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Questions tagged [hardware]

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

1
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4answers
824 views

ILO Update : Which version should we select?

We have a HP ProLiant DL160 Gen 8 server, with VMWare ESXi 6.0.0 actually installed on it. We started to update it to VMWare ESXi 6.5, but the upgrade stopped, stating that we need to update the HP ...
6
votes
3answers
2k views

What fiber optic network interface card do I need for a WAN connection

I'm thinking on building my own (micro-atx) router for business and personal projects at home. My question is what kind of network card do I need to receive the fiber optic connection? I'm currently ...
1
vote
1answer
410 views

Cisco 4400 Series Initializing Hardware loop

I am experiencing an issue with our Cisco 4400 router. Upon booting it gives a flashing STAT light along with a green PWR, TEMP, FAN, PSU0. It then restarts and the fan comes on briefly, and the ...
15
votes
2answers
4k views

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 ...
0
votes
1answer
458 views

How to force linux interface to work with specific network card

It's my first time expercience with multiples networks cards. I have two networks cards on my debian server. card 1: on on a public network, card 2 : on private network I have edit my /etc/network/...
-2
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1answer
60 views

Incompatible server memory

Why are these two pinouts different? They are keyed differently. See attached pictures.
9
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4answers
263 views

How should I store my HDDs?

I have a few HDDs which contain backup data. I want to store them in a secure place. I know some good practices like storing them in a different building so if there is, let's say, a fire, you can ...
1
vote
1answer
186 views

What are the considerations which decide the server Dimensions in Rack Servers?

In a DataCenter, say a rack is 42U high. Some rack servers in that rack can be full-width and 1U high, while some servers can be half-width and 2U high. Yet others can be half-width, 1U, but double ...
1
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0answers
71 views

Two HP DL165 servers locking up randomly, switching fans to high

I have a pair of HP DL165 G7 ProLiant blade servers at home. I purchased them used, so no support remaining. One is running a FreeBSD system (FreeNAS 9.10) and one is running Linux (Ubuntu 16.04 LTS)...
3
votes
2answers
2k views

HP DL380 G7 Will Not Power On

We have a similiar issue to a few other people on here, although nothing we have tried has led us to a solution. We have an HP Proliant DL380 G7 that will not power on (most of the time). Here's what ...
37
votes
2answers
5k views

What risks are there with mixing SSD models in RAID?

Aside from one type of disk bottlenecking the other, are there any other problems with mixing SSD models in RAID? My problem is, I need to upgrade the storage in a server with 4x Samsung 845DC EVO ...
-1
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2answers
389 views

Power requirements for SAS enclosures

I have a Supermicro 4u enclosure with dual 1400 watt power supply running on 220v. There are 24 drive bays. The power supply is rated at 4amps for the 5v output. If I have 24 drives that requires ....
2
votes
1answer
298 views

What is “Node Composing” in Intel RSD?

Intel Rack Scale Design (RSD) has some concepts like "Disaggregated Hardware" and allows "Node Composition", but I am not able to find what exactly this is or how it works. EG If a rack has 4 servers,...
35
votes
3answers
9k views

What is the use case of a SD slot on motherboard?

My HP Proliant ML110 G7 has a full-size SD slot on the motherboard. What is its use case? The PDF manual mentions it on page 10: item 17 just to show its placement, but nothing more. In a later ...
-4
votes
1answer
41 views

how to find 32bit or 64 bit in linux

hi guys i am new to this field.I have a doubt related with, whether my Desktop is 32bit 0r 64 bit.See here when i was trying with console using this command in Linux #arch its displaying like i686....
-1
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1answer
51 views

Automating reboot of servers

We have 1,000 servers having different manufacturer and a mix of Solaris and Linux. They go down frequently and we end up rebooting by logging in to the Integrated Lights Out Manager (ILOM). I want ...
4
votes
2answers
913 views

Server freezes without kernel panic

We are running a KVM node which is crashing irregularly showing a very strange behaviour. The interesting thing is that we already had this problem with another node which crashed every 1-2 weeks. As ...
0
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0answers
20 views

Would a large box of batteries sitting on top of my computer cause the HDD to fail

