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

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HP Compaq 8200 Elite SFF won't boot from USB drive. Solution

Can't get an HP 8200 Elite Small Form Factor to boot from USB. (MP8200 Elite SFF PC) BIOS version: J01 v02.15 ME Firmware version 7.1.3.1053 Tried on two different computers, with same BIOS version ...
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3answers
514 views

What is recommended size of hard disk for a Server?

I have heard that large hardisk >= 1TB are not recommended on the server because they can cause synching issues if one fails + their chances of failure is greater over a longer period of time as the ...
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0answers
10 views

Picking correct chassis and power supply for rackmount server? [on hold]

I'm looking to build a small compute node for my lab. I am looking to buy a Dell 40N24, 4x Opteron 6172s, and 64gb of ECC DDR3 ram. I'm now trying to figure out how form factors work for these types ...
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0answers
10 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 ...
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2answers
50 views

What is the maximum ProLiant DL580 G3 SCSI or SAS drive capacity, and are only HP drives permitted?

I was recently given a free HP ProLiant DL580 G3 configured for SCSI drives from out of a datacenter. I understand that this is an older unit, and reliability may be questionable at best, but in my ...
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8answers
3k views

Consumer (or prosumer) SSD's vs. fast HDD in a server environment

What are the pro's and con's of consumer SSDs vs. fast 10-15k spinning drives in a server environment? We cannot use enterprise SSDs in our case as they are prohibitively expensive. Here's some notes ...
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0answers
9 views

Required hardware resources for a webserver [duplicate]

I am going to run an online store that is estimated to reach 300-500 concurrent users. The application is based on Yii framework. Please tell me the hardware required for running this store ...
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0answers
41 views

Can I use a home-grade router to configure network for openstack cloud?

I'm trying to deploy a multi node openstack configuration using three physical nodes running SUSE Enterprise 11 SP3.(Controller, compute-1 and compute-2). I created a private network ...
-1
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0answers
25 views

IBM x3690 x5 Light Path Diagnostic Circle of Death Mainboard Failure?

I have serious trouble with a x3690. After moving it to a new server rack it won't startup. After connecting the server to power supply the Light Path Diagnostic LEDs turn wheels. The normal ...
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0answers
15 views

What is the key point to select Server for Database vs Server for Website [duplicate]

I would like to know, what is the key point to select between Server to used for Database (ex. used for store all data, select / insert / update all transaction) Server to used for Website (ex. ...
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votes
2answers
41 views

How To Tell If The CPU Is Dead [closed]

Hi i have a computer i use as a server (ubuntu 14.04). Recently it stopped working, but i don't know how to diagnose what hardware might be damaged? i have plugged in a monitor and when i turn the ...
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votes
4answers
67 views

When should I consider a 2 socket motherboard for Server? [duplicate]

We are buying a new server and the idea of dual socket motherboard comes up. Is 2 socket motherboard worth the price and hassle for an application that hosts a couple of websites and databases for a ...
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0answers
13 views

TV Channel website with Live streaming server hardware configuration [duplicate]

We are developing a TV channel website with live streaming on it. We are expecting medium traffic, but in special events we expect at least 10.000 ~ 20.000 viewers. What options do you think i have?. ...
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0answers
40 views

Physical stats of cable modems

I am interested in what physical stats are available for cable modems and what they say about that modem. I can think of the that sound important to me: The ability to cope with strong or weak ...
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0answers
32 views

windows server 2012R2 hpc diskless nodes min hardware requirements [duplicate]

We are evaluating how to build a clustered video encoding server based on Intel Quick Sync. This means we need Windows on the compute nodes and the Intel graphics driver needs to run. So we consider ...
0
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1answer
16 views

Underclocking/undervolting AMD Opteron Processors to lower TDP rating

How does one safely lower the TDP rating of Opteron CPUs? I am willing to sacrifice some power, but wish to keep stability. Background: I have a TYAN S4985 Motherboard with 4 quad-core Opteron 8380 ...
2
votes
3answers
214 views

Cost of running a specific server based on consumption

I have ventured across many sites in the last 3 days with no real definitive answers. Attempting to price a near to true value of the running cost of a specific server based on consumption and not ...
-1
votes
1answer
30 views

