns:0 frame:0

[Code]...

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CentOS 5 Hardware :: Error Installing CentOS 5.2 On ICH7R With 4 SATA HDDs RAID 5?

Feb 15, 2009

The installer can't see my raid controller (I assume) as I'm getting the following error:"Error opening /dev/mapper/isw_jbhgjgjj_Vol0: No such device or address"It just sees them as 4 individual drives: sda, sdb, sdc and sdd.Please note that I have set up the RAID 5 in the controller bios interface and the image name is Vol0, which it seems that it tries to load but for some particular reason it can't.I have also tried different bios settings and nothing worked.

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CentOS 5 Hardware :: Installing CentOS 5.4 X86_64 On Adaptec RAID 3405

Jan 13, 2010

My problem is that I'm trying to install CentOS 5.4 x86_64 DVD ISO on Supermicro X7SBI server with installed Adaptec RAID 3405 controller.

I created RAID 5 array and is working fine (adaptec status says Optimal) but I can't install CentOS to that array (1.5TB size).

Whenever I try to install with: linux dd

I'm asked for a driver, which I have downloaded from Adaptec site and extracted contents to USB drive (in installation found as /sba1) which has now a lot of IMG and some ISO files on it.

I try to load (I simplified names) RHEL5.img, CENTOS.img... with x64 names (one exact name: aacraid driverdisk-CentOS-x86_64.img) and I always get the error message: "No devices of the appropriate type were found on this driver disk"

This is going on for a week now and I can't find the right driver or something I'm doing wrong to get install done.

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CentOS 5 Hardware :: Installing Centos 5 On HP DL380R05 E5420 With RAID-1?

May 7, 2009

I need your help urgently. I will shortly install Centos 5 on a HP DL380R05 E5420 Server with two HP 146GB 10k 2.5 SAS HP SP hard disks running hardware RAID-1. I am a newbie on CentOS, please advise me:

1. Do I need a Centos RAID device driver for hardware RAID-1 on the HP DL380R05 E5420 Server?
2. Should I use Centos i386 or Centos x86_64 in this case? Which one: CentOS 5.2 or CentOS 5.3?
3. Does Centos support Embedded NC373i Multifunction Gigabit network cards?

The following is my server's hardware configuration:

HP DL380R05 E5420 2GB Base AP Server(1) Quad-Core Intel Xeon Processor E5420 Two Embedded NC373i Multifunction Gigabit / 2 GB (2 x 1 GB) PC2-5300 Fully Buffered DIMMs (DDR2-667)/HP Smart Array P400/256MB Controller /Rack (2U)/Hot Plug Fully Redundant Fans Standard Two HP 146GB 10k 2.5 SAS HP SP HDD HP 1000W IEC C14 Cord RPS Kit

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