One of my clients had an employee's HDD fail. We just got the computers, but I noticed when removing the computer from the site that it was sitting under a large box (15"x15"x15") of Lithium Ion ...
6
votes
4answers
3k views

Fiber multipath fails: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK

I am trying to copy(~7TB of data using rsync) between two server in same data center in the backend its using EMC VMAX3 After copying ~30-40GB of data multipath start failing Dec 15 01:57:53 test....
0
votes
1answer
976 views

New ProLiant ML10 v2 won't power on

I just unpacked a brand new HP (HPE now I guess) ProLiant ML10 v2 Tower Server System i3-4150 3.5 GHz. It responded as expected to a press and release of the power-on button once, but the system ...
0
votes
1answer
91 views

Is it possible to split 4 network card ports into 4 different adapters?

I have a network card which contains 4 Ethernet ports but there is only one network adapter being shown in the adapter settings, I'm looking for a way to somehow split each Ethernet port into it's own ...
0
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2answers
176 views

HP ML115 G5 shuts itself off a little while afrer pushing the power button

We have (quite an old, yeah) HP ML115 G5 AMD based server which shuts itself off 10-15s later (during fan test I suppose) after pushing the power button and before BIOS POST single beep appears. We ...
0
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1answer
1k views

hp proliant dl160 g6 fan conversion

OK so I came across this forum a back while looking for an answer to this question and found some excellent advise that I would like some additional info for. I have purchased the above server in a ...
0
votes
1answer
91 views

RAM installation chart

I'm looking inside my motherboard manual for installation of RAM and I see the following charts: Ok the first chart makes perfect sense to me and is talking about the slots to populate for each ...
18
votes
2answers
991 views

Two-way high power outdoor Wi-Fi

Apologies if this is a schoolboy question but I've been asked by a client to look into installing Wi-Fi for their caravan park. More than happy with office Wi-Fi having done that for years but outdoor/...
0
votes
1answer
395 views

Fujitsu RX200 S7 “Main 5V” Error

One of our Fujitsu RX200 S7 servers hangs on boot with the global error orange light flashing. The IRMC systemlog shows a "Main 5V" error (0.02V instead of 5V). Does this mean we have to change the ...
0
votes
1answer
193 views

What kind of (modular) patch panel do these conectors fit into?

We recently moved into a new office, inheriting all cabling installed by the previous tenants. Right now there is a bundle of 30 network cables which look like they belong into a patch panel. I found ...
-3
votes
1answer
204 views

Is this normal hard drive noise? [closed]

I recently replaced my PC's hard drive with a Hitachi GST Deskstar 7K2000 HDS722020ALA330 and it makes so much noise that I want to replace it again. I re-read the reviews for this drive expecting to ...
1
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2answers
756 views

HP DL180G6 - Getting a SATA HBA that works with the backplane

I've got the above mentioned server in a particularly strange configuration right now. This is the 12x3.5" drive configuration model of the 180. From the backplane, the drives go into an HP Smart ...
1
vote
1answer
144 views

Ressources for HAProxy on heavy load [duplicate]

What are the main ressources HAProxy needs handling millions of requests per hour? What hardware is recommended (CPU, Cored, Ram...)?
1
vote
1answer
59 views

connector of HP Universal Media Bay(HP ProLiant DL360 Gen9 server)

I have a HP ProLiant DL360 Gen9 server which should support HP Universal Media Bay. How is it connected to motherboard? If I open up the server, then there is no connector for that:
1
vote
1answer
36 views

pins on HDD/SSD enclosure

I have a SAS HDD enclosure of HP server, which has a following connector: What is the purpose of this connector? One purpose is to lit the LEDs in front of the enclosure . Is this the only reason for ...
7
votes
1answer
503 views

Why are RDIMM/LRDIMM memory modules arced?

I read about registered memory and noticed that RDIMMs(and also LRDIMMs) are arced: What is the purpose of that? Why are RDIMM/LRDIMM modules arced?
9
votes
5answers
2k views

Should I be concerned about our server setup?

