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Questions tagged [hardware]

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

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UPS for HP ProLiant DL180 G6

I inherited HP ProLiant DL180 G6 model supposed TB used for some additional (non mission-critical) work and need to buy the UPS for it. I've read that PSUs for HP servers tolerate pretty much only the ...
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0answers
10 views

hdd vs ssd for php/mysql dedicated server [duplicate]

I'm migrating a server and I have to choose between: SoftRaid 2x4TB sata SoftRaid 2x450GB SSD nvme The server will basically run nginx+php7.2+mysql8 The response time is very important for our ...
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1answer
45 views

Server not powering on after upgraded to Intel Xeon E5-2695 v2 [duplicate]

Have a ProLiant DL360p Gen8. Old CPUs were E5-2670. Upgraded HP latest ROM Server does not power on any more. See amber LED light on the CPU in the Systems Insight Display. As far as I know this CPU ...
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2answers
33 views

PowerEdge T610 H700 controller upgrade

I have a PowerEdge T610 server with Perc H700 RAID controller. I wanna use the controller for non-raid, but I read some posts and the H700 controller doesn't support the non-raid operation. The ...
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0answers
25 views

Figuring out how much VMWare hardware capacity I need during the planning phase [duplicate]

So, I know there are a lot of great tools for analyzing current resource utilization and so on, but that's not what I'm looking for. What I'm trying to figure out is the best way to plan how much ...
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0answers
25 views

Hardware for virtualization [duplicate]

I need to choose appropriate hardware for virtualize with vmware - 1 windows server 2016 (active directory, wsus, centralized antivirus software...) - 1 windows server 2008 (run 2 server software) - 1 ...
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1answer
54 views

Does the MSI H55M-E33 motherboard support the xeon L3426?

While searching for this myself I found there were quite some other people online searching for the same answer, but nobody replied with their results. As such, I found it only fair since I have been ...
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0answers
31 views

What PSU form-factor do I need?

So I finally got my Fantec SRC-2080x07 2U server chassis replacement. Only to find out that the Be Quiet TFX Power 2 300W Gold PSU that I ordered, is too small to fit. Here's a picture of the PSU ...
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1answer
167 views

DL580 G7 not booting / posting

I have two DL580 G7 and I cannot get any of these to boot. What happens is that the internal health LED flashes red and it displays all four CPU-LEDs in amber. There is no post code, exactly nothing ...
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0answers
12 views

NFV-grade server hardware configuration [duplicate]

Interested to know how to spec my servers for high performance networking applications and to perform real-time processing of many packets. (servers to be equipped with 100Gb/s NICs) Currently I'm ...
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1answer
41 views

What is a 4x 10gbe QSFP-QSFP cable?

I was looking for QSFP cables on Ebay and came across a Brocade 58-0000033-01 marked as 4x 10GE even though it has one QSFP connector on each end. I don't understand what this cable is for, will it ...
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1answer
35 views

Hardware Checks after Air Conditioning Failure

We had an overnight air conditioning failure. We discovered that the temperature in the server room had reached about 110-115°F (43-46°C). We powered off everything that hadn't already and had the A/C ...
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1answer
37 views

Why does the server chassis backplane have multiple SFF8087 connectors?

On the backplane, there are 5x SFF8087 connectors on a 20x SATA disk setup. Why are there 5x connectors? Do all 5x need to be connected to the motherboard via a SAS Controller, or only one? And does ...
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1answer
51 views

Does it make sense to connect a redundant power supply to a C14 splitter?

Recently visiting a small data room, I noticed that redundant power supplies of a server are connected through a C14 splitter which, in turn, is connected to a single socket of a UPS. I told the ...
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1answer
121 views

Detect the hard drive sector for 4k vs 512

Some of the hard drive in Virtual machines moved from legacy sector size of 512 bytes to a larger, more efficient sector size of 4096 bytes, generally referred to as 4K sectors. Operating system ...
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1answer
46 views

SSDs same bandwidth as HDDs now? (2018)

I am looking at different storage options for a new server. I've noticed that both HDDs and SSDs claim 6Gb/s throughput: https://www.newegg.com/Product/Product.aspx?item=N82E16822232558 https://www....
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0answers
39 views

What should I need to do after a CPU/IGP change in Ubuntu 18.04?

