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

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How to make my HP server boot faster?

I have an HP ProLiant DL370 G6 server that I am using as a workstation. It takes 60 seconds during reboot and cold boot before screens post with a discrete Radeon HD6xxx GPU. What can I do to make ...
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9answers
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Off-brand laptop batteries?

I tend to err on the side of paying too much for quality stuff, but $180 for a standard replacement battery for a Dell laptop makes the $80 knockoffs look pretty tempting. I wouldn't consider it ...
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6answers
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What causes hard disk failures?

What causes hard disk failures in general. I would like to know the common causes and how to prevent such incidence.
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3answers
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How to calculate cost/benefit of hardware expenditures? (move to virtualization, upgrades, etc.)

Preamble: As part of the acquisition of a smaller development company we have acquired a new office. Many people were transferred to head office, but 'new' office will retain a small team of 4-6 ...
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13answers
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HP Proliant DL380 G4 - Can this server still perform in 2011?

Can the HP Proliant DL380 G4 series server still perform at high a quality in the 2011 IT world? This may sound like a weird question but we are a very small company whose primary business is NOT IT ...
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6answers
826 views

Rack layout for future growth

We're getting ready to move to a new colo facility and I'm designing the rack layout. While we have a full rack, we only have 12U worth of hardware right now: 1x 1U switch 7x 1U servers 1x 2U server ...
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7answers
912 views

Questions about single point of failure for small operations

If you can't afford or don't need a cluster or spare server waiting to come online in the event of a failure, it seems like you might split the services provided by one beefy server onto two less ...
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8answers
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Devices / Drivers not working in Windows 7?

For anyone who is running the Win7 RC, are you running into any unexpected problems with regards to hardware incompatibility? If so, have you been able to work through them in what you would call a ...
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2answers
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New server causing weird noise in headphones and speakers; Is this electromagnetic interference? What's causing it?

I work for a small radio station that recently acquired a refurbished Dell PowerEdge 1950 server. After placing it in the server room along with several other servers and sound processing hardware ...
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3answers
627 views

determine hardware configuration using command line

I have a linux machine with ubuntu OS installed on it. Now I want to upgrade the hardware. Namely, I'd like to install more RAM. My question is, how do I determine which kind of RAM installed now, ...
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How to find RAID configuration/level and RPM speed having only remote access to the server?

Having only remote access (no physical access), to a server (that is SSH), how do I (or may be is it possible): find out whether it is RAID configured or not? If it is RAID configured, whether it ...
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2answers
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Why are “sectors per track” still relevant on a modern OS with modern drives?

I am building out a new machine and the raid controller is asking me for sectors per track. I haven't had to deal with disk math in a long time (1998?), and I can't find anything that pertains to ...
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3answers
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Is it possible to hardware accelerate LUKS encryption?

My Linux server spends a lot of time computing LUKS encryption. Is there any way to hardware accelerate it (with a PCI express card for example)?
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4answers
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What to do with an out-of-warranty Barracuda Spam/Web filter?

I'm working with an organization that would like to start using a old Barracuda Spam Filter 300 unit. I've sold and configured plenty of these, but was surprised to see that this unit's warranty ...
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6answers
399 views

Computer controlled winch

It was a long time coming but I've just had AC installed in my server room. I've also purchased a MiniGoose II from ITWatchDogs which I can't say enough about. So I'm covered by cooling, and I'll be ...
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3answers
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What is the name of this screw? (from HP ProLiant quick-deploy rail kits) [closed]

I need the name of the screw for the HP quick deploy rail kit. The screw clicks into the square holes of the rack. It is a Gen4 Rail kit but the screw is like the Gen8 Rail kit ones. I called HP ...
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1answer
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What's the bandwidth and form factor for PCIe x1 x4 x8 and x16?

What speed, number of pins (physical size) are PCIe x1 x4 x8 and x16? Normally I would google to find a photo showing the various types of PCI Express cards and their max bandwidth. Now that ...
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1answer
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Enabling VMware EVC on Westmere E5645 CPU only accepts “Nehalem” mode

Take the following system, a Supermicro VMware ESXi host with Intel Westmere E5645 CPUs. Part of our deployment process is to set the appropriate Enhanced vMotion Capability (EVC) level for the ...
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2answers
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What is the difference between RDIMM vs UDIMM

I don't quite understand the differences between the two besides the obvious price differences. What does each offer over the other?
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4answers
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Restarting an IBM BMC without restarting the server itself

I have a few servers with IBM BMC (Baseboard Management Controller). I'd like to power cycle the BMC without restarting the server. Is this possible? How? Note: On one of them, the web interface is ...
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2answers
608 views

10GBASE-T shielded cable switch-to-server connection

I'm venturing for the first time into the 10 gigabit (over copper) realm. Likewise, I have never worked with shielded CAT-5/6 cables previously. From my own research, I understand the types and ...
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3answers
8k views

VMware - persistent “Host memory status” alarm in vSphere

I have a particular VMWare ESX 4.1 host that has a very persistent "Host memory status" alarm. This is running on an HP ProLiant DL360 G7 server. The HP ILO and System Management agents don't know ...
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1answer
278 views

Automated hardware testing of HP servers?

As part of provisioning servers we run HP's Insight Diagnostics to test the hardware. This is a manual process. Is there a way automate the running of Insight Diagnostics? There is the hpdiags ...
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1answer
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hardware recommendations for HAProxy for a small or medium traffic site

I am interested in setting up HAProxy for use as a load balancer for a set of small traffic web applications. The use is growing and might become medium sized in the near term (6 months or so). Mainly ...
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5answers
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How does a blade server differ from a normal rackmount server?

