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

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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 ...
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4answers
56 views

Can I detect hardware RAID infromation from inside Linux?

When I'm inside of Linux, I can get the following information from lsblk (irrelevant drives removed from output): NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 298G 0 disk sdb ...
8
votes
1answer
233 views

How can I tell if the server supports hot-swapping drives?

I recently purchased a used server (the type that fits into a rack, rather than a free-standing machine). One nice feature, is rather than having to open up the cover and unscrew the harddrives, this ...
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0answers
21 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 ...
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0answers
13 views

I am facing CRC error, How do I repair it and get the files back [on hold]

My data is the drive is inaccessible, how should i fix this error. Is there a way out for this.
2
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1answer
45 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 ...
3
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1answer
59 views

How do I stop Dell R730xd fans from going full speed when Broadcom/QLogic NetXtreme 57711 PCI card added?

I have a pair of Broadcom NetXtreme 57711 10GbE cards. I put one in a Dell R710; it boots with the card fine, the OS (CentOS 7) recognizes it, and all seems well. However, when I put the other card ...
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2answers
75 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 ...
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0answers
22 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 ...
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3answers
660 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
22 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
66 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 ...
26
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8answers
4k 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
39 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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2answers
46 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
80 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
42 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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1answer
18 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
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3answers
228 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 ...
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1answer
41 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
44 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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1answer
72 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 ...
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1answer
80 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
122 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
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2answers
275 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
44 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
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1answer
147 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
59 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
62 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
186 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
89 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
46 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 ...
4
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1answer
2k 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
266 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
48 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 ...
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1answer
40 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
191 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
votes
1answer
54 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
102 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
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1answer
277 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
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2answers
125 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
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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
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1answer
64 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
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1answer
68 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
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1answer
57 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 ...
0
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2answers
78 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 ...
0
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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 ...
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3answers
85 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 ...