HP Proliant DL360 G6

I am working on a HP Proliant DL360 G6 Server.. When I boot it up, it shows the first screen, then a command was prompted that the Server will shut down in 5 seconds, due to Processor Fan failure.. ...
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3answers
31 views

How can I enable caching on the RAID card or Hard Disk(s)

I've got a HP ML350 G5 server running 6 disks as two RAID-5 configurations. This server has been notifying me of an empty battery on the E200i card. This seems to result in disabled cache: read and ...
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votes
1answer
63 views

how to define hardware and network requirement for future software system [duplicate]

my team is starting to work on creating functional and technical requirements for big software. As a part of this assignment we are asked to provide well grounded hardware requirements. I have no ...
-1
votes
1answer
68 views

HP ProLiant DL360p LSI 9211-8i

I want to bypass the Smart Array Controller built into the HP ProLiant DL360p Gen8 (P420i) with an LSI 9211-8i (I need JBOD or pass-through support). Can anyone tell me how to accomplish this? Edit: ...
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2answers
86 views

Does this hard disk match with the HP ProLiant ML350 G5?

I've got an offering for the 300 GB SAS 10K 2,5" hard disk. Will this fit in my HP ProLiant ML350 G5 server. The description in the manual isn't that clear. I'm just don't want to buy something that ...
4
votes
2answers
192 views

Interconnecting options for server rack and network rack?

This is my first post on Stack Exchange after years of roaming around. I'm having difficulty deciding on a rack setup that meets our company's needs for scalability, management, and future proofing. ...
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2answers
40 views

Converting from RAID 1 to RAID 0

We have 2 x 600GB SAS 15K drives configured in RAID 1 through a PERC H710 RAID controller in a PowerEdge R620. Question. Can we convert this to RAID 0 without having need for a OS reinstall? If so, ...
3
votes
1answer
109 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 ...
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3answers
58 views

HP array device fails after pci slot change

i changed my HP 410 smart array controller from one pci slot to another because it was faulty. After the change the logical unit i had fails showing one disk as unassigned and a new one into the array ...
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2answers
40 views

Having trouble mapping solaris drive paths to physical disks

I have a supermicro box with 24 drives in front and 12 drives in back. It's running x86 solaris 10 with zfs. Here is the output of zpool status: NAME STATE READ WRITE ...
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3answers
145 views

Migrate SAS disks from E200i to B320i Smart Array

I have an older HP ML350 G5 series server with 4 SAS 72GB hdds in RAID 0+1. It's down and beyond repair. So I was wondering would it work if I was just to plug those in newer server with B320i RAID ...
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0answers
6 views

System's hardware requirements for Symfony2 [duplicate]

I have this web-blog I'm willing to deploy online. I have yet no idea what kind of hosting I should get. I'm sure shared-hosting is not one of them as SSH access is not possible. If I'm getting a ...
0
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1answer
56 views

How to find mainboards that supports Self Encrypting Device (SED) in BIOS?

There should exist mainboards that support Self Encrypting Device (SED) in BIOS, so when connecting a SSD which have SED support, and SED have been enabled in the BIOS, it prompts on bootup for ...
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1answer
36 views

Old Proliant DL360G5 failed and now won't boot

An old server I know but I am a very small business on a shoestring :) I have a Proliant DL360G5: Single PSU All memory slots full (16GB) 2 CPUs (Xeon) 2 x 250GB drives mirrored Running Windows 2012 ...
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1answer
571 views

How to mount an USB drive under VMWare ESXi 5.5?

I want to mount an USB drive to VMWare ESXi 5.5 host. The USB drive is visible with lsusb : Bus 01 Device 03: ID 154b:0095 PNY But not under /vmfs. Under /dev/disks/ I see many entries, but dunno ...
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1answer
135 views

SAS-3 vs SAS-2 HDDs

What are the main differences between SAS-3 and SAS-2 HDDs? Are there performance differences? Suppose we are talking of 10k rpm disks, ~1 TB, in both cases. Regards,
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1answer
39 views

Hp Proliant DL380 G4 Power on without Backplane [closed]

I got an HP ProLiant DL380 G4 for free and want to use it with SATA HDDs as described here: http://serverfault.com/a/516949/290693 But how can i power up the server without the SCSI backplane, because ...
-2
votes
1answer
36 views

