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

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28 views

Advice on hardware for VPS hosting [duplicate]

I am planning a VPS setup that will allow me to quickly (within 1-2 months) host 100 VPSs with the following specs for each VPS: 1 GHz CPU 512 MB RAM 20 GB SSD I plan to use Cloudstack to handle ...
0
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1answer
31 views

How standardized are rack server components? [on hold]

I have a couple of servers at home for personal use, and I'm considering replacing them with rack servers that I'd scrounge up in used condition, just for easier management and whatnot. I don't have ...
-3
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0answers
28 views

DNS Server Hardware Specifications for 100,000 or 200,000 Queries Per Second (QPS) [duplicate]

I hope everyone is fine. I am planning a load testing on DNS Server. I want a single client to send upto 200,000 QPS. The thing is that now I am going to buy/utilise the Hardware that will run the ...
21
votes
3answers
2k views

What is this wiring panel and what are these Ethernet “ports?”

In my office's building there is a stone-age LAN rack with some Ethernet ports I've never seen before. I need to find the name of this ports, if they have one, and then buy some cables or adapters. ...
1
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3answers
34 views

Is it possible to find a computer's physical location in a room?

I'm currently working on our network monitoring system (NMS) project, and I want to know if there's a way for me to pinpoint where each PC is currently at. Say, for example, we have a room with 40 ...
1
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1answer
34 views

Is it safe to use PoE injector for routers that do not support PoE

We bought an Asus router n66U to be installed in a tourist bus along with a server. The bus has a inverter to supply a 220V AC. However, there can be abrupt power fluctuations specially during ...
-1
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0answers
17 views

Minimum hardware requirements for live video streaming service [duplicate]

I am planning to build a live video streaming service where I will have no more than 10 RTP stream sources to be encoded in Linux using ffmpeg to mp4 and ogg, then streamed to a network of no more ...
0
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0answers
19 views

Power multiple 5V/12V devices off a single transformer? [migrated]

I have these devices in my cabinet (Q-Panel) that have these power requirements: 21V 1.2Amp 5V 500mA 12V 1.5A 12V 1.5A 48V 1.25A Obviously I can't do much about #1 and #5. I want to be able to ...
7
votes
1answer
97 views

Automated hardware testing of HP servers?

As part of provisioning servers we run HP's Insight Diagnostics to test the hardware. This is a manual process. Is there a way automate the running of Insight Diagnostics? There is the hpdiags ...
1
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1answer
17 views

Finding out which cciss disk is what /dev/sdX disk (smartmontools & cciss raid controller)

I have a HP server, which has a hardware RAID array (that mostly isn't being used for raiding, the disks are just passed through to the Linux OS). I have 6 SSD disks. 2 are riad mirrored together by ...
0
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0answers
8 views

Belkin Enterprise KVM - Displays 88

I just picked up a used Belkin OmniView Enterprise (F1DE216C), and it powers on, but both displays show 88 instead of the expected bank ID. There isn't any output on the attached console screen, ...
1
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1answer
35 views

is it possible to move hard disks in raid 5 to pc without raid controller for accessing the information Temporarily?

I want to rebuild my array (RAID 5) for expansion. In the current configuration, I have 3x320GB hard disks giving me about 600 GB usable. I want to replace these hard disks with 3x1TB hard disks ...
1
vote
1answer
65 views

SD card for iDRAC 6 Enterprise - Dell vFlash or “normal” SD card?

I have got the built-in iDRAC 6 Express working on our Dell R610's, but I am about to get some iDRAC 6 Enterprise cards, which can be gotten fairly cheaply on eBay (around 20 USD at the time of ...
2
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0answers
47 views

BUG message on xenserver 6.5 - bad memory?

Several times a day I receive the following error in /var/log/messages. The server hangs and requires a reboot to respond again: Feb 1 13:44:54 xenserver-abfuqvrs kernel: [35023.166776] BUG: unable ...
-3
votes
1answer
85 views

How many hours of SMART power on hours use should a new hard drive have?

Purchased a new HGST hard drive. Using smartctl on OS X the new drive shows 71 hours of power on hours Does this make sense or is this a sign of a refurbished drive? I can't imagine why the ...
2
votes
2answers
105 views

Fan Speeds on SuperMicro System via IPMI

I have a SuperMicro 4027GR-TRT server that I am running multiple GPUs in. I would like to set the cases fan speed higher that what they are right now using IPMI, although I am not sure how to do it. ...
0
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1answer
56 views

Does the SAS Expander / Backplane matter?

