Computer hardware is the collection of physical elements that comprise a computer system.

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'Memory read error',Sever hardware error?

hello I got a error about my server which is running CentOS5.5. MCE 20 HARDWARE ERROR. This is *NOT* a software problem! Please contact your hardware vendor CPU 1 BANK 8 TSC 6ab9ff9745f62 [at 2394 ...
3
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1answer
364 views

Moving a linux server to new hardware

We currently have a working coldfusion 9 server running on ubuntu. Its hardware is a lenovo thinkserver running raid 1. We want to move this server to a different lenovo server (slightly different ...
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23answers
15k views

Netbook vs. Notebook for Programmers? [closed]

I have an IT question, I hope that's the place to ask it. I'm building a team for a specific project and am considering buying Netbooks for the first time, the reason being cost-reduction (we are a ...
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1answer
539 views

Xen host: Single or Dual Processor (intel)? [closed]

Context: I'm making a Xen server for my house. It's going to run something like the following VMs: Windows 7 VM as a personal/frag box (I anticipate doing some 3D gaming via a VT-d passthrough of a ...
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1answer
62 views

Asus z8na mother board. Do the two cpus need to be the same?

I have a asus z8na motherboard, with one E5504 cpu atm. Can i put an E5506 next to it or should the two cpus be identical?
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4answers
1k views

Network card suddently doesn't answer anymore, but answers after pinging

We have a problem with the network card on a Dell Power Edge R410 with Debian 6 (squeeze). It seems that the network card went into "sleep" mode after some time. If we are connected via ssh to the ...
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2answers
3k views

Is there a list of compatible RAID hardware with standard linux kernel

I am installing a large storage system under Debian 6.0. We bought a HightPont RocketRAID 2720, a very powerfull card claiming to be linux compatible, but when i installed they just provide a already ...
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2answers
474 views

SSD goes undetected/offline unless cold/hard booted

I've had a SSD for a little over a year on a sever. And once in a while, the server will bluescreen/be completely unresponsive. I've found out that it's the SSD going offline while the system is ...
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1answer
50 views

(Hardware) Machine will not boot - strange situation [closed]

We have a LGA1366 build (about two years old) that would suddenly not turn on about six weeks ago. Power was getting to the motherboard (on-board LED was on) but pressing the power button (whether ...
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1answer
95 views

Hard drive performance in small-sized server+RAID 5 [closed]

Disclaimer: I'm an undergraduate intern and this is my first server build I've been asked to build a small server for our team around the office. We are trying to maximize space (our motherboard has ...
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1answer
680 views

Does any USB controller card exist that fully offloads I/O from the host CPU?

In the hard drive controller card market - the higher-end (LSI, 3Ware) cards have their own on-board CPU and RAM, and take care of interacting with the hard drive, only notifying the system's CPU ...
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2answers
767 views

Replace CPU of HP server

Suppose we have a problem with a processor or would like to replace to a more powerful one. Is it possible? I found one article that explain the process for DL385 but not sure if this is only for a ...
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1answer
50 views

HPC OSS Node issue with unreadable local hdd error

We have a HPC setup with four OSS server(OSS1 to OSS4) and two MDS Nodes(MDS1 to MDS2) It has been running till yesterday without any problem. Today morning i found that OSS4 is in shutdown ...
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1answer
64 views

Is there a way to get an “extension board” for a Polycom IP6000 phone? [closed]

I don't see any for sale, but is there a way to get one hooked up to it? Basically, I need 15+ speed dials. Something like this would be great, but for the Polycom instead of Grandstream: ...
2
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1answer
101 views

Safely rebooting a machine

I've got a simple XenServer running here and it suddenly stopped responding (I don't know why, it just doesn't respond to anything, but let's put that aside). I think I need to reboot it, but this ...
2
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4answers
133 views

Please recommend good sources of information on water cooling or silent PC building [closed]

I've been waiting to ages to ask this question on (site-that-is-not)stackoverflow.com! My PC is a bit of a beast. I use it for everything, including development (my day job) and gaming. It's a bit ...
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13answers
1k views

what to do with old hardware

What do you do with your old / unused hardware? Cables, Hard drives, motherboards, and others peripherals you have around? Stuff that is broken or just too obsolete to use.
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1answer
2k views

Is my ASA 5505 almost dead?