On the next week I'd like to change my cpu from an Intel G3930 to G4600. What should I need to do and why? Can I change without reinstall anything? Linux can handle this automatic? Do I need for ...
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1answer
45 views

Can a standard PCIe card fit on top of VLP (Very Low Profile) memory?

I am dealing with a motherboard https://b2b.gigabyte.com/Server-Motherboard/MZ31-AR0-rev-1x#ov where multiple memory slots are situated right in front of several PCIe slots and hence a full-length ...
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1answer
28 views

Where to get Hardware info about Routers

I have been trying to get information about the hardware itself from Cisco routers but I was unable to find that on Google. It seems weird I cant find that info neither on Cisco page itself. My ...
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0answers
190 views

DHCP not working on RTL8111 NIC (DHCP Offer not arriving at receiver)

I'm experiencing some strange behaviour with a Dual Gigabit Ethernet NIC; I've setup a computer which has multiple network interfaces to connect some industrial cameras and setup a DHCP Server (isc-...
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2answers
29 views

Why am I losing all of my drives when one tray is inserted?

I recently moved my Dell C2100 and when I went to power it up, none of the drives came on (no LED activity at all). After some diagnosing, I noticed one of the trays (no drive) had a solid red LED. I ...
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1answer
36 views

What can a RAM failure provoke on a cluster of computation units

I am interested in some technical clues on how a failure on a RAM that is shared between multiple computation units (this could be virtual machines managed by hypervisor or two (or more) OSes running ...
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1answer
214 views

Optimal memory configuration on Dell R610 - 4 x 4GB and 2 x 8GB?

I'm trying to install memory into a Dell R610 server, and am honestly at wit's end. The DIMMS I have are: 4 x 4GB DDR3 2 x 8GB DDR3 I tried putting in the 4 x 4GB sticks in A1, A2, B1, B2 and the 2 ...
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1answer
57 views

HP DL360 G5. Doesn't start if power cable plugged in PSU1

I bought an used server. When I plugged in a first PSU (the one near sidewall) a power cable, some fans turned on, a led on the front panel light orange, on mobo green leds works. When I press a power ...
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0answers
8 views

Dedicated server spec for 2 magento stores with wordpress blogs [duplicate]

I'm currently trying to match the right server to support the following, with a bit of breathing space: 2 x Magento 2.2 Stores, with 3500 SKUs between them. These sites get around 300 unique hits a ...
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1answer
21 views

What hardware is important for an image (picture) hosting server. Should handle lots of http requests [duplicate]

I'm setting up a server that is being used as a hosting server that gets about 500 - 1000 new images per day. Most images are in jpg format, around 200kb - 2mb big. These images are being embedded ...
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0answers
22 views

What desktop/server should I get to host my Linux web server? [duplicate]

What can you recommend for less than $300 budget of a Linux machine to replace my Raspberry Pi and host my Apache-based websites? It needs to be compatible with either Ubuntu or Debian and must have a ...
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2answers
35 views

Power server when power is on (No Bios access)

I have 3 servers and one is old hardware. I have frequent power outage due a Kw limit. I know there is an option in the BIOS to power on a machine when there is power. 2 servers does have this AC ...
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1answer
22 views

Intel 1U R1304BB4DC fails to boot

I own an Intel 1U R1304BB4DC server, with Windows Server 2013 on it. After installing latest Windows Updates I was forced to reboot it. Since then I am not able to boot to my OS + I get no output at ...
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1answer
43 views

VGA monitor blinks with KVM

Tried using several computers with a KVM switch that uses the 25th port on the VGA connection for USB (for the keyboard and mouse - StarTech.com SV1631DUSBUK). Manufacture says the cable they use to ...
3
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1answer
95 views

Consumer grade UPS – safely provide more outlets/extensions for wall warts?

I am helping a small business redo their networking, and one of the items I recommended was an APC BR1500MS. Their setup would be Wall outlet (standard "home" outlet) -> UPS -> UPS Battery backes ...
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1answer
38 views

How quickly do NVRAM-N DIMM's restore their information?

New servers have NVRAM-N DIMM's which allow for their information to be saved to flash when the system loses power. I've read that it takes about a minute to save the information and the built in ...
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1answer
418 views

Why are NVRAM-N DIMMs Reliant on RDIMMs within Dell PowerEdge Servers?