This may be a question but I thought I would ask even so.
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7answers
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What is an edge server / router / device?

What is an edge server? We see some references to them, but we never see a definition.
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9answers
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Do I need some kind of power conditioner or UPS?

In one of my boxen, both my power supply and network card died while in overnight hibernation - why? And: What must I do to appease the electricity Gods so that I don't lose more hardware? In ...
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7answers
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Laptops - RAM vs Disk for performance

In the perfect world I could get everything I want, however budgets for new laptops are low so I normally can get a user a laptop + additional RAM (to at least 4Gb). This has been mostly motivated by ...
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3answers
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What is more important for a database server? Mem? Mem speed? Cores?

I am going to be moving my database server to somewhat better new hardware. The current database server does not have any problems except that it is running Centos 4. The current hardware is 2 quad ...
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5answers
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How do I get my HP servers to email me when a drive fails?

Ideally, with as simple of install as possible and without requiring rebooting the servers. Mostly for DL380 G5's if it helps. Thanks.
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2answers
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Noob question: What is inside a server? [closed]

This is a real noob question. I have never taken a proper look at a server. Can someone kindly explain what is inside a server (the hardware)? And how the user interacts with it? All the images ...
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2answers
291 views

Should server spare parts be stored in climate controlled storage?

What is a best practice for storing server spares (hard drives, RAM, power supplies, etc) with respect to how/where they are stored? Some options are storing them in climate controlled storage or just ...
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1answer
305 views

What is this(server hardware)?

What is this adapter called?
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SW SSD Raid 1 over HW RAID 10

A provider(data center) recommended I go with 1TB SSDs in a software RAID 1 over HW RAID 10 with mechanical drives. Their quote: Typically SSDs are most reliable than RAID cards and since you ...
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2answers
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Could SpinRite possibly be messing up my laptop hard drives?

Context: We have a midsize business with a few dozen laptops. Whenever we get one in because someone leaves or gets an upgrade, standard procedure is to zero and then run SpinRite (level 4) on the ...
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3answers
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Why Do Hard Drives Fail?

I'm just quite interested in the reasons why hard drive failures occur. Some people say that it's because it was handled poorly during the shipping and transportation processes while others say that ...
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2answers
6k views

How to find out PCI version information in linux

How can I find out which PCI version (2.0 , 2.3) are supported by the motherboard - even for slots which do not have any cards connected to them. lspci -vvv does not seem to show information for PCI ...
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6answers
492 views

Will wear induced by turning computers off in the evening be offset by energy savings?

I'm asking this here because this is primarily a huge office scenario and administrators will more likely have the answer I'm looking for. Employees' desktop computers can be either left turned on ...
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2answers
8k views

Dell Perc 6/i and 3TB drives?

Does the dell Perc 6/i controller support 3TB drives?
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10answers
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Should you replace a whole department's PCs or half?

Our department are replacing the PCs that are over 3 years old. However, despite the age of the PCs, they're all similarly spec'd, so a 3 year old PC is still the same similar spec as a 1 year old ...
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3answers
723 views

Would unplugging a drive simulate a drive failure?

I just set up a RAID 1 array, 2 2tb drives mirrored. I am wondering what will happen if one were to fail. Would unplugging one of them be a valid test? I am using the Onboard controller of an asus ...
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6answers
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How to best migrate a server to new hardware

I'm getting ready to migrate a server from old hardware to new hardware. I'm thinking of doing a P2P migration rather than actually rebuilding, reinstalling and migrating databases. The servers are ...
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2answers
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How long should rebuilding 250GB take? [closed]

In a PowerEdge 1900 have I a hardware RAID 5 of 5x250GB disks + 1 hot spare 250GB. Disk 2 have errors, so I forced it offline in the raid bios to replace it. Now it have been rebuilding to the hot ...
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1answer
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interpreting stickers on RAM

Does anyone know how to read the labels on RAM? Or have a link to a good resource for reading the labels? Here's why I'm asking: I have a third-party Dell server in my rack. The vendor sent us ...
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2answers
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Hardware requirements for a Virtual Server

I moved this question from StackOverflow because it makes more sense to have it here We have decided to go with a virtualization solution for a few of our development servers. I have an idea of what ...
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2answers
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2012R2 Storage Spaces Memory and CPU requirements

I am looking at possibly using Storage Spaces in Server 2012R2 to build a NAS off of. I am looking to build a fairly large unit, 12-14 HDDs, in a "RAID10" like setup (I know storage spaces does not do ...
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4answers
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What should I watch out for in building low-budget storage servers?

I'm looking to replace our current storage. The existing system is just a 450GB file share on our 7yr old domain controller, plus another 150GB from another server. We map these to drives on the ...
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3answers
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Oracle: 1 Large Server vs. 2 Smaller Servers?

We are in the planning stages of setting up our production Oracle 10gR2 environment. Our budget gives us the ability to buy 2 processor licenses of Oracle DB Standard Edition. We have minimal ...
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8answers
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Free Tools for Hard Drive Diagnostics [closed]

Are there any free tools available to perform hard drive diagnostic? I have an old 3.5 IDE Samsung HDD which I use as an external drive through USB connection. I recently started to have problems with ...
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2answers
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Hadoop disk fail, what do you do?

I would like to know about your strategies on what to do when one of the Hadoop server disk fails. Let's say, I have multiple (>15) Hadoop servers and 1 namenode, and one from 6 disks on slaves ...