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

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2
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1answer
53 views

Does SAS server disks 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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0answers
125 views

The RAID array shows up as DEGRADED, but all drives are OK

The current RAID controller I am using is an AMCC 3ware 9690SA-8I SAS RAID Controller. I have just received this server unit used, and going into this blind; I have no idea how long it has been this ...
5
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6answers
7k views

Get server hardware details for ubuntu server

I want to know what is command which will show me servers hardware [through ssh access], like how much Gb RAM is installed, cpu speed, and so on. Thank You.
3
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6answers
6k views

I want to inventory the hardware of my Linux systems using only ssh on the client end

They are a mix of Red Hat and CentOS 5.x, I'd like to have something on one host that can check basics like cpu/mem/disk hardware, Model, HW RAID controllers, etc would be nice. I have key based ssh ...
2
votes
1answer
110 views

HP DL380 G7 - Voodoo Technology

I have a HP DL380 G7 which on boot gives the following message: HP Proliant Voodoo Technology: NDA Required - Error: Processor does not support Proliant Voodoo Technology I've searched the web high ...
0
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0answers
61 views

The difference in performance of different memory mount in dell poweredge R430

There are 3 servers R430 (S1, S2, S3). All of them have 2 procesors and 8*8GB of ram in slots A1-A4 and B1-B4. There is a need of extending memory. I've read dell recomendations (http://www.dell.com/...
0
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5answers
190 views

What to call the box containing the CPU, Graphics Card, etc [duplicate]

Possible Duplicate: What do you call the main component of a computer system? I have a hard time talking to our techs when I want what I call the "tower" serviced (even though the stickers would ...
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3answers
1k views

Are there different kinds of Mini SAS to 4x SATA reverse breakout cables?

I have an RPC-4224 case that has 24 bays with 6 Mini SAS ports. I needed a cable to break out one of them into 4 SATA ports, so I went down to my local Fry's Electronics and bought one. The cable came ...
16
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5answers
12k views

ZFS best practices with hardware RAID

If one happens to have some server-grade hardware at ones disposal, is it ever advisable to run ZFS on top of a hardware-based RAID1 or some such? Should one turn off the hardware-based RAID, and run ...
1
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0answers
892 views

HP ProCurve 4208vl - Show PSU information?

I'm working with a few older HP ProCurve 4200-series chassis switches (4204vl and 4208vl). Some of these units have single power supplies, while others have dual power supplies. I'm trying to ...
9
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2answers
2k views

Is post-sudden-power-loss filesystem corruption on an SSD drive's ext3 partition “expected behavior”?

My company makes an embedded Debian Linux device that boots from an ext3 partition on an internal SSD drive. Because the device is an embedded "black box", it is usually shut down the rude way, by ...
0
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2answers
156 views

What kind of interface card do I need for a SCSI tape library?

I've recently come into possession of an Arcvault 24, a combination tape libary/LTO4 tape drive unit. It connects via a U320 SCSI link using HD68 wiring. The server that this library will be ...
12
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8answers
9k views

What hardware makes a good MongoDB Server ? Where to get it?

Suppose you're on dell.com right now and you're buying a server to run your MongoDB database for your small startup. You will have to handle literally tens of thousands of writes and reads per minute (...
0
votes
0answers
23 views

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

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 ...
1
vote
3answers
697 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 ...
26
votes
8answers
5k 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 ...
0
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2answers
156 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 ...
21
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5answers
3k views

SSD head / cylinder / cluster details

A customer of ours makes industrial robots that run on very old, but stable, hardware and software. The only bottleneck has always been the hard drive in these moving machines. Due to constant ...
0
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2answers
4k views

Upgrading a PERC h310 to a PERC H710 mini RAID controller on a Dell R620

I have an ESXi 5.0 Free license host using an internal Datastore (RAID 5, 5 Disk) that was configured with a Dell PERC h310 RAID controller. The disk performance was very poor, so I upgraded to the ...
0
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0answers
77 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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votes
2answers
79 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 ...
6
votes
5answers
508 views

What is a a good serial-to-USB adapter? [closed]