Hardware questions! Watching some tech reviews about the newest and bluest Dell Poweredge servers and I noticed in this link that NVDIMM's for the new Dell Poweredge 740XD servers require R-DIMM's to ...
2
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1answer
121 views

Intel Scalable Processors

this should be a pretty straight forward question but might come out as ambiguous (might also be the wrong place to ask). I've been researching the newest and bluest Dell Poweredge and HPE server ...
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2answers
1k views

What does it mean, if all LEDs of an LTO-6 drive are flashing? [closed]

All LEDs of an half height LTO-6 drive are flashing with ~ 4 Hz. An LTO-5 tape is still inside, the drive does not react on commands, the flashing continues after a power cycle. I could not find the ...
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0answers
2k views

What is this column in /proc/interrupts?

Can someone assist me in analyzing the data in this output from my /proc/interrupts file? $ cat /proc/interrupts CPU0 CPU1 0: 22 0 IR-IO-APIC 2-edge timer ...
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0answers
22 views

What is the old LSI style rails/shelfs called? Picture included

When LSI sold storage they came with L shaped rails/shelfs as seen below. The good about those where they didn't took up an extra unit which the ones I can find today does. In the picture they are ...
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1answer
168 views

What factors affect the speed of a VPN connection?

What hardware/software factors affect the speed of a VPN connection between two computers (1 Gbps network cards) on a lan with just a 1 Gbps switch between them ? More vague : Is it possible to ...
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2answers
125 views

Updating broadcom NIC drivers on a Dell Poweredge R430

I've got a couple of Dell Poweredge R430 hypervisors that have Broadcom NetXtreme Gigabit Ethernet NIC's. I've never updated the drivers on these NIC's away from those which the OS installed... They ...
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1answer
57 views

What replaced vol_id in Debian 9.x “stretch”?

I was reading this link and tried the vol_id command. From my research, it was part of the udev package, and I see it was removed long ago. What replaced vol_id in Debian 9.x "stretch"? As a bonus ...
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2answers
105 views

Identifying the physical drive on a dell PowerEdge R320

We have a PowerEdge R320 with four drives and the front indicator panel is saying there is a fault on 'Bay 1 Drive 2'. There is an orange indicator blinking on the third drive from the left. I'm ...
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1answer
542 views

Hardware requirement for video serving to 1000 concurrent users [duplicate]

Can someone help us, we are looking to roll out a video on demand platform to provide internal staff the ability to view content. we will need to stream to 1000 users, the video files will be 720p ...
14
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1answer
378 views

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 ...
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2answers
684 views

Why do servers boot up so slow in general?

Why do servers in general boot so slow? If there is 1-2 TByte RAM in them, it could take 10-20-30-40 minutes to cold boot a server..Why is that? Isn't memory extreme fast in average? Why do the "...
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2answers
628 views

Are Dell PERC H200 H700 RAID cards supported by “.deb” based Linux distros?

For a Dell PowerEdge T310 that I haven't yet, I was wondering if its RAID cards are supported by distributions using ".deb" packages like Debian or Ubuntu. On Dell's web site, I could only find ...
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3answers
91 views

What if I don't replace failing disk in Raid1

I have a home server on Synology DS716+ running Raid1. Currently Disk1 S.M.A.R.T. status is Failing and also Bad Sector Count displays 2. So obviously I should replace this hard drive, but I am ...
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0answers
104 views

IBM System x3550 Server -7978 Keeps turning off when on idle

I have an IBM X3550 7978 installed it few days ago/upgated but i have an issue it keeps shutting down when on idle. I cant identify any issues why this is happening. I went through the event logs and ...
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1answer
47 views

What is the correct engineering name for HDD screw thread?

Everyone who deal with PC and servers assembling knows how does the screw to connect HDD with chassis (tray) looks like. But how to name it correctly? Is it M3.5 screw or what?
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2answers
768 views

What type of hardware is required for a Gigabit connection?

Just in case the question I am asking is unclear or hard to understand, I am basically asking whether or not the type of hardware in a machine (such as a router or server) matters when using a gigabit ...
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1answer
66 views

third party drives connected to h330 controller in a dell r730xd

We have a bunch of Dell R730xd systems with H330 controllers in them in our data center, and would like to stock some spares to allow us to replace broken disks quickly. (We do have warranty on these ...