Computer hardware is the collection of physical elements that comprise a computer system.
0
votes
0answers
90 views
IBM x3630 M3 Diagnosing Hardware faults
I have been looking for hardware diagnostics in the IBM x3630 M3 that I am working with. In the IMM it doesn't show Disk or Memory Failures anywhere I can find. Only for email alerts.
I found the ...
2
votes
5answers
639 views
HP DL380 G3 2U For Basic Web Server in 2012
I have an opportunity to pick up a used HP DL380 G3 2U for $100. I'm looking for a basic entry level web server that I can host a small - medium size website on and more or less learn the ins and outs ...
1
vote
1answer
58 views
Is there a video capture device for IRIX & Sparc video? [closed]
I have a couple of old non-intel machines for porting stuff, and they have a special monitor cable.
I would like to be able to throw away these old CRTs and instead be able to see their video by ...
9
votes
1answer
3k views
Hosting a ZFS server as a virtual guest
I'm still new to ZFS. I've been using Nexenta but I'm thinking of switching to OpenIndiana or Solaris 11 Express. Right now, I'm at a point of considering virtualizing the ZFS server as a guest within ...
0
votes
3answers
1k views
How many hardware (PCI-MSI) interrupts can a PC have?
On my workstation I got only two PCI-MSI interrupts in /proc/interrupts:
0: 11726919 0 IO-APIC-edge timer
1: 3 0 IO-APIC-edge i8042
7: 0 0 ...
-1
votes
2answers
212 views
How to create a separated network to customers only?
I work in a company where we have a network ethernet and wi-fi, we would like to create a network where our customers could access our network but don't have access to our computer network.
This ...
0
votes
3answers
247 views
intel server motherboard S5520HC not booting
This server was working fine when we took it out the rack, now it seems lifeless.
I have tried all the normal checks, booted off one cpu, changed memory.
When you put power to the board, it turns on ...
3
votes
3answers
132 views
What's a worthwhile test for a new HD?
I work for a company that uses standard 2.5" SATA HD's in our product. We presently test them by running the Linux 'badblocks -w' command on them when we get them - but they are 160 gig drives, so ...
5
votes
1answer
161 views
Which linux x86 hardware keystore?
I'm terminating SSL/TLS in my DMZ and I have to assume that machine will be hacked.
At which point my certificates are compromised.
Previously I've used nCipher hardware keystore/accelerator to solve ...
-1
votes
3answers
333 views
12-24 rack, 10-32 server thumbscrew. How to mount?
We have just purchased a APC rack (model AR204A) with 12-24 threaded holes. We couldn't get a "square hole" model in time for our setup deadline. Unfortunately our rack servers (Lenovo RD240) appear ...
1
vote
1answer
45 views
Upgrade Trusted Platform Module (TPM)?
I have some systems that I am unable to enable Bitlocker on. The TPM wizard reports that the version of the TPM is inadequate to function with bitlocker.
Is it possible to upgrade a TPM to 1.2?
-4
votes
2answers
100 views
What should we recycle from old pcs? [closed]
We are getting rid of about 10 old pcs but we want to make sure that we don't throw out any useful hardware. This is the list of parts we are keeping from each:
working hard drives
bios batteries
...
5
votes
1answer
210 views
Hardware/topology recommendations for low latency UDP network
I'm setting up a LAN comprised of 60 end nodes that are receiving a high volume of UPD datagrams from one master server.
The server sends 60 unique datagrams every 100ms, each datagram is 64 bytes. ...
5
votes
2answers
332 views
Could SpinRite possibly be messing up my laptop hard drives?
Context:
We have a midsize business with a few dozen laptops. Whenever we get one in because someone leaves or gets an upgrade, standard procedure is to zero and then run SpinRite (level 4) on the ...
2
votes
0answers
235 views
My Xeon Processor supports VT-x, is it compatible with Xen? [closed]
While looking for a server to run Xen I stumbled across a barebones setup which comes with an Intel Xeon L5420 on the SuperMicro X7DCA-L motherboard. Doing a bit of research I found the processor ...
18
votes
4answers
21k views
Intro to Laptop Hard Drives
I've had my first notebook hard drive death (well, actually, it's currently dying... clicking noises, super slow windows boot up ...)
Anyway, I now I realize I don't know anything about laptop hard ...
2
votes
2answers
114 views
How do I find out my CD ROM hardware specifics on FreeBSD?
