Intel SR2500LX Chassis: Monitoring RAID Under Linux
Apr 23, 2008
I have bought an Intel SR2500LX server chassis with a S5000PAL mainboard running Centos. This system has an active backplane with a LSI MegaRaid chipset.
I'd like to be notified in the case of a drive failure but I'm totally stumped on how to get any monitoring working.
The only raid managment utility Intel supplies is a Java based monstrosity, which needs X-Windows to run and needs to be run continuously in order for the email notification to work.
Web based management can only be used from the same subnet as the server, so that's not very useful either.
I've contacted Intel support which gave me the advice to reboot the server and use the Bios utility if I want to check the Raid arrays consistency . Needless to say I'm very dissapointed, this server has every redundancy feature you can think of but it seems impossible to monitor the Raid under Linux.
Does anybody have experience with the Chassis and Raid monitoring under Linux?
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May 1, 2007
I've bought a chassis "SuperChassis 512L-260" from Supermicro. Now, I want to install an Intel Mainboard (Intel S3000AHV). It's only a testing server.
Which I/O shield do I need and where I can get it (am I able to change it?)?
Perhaps, I have to use a Supermicro mainboard?
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Mar 1, 2007
I was just wondering what everyone uses to monitor their RAID arrays? We are looking to get things setup so we can either 1) have the system send us an email when a drive in the array becomes degraded or 2) somehow tie the RAID monitoring in with our Nagios cluster to alert us.
We use Adaptec 2120S RAID cards with Seagate Cheetah hard disks. I looked at the Adaptec website a while back and found some sort of monitoring tool but was not able to download it after entering the card serial number as their site just timed out. I also see Adaptec offer a Storage Manager product.
What would everyone recommend? We are not looking for anything overly fancy here
All of our servers run CentOS 4.4.
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Jul 8, 2007
I am in a somewhat complicated situation... I wanted to order a custom server with hardware 3Ware RAID controller but after over a month of waiting I was told the HW RAID controller, as well as any other 3Ware controller they tried, does not work with the motherboard used in the server from Fujitsu-Siemens and that they simply got a reply from FS that the controller is not certified to work with their motherboard.
So although I'd prefer a HW raid, I am forced to either choose a different webhost or setup a software RAID. The problem is, I haven't done that before and am somewhat moderately...scared
I have read a lot of the info about SW RAID on Linux that I could find through Google but there are some questions unanswered still. So I thought that perhaps some of the more knowledgeable WHT members could help me with this problem...
The server specs will be:
Core2Duo E6600 (2.4Ghz), 2GB RAM, 6-8x* 250GB SATA II HDDs, CentOS 4.4 or SuSe, DirectAdmin
* I prefer 8 HDDs (or actually 9) over 6 but I am not sure if their server chassis can hold that many HDDs, I am awaiting answer from them. They don't have any other drives beside the 250GB ones so I am limited to those.
The preferred SW RAID setup is to have everything in RAID 10, except for the /boot partition which has to be on RAID-1 or no RAID I believe, plus one drive as hot spare (that would be the 9th drive). I am quite sure they will not do the setup for me but will give me access to KVM over IP and a Linux image preinstalled on the first HDD so that I'll have a functional system that needs to be upgraded to RAID-10.
How do I do that? The big problem I see is that LILO or GRUB can't boot from a software RAID-5/10 so I will have to mount the /boot partition elsewhere. It's probably terribly simple...if you have done it before which I have not. I have read some articles on how to setup a RAID-5/10 with mdadm (e.g. [url] ) but they usually do not talk about how to setup the boot partition. Should it be setup as a small sized (100-200MB) RAID-1 partition spread over all of the drives in the otherwise RAID-10 array?
What about swap? Should I create a 4-8GB (I plan to upgrade the server RAM to 4GB in near future) RAID-1 swap partition on each of the disks or swap to a file on the main RAID-10 partitions. The second sounds simpler but what about performance? Is swapping to a file on RAID-10 array a bad idea, performance wise?
Is it possible to grow a RAID-10 array in a way similar to growing a RAID-5 array with mdadm (using two extra drives instead of one of course)? mdadm doesn't actually even mention RAID-10 despite it does support it without having to create RAID-0 on top of RAID-1 pairs if the support is in kernel, from what I know.
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Oct 7, 2008
Intel Xeon 3200 series Quad Core VS Intel Core2Quad Q6600
What stood between Intel Xeon 3200 series Quad Core VS Intel Core2Quad Q6600?
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Jan 12, 2009
Intel Xeon 3210 2.1 GHz Quad Core/2Gb RAM/250 gb IDE/SATA /BW: 2000gb
DC ThePlanet
or
Intel Quad Core Q9400 4x2.66 ГГц/4Gb RAM/2x500 gb SAT/ BW: 2000gb DC Gnax/NetDepot
Server choice for hosting.
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Oct 6, 2009
Anyone have the latest Xeon 3460's, any comparison to the Core i7 920?
[url]
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Mar 7, 2007
Quote:
Today we are going to conduct a detailed study of RAIDability of contemporary 400GB hard drives on a new level. We will take two "professional" drives from Seagate and Western Digital and four ordinary "desktop" drives for our investigation. The detailed performance analysis and some useful hints on building RAID arrays are in our new detailed article.
