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

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0answers
11 views

Vertical mounting of heavy servers [on hold]

Living in a small apartment, my Dell PowerEdge servers takes up a lot of floor space in its horizontal configuration, so I thought I might mount it vertically, seeing as I only have 6u worth of ...
2
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1answer
38 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. ...
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votes
1answer
21 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 ...
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0answers
16 views

Server Hardware Configuration For Performance Testing [duplicate]

What is a good server hardware configuration for performance test? How can I understand how much Ram, Cpu and ... I need?
0
votes
1answer
45 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 ...
-1
votes
0answers
11 views

How can I calculate the hardware I need for a WAMP server? [duplicate]

Hello I need to find a way to calculate what kind of hardware I need to run a WAMP server that will host a SMF forum and a wordpress blog. and expecting about 75 hits/day. What do i need to calculate ...
2
votes
1answer
90 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 ...
1
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1answer
83 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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votes
2answers
63 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
531 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
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0answers
59 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 ...
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votes
1answer
77 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
218 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
1answer
59 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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votes
1answer
44 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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votes
1answer
82 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 ...
4
votes
2answers
129 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
45 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
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0answers
80 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
266 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
79 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 ...
0
votes
1answer
39 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
56 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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2answers
251 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 ...
0
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0answers
20 views

Is it possible to disassemble an APC Netshelter SX enclosure?

I need to move an APC Netshelter SX 48U from one room to another, but the new room is lower than the current one and I cannot install it without disassembling it. According to APC, these enclosures ...
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votes
2answers
89 views

Theoretical hardware recommendation for low-latency infrastructure [closed]

I do algorithmic trading as a hobby, and I'm about to step up my game in terms of latency. I have two questions regarding appropriate hardware and database software. Question 1. Before I will ...
1
vote
1answer
200 views

HP DL380 Gen8 doesn't turn on

We have a HP DL380 Gen8 in one of our data center and it is connected to a UPS, I checked the ILO and know that due to unstable electric powe,r the server has been shutdown with the following error: ...
1
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2answers
91 views

Can I take a mirrored raid drive and use it in another machine

I have about a dozen low end servers of varying makes and models and most have mirrored raid. I'm a bit confused about whether after a disaster (that hasn't harmed the drives) can I can take a drive ...
5
votes
2answers
456 views

Which STONITH hardware for power fencing?

I'd like to setup a two node high availability cluster using corosync/pacemaker/drbd. For that, of course, I need fencing. As far as I understand, all IPMI/iLO/... solutions do the job, but only as ...
0
votes
1answer
92 views

Windows server 2012 R2 drivers for Fujitsu CELSIUS R930 Power

I'm trying to install Windows Server 2012 R2 on a Fujitsu CELSIUS R930 Power workstation and have problems finding the right drivers. Fujitsu "tech support" won't help me - they don't support server ...
1
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1answer
52 views

lvm and hardware raid: hardware raid 5 and raid 1 in single volume group?

I have a system with pre configured hardware RAID. It has 2 disks in a RAID1 configuration. It has a further 6 disks in a RAID5 configuration. The 6 disk RAID5 is split (by the hardware) to look like ...
0
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1answer
63 views

Put NIC under heavy load [closed]

I think I've got a faulty NIC so I want to put it under heavy but controlled load to see if and when it dies. How can I generate such a load? The NIC is in a Hyper-V host with Windows and Linux ...
0
votes
2answers
95 views

1 x Raid card and 6 sata drive over 1 SFF-8087 port [closed]

I have a question regarding LSI00328 LSI MegaRAID SAS 9271-4i Can I connect 6x sata drives to -4i card or I need -8i version
1
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1answer
363 views

HP ProLiant DL380 G6 with 2 x Intel x5650 CPUs

I have an old HP DL380 G6 server, I am trying to upgrade the processor. I added 2x X5650. but each time I powered the server on, the fans stat working loudly and keep like that. the server never never ...
0
votes
1answer
62 views

How big are my disk arrays?

On my SunOS 5.10 host are there 3 Sun 6140 disk arrays, and I would like to know the disk capacities. According to zpool list do I have a 5TB and 16TB pool. format shows me only 12 disks c2t1d31: ...
13
votes
2answers
1k views

What RAM options do I need to know before buying Server RAM?

This is a proposed Canonical Question about Server Memory. I have to buy a Dell R420 server and there are various combinations (1600 and 1333 MHz RDIMMS and UDIMMS) and Performance Optimized vs. ...
2
votes
3answers
2k views

What is the difference between a HBA card and a RAID card?

I thought I knew the difference between HBA and RAID. In my mind, HBA is offloading from the main motherboard/CPU and is simply JBOD... usually has an external SAS ports, whilst a RAID card does the ...
4
votes
2answers
577 views

Is there a way to check that the hardware of one server is the same as that of another?

We have three Ubuntu (trusty) servers taking requests. One of them is having a variety of weird problems that we are trying to find the cause of. Firstly, we want to rule out hardware differences. So ...
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votes
1answer
319 views

Why does a low level format take very long time?

I can write ~100MB/s on a particular 4TB SAS drive when it have a file system on it, but a low level format on this drive took >16 hours. That's ~70kB/s. Since there is not filesystem and only zeroes ...
2
votes
1answer
80 views

Cisco switch, white residue in switch ports

I have 2 cisco small business switches, unknown age and provenance, both have developed a white residue on some of the switch ports as below image: Any ideas what causes this? It looks a little ...
0
votes
2answers
69 views

Is it safe to put non-standard units inside racks?

Is it unsafe or might the request be denied by some companies that offer colocation to put non-standard units inside a full rack? This is my case and, speaking of dimensions, it fits. Also, as you ...
4
votes
1answer
2k views

Proliant DL380 G7 won't boot, solid amber power LED

I have a problem with an HP Proliant DL380 G7 that leaves me without much in the way of troubleshooting approaches. This server will not boot. It was stored in a datacenter, and I went to retrieve it ...
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votes
1answer
62 views

Hardware solution for small IT company [closed]

I'm starting up a small programming company for web development soon, so I have couple of questions and dilemmas in my mind. First of all should I go for standalone machines for each programmer or ...
0
votes
0answers
27 views

Can I Use Different Versions of CME and CUE

I am running CME 8.6 on a Cisco 2811. I would like to install NM-CUE and run CUE 7 with this. It this possible, even with a version mismatch?
0
votes
2answers
220 views

Are AMD Opterons more reliable than AMD FX CPUs?

AMD Opteron CPUs are marketed for servers, and FX CPUs for desktops. However, both support ECC, and while only Opterons support registered RAM, the issue is unrelated to reliability. So, what makes ...
0
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2answers
497 views

RAID consideration for 24 Disk Array

I have here a 24 Disk Array with 3.7 TB disks in it. What would be, performance wise a good configuration when using a RAID 6: RAID 6 over all 24 disks or should I use 2x12 disk RAID 6 and than a RAID ...
8
votes
5answers
684 views

Hot spare host vs cold spare host?

We have several hosts where we have an identical hot spare host, which is patched and updated so it is very close to have to same software and config. In case of failure the network cable is switched ...
2
votes
3answers
707 views

Performance of HP SSDs in HP servers

I am trying to find performance data about the official SSDs offered by HP for their servers. I can hardly find any specifications on the HP website or somewhere else on the Web. The device I am ...
1
vote
1answer
102 views

Box to create a VNC to multiple servers' VGA output and keyboard

My boss has ordered me to find a box that we can connect to our 8 servers, so that we can view the VGA output and use the keyboard as if we were sitting directly in front of the server (i.e. see that ...