Computer hardware is the collection of physical elements that comprise a computer system.
1
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3answers
33 views
HP ProLiant ML310e Gen8 early system initialization hangs on 90%
just unboxed a brand new HP ProLiant ML310e Gen8 Server.
I can reach the iLO webinterface but the Server hangs on the early system initialization on 90 % with the status code 0114.
I did not find any ...
-1
votes
1answer
31 views
Mounting ssd. Expectations vs reality about server load
I'v installed SSD on my server and moved tmp folder, mysql data folder and 2 most loaded websites(php) on it.
I'v expected that server load will fall a little bit, but it seems that it is on the same ...
25
votes
2answers
1k views
HP ProLiant DL360 G7 hangs at “Power and Thermal Calibration” screen
I have a new HP ProLiant DL360 G7 system that is exhibiting a difficult-to-reproduce issue. The server randomly hangs at the "Power and Thermal Calibration in Progress..." screen during the POST ...
0
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0answers
8 views
HP P410i RAID Card - RAID1
HP P410i Raid Card.
I am waiting for a second hard drive to arrive.
Is it possible to start with 1 hard drive and enable RAID1 without loosing data when the second drive is installed?
-2
votes
0answers
22 views
Whatsup Gold add device with default status down [closed]
We are using Whatsup Gold to monitor several devices in our network like webservers, routers, switches, etc. We like to monitor a specific device that has an IP address and only comes online when the ...
-1
votes
1answer
59 views
HP DL360p Gen8 for low latency trading - what to upgrade? [closed]
I'm using HP DL360p Gen8 for low latency trading (but not ultra-low-latency!).
It means that i'm working in frame about "10+ microseconds" and i don't care about "1-5 microsecond" or nanoseconds.
I ...
-1
votes
1answer
43 views
Best Linux Distribution for Scientific Computing? [closed]
I recently bought a new laptop to be used for scientific research when I'm at home. The machine has Intel i7 processor with 8 cores, 4 GB of RAM, and a graphic card from Nvidia (2 GB, Ivy Bridge). The ...
0
votes
0answers
27 views
How can I decide real vs virtual cores if i need intensive calculus? [closed]
Assume that I have a computer called A with a processor that has two cores and has hyperthreading, i.e it has 2 cores with 4 threads (I understand that this can supply to 4 processes simultaneously), ...
2
votes
0answers
39 views
mdadm raid1, drive failure lost 14days worth of data?
I am rather confused. One evening I had a server which had died. I went to reboot it and noticed it was stuck on the "GRUB" boot screen. I then noticed a hard drive had failed. I put a new hard drive ...
16
votes
3answers
701 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 ...
2
votes
1answer
38 views
What servers do I need to set up the following simple scenario? [duplicate]
I've founded a start-up recently and am about to add a little structure to it, regarding management, communication and data. I am a software developer and do not know any details about server ...
2
votes
8answers
1k views
How to protect the server rack from water streaming from above?
Recently we had a rather funny incident: suddenly about a liter of water ran from above the drop ceiling right in the middle of the office. Turned out it was some pipe in the air conditioning that ...
0
votes
1answer
38 views
Refresh a specific page in ilo 4
I use iLo 4 for my HP dl380 gen 8. I access iLo webpage using internet explorer 10. (Although I would gladly use another browser if anyone can recommend a better one for iLo access).
How can I ...
-1
votes
1answer
44 views
my ibm x3550 server can't find the hard drives
I recently purchased a used ibm x3550 server with two 2.5" SAS hard drives included. When I boot the server it doesn't recognise them. I get into the bios and I can't see them there. I try to install ...
1
vote
3answers
794 views
Swapping out a RAID 1 mirror with larger drives on SBS 2008. Is it possible?
My organisation has setup a SBS Server 2008 2 years ago (Dell T300). This was a small setup with 2x160 GB disks in a RAID 1 mirror. We are running short on disk space. I would like to extend the ...
4
votes
8answers
1k views
Running Windows Server OS on a regular desktop machine
I was thinking of running maybe Windows Server 2008 or Windows Home Server on my home computer. But before I did the formatting etc, I would like to know if this is even possible. And I am then ...
