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

learn more… | top users | synonyms

1
vote
1answer
24 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
0answers
17 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 / ...
1
vote
0answers
27 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 ...
-1
votes
0answers
14 views

Asterisk dimensioning hardware on AWS and find out how many concurrent calls a server can handle? [on hold]

I am looking for Suggested Hardware to install FIAF(asterisk) AWS EC2 c1 and m1 instance. I would like to know how many calls it can handle concurrently at the same time? OS: Centos Codec:...
1
vote
0answers
21 views

HP ProLiant DL180 G6 refuses to boot

My HP ProLiant DL180 G6 died on me during the night. Sadly during an raid-5 to raid-6 rebuild so my data may or may not be lost. That's next but first, the server won't boot. Problem details: Front ...
0
votes
0answers
10 views

poweredge t610, control panel assembly failure after PCIe Training error

I recently experienced 'PCIe training error - Embedded NIC 1, system halted' after powering on and after power-cycling, nothing happened when I hit the power switch, no display on control panel LED, ...
-2
votes
0answers
26 views

Dual socket T5400 linux but not windows

I have a Dell T5400 desktop server type machine, which I use as my workstation. It came with a single Intel E5405. I installed Windows 10 Pro on it, which is said to support 2 cpu sockets at most. ...
0
votes
1answer
13 views

How to make a reverse proxy server fail-safe and stable?

I'm planning to put a reverse proxy before our web servers, mainly for high availability, load balancing and SSL tunneling. Probably nginx or HAProxy. I understand that the proxy becomes the SPOF of ...
1
vote
2answers
53 views

Replacing failed hardware in a hyper-converged cluster node [closed]

Is it possible to replace failed physical components (such as disk, RAM, or power supply) in a hyper-converged node (such as VXrail or Nutanix) without taking the node offline?
1
vote
0answers
59 views

Intel Xeon processors: Difference between 2S/4S and S2S/S4S scalability

While comparing Intel Xeon E5 and E7 processors, I've noticed that E5 processors are specified for 2S or 4S scalability, while E7 processors are specified for S2S, S4S, or S8S scalability. I ...
-3
votes
1answer
27 views

How to determine to determine the server type from inside a server on LW (LiquidWeb)?

Exist a way to match the hardware characteristics of a server that is hosted in LW(LiquidWeb) with the "plans" that those guy offer? With plans I refer to what they have here On a EC2 instance you ...
0
votes
1answer
19 views

Ubuntu Server 16 LTS no usb 2.0

After installation Ubuntu Server 16 LTS, there is no usb 2.0. I can not connect mouse, keyboard, disc, pendrive e.t.c. On usb 3.0 it works. Motherboard - new Gigabyte - GA-970A-DS3P
1
vote
2answers
52 views

not responding HP dl360 g7, Blinking RED health, Green Power, 1 Fan degraded

I recently toke over a role and handled this server dl360 g7. It has 2 power supplies all are ok. 1 degraded fan and others are all green. Installed with VMware esxi and and 3 vm installed. The server ...
0
votes
0answers
40 views

hdparm unlock ssd with correct password encoding

I have an old password protected SSD connected via USB to my Linux System. I'm trying to unlock it with hdparm. Problem is my password was ./perspective (it doesn't matter now because I only used it ...
0
votes
0answers
13 views

How to determine maximum concurrent requests that a server configuration can handle? [duplicate]

I want to buy a used server, but I don't know how to select the best one according to my needs. I have millions of static files, all of them are html, css, js and images, and are under 1MB is size. ...
0
votes
1answer
49 views

HP Proliant Microserver appears totally dead

I have an HP Proliant Microserver (N54L G7) that has been sitting around fully disconnected and turned off for about 2 years (but was happily running back then). I wanted to repurpose it and today ...
0
votes
3answers
147 views

Can any standard rack server or enclosure be mounted on sliding rails?

