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Questions tagged [hardware]

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

There are multiple, physical components that are required for a computer to function. This is collectively referred to as the "hardware". The most notable components inside of a computer system is the RAM, Hard Disk (or hard drive), CPU, and Power Supply.

Outside of the case, however, hardware exists as well. Some of these components include the keyboard, mouse, and monitor.

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Why are Large Form Factor (LFF) disks still fairly prevalent?

Small Form Factor (SFF) / 2.5" disks seem to have become more popular than LFF disks now due to them being preferable over LFF disks in many scenarios (lower power consumption, higher density, etc). However, LFF disks still seem to feature in major…
dbr
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Why would wireless routers become less reliable over time?

I've been curious about this for awhile now. I don't know if I'm seeing a real pattern or not, but having worked with many home office/small office wireless routers for a few years now, I've noticed that the heavier the traffic is in the…
Keith Bentrup
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Are PCIE slots coupled with CPU slots?

I am trying to understand the hardware specification of a motherboard (http://www.tyan.com/Motherboards_S7070_S7070WGM2NR) Regarding Expansion slots for PCI-E, Expansion Slots PCI-E (1) PCI-E Gen3 x8 slot(#1,CPU1)/ (1) PCI-E Gen3 x16…
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What does "low profile" stand for, connected to hardware?

When it comes to hardware I often read something like "Apple Mac computers, and other lower profile ...." For me it sounds like a better word for low end segment hardware but I am not sure about it. Google didn't help me well to answer this…
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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.
Some Student
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How can I gain better insight into ISP-managed equipment (routers)?

I have a number of customers who have networking equipment managed by their ISP. This is usually in the form of an ISP-provided switch or router placed at the customer location(s). For sites that have MPLS or multi-location connectivity, it would be…
ewwhite
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Force renegotiation of PCI Express link speed? x2 card reverts to x1 width

In an effort to circumvent compatibility and cost barriers to using SSD drives with newer HP ProLiant Gen8 servers, I'm working to validate PCIe-based SSDs on the platform. I've been experimenting with an interesting product from Other World…
ewwhite
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Linux kernel detecting wrong processor frequency

After a cold boot of a 6.0.8 Debian server (HP ProLiant), ntpd played havoc with system time: offset and jitter with respect to the usual and reliable reference time servers growing without limit. (Note that a twin identical server had no problem at…
Stefano M
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Linux hard drive serial number as non-root

First of all, I would like to apologies for the title for not including hardware details. This is because I am looking for a command that will work in all Linux distribution. Question: I am very new to Linux and don't know much, however, is it…
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How much electricity is required to power 20 'average' computers on a LAN?

i trying to see how much electricity is required to power 'x' number of computers. I know it's a vague thing because some computers draw more than others (eg. diff chipsets, HDD, vid cards, PSU's, etc). So, lets just assume is a mum-and-dad Dell…
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How to recover from a drive failure in a RAID 5 configuration?

This morning a drive failed on our database server. The drive array (3 disks) is setup in a RAID 5 configuration. While we wait for a drive replacement we are preparing for a recovery strategy. Users are continuing to work on the system, albeit very…
Philip Fourie
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Do empty drive bays need to be filled?

I have a Dell R610 server, which has 6 2.5" drive bays. These all came empty. Generally, when I see pictures, all of the drive bays contain either drives or empty mounts. At first, I thought it would be unnecessary to have unused mounts. However, I…
Radvylf Programs
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MTTF, MTBF, MTBR and MTBF for HP ProLiant Gen9

I have been looking into MTTF, MTBF, MTBR and MTBF for out HP Gen9 servers running in our production environment. Root of my question, should be worried or not. I cannot seem to get any good data as each server has a mix of hardware. At my last…
Anthony Fornito
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Build a low-power file server

I would like to build a file server for backups. The server needs to be available 24/7 in a mixed Windows/Linux network, but service should not exceed 1 hour per day. Thats why power consumption is my main priority. What do you think is the best…
karatchov
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Hardware RAID controller cache battery failure frequency/lifetime?

I'm in an environment that contains many Supermicro servers equipped with Adaptec and LSI MegaRAID hardware RAID controllers. These controllers contain battery-backed cache modules to help boost write performance and protect data in-transit. A…
ewwhite
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