New dual processor server does not boot [closed]

I'm building a machine and having a nightmare getting it to boot. It turns on, but does not display anything on the screen and the 7 Segment LED on the motherboard shows QCode 61, which according to ...
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2answers
138 views

X5690 compatibility + HP DL360 G6

Does anybody know if the X5690 is compatible with the HP Proliant DL 360 G6? I got a pair of X5690s and a DL 360 G6 but i am unable to get any video signal. The fans spin up like crazy and that is ...
2
votes
1answer
34 views

Does SAS server rotate always in it's default speed (like 10K, 15K)

I have some concerns about disk throughput in order to plan my SQL Server deployment. I know from experience that consumer SATA disks sometimes go into sleep mode when not used for a longer period. Do ...
0
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1answer
50 views

Where to buy a 48VDC power supply for a server? [closed]

Where can one buy a power supply for a server that has -48VDC power input (like this one, for example)? Which power supplies would you recommend? EDIT: I am looking into integrating a server like the ...
3
votes
1answer
89 views

Debian Server Keeps Restarting Unexpectedly

My laboratory' server with Debian-Wheezy-7.8-Stable keeps restarting few times after some hours of uptime without any notification. This server is set up for considerably high load numerical ...
1
vote
1answer
183 views

HP ProLiant DL360 G6 won't boot

I have an hp proliant DL360 G6 server that was 1 year stopped.. I turned it on last week and it was working just fine. So i left it working during the weekend. On Monday when i returned i notice ...
0
votes
2answers
70 views

What are the procedures for upgrading a ProLiant ML370 G5 firmware REMOTELY? I'm thinking via its iLO, and if so, where do I access to do the upgrade

What are the procedures for upgrading a ProLiant ML370 G5 firmware REMOTELY? I'm thinking via its iLO, and if so, where do I access to do the upgrade. Firmware files are already on the server's C: ...
13
votes
4answers
1k views

Copy Linux host to new hardware

I need to do host to host migrations from old hardware to new hardware. Specifically, from HP BL460G7 to HP BL460G8. Both the old and new servers have 2 x 600GB 2.5" drives and are configured for ...
2
votes
1answer
52 views

HP DL180 G6 - Are 6G/s speeds obtainable?

I have a DL180 G6 server with 12x 2Tb 6G/s SAS drives. I was only getting 3G/s reported. I then went and purchased a P410 controller with 512 Meg cache and battery. I loaded up the drives with Server ...
2
votes
1answer
63 views

Unbalanced server memory configuration concern [closed]

A request for a server (HP DL 160 Gen9) with 2 processors came through with a weird RAM configuration request today. They requested 2 8GB DIMMs and 1 16GB DIMM. Are there any numbers out there which ...
2
votes
1answer
53 views

Can't execute any command

I can't execute any command on my Debian server, for exammple if I try to execute "reboot" command I have this : root@server002:~# reboot -bash: /sbin/reboot: Input/output erro Or if I want to ...
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2answers
65 views

Raid 6 with HP P421?

I cant figure out if I need to buy a licens key to enable Raid 6 for this raid controller? I can't find where to buy one and I find pages where it says that its now free. sudo hpssacli ctrl slot=1 ...
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0answers
9 views

turn server hardware configuration [duplicate]

I want to deploy TURN server on CentOS 6.0 which can handle 5000 audio video connections at a time. Can any buddy give me minimum hardware requirement for it? Specifically number of CPU, RAM and ...
0
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3answers
82 views

How does a server main board measure watt usage?

We just got a new Server. In the sensors panel there are not only temperatures and fan speeds but also "watt usage"... Is this value somehow calculated or is it a real sensor on the supermicro main ...
2
votes
2answers
142 views

Why does a ZFS resilver scan the entire pool?

I have a zpool where I have just replaced a failed disk, and started a resilvering to the new disk. What I don't understand is, why zpool status says it want to scan 129TB, when the size of the vdev ...
2
votes
2answers
201 views

HP microserver gen8 - Win server 2012 r2 does not see the internal HD - asks for a driver

I have just taken delivery of the base spec Microserver gen8. I have installed a WD 1Tb drive in slot 1, and the BIOS/RAID controller finds it. However when I come to install Win server 2012 r2 it ...