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

learn more… | top users | synonyms

0
votes
1answer
12 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
3
votes
3answers
6k views

Is a hardware watchdog already active at my CentOS server?

I rent a dedicated server (with Intel Haswell CPU and custom hardware) at a lowcost hosting service and use it with CentOS 6.4 / 64 bit Linux (with stock kernel: 2.6.32-358.14.1.el6.x86_64). Every ...
14
votes
9answers
18k views

Physically Identify the failed hard drive

So, let's say your server had 6 healthy hard drives. A drive fails (will not mount/detect, drops out of raid with errors) or is failing (SMART getting worse, etc). You need to swap out the bad drive....
-3
votes
1answer
19 views

Dell 2850 Server Not Working, Power button blinks [closed]

I got a 2850 server from a friend and the power button blinks and wont even start. I noticed it does not have a PCI Riser Card installed. Is this the problem? Thanks for all the help even if this ...
1
vote
2answers
36 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
18 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
2answers
1k views

HP ML150 G6 upgrading RAM/CPU beyond specs?

I am being told that some limits on some HP servers can be crossed. Do any of you have any experience with that? A ML150/G6 is limited to 48GB RAM but I have been talking to a German company that ...
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. ...
5
votes
3answers
2k views

FreeBSD server - certified compatible hardware?

I am looking for recommendations for hardware that is "certified" with FreeBSD (8+) I suspect I am looking for a small server manufacturer that will build me a server that "just works". I have read ...
-2
votes
0answers
41 views

The noise about R720xd server

Recently I get a R720xd server. But I found the IDRAC shows the six fans' speed are up to 6800 RPM. It is too noisy .I remember the R720 defalut fan speed only 2000+ RPM. Here are the hardware ...
0
votes
1answer
43 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
96 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
16 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 ...
1
vote
5answers
4k views

How to check if my hard-drive are on RAID5 or RAID6? - Windows Server

I'm not sure if a server I own has been setup on RAID or not. Is there any way to check this within Windows, rather than relying on what the company support tells me? Any ideas? :)
-1
votes
0answers
41 views

Connecting two mini-SAS SFF-8087 together

I was wondering if it is possible to connect two SFF-8087 ends together. I have two mini-SAS cables in my server. The server is from HP and both cables are from the local HP reseller. One SAS cable ...
3
votes
1answer
88 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
13 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 ...
10
votes
2answers
22k views

How exactly does a SAS SFF-8087 breakout cable work? + RAID/connection questions

Please let me know if my question does not makes any sense as I am not sure if I am interpreting it correctly from my thoughts due to my lack of technical knowledge on this. If I am using a ...
2
votes
1answer
333 views

I shouldn't use both RDIMMs and LR-DIMMs on the same motherboard, right?

I tried to use on the same motherboard at the same time: Three LR-DIMM memory sticks, Four RDIMM memory sticks. The server refused to start; when I use either three LR-DIMM sticks or four RDIMM ...
2
votes
2answers
65 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
23 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
54 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
29 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
24 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
36 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
55 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 ...
1
vote
1answer
70 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 ...
-2
votes
1answer
73 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....
3
votes
1answer
60 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
4answers
3k views

IBM Xseries 3400 only working while power button holding pressed

I have an IBM xSeries x3400 Intel Xeon server which only works while someone holds in the power button. My server stopped working and I sent it to IBM Service. After a few hours they told me I could ...
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 ...
8
votes
6answers
8k views

Where do you find your MTBF data?

Mean time between failures may be difficult to interpret, but there is a wealth of statistical method that you can use if you have some hard data. Trouble is, nobody reports their MTBF numbers ...
-2
votes
3answers
213 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
0answers
63 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 ...
10
votes
2answers
833 views

How can I tell if the server supports hot-swapping drives?

I recently purchased a used server (the type that fits into a rack, rather than a free-standing machine). One nice feature, is rather than having to open up the cover and unscrew the harddrives, this ...
0
votes
2answers
2k views

ECC CE (Correctable Error) occuring every 5 minutes exactly

On one of our computing nodes I am getting ECC CE (correctable errors). What is a little bit peculiar about is is that errors are not massive, just a single occurrence exactly every 5 minutes. ...
1
vote
1answer
66 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
15 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
448 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 ...
24
votes
2answers
15k views

What is the command to flash a NIC link light?

I remember using a command line tool to flash a NIC's link light to identify it. I can't remember for the life of me what it was.
0
votes
1answer
56 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
50 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. ...
0
votes
1answer
58 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 "...
3
votes
2answers
546 views

HP B120i RAID0 very slow to read data from disks

I have a HP DL320e g8 v2 server running CentOS 7.1 (kernel 3.10.0-229.4.2.el7.x86_64). This server comes with a B120i onboard SmartArray controller, and it was configured with two identical 3TB ...
1
vote
0answers
53 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 ...
0
votes
1answer
38 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'...
2
votes
1answer
43 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
0answers
66 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 ...