I'm looking to buy an empty rack-mounted enclosure (2U to 4U) to fill with some custom equipment. One of the requirements is that we can easily open the enclosure top and access the contents ...
0
votes
0answers
24 views

Netgear ProSafe Switch Mounting Screw Size

I bought a JGS524 switch from netgear and have not looked to rack mount it until recently. The problem is, they do not list the screw size on their documentation and I would prefer not to buy a pack ...
3
votes
1answer
119 views

DL160 gen9 P440 SAS cable

We recently bought a new HP Smart Array P440 RAID controller from the local HP reseller store for our HP DL160 gen9 server. (P/N: 783361-425) We want to run ESXi on the server, with three virtual ...
0
votes
0answers
14 views

generation scripts under /lib/udev/

I was wondering when triggered the rules generator scripts in /lib/udev/ are triggered to form e.g. /etc/udev/rules.d/70-persistent-net.rules? I could imagine that happens only once during install and ...
0
votes
1answer
21 views

VMware ESXI cpu and memory addition

I am looking to install the free version of ESXI on my server but am possibly upgrading it in the future. I currently have 1 CPU and 48GB of RAM. I would be looking to add another CPU and memory for ...
2
votes
2answers
91 views

JBOD server for ZFS without dedicated boot drive

I am looking at buying a cost-effective machine for using openAttic, which is simply Ubuntu 14.04 64bit with ZFS. The server I am looking at gives me 8 bays of 3.5", where I plan to put SAS 7.2k ...
0
votes
0answers
27 views

Leadtek GTX 980i on SuperMicro 7047R-TRF (Motherboard X9DR3-F)

I have a plan to add a GPU for a server dedicated to scientific computation purpose (SuperMicro 7047R-TRF with motherboard X9DR3-F) and I have chosen Leadtek GTX 980 Ti considering the price and ...
2
votes
3answers
56 views

how to install ubuntu 10.04 on latest hp 9th Gen server with 64 GB Ram?

How to install Ubuntu 10.04 on latest HP 9th Gen. Xeon Servers with 64 GB RAM? We are able to install Ubuntu 12.04 but below that we are not able to do? Our software (erp) runs safe and sound only ...
0
votes
0answers
43 views

DL380 G7 adding a GPU

I'm trying to add a 550 GTX Ti graphics card into a dl380 generation 7 server. Page 4 of the quick specs goes into details on the riser options: http://www8.hp.com/h20195/v2/getpdf.aspx/c04286665.pdf?...
0
votes
1answer
31 views

Can I use an external 3G SAS device with a 12G card?

I want to connect an old 3G SAS DAS (Dell MD1000) to a new 12G RAID controller (PERC H830 or something LSI 3108-based). I assumed it would be backwards-compatible like SATA1/2/3 is, but after closer ...
1
vote
1answer
57 views

HP DL380 G6 Won't Power On

I've got an HP DL 380 G6 that has been having strange intermittent issues. It all started around a year ago when it was in production. I got the 10 PM call that something was wrong, stumbled to the ...
0
votes
2answers
63 views

Monitoring IBM server hardware without IMM port connection

We have a lot of IBM x86 servers that we need to monitor for hardware issues(disk failure/temperature/fans). Around 50% of them have IMM ports hooked up and we are able to monitor for SNMP traps using ...
-2
votes
1answer
83 views

If a server is headless (CentOS 7) is there a way to make the GPU used as an extra CPU core?

I've got a server with centOS that has no graphical interface. I only connect to it via ssh. As a result, the GPU is probably not used for much. I'd like to make the server use it as an extra CPU core....
1
vote
1answer
85 views

Disk IO Errors when writing / Linux + Windows / HDD is OK

The problem: I have a lot of Disk IO errors on my server, these are causing multiple server failures. VMs are rebooting because of IO errors "task xyz/sdaX blocked for more than 120 seconds" Backup ...
3
votes
1answer
65 views

Four lane SFF-8088 to SFF-8470 cable, 6G/12G

I need a couple of SFF-8088 to SFF-8470 cables and the HP manual says the HP 408771-001 is the right one for me. My hardware dealer has them in stock for about 100$. I browsed a bit and found the HP ...
2
votes
1answer
34 views

Weird smartctl output. Is my disk in danger?

I have a disk, that gets me kinda weird smartctl output. I have never seen such large nubmbers on other disks. Does anyone now how to interpret these ? Is the disk likely to be faulty ? SMART ...
0
votes
1answer
73 views

MGE UPS Switched PDU

I have an old MGE Switched PDU unit. The one described in this manual: http://www.manualslib.com/manual/102923/Mge-Ups-Systems-Switched-Pdu.html I didn't use it in years and couldn't remember the ...
1
vote
1answer
92 views

Will a H310 Mini or a H200 support Samsung SSDs (840/850 Pros)?

