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

learn more… | top users | synonyms

-4
votes
0answers
23 views

Deploying Production Linux Servers on hard drives [on hold]

When deploy Linux servers how would your partition the drivers within servers that use mySQL, LDAP, storage, etc.? Do you have a separate RAID array in RAID 1 with the Linux OS on it then have a ...
0
votes
2answers
29 views

PowerEdge 2950: Can E2118 result in E1422

The past few days I've been setting up a used Dell PowerEdge 2950 server. It's been running fine until just now, when it suddenly stopped while running a fairly heavy task (svnadmin verify). The LCD ...
0
votes
1answer
21 views

R610 PERC 6iR - Incompatible with SATA

I purchased a couple R610 servers which has been a constant source of frustration lately. I got a heck of a deal on them with a single 2.93 Ghz processor and 96GB RAM, so I cannibalized one and got a ...
8
votes
0answers
62 views

Understanding NVMe storage and hardware requirements

I'm a bit confused about the recent developments in PCIe-based storage, particularly as it relates to the NVMe specification and its hardware compatibility. While I've worked extensively with SSDs in ...
1
vote
0answers
23 views

PCI-E with mPCI-E Sandisk won't boot

Configuring a 'new to me' Dell R610 with 6 15K SAS drives, each set paired up into a RAID 1 and then a Sandisk 256GB mPCI-E ...
0
votes
0answers
7 views

Bios clock sets itself forward by 8 hours when the computer is rebooted. [migrated]

Some quirky things just started happening recently. I built a new computer about 6 months ago. The motherboard is a Asus x99 deluxe. Here: http://i.imgur.com/7CQmW6O.png is a basic rundown of ...
4
votes
1answer
53 views

Are my disks failing and causing high load on linux?

Today I did apt-get update && apt-get upgrade on Linux Ubuntu 12.04.5 LTS server. Everything went fine. Four hours later monitoring tools alerted me that disk I/O is overloaded. I/O wait has ...
-4
votes
1answer
41 views

Is this price right? [closed]

I am not sure if this is the right place for this, but I do feel as if it is related. I recently bought what I was told is a server from a local Computer Shop. In total the price is £225. I have ...
1
vote
2answers
18 views

Single E5-1600v2 on Dual Socket motherboad

Is it possible to install one E5-1650 v2 on each node on twin 1U, dual socket supermicro 1027TR-TF server? I know that E5-1600 series cannot run in dual socket configuration. The question is that ...
-1
votes
1answer
28 views

Getting Rid of the Old/Worthless Data Center Equipment [closed]

I have old and completely worthless routers/modules that are rotting in my office closet from various data center upgrades. I doubt anyone would want to buy this stuff (feel free to contact me ...
-1
votes
0answers
12 views

How do I find out correct server hardware configuration for a application [duplicate]

I was trying to find out the correct hardware configuration to setup my server. Basically mine is a web based application(LAMP) expecting medium to huge traffic. It includes lot of database ...
-7
votes
2answers
149 views

Server destroying and burning my Hard Drives [closed]

Before I start, let me inform you that I have been working as an IT Manager for large international companies for my whole life, and I have received masters degree from IT technology. I therefore ...
-2
votes
0answers
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
votes
1answer
39 views

How standardized are rack server components? [closed]

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
votes
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
vote
3answers
48 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
vote
1answer
38 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 ...
7
votes
1answer
117 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
vote
1answer
26 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
votes
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
vote
1answer
38 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
114 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
votes
0answers
62 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
103 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
152 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
votes
1answer
65 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
votes
1answer
72 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
176 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 ...
-2
votes
1answer
40 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
votes
1answer
98 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
votes
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
votes
1answer
103 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
votes
1answer
152 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 ...
-3
votes
1answer
45 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 ...
1
vote
1answer
152 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 ...
-1
votes
2answers
67 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
votes
6answers
590 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
37 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
votes
0answers
77 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
vote
1answer
133 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 ...
-3
votes
1answer
80 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.
-1
votes
1answer
317 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
votes
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
votes
1answer
83 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 ...
-1
votes
1answer
50 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, ...
-1
votes
1answer
93 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 ...
-5
votes
1answer
56 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
233 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
54 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 ...