[url]
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May 21, 2008
good remote management solution.
As the Intel vPro chip set looks very nice and has all this, what we need (remote power management, hardware analysis/informations, kvm, etc) we bought one main board with that chip set.
We had now the problem to find a software which has a good support for the Intel vPro chip set. We found and tried:
Intel AMT Developer Kit
LANDesk
Microsoft System Configuration Manager 2007
SyAM Software
The onliest software, which was install able and connect able at the moment, was the Intel AMT Developer Kit. Software like LANDesk and MS SysConfigMgr needs Windows Server Versions with and without Windows Domain. We succeeded (after fixing the requirements of each software) to install everything, but no software is able to connect to the vPro chip. Only the Intel AMT Developer Kit does.
The Intel AMT Developer Kit looks on the first look enough anf powerful. We can power on, off, reset, we see hardware informations, we can enter also the bios over remote console. But as soon as we want to start remotely a cd, for example simple memtest86 image, it doesn't gives any display.
Does someone of you has good experience in this system?
Has someone some suggestions, what software else is existing?
We want to manage linux/unix based and windows as well.
With manage we mean, to install and to maintain.
If here is some company, which can help us, also if it costs some money, we would be glad to get in touch.
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Apr 10, 2009
I am configuring an environment where several servers are going to boot from iSCSI.
The chassis will not have any local storage.
I am looking for cheap 1U chassis where I can plug in a decent PSU and a Super Micro X8STi-F with an Intel Core i7 proc.
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Mar 23, 2008
where to buy server chassis in Europe?
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Feb 14, 2007
Can anyone recommend a good 1U server chassis that is $100 or under?
Preferrably one already with a good/reliable power supply in it. Just something that will handle PentiumD or Athlon AM2 stuff & 2 hard drives.
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Jun 12, 2008
We are hosting our software system which do calculation and file manipulation.
Now we have Intel Core 2 Duo E6750 and would like to get Intel Core 2 Quad Q6600 to increase our system performance.
Also we have other choice, get Intel Xeon E5405 Harpertown 2.0GHz
to replace two above.
I think it is better to have one server box because one box easy to manage than two. Also Harpertown is much faster than these two together.
What is your opinion?
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Oct 16, 2007
We are using the SC512L-260B chassis for our lower end machines, what is a good recommendation for say Dual Opteron or Dual Woodcrest servers?
Looking 1U that will handle 2 drives, but would also like a recommendation for going with 4 drives (would this require 2U?). Hot swap not necessary.
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Jul 13, 2007
what type of motherboard can fit into a RM215/217 server? We purchased some of these from a Dutch supplier 2 years ago, and they were delivered with Tyan AMD motherboards with S939 CPU's.
These are used for file storage, and are running 3ware 9550-sx controllers. Tasks are only rsyncing, gzipping, and rotating backups. Problem is that this is now happening fast enough with the single Opteron 2Ghz CPU they are carrying.
I want to do something like this;
* Dual Xeon Nocona, 2.8Ghz etc as we have _many_ of these CPU's already
* Dual Opteron 250-252 etc
* If as fast as the Dual Nocona, maybe a Core2 Duo, although not sure what is available w/PCI-X
So, if anyone knows, or can give any ideas, OR has any Nocona-capable motherboards for sale in Amsterdam for sale, please let me know,
BTW I have already tried doing the x2 chip upgrade on one of these, and was not impressed. The motherboard which is in these machines now IIRC is a S8965 Tyan - which has 32 bit PCI slots. I believe one of the problems here is the controller needs a 64 bit PCI slot to sit on, as it's saturating the 32 bit PCI bus.
Disk config is 8 x 750G / 9550-sx - again all I need is
* gzip / tar / move the files around & delete them
* figure 3-4TB of data on each of these boxes
OS - RHEL 5
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Jul 13, 2009
Are there and decent tools that you use to keep an "eye" on your server to lookout for hardware issues?
E.g., it would be nice to get an automated email sent if a server's temperature went above X or if S.M.A.R.T. errors were detected with a hardrive, etc.
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Nov 3, 2007
Anybody knows a good console app. for monitoring hardware as CPU temperature etc.?
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Jul 8, 2008
I searched but I haven't found anything. I need a server/client software to monitor all my Linux VPS/Servers. Do you know anything easy to use and install. I want to have a main server that verifys all the others.
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Jan 27, 2008
Has anyone been using a 1333 FSB Core 2 Duo board in the SC512L that will fit without modification? Looking for something for mass use, I know some of the server boards will fit fine, wondering about some of the ASUS or Foxconn boards.
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Feb 20, 2015
I'm asking if there is a server monitoring tool that has easy install steps for Parallels Plesk 12.0.18 Upd #36 or any guide since my server is running slow and I need to collect some data in order to fix the issue.