I can usually use dmesg soon after bootup to display hardware info that my kernel loads. After my system has been up for a while however, dmesg no longer produces anything of value concerning ...
2
votes
1answer
194 views
Two server freezes with in two weeks
Two consecutive server freezes with in two weeks.
We are running ubuntu 11.04 64bit on Intel(R) Xeon(R) E5620 @ 2.40GHz with 48 Gb RAM on 2.6.38-13-generic kernel dedicated server.
after making ...
7
votes
3answers
477 views
How to calculate cost/benefit of hardware expenditures? (move to virtualization, upgrades, etc.)
Preamble:
As part of the acquisition of a smaller development company we have acquired a new office. Many people were transferred to head office, but 'new' office will retain a small team of 4-6 ...
0
votes
1answer
48 views
Evaluating nameserver
We are planning to set up our own dns-server for managing all our subdomians. I wan't to set the leasetime to 1 hour. We going to expect a peak amount of 20 Million DNS requests per hour.
I want to ...
2
votes
1answer
720 views
HP ProLiant DL360 G6 reporting missing fan
I have several refurbished HP ProLiant DL360 G6 servers and several of the systems are reporting fan failures - possibly incorrectly - on fan #2.
When running:
hpasmcli -s 'SHOW FANS'
I get the ...
-3
votes
1answer
349 views
'Gigabit' Ethernet Port Tester? [closed]
A quick google search shows there seems to only exist handheld testers for 10/100 Ethernet ports. Any ideas why that is and where we could find one that works with a Gigabit LAN? Perhaps the 10/100 ...
22
votes
7answers
9k views
What are the performance differences between Raid 0,1,5,6,10
I have heard/read different performance stories on the various raid flavors. I am curious what the agreed upon best answer is.
1
vote
2answers
271 views
Removed a Disk to Test RAID 1. Now how can I re-introduce it to Windows 7 without re-synching everything?
I just removed a disk to test our RAID 1 setup was working, and now I want to reintroduce that Disk, and have it continue living as a RAID1.
However, when I go into Disk Management the former RAID1 ...
1
vote
1answer
752 views
Any performance difference to identical spec of LFF disks vs SFF disks?
Example:
HP 146GB LFF 6G SAS 15k
vs
HP 146GB SFF 6G SAS 15K
bit-size, cache, interface speed and rpms are the same, physical size is obviously different -- what about actual real life tested ...
1
vote
0answers
2k views
How to open ports in Cisco ASA 5505 using ASDM?
am new to cisco and i badly need help in opening ports using ASDM.
I already tried natting but it only allows 1 outside and 1 inside rule
ex. Inside Static Rules 10.x.x.x outside 72.x.x.x Outside ...
4
votes
3answers
312 views
Vertex 2 SSD Freezing 60 seconds at a time
I have a OCZ Vertex 2 SSD that I've been using for a few years in a Win2k8 64-bit "Server" (Dell Precision M4300). Every few weeks it gets in a mood during which it temporarily freezes very often for ...
6
votes
3answers
763 views
What is more important for a database server? Mem? Mem speed? Cores?
I am going to be moving my database server to somewhat better new hardware. The current database server does not have any problems except that it is running Centos 4. The current hardware is 2 quad ...
1
vote
2answers
748 views
Troubleshooting ESXi hardware freeze with PCI Passthrough
I have a Supermicro X9SCM board with a Atheros AR5008 PCI Express card (D-LINK DWA-556, Device=0024&Vendor=168C). The card can successfully be marked for PCI passthrough in ESXi (I tried versions ...
4
votes
4answers
362 views
Blade servers in small office server room (90db)?
We have small server room with 15 rack servers ATM, and we are planning to add 7U 10 blade enclosure.
One can hear the servers from the outside now (the doors are not too thick) but it is not bad, ...
-4
votes
1answer
107 views
What hardware factors may be considered bottlenecks on a Hyper-V virtual server during load testing? [closed]
Our organization is load testing our application using virtual servers via Hyper-V to see what the user load can be using fair equipment on a single box setup.
The developer group questioned the ...
8
votes
3answers
9k views
Incredible low disk performance on HP 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
votes
1answer
100 views
Is PostgreSQL database optimised for any particular CPU? [closed]
This question may sound strange, but some CPU have instruction sets for virtualisation technologies, while some non-related software can use those sets, or even GPU to improve their performance.