I work for a company of about 50 people. Our two servers (identical) are custom built with these specs: Xeon E3-1270 V3 Intel Entry Server Board 32 GB DDR3 ECC 2x 256 GB SSD RAID1 (for System) 4x 1TB ...
2
votes
2answers
1k views

RDIMM vs LRDIMM DL380p G8

I need to increase the RAM on a couple of DL380p Gen8 servers (dual Xeon CPU E5-2640). 24 DIMM slots. The servers run VMWare ESXi 5.5. I do not intend to use the existing 8 GB RDIMMs, but just ...
-1
votes
1answer
85 views

How to upgrade 2 years old server? [closed]

Two years ago I bought a server with the following characteristics: Platform: Supermicro X9SRi-F Motherboard RAM: 8*8GB ECC 2133 DDR4 Reg (64GB) CPU: Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz 10 ...
2
votes
1answer
82 views

Dell Poweredge 6850 fans but no power

I know the 6850 is a very old model, but here goes. I have a poweredge 6850 that a friend of mine has had for quite a while, but hasn't used for about 9 months. He's recently made more space in his ...
1
vote
0answers
140 views

HP Proliant DL180se G6 Not booting up

Recently, I found one of the fan in my HP Proliant DL180se G6 server went faulty and i replaced it with a new one along with a new ram to add more memory to it. However, when I press the boot button ...
0
votes
1answer
195 views

Workstation Specification Check

I'm unsure if this is allowed, so please tell me if it is not. I am building a workstation for MPI/CUDA CFD work, however I am unfamiliar with server-type hardware. I have provided my current spec in ...
1
vote
2answers
2k views

1866 MHz RAM unexpectedly running at 1333 MHz

I just purchased two 8GB Ram sticks which are packaged at 1866Mhz - my system only supports 1600MHz, so I was expecting them to run at this speed. But when I examine the output of dmidecode, it ...
60
votes
8answers
6k views

Moving Servers Within The Same Building

Here's my scenario: I'm a developer that inherited (unbeknownst to me) three servers located within my office. I also inherited the job of being the admin of the servers with a distinct lack of server ...
1
vote
1answer
981 views

Identification of Power Supplies on Windows Servers

First off, I'm not sure if this is the right form, but it seemed like the best fit. For a management automation project, I am trying to identify the power supply units on servers across my network. ...
1
vote
1answer
308 views

Need circuit diagram for hp-r650ff3 power supply [closed]

Can somebody please provide a circuit diagram for a HIPRO HP-R650FF3 swappable power supply unit? One of those which is built in one of our main servers went down after a company wide power failure ...
0
votes
1answer
69 views

What could cause all HDDs of RAID 10 to crash at the same time?

I had a disaster-weekend; I'm running a server with some virtualisations (KVM); they are hosting round about 100 users each. The load is at 0.40-0.89 all the day, the machine has 128GB RAM. Well: On ...
1
vote
2answers
805 views

How to boot HP Proliant DL360 G6 with the front panel missing (no button)?

I came into possession of an HP Proliant DL360 G6 that I'm looking to turn into a file server. Unfortunately the whole power button assembly is missing (complete with front panel, power button cable, ...
0
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1answer
208 views

Does “smartctl -H or -all” run anything against disks or just poll data?

I am setting up Smart monitoring currently and I had a question regarding the command smartctl -H /dev/sda === START OF READ SMART DATA SECTION === SMART Health Status: OK Does this actually run ...
2
votes
2answers
2k views

Low power (cheap to operate) server with lots of RAM? [closed]

Is there such a device category? Server machines (rack, SAS drives..) can offer 8 RAM slots, usually sporting 32-64GB RAM, and are common enough to be cheap to purchase... but not to operate (100s of ...
3
votes
2answers
4k views

How to find which memory has CE error?

I think I have a memory in my server which has errors and I am wondering how I can find which one it is. Server model: Supermicro 6072R-EN3RFT RAM: 128 GB CentOS 7 with latest updates installed ...
0
votes
2answers
721 views

Centos 7 freezing on large workload

I recently upgraded my server to Centos 7; I asked the users to backup there data for the upgrade. After the upgrade some user tried to untar a backup tar (~300Gb) and this caused the server to hang / ...
2
votes
2answers
1k views

Can I mix ECC RDIMMs with different rank?

I have an Intel S5520SC motherboard with two Intel Xeon E5620 CPUs installed. It currently has six KVR13R9D4/8I DIMMS - I want to add another six DIMMs (48GB of RAM) to upgrade this workstation to ...