I just got a refurbished ASA 5505. It works fine until un need to reload it or unplug it from power and replug it, when I do this and it's warm (even after some minutes of uses, so still physicaly ...
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9answers
1k views

Notebook for Sysadmin

For those of you who still not tired of "XYZ for sysadmin" questions: This subject is bothering me for a long time. I had number of problems selecting notebook for job. For example: Notebook vs ...
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2answers
1k views

Using 48v for servers

I'm currently in the middle of a process to specify and design a new server environment for graphics and video rendering. We know we want to use blades, and we're pretty sure of our vendor decisions. ...
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4answers
175 views

More important ping or hardware [closed]

I am not an expert so I would ask to you please. We are looking for a dedicated server for minecraft for our community, we have two options: 1. Intel® Core™ i7-2600 Quadcore 3.40GHz incl. ...
45
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12answers
4k views

What should I pay attention to when I'm buying a network switch?

Since I'm not a hardware expert, I don't know what features make a network switch a good network switch. What should I pay attention, when I'm comparing the different models from different vendors?
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1answer
79 views

building computer with fastest clock (overclocking) [closed]

In my job I prepare loads of data but the program I am using is barely multi-threaded, so - even I am on very fast dual processor machine - I do loads of staring at frozen interface when performing ...
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3answers
111 views

Backup a large library [closed]

I have a relatively large library of about 50TB that I need to back-up on at least a weekly basis. Currently, the video content is stored across an array of raided 3TB hard drives. I would estimate ...
5
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1answer
160 views

How to pick a vendor [closed]

The question Hardware vendors to avoid is ok for a first order approximation of the problem, but those who have been in the industry for more than a decade know you can't trust any one vendor to never ...
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3answers
396 views

SiliconMechanics - Good or Bad? [closed]

Has anyone purchased and managed servers from SiliconMechanics. I absolutely love the huge number of system configuration they offer and they unbelievable low cost. Are the servers designed well? ...
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7answers
634 views

Hardware Recommendation: Dell, SiliconMechanics (or someone else)? [closed]

Anyone every purchase / use hardware from http://SiliconMechanics.com? Their prices seem to be unbeatable. So I'm curious to know how reliable their servers are. Also, who do you recommend to buy ...
6
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1answer
1k views

Are keys for HP ML 150 G6 chassis all the same?

Recently we dragged a heavy box next to the HP ML150 G6 Server which had a chassis bezel key sticking out of it. So the bezel key broke in half. Is it possible to buy just a replacement key or they ...
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2answers
1k views

What is faster hard drive system for a server, SSD, SAS, RamDisk?

I hope this is the correct section, this is my first time here, I have a question please. I think that a lot of people are asking this question in this period. We are managing a server of a game ...
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13answers
2k views

High Failure Rate of Large Drives?

I recently deployed a server with 5x 1TB drives (I won't mention their brand, but it was one of the big two). I was initially warned against getting large capacity drives, as a friend advised me that ...
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2answers
150 views

SQL Server 2008 R2 / 500queries a sec

I am running an application that query the database a lot, around 500 queuries (insert/update/select) each second. I want to buy a dedicated server to run that application, there are mainly 3 tables ...
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1answer
124 views

Hardware Sizing for Video Apps [closed]

I need to do the Hardware sizing with following input: 600 concurrent users 200MB size video file access Users wll connect with streams with 64 KBps bitrate / 512 Kbps bit-rate Need to support 4 ...
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3answers
130 views

Specify hardware for minimum transfer rates

I will possibly be working on a system that collects images from a vision system and stores them in a dB along with status information. Because the system is tied to a continuous production process ...
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1answer
75 views

Migrating a raid array into a new case on the same hardware

I'm transferring my current server's guts into a new, rack mounted, case. Not changing any of the hardware - just taking it out of its current tower, and dumping it in the new box. System specs ...
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3answers
464 views

How can I physically clean out dirty desktops and servers?