Serial ports on devices are still used for many things, especially on network devices. However, most modern laptops no longer have serial (aka "COM") ports. So what I'm curious about is: what is a ...
2
votes
1answer
844 views

HP Proliant DL380 G3 not booting. Error “1611 fan 7 not present” after changing power supply

I inherited an HP proliant DL380 G3 some years back and it's been working faithfully as a games/web/build server. At some point during the past year where I haven't been using it the power supply ...
0
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3answers
932 views

What are the minimum specs for Ubuntu server to host a subversion repository? [duplicate]

I need to build an server (Ubuntu 9.10 server) to host source control (subversion) from my house. What are the minimum specs (processor and RAM) to do this with good performance? I'll need to buy ...
-2
votes
1answer
264 views

Recommended server specs [closed]

I'm looking to purchase a new server. My use cases are as follows: Primary OS will be Win '08 running SQL '08 as a development server. On my current server I also run WAMP for LAMP stack development....
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4answers
1k 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 ...
0
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0answers
58 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 ...
2
votes
4answers
291 views

Power supply reliability

Is a larger-capacity power supply likely to live longer than a lower-capacity supply, even if they both have plenty of capacity for the system they're on? For example, say I have a system where the ...
3
votes
2answers
2k 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 ...
0
votes
1answer
44 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 ...
18
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4answers
21k views

What happens when the USB key or SD card I've installed VMware ESXi on fails?

An SD (SDHC) card installed in an HP ProLiant DL380p Gen8 server running VMware ESXi just failed :( I encountered some ominous looking messages on the vCenter console and in the HP ProLiant ILO event ...
0
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3answers
4k views

Is it possible to use a blade server without the chassis?

Call me stupid, but is it possible to use an IBM BladeCenter HS20 server as a standalone unit without the BladeCenter?
2
votes
10answers
16k views

server is beeping

Walking by the server closet I noticed that one of our servers (namely the one that hosts the company software/data) is beeping: low-high repeat. As soon as it started, I backed up all of the data ...
1
vote
3answers
6k views

Clear the fault LED on an IBM x3650 M4 after accidental disk insertion and removal?

The server had a disk added, and then the operator realized they put the disk in the wrong server, so they pulled it out again. No harm done, the server is running and the disk was never actually ...
2
votes
3answers
328 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 ...
9
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2answers
73k views

What is the difference between RDIMM vs UDIMM

I don't quite understand the differences between the two besides the obvious price differences. What does each offer over the other?
3
votes
2answers
407 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 ...
11
votes
4answers
25k views

Incredibly low disk performance on HP ProLiant DL385 G7

As a test of the Opteron processor family, I bought a HP DL385 G7 6128 with HP Smart Array P410i Controller - no memory. The machine has 20GB ram 2x146GB 15k rpm SAS + 2x250GB SATA2, both in Raid 1 ...
1
vote
3answers
117 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 ...
1
vote
2answers
679 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 ...
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votes
1answer
140 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
vote
2answers
191 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 ...
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 ...
3
votes
2answers
645 views

Proliant ML350 G3 System board failure

My ProLiant ML350 G3 Tower server's system board has gone bad after it had an inch of its lower edge in rain water. I have a SCSI controller Smart Array 532 with six (36GBx3 and 146GBx3) under RAID5 ...
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votes
2answers
376 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
6answers
895 views

Leatherman tool for administrators? [closed]

I have only been able to find threads about software tools on this subject. Is there any multi-purpose tool out there for it-administrators? I am thinking of something like a leatherman tool - ...
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votes
1answer
306 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: ...
1
vote
3answers
3k views

HP Smart Array p400i with Intel X25-M 160 SSD

I have a pair of x25-M 160 Intel SSD's in an HP DL360 G5 with a p400i Smart Array running 512 BBWC. The disk performance I am getting on this box and another identical one does not come close to ...
2
votes
1answer
385 views

SAS drive replacement in Proliant server and compatible drives

I am use an Prolian Server ML350-G5. The server has got two disk in RAID 1+0. The model of the disk is 432320-001 (146GB). One disk has shown an ambar light that means the disk needs to be replaced ...
0
votes
2answers
306 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 ...