So, ...
1
vote
4answers
638 views
CISCO 3550 HW Crash
were facing 5 Cisco CAT 3550 crashes now, we send out configuration to 3rd party company CISCO Gold partner and did environment power checking with the server site, no clue as yet what would be the ...
2
votes
2answers
550 views
Dell's equivalents for HP's hpasmcli and hpacucli tools?
As per title. Basically what are Dell's online tools for checking or changing BIOS/RAID-controller level conf. For Linux.
0
votes
1answer
80 views
PCI Extender and 1GB Ethernet Performance
One of my server has 2 PCI slots which has already plugged with 1GB Ethernet cards. I want to add two more 1GB NIC to this server. I've found on ebay this pci extender.
I want to ask, because I ...
0
votes
1answer
378 views
How to check what/if hardware watchdogs are available in linux?
Linux supports several types of watchdog hardware.
Is there a way to detect the available hardware watchdogs and load the appropriate kernel module (and "softdog" as fallback solution)?
I guess, ...
-4
votes
1answer
52 views
A Versatile Physical Server [closed]
How does one judge potential memory and processor needs for linux web servers? Specifically, given:
A Debian or Ubuntu OS
Running a web server (apache2), and
A database (MySQL), and
A DNS server ...
-3
votes
3answers
170 views
Writing a proposal for renovation of university server? [closed]
I am sorry if this really off-topic, but I don't really know where to get the help. My group was asked to create a proposal for renovation of university's web server. The problem is the university ...
0
votes
4answers
99 views
What is a useful “transfer large things” method/medium? [closed]
Other than through the network, what does everyone use for transferring things like system images or very large files?
For example, external case+hard drive like a myBook. Or, extremely large ...
-1
votes
1answer
100 views
What software can I use for datacenter hardware monitoring? [duplicate]
Possible Duplicate:
What tool do you use to monitor your servers?
We've got a mix of Dell and HP servers in a colo and I'd like to have a hardware monitor so that we know about failed ...
0
votes
3answers
534 views
P4300 G2 SAN FAN Header Connections
I've recently had to replace the System Board on my P4300 G2 SAN due to a failure to find a boot drive. Unfortunately after replacing this it won't boot past the POST screen, it identifies that there ...
0
votes
1answer
917 views
'Memory read error',Sever hardware error?
hello
I got a error about my server which is running CentOS5.5.
MCE 20
HARDWARE ERROR. This is *NOT* a software problem!
Please contact your hardware vendor
CPU 1 BANK 8 TSC 6ab9ff9745f62 [at 2394 ...
0
votes
1answer
103 views
Hardware streaming server like Edgeware WTV 2x [closed]
We currently have an Edgeware WTV-2X for one of our streaming services, but we have a new client and we are finding it hard to get another Edgeware in the time scale/price range.
Are there any other ...
2
votes
1answer
300 views
Moving a linux server to new hardware
We currently have a working coldfusion 9 server running on ubuntu. Its hardware is a lenovo thinkserver running raid 1. We want to move this server to a different lenovo server (slightly different ...
13
votes
23answers
14k views
Netbook vs. Notebook for Programmers? [closed]
I have an IT question, I hope that's the place to ask it.
I'm building a team for a specific project and am considering buying Netbooks for the first time, the reason being cost-reduction (we are a ...
-3
votes
1answer
348 views
Xen host: Single or Dual Processor (intel)? [closed]
Context:
I'm making a Xen server for my house. It's going to run something like the following VMs:
Windows 7 VM as a personal/frag box (I anticipate doing some 3D gaming via a VT-d passthrough of a ...
0
votes
1answer
59 views
Asus z8na mother board. Do the two cpus need to be the same?
I have a asus z8na motherboard, with one E5504 cpu atm. Can i put an E5506 next to it or should the two cpus be identical?
1
vote
4answers
808 views
Network card suddently doesn't answer anymore, but answers after pinging
We have a problem with the network card on a Dell Power Edge R410 with Debian 6 (squeeze). It seems that the network card went into "sleep" mode after some time. If we are connected via ssh to the ...
1
vote
2answers
2k views
Is there a list of compatible RAID hardware with standard linux kernel
I am installing a large storage system under Debian 6.0.
We bought a HightPont RocketRAID 2720, a very powerfull card claiming to be linux compatible, but when i installed they just provide a already ...