If I am buying some used servers with 24-25x SAS that I hope to someday upgrade from 6Gb/s to 12Gb/s RAID, do I need to be concerned at all with the backplane that the drives are plugging into not ...
0
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1answer
57 views

Ubuntu 14.04 Cloud Server - Disks gone Read Only

Disks on our cloud server with our web host went read-only this morning for no apparent reason. Following that a reboot to try and rectify the issue resulted in a non-bootable system. Our Web Host ...
2
votes
3answers
142 views

What are the differences between consumer grade SSDs and the much more expensive enterprise SSDs?

I am in need of a terabyte or so of storage space for Lucene indices on a testing server. I'm having a hard time differentiating between disks like the Samsung 840 evo for about $450 vs SSDs with ...
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votes
1answer
33 views

Dell R410 and X5690 wont boot

I have an R410 that we opened up to upgrade from 2 x E5520 to 2 x X5690. However after the upgrade network didnt work and we could not even get a monitor output. We tried swapping CPU positions and ...
3
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1answer
70 views

cannot remove faulty device from LVM2 raid1 mirror

One of the three disks went off in my LVM raid1 logical volume. (It was a bad experiment actually). The volume is a pure LVM raid1 one (no, not an LVM mirror), without any mdadm / fakeraid. The ...
0
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1answer
47 views

Which is the physical device behind the logical /dev/___ device

From time to time I get myself dealing with this same problem: from a linux logical block device (something below /dev/), I need to find the actual hardware behind it (something probably being listed ...
2
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1answer
102 views

Data Transfer Speed Hardware Config

First off, I am sorry if this gets a little scattered, it encompasses a large problem for me I have been dealing with for some time. Here is a little background: I operate an educational website ...
2
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1answer
124 views

Replacing a failed drive - RAID 1

I have a Dell PowerEdge r310, MS Server 2008, RAID 1 setup. I had a two drives fail in the RAID 1 - leaving only one drive in a healthy state. Picture of disk management: I changed the primary ...
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1answer
43 views

What does “disti 5 pack” mean in the context of Intel's server boards? [closed]

I've just ordered a motherboard for a new server I'm building. It's description says "INTEL DBS2600CP4 BOARD S2600CP4 DISTI 5 PACK BOARD". However, since I had previous issues with Amazon's ...
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1answer
122 views

IBM X3850 M2 (7233) server hard drives - Novice help needed

We have just bought a used IBM X3850 M2 (7233) server. The plan being to use it for CFD analysis calculations, taking the workload off our workstations. Not being an expert on these matters... Can I ...
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2answers
64 views

Parallel disk seek with JBOD

I'm looking to build a 80 TB file based storage system. Ideally, I'd like to do this with a large JBOD and one server with a lot of cores. My question is: Will JBOD containers (like Intel's) allow ...
4
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6answers
565 views

What are the the potential drawbacks of using non-OEM hard drives in a server?

I'm currently speccing a Hyper-V host for my company and would like to use solid state drives for local storage. The problem is, most oem drives have a hefty premium when compared to retail ...
0
votes
1answer
31 views

Can I use Emulex LP9802DC-E Dual Channel PCI-X host bus adapter to replace failed LP9002DC-E?

One LP9002DC-E HBA card has failed, and I have trouble finding an exact replacement. However, I was able to find a supplier for LP9802DC-E. From what I can understand on paper, the only substantial ...
0
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0answers
65 views

E5-2667V3 or E5-2640V3 for HP BL460c Gen9 and Oracle Linux 6 + Oracle 12c

We are currently designing a new shared environment (2-4 nodes cluster) which will have: HP BL460c Gen9; OEL 6.6; Oracle 12c database on Oracle Grid infrastructure (with ASM). The plan is to have 8-10 ...
1
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1answer
105 views

Can I safely mix RAM (ECC) sizes in a server board?

I have a server (actually used as workstation) with a Supermicro X8DA6 motherboard, with 2 installed Intel X5650 processors. It uses ECC RAM. It currently has 6 Kingston KVR1333D3D8R9S/4GHB dimms ...
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votes
1answer
79 views

“//” button on hp server case [closed]

I was wondering what the button with the symbol "//" does? I couldnt find much from a google search. It is a HP server case, product number SCS299UP.
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votes
1answer
290 views

HP ML310e Gen8 v2 is really noisy [closed]

I have a ML310e Gen8 v2 and a problem on initial setup the server. The problem is with the Fan noise and speed. The server is fully updated with the latest firmware available from HP and the setting ...
0
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0answers
14 views

Can nodes with an Intel Atom processor keep up with glusterfs? [duplicate]

I'm considering hardware for a glusterfs replica volume. Each brick would reside on a node each, and I've been looking at a Supermicro 5015A-PFH for the nodes. This server comes with an Atom ...
0
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1answer
75 views

Choose hardware for MySQL server with 1-2k rps [duplicate]

I am looking for new DB server. I'd like to know your opinions and recommendations. Current server spec: We use DB server for website with 100-200 req per sec(i plan growth up to 200-250) Today we ...
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1answer
47 views

Possible to cascade HP StorageWorks P4300 G2?