In an attempt to keep operating temperatures and fan noise down how can I clean out servers and desktops that have accumulated dust in their cases, heat sinks, and other crannies? Is there any way ...
9
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4answers
4k views

What effects do magnets have on HDDs and SSDs? [closed]

What do magnets do to hard disk drives and solid state drives upon contact?
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6answers
99 views

Power on fan at timed interval

We are setting up a small 9U server cabinet in our office to house a single server along with a switch, UPS and some other miscellaneous components. When the two fans are powered on at the top of the ...
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5answers
883 views

Specialized Mounting Brackets

We are currently upgrading our tower based build server to a new 19" rack mounted unit for our software development team. Our new rack server has a maximum depth of 22 inches. So to accommodate this, ...
22
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11answers
11k views

Is anyone else using OpenBSD as a router in the enterprise? What hardware are you running it on? [closed]

We have an OpenBSD router at each of our locations, currently running on generic "homebrew" PC hardware in a 4U server case. Due to reliability concerns and space considerations we're looking at ...
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1answer
689 views

How to tell if a motherboard is UMA or NUMA? [closed]

I want to build a very parallel (at least 24 cores) AMD opteron (bulldozer) system. I'm looking at some motherboards and I can't figure out if they're UMA or NUMA (uniform memory access vs ...
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2answers
652 views

How does mounting a server in a rack work?

I am setting up a lab for learning purposes. I don't have a rack yet, but I just purchased a Supermicro 2U enclosure on eBay with some rails. How does it work with connecting the server to the rack? ...
1
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12answers
721 views

What is the best approach to wiping all data off a HDD instantly? [closed]

Just wondering in case something happens and I need to wipe all my data right away. I don't care if the drive is unusable after wipe.
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3answers
298 views

1 Computer Pulls Wrong DNS Every Morning

One of my users takes his laptop home, connects to his home network fine. He brings it in every morning and since Monday - every morning it pulls the wrong DNS every time. It pulls 1 DNS: 192.168.1.1 ...
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1answer
180 views

Converter for input (composite USB) and output (2x PS2)

It seems there are plenty of PS/2 to USB converters but want we need is a composite USB input and 2x PS/2 outputs (keyboard and mouse). An example application: a server without USB ports but 2x PS/2 ...
12
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6answers
657 views

Bad disks in ancient server

I have a 1998-era Netware 3.12 server that runs everything on our campus: general ledger, purchasing, payroll, student information, grades, you name it. The server has an Adaptec RAID controller with ...
0
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2answers
134 views

New server: use for SQL Server or Windows (Web)? [closed]

I picked up a new Dell R410 2.8 Ghz 12M cache 32 GB Ram RAID-1/RAID-1 for a good year-end deal. It was purchased mainly to replace my Dell PowerEdge 2850 which is my main WEB server. I run Windows ...
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4answers
939 views

Can a switch be noise reduced?

We have a 24 port switch in a metal closet, and despite this, it still makes a great deal of noise. Are there ways to noise reduce switches?
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2answers
429 views

Are branded backplanes useable without specific controllers?

I can't find a disk enclosure which I like, so I'm going to build a custom one (if nothing else, that'll teach me to be picky...). I've got a few HP SAS backplanes lying about, but I'm wondering if ...
4
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3answers
543 views

Linux only seeing one disk of 4-disk eSATA enclosure

I recently purchased a 4-bay enclosure (Mediasonic Probox -- maybe cheap junk, but should work) with 4 2TB disks. The enclosure has both USB3 and eSATA interfaces. I originally intended to use it on ...
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2answers
485 views

rack mountng questions

1) Do you have to use a sliding rail when mounting a server in a rack cabinet, or Can you just screw the machine directly into the cabinet? 2) What size are the screws that go in the front and back ...