I've tried Munin on my own but got this error during install process:
Transaction Check Error:
file /usr/share/man/man3/XML::SAX::Base.3pm.gz conflicts between attempted installs of perl-XML-SAX-0.96-7.el6.noarch and perl-XML-SAX-Base-1.04-1.el6.rf.noarch
file /usr/share/man/man3/XML::SAX::Exception.3pm.gz conflicts between attempted installs of perl-XML-SAX-0.96-7.el6.noarch and perl-XML-SAX-Base-1.04-1.el6.rf.noarch
I'm running CentOS 6.6.
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Feb 27, 2008
I have an AMD Sempron(tm) Processor 3000+ machine thats running Linux - CentOS.
I was wondering if anyone could recommend a good server/hardware monitoring script or app that will allow monitoring of the following items in real time. Also I'd like to
log and view the historical data. A script that stores this data in mysql database would be ideal.
Processor Temperature
Hard Drive(s) Temperature
Ram Usage - Overall
Ram Usage for each running Process/Service
CPU Usage - Overall
CPU Usage for each running Process/Service
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Sep 21, 2007
I am putting together a 1u Linux server. It's for VPS's.
I intend to use s/w RAID 1 with 2x 500mb harddrives. I am wondering if I am better off buying two different makes of disks, to mitigate the risk of bad batch of disks. Is there any disadvantage to this, i.e. is there a good reason to keep the disks identical?
O/S will be Centos 5 x64
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Apr 23, 2009
I have currently a server with a "Intel Core 2 duo e6640 2.4Ghz".
Now the company I'm at moving to a new data center and offering me a box for the same price with a Intel P3.4.
As I understand I would move from a two core to a single core CPU.
In the first move letter they send me, they where saying I would get a CPU plus, plus 1 GB mem more.
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Feb 1, 2008
I know on windows, you just add a new HDD, right click and select drive mirror, on an already fully operational box.
On Linux I know you can setup software raid during the initial installation.
Is there any way to add mirriroing of any kind on an already installed system?
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Aug 14, 2007
at implementing RAID 5 into my RHEL4 box, and am wondering what the best configuration would be. I'm not very familiar with LVM, but I've heard great things about it.
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Dec 21, 2008
I've just bought myself a linux based NAS for storage/backups at home and a couple of WD Greenpower (Non-RAID edition) HDDs.
For those who don't know what TLER is (Time Limited Error Recovery), without it enabled the HDD does its own error recovery, which may take longer than the acceptable time for a RAID Controller. In which case, the drive is kicked out of the array. With TLER on, the idea is that the drive keeps notifying the controller, or the controller handles the error.
So, my actual question is, does Linux Software RAID benefit from TLER being enabled? Or is it best to let the drive do it's own thing?
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Jun 19, 2008
I've been using it a bit at home and I've always bashed software raid, but gota say its quite impressive and very manageable. I could see it become super easy to deploy cheap raid without paying extra for a raid controller, with the right custom software.
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Mar 24, 2008
Is Motherboard RAID as good as a dedicated PCI-E card? I am guessing a dedicated card is the best option, though costs more.
We are looking at buying a barebones server from Supermicro. It features an onboard RAID controller which supports RAID 0, 1, 5 & 10 - but for some strange reason it will only support RAID 5 if you use Windows. Here is a link to the page detailing the RAID features.
[url]
We are going to be running Linux, CentOS 5.1, so we will only have the choice of RAID 0, 1 or 10. This isn't an issue, as having RAID 10 on 4x SAS (15k) drives will be fine for speed and stability. What is an issue is would this RAID controller be as fast or reliable compared to a dedicated PCI-E card? If it can only use RAID 5 in windows, does that suggest this controller is too reliant on software? It would be a nightmare to suffer downtime and data loss because the controller couldn't hack it during a drive failure, or one day it decided to bugger up the array when rebooting.
So that leads me to looking at this card, this looks very good for what we need. Are adaptec a reliable brand? I've seen it advertised for £200, which is a good price.
[url]
This card features RAID 5 and 6, would RAID 6 be better than RAID 10 for redundancy, or is it too slow to bother with? Also it seems to have a battery module available for it, what does this achieve? Cos surely if the power dies the hard drives and motherboard can't run off this little battery, or does it just help the controller stay alive long enough with some hard drive information in its memory if the power goes out during a rebuild?
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Sep 17, 2009
I could try the Software-RAID 5 of the EQ9 Server of Hetzner.
Does anyone here has experiences, how fast a hardware raid 5 compared against the software-Raid 5 is?
The i7-975 should have enough power to compute the redundnacy on the fly, so there would be a minimal impact on performance. But I have no idea.
I want to run the server under ubuntu 8.04 LTS x64.
On it a vitualisation like VMware the IO-Load could get really high.
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Jan 14, 2008
So I've just got a server with 2xSATA raid 1 (OS, cpanel and everything in here) and 4xSCSI raid 10 (clean).
Which one do you guys think will give the best performance:
1. Move mysql only to 4xSCSI raid 10
2. Move mysql and home folder to 4xSCSI raid 10
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Feb 25, 2009
How often do RAID arrays break? Is it worth having RAID if a servers hard drive goes down? I was thinking it may just be a better option to just have a backup drive mounted to my system and in the even of a system failure just pop in a new hard drive, reload the OS, and then reload all my backups?
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