From my understanding HP StorageWorks P4300 G2 is intended to be multiplexed over 1Gb ethernet when used as a SAN, where half of them should be in a remote location. If all 4 are next to each other, ...
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1answer
90 views

What should an Ops person know about hardware for an interview? [closed]

It is easy to find typical interview questions for sysadmins and network engineers, but when I search for hardware engineer (hardware operations engineer) I can't even find one site with typical ...
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votes
1answer
55 views

Layout for virtualisation of 50 desktops [closed]

We are planning to deploy 50 virtual desktops(for normal users) using thin client hardware and VDI solution(using VMware or Citrix).Currently we have'nt virtualised any of the physical servers.I heard ...
4
votes
2answers
188 views

SAS Expander backplane performance drops when more than 8 drives are active?

We are using an LSI 9211-8i raid controller (flashed in IT mode) in a PCI-e 2.0 x8 slot. It's connected to a supermicro SAS 836EL1 backplane with 1 SFF-8087 cable. We have 16 drives installed. When ...
0
votes
0answers
50 views

Additional hard drive not detected in BIOS

So I'm working on a server which has a Tyan S2937 motherboard, and 2 CPUs. I have a drive bay capable of supporting 6 drives, and the motherboard has 6 SATA connectors. I want to setup the system ...
1
vote
0answers
105 views

IBM Power 750 Express SCAN_ERROR_CHRP message

I'm seeing the following error on my IBM Power 750 Express (8233-E8B) server. From errlog, I see: Sep 15 sysplanar0 P PLAT_DUMP_COMPLETE Sep 15 errdemon T ERRLOG_ON Sep 15 sysplanar0 P ...
3
votes
2answers
295 views

Hardware mods: kludging a conversion from U320 SCSI to SAS/SATA

I apologise if this isn't an appropriate question for this forum. I've an elderly server that works well and that I'd therefore prefer not to scrap entirely. But I would like to replace the current ...
1
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1answer
99 views

HP ProLiant dl360 G4 with external backup

We are running a HP Proliant DL360 G4 with external HP Storageworks Ultrium 960 tape drive attached at the moment. Unfortunately the tape drive failed over the weekend and we are looking to upgrade ...
2
votes
2answers
709 views

Is there a way to tell the runtime of a RAM module?

I'm planning on buying used RAM which was supposedly only used for a very short time. However, I'm afraid the seller might underestimate. Is there any way I can confirm the time for which the RAM ...
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votes
1answer
50 views

any help on how to build a rack server? [closed]

i have no experience with servers at all, but i would like to know how to build a rack server in my freezing garage, i have done some research and bought a cabinet, an Ethernet switch and loads of ...
0
votes
1answer
41 views

CPU clarification in vCenter

So i'm running a lab on a Dell PE R410 2 X 4C 2.26Ghz, this evening I saw that vCenter is showing that the processor is @ 2.27Ghz. It's not that big of a deal but was curious as to why there is that ...
0
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0answers
62 views

Allow Non-Administrators to Install Specific Devices - Classes

I'm automating driver installation with the use of a central driver store. An important part of this approach is to add the Class GUID's of the devices/drivers to the GPO (Allow Non-Administrators to ...
0
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1answer
59 views

Which port is the High-speed USB 2.0 port on a PowerEdge R900

I want to connect a relatively low-speed SSD to a PowerEdge R900 because I need something with a decent read/write speed (nothing over 35-40MB/s) and I was having trouble identifying which USB 2.0 ...
0
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1answer
50 views

Router/Firewall Hardware Failure Testing

My company has a Sonicwall Pro 3060 Enhanced that has been in service 24/7 for about 10 years since it was originally purchased. Lately the box has seemed to have hiccups in passing traffic (although ...
0
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2answers
364 views

HP DL360 vs DL160 Gen9 [closed]

What is the advantages of HP DL360p Gen9 comparing to HP DL160 Gen9? I need server for HFT trading, requirements are: Solarflare or Mellanox network card latency speed one Xeon E5-2690 v3 processor ...