I've been searching around and struggling to find out of a H310 Mini or a H200 will run Samsung 840/850 Pros. I know Dell have their officially branded SSDs, but unfortunately cost is a major issue ...
1
vote
0answers
18 views

Is a PERC310 Mini compatible with an R610?

I'm going to purchase an R610 soon which is sans RAID card. The spec sheet lists 2x PCIe x8 + 1 "storage x4" slot. However none of the X10 series cards are listed on the spec sheet. I presume that's ...
3
votes
3answers
455 views

Purpose of vent holes on the top of rackmount servers?

Edit: Because of the high number of downvotes on this question, I would appreciate if you could comment on why you think the question deserves so. I believe the question is clearly asking for the ...
0
votes
1answer
60 views

Dell PowerEdge R720xd outputs a typical fan noise

I've recently bought an R720xd and set it up with Win2012/Hyper-V. Well, the server was running without any issues for two weeks until a disk a failure. I have already requested for a replacement of ...
-2
votes
1answer
51 views

What are these black plastic things

I just bought my first server case (Yay me). With it came a box full of these plastic things that I have no idea what they are for or what they are called. There are twenty of these things in total.
1
vote
0answers
25 views

Need 80 422/485 serial ports [closed]

We need to have 80 physical 422/485 serial ports on a Linux rack server. Custom connectors are an option. Trying to think of a best way to do that. There are some 4 or 8 port PCI cards out there. ...
1
vote
0answers
64 views

Get LCD To Work With pfSense

I got a hold of a new firewall and got pfSense installed on it and setup, but after trying for a day I could not get the LCD to show anything after trying multiple drivers and settings. Hope someone ...
-2
votes
3answers
275 views

ProLiant DL580 G7 E7 Upgrade Issue

I'm an administrator IT and also repair desktop computers & servers for many years. We have an DL580 G7 whose warranty expired 12/31/2015. Originally supplied with Xeon E7530 and standard memory ...
0
votes
1answer
45 views

C602 Chipset and PCIe Gen3

I've been working recently on a Supermicro X9QR7-TF+/X9QRi-F+ server. I took the user's manual and saw two things: the chipset is Intel C602, and the expansion slots are PCIe 3.0. According to Intel'...
0
votes
0answers
70 views

Server 2008 R2 does not boot and won't restore

A Server 2008R2 machine was found restarted, asking to insert a bootable disk. I booted from a DVD and tried to restore from a backup image made a day before to a separate HDD (with repartitioning and ...
0
votes
1answer
84 views

Hardware/BIOS - IBM x3200 m2

When I turn on my machine, the display is not throwing any output to it. The fans are running fine. The LED lights indicate no error, ' Only two LED's are blinking "Mini-BMCheartbeat LED" and "...
2
votes
1answer
48 views

Foreign cards in a HP server, do they cause the server to operate outside of specs?

I have a Proliant DL380 G7 I am going to be staging as lab server. As part of the server I plan to run ZFS as the base filesystem and installed 2 LSI 9211-8i cards for the disk controllers since the ...
0
votes
1answer
132 views

PowerEdge T410 with GeForce GTX 970 - Independent power source needed?

I am attempting to install a GeForce GTX 970 graphics card in our Dell PowerEdge T410 server for the purpose of rendering 3D graphics. After inserting the graphics card into the PCI-E slot it became ...
0
votes
0answers
62 views

Mongodb, we can't go over 100 insert/sec on 200iops HDD

Thanks in advance for your help, we get a strange behaviour in mongodb. So we have a cluster of 20 shards, each composed of 1 master and 2 slaves. This database has a heavy load of write only. However ...
0
votes
1answer
19 views

No screen on boot, server is very noisy

I am able to use an outdated server from my work to do some testing at home as I'm pretty new to the hardware part. When booting the server remains very noisy, even after 15 mins. I'm also unable to ...
0
votes
1answer
23 views

SQL server 2008 R2 - Hardware Requirement

I have to give SQL server hardware requirement for the below specifications Number of instances <= 5 Number of databases per instance > 50 Number of concurrent users per instance <= 2000 Daily ...
-2
votes
1answer
64 views

Incorrect Disk space usage in Linux server [duplicate]

I can see the used disk quota on server is 81G for partition /dev/sda3 mounted to '/' as follows. Filesystem Size Used Avail Use% Mounted on /dev/sda3 106G 81G 20G 81% / tmpfs ...