0
votes
4answers
413 views
16 HDD bays in an off the shelf standalone server? [closed]
We currently are using custom built servers as standalone backup machines (using rsync/zfs snapshotting). They run freebsd (just so we can use ZFS) and have 16 SATA HDD's in them all connected as ...
4
votes
5answers
712 views
How do data recovery firms recover data from a “dead” hard disk?
The hard drive in my laptop just died, and it's been about a week since I ran a full backup.
I know there are companies that specialize in data recovery from dead hard disks. I'm curious how they do ...
0
votes
1answer
52 views
debian Read-only file system error
I logged on to my debian box and tried running some commands and I was presented with the following message.
sudo: Can't open /var/lib/sudo/username/0: Read-only file system
After doing some ...
-2
votes
0answers
45 views
Will Temperature fluctuations negativity effect the life span of my computer hardware? [closed]
I have a office currently set up in a greenhouse with a standard off the self computer. Its located in the greenhouse because that is the only space left in my house to put it. (I know its not ideal)
...
0
votes
0answers
21 views
The fastest amd opteron processor for a particular server motherboard [closed]
I have an old server without CPU, I do not know what can be the fastest processor AMD Opteron place?
Image is here http://ubuntuone.com/4jdkm1zrocbT3FLrTY6ETH
0
votes
2answers
59 views
What Testing for Secondhand Servers?
I've recently bought a used rackmount 2950 server on Ebay to use for a specific project.
I'm going to be spending a lot of time on this server, so I want to try and identify any major problems before ...
0
votes
2answers
175 views
24 Port Switch versus 4 x 8 Port Switch
While prices for switches in the end-customer sector are decreasing, I found that 24 port switches are much more expensive than multiple 8 port switches with the same speed.
Are there any ...
-2
votes
0answers
23 views
Dell PowerEdge 1850 Fan Speed [closed]
I am looking for some way to adjust the fan speed of my home server. Currently they are extraordinarily loud.
There are no issues with temperature (highest the temp gets is around 60) and the fans ...
1
vote
4answers
4k views
Installation of Ubuntu Server Edition on HP Proliant DL360 G3
I want to buy a HP Proliant DL360 G3 server, but I have heard there are some problems with installation of Ubuntu Server Edition on such a server.
Is that true and is there any way to fix the ...
0
votes
5answers
179 views
New office cabling: should we use CAT7 or CAT6a? [closed]
We are going to do the cabling in our new office building and we are thinking to lay down 10Gbit cables since we use HP switches that come with 10Gbit ethernet ports. We will also lay down few fiber ...
0
votes
3answers
73 views
Graphing temperature over time for HP iLo 4
Server: HP DL380p Gen 8, running latest iLo 4.
One sensor, Sensor #25 for the HD Controller, tends to run a bit hot when compared to the other sensors. It tends to read 75 C. Caution temp is 100 C. ...
3
votes
2answers
149 views
Internal LTO tape drive becomes hot
We use an internal LTO3 tape drive (HP Ultrium 920) in a PC (no particular server hardware) running Linux. The tape drive becomes quite hot - I don't have the exact temperature, but you may touch it ...
-2
votes
2answers
73 views
Choosing a processor for web server: what is more important, GHz or Cache size? [closed]
I'm choosing a new server that will run linux, nginx and php-fpm based web server. Mostly, all the work server is doing - rendering of Twig php templates.
Current server has the fallowing processor, ...
2
votes
2answers
105 views
RAID 10 — how do you know a drive is going or is bad?
I have some servers with a datacenter all the servers have RAID 10 setup. How do I know when one of the drives is going bad or is bad and needs to be replaced?
EDIT: These servers are unmnaaged and ...
8
votes
5answers
2k views
Linux hard drive serial number as non-root
First of all, I would like to apologies for the title for not including hardware details. This is because I am looking for a command that will work in all Linux distribution.
Question:
I am very ...
3
votes
1answer
106 views
How to use a switch as a network tap?
I would like to tcpdump all traffic that my router does when it makes a firmware update.
So I have taken a HP ProCurve 1800-8G switch and mirrored port 7 to port 8.
I have connected:
Internet ...
255
votes
7answers
52k views
Something is burning in the server room; how can I quickly identify what it is?
The other day, we notice a terrible burning smell coming out of the server room. Long story short, it ended up being one of the battery modules that was burning up in the UPS unit, but it took a good ...
-1
votes
1answer
50 views
Is this a sign of a bad drive? [closed]
smartctl --attributes --log=selftest /dev/sda
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-379.22.1.lve1.2.17.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, ...
3
votes
2answers
108 views
What are cables/boxes called for listening in on a RJ45 cable?
I would like to capture the traffic from a router, so I assume there must exist a cable or hardware box with 3 RJ45 socks, where two of them are IN and OUT, and the third is for capturing device (a ...
-2
votes
1answer
94 views
HP proliant microserver won't boot
I was installing an ethernet driver for VPN on an HP Microserver (on PCI 1).
Then, suddenly the server shut down while I was installing it.
When I tried to boot it back up it only shows the health ...
3
votes
3answers
106 views
Are OTP/OATH (RFC 4226) Hardware Tokens Re-seedable?
We set up a two-factor authentication system that uses Google Authenticator to use OTP via mobile phone apps. Some of our users however don't have smart phones so we want to be able to use hardware ...
1
vote
1answer
74 views
Hardware Virtualization Technology Enabling Issue
I have purchased an Intel i7 3770 and an Asus P8Z77-M Pro; for some Windows Server 2012 testing.
In the BIOS I have enabled the "Intel Virtualization Technology", and have several Hyper-V based ...
1
vote
4answers
106 views
What is this terminology and how is it applied?
What is it called when multiple physical servers share resources amongst each to act on behalf of a single opperating system or application for a common purpose? I think Microsoft calls it ...
1
vote
2answers
113 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 ...
0
votes
2answers
74 views
IBM DS3512 Connection to IBM HS22 BladeCenter
I have a BladeCenter HS22 with 14 bladeservers. Attached to the BladeCenter I have a DS3512 storage array. I'm trying to access the DS3512 to configure it but can't manage to do it.
I have connected ...
0
votes
0answers
26 views
Computer/Server Freezes randomly [duplicate]
I have previously posted a question here that talked about my Ubuntu server freezing up.
Well I have been experimenting with all different kinds of distros of linux and it happens to all of them so ...
8
votes
3answers
244 views
How Serviceable are Tape Drives?
I'm contemplating an auto-loading tape drive as part of a backup strategy. This would be my first experience with tape backup. The cost-effectiveness of tape drives seems to depend on the assumption ...
0
votes
1answer
24 views
hosting machine capability [duplicate]
I'm curios what's the traffic a dual-socket CPU server machine can handle?
Just hypothetical, does anybody have a clue what are the keystones?
Is it more about hardware or connection or anything else ...
6
votes
4answers
2k views
What to do with an out-of-warranty Barracuda Spam/Web filter?
I'm working with an organization that would like to start using a old Barracuda Spam Filter 300 unit. I've sold and configured plenty of these, but was surprised to see that this unit's warranty ...
1
vote
2answers
152 views
High number of ethernet errors. Tool for testing the ethernet card? [closed]
have an Asus Sabertooth X79.
I often get corrupted files. I checked the RAM, but memtest finds no errors. To avoid the possibility of disk errors, I tried copying files to tmpfs.
If I copy from the ...
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votes
1answer
64 views
Difference between storage and operating temperatures [closed]
What is the difference between Operating temperatue & storage temperature of switch C3560E ?
1
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0answers
124 views
Removing raid metadata from drives
Normally when I have a drive which contains raid metadata e.g. from fakeraid or a hardware raid card I can get rid of it with:
dmraid -r -E /dev/sdX
Or if that doesnt work, doing a simple dd ...
1
vote
3answers
2k views
linux freezes - how to find out if hardware or software is the cause?
a couple of weeks ago, my linux server (kubuntu 10.04) started to give me trouble.
it freezes after a certain uptime, seemingly between a couple of minutes and a few hours - GUI is unresponsive, no ...
2
votes
1answer
50 views
May a low DRAM router be a bottleneck for a LAN?
I need to install a LAN that is a hybrid between a star LAN and a cascade LAN. There are two levels (I mean that the maximum number of link to go from the central switch to the most external switch is ...
