Questions tagged [hardware]
Computer hardware is the collection of physical elements that comprise a computer system.
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Does "smartctl -H or -all" run anything against disks or just poll data?
I am setting up Smart monitoring currently and I had a question regarding the command
smartctl -H /dev/sda
=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK
Does this actually run ...
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Low power (cheap to operate) server with lots of RAM? [closed]
Is there such a device category?
Server machines (rack, SAS drives..) can offer 8 RAM slots, usually sporting 32-64GB RAM, and are common enough to be cheap to purchase... but not to operate (100s of ...
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HP ProCurve 2920 switch stack topology for TWO switches? Ring vs. Chain vs. trunk?
I have a customer whose two HP ProCurve 2910al PoE switches have failed. This was backing a VoIP deployment for a small call center. They are interested in replacement PoE switches, but there's a ...
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Replacing failed hardware in a hyper-converged cluster node [closed]
Is it possible to replace failed physical components (such as disk, RAM, or power supply) in a hyper-converged node (such as VXrail or Nutanix) without taking the node offline?
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How to make a reverse proxy server fail-safe and stable?
I'm planning to put a reverse proxy before our web servers, mainly for high availability, load balancing and SSL tunneling. Probably nginx or HAProxy.
I understand that the proxy becomes the SPOF of ...
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MGE UPS Switched PDU
I have an old MGE Switched PDU unit.
The one described in this manual: http://www.manualslib.com/manual/102923/Mge-Ups-Systems-Switched-Pdu.html
I didn't use it in years and couldn't remember the ...
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Ubuntu Server 16 LTS no usb 2.0
After installation Ubuntu Server 16 LTS, there is no usb 2.0.
I can not connect mouse, keyboard, disc, pendrive e.t.c.
On usb 3.0 it works.
Motherboard - new Gigabyte - GA-970A-DS3P
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Is a hardware watchdog already active at my CentOS server?
I rent a dedicated server (with Intel Haswell CPU and custom hardware) at a lowcost hosting service and use it with CentOS 6.4 / 64 bit Linux (with stock kernel: 2.6.32-358.14.1.el6.x86_64).
Every ...
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not responding HP dl360 g7, Blinking RED health, Green Power, 1 Fan degraded
I recently toke over a role and handled this server dl360 g7. It has 2 power supplies all are ok. 1 degraded fan and others are all green. Installed with VMware esxi and and 3 vm installed. The server ...
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Can any standard rack server or enclosure be mounted on sliding rails?
I'm looking to buy an empty rack-mounted enclosure (2U to 4U) to fill with some custom equipment. One of the requirements is that we can easily open the enclosure top and access the contents ...
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How to check if my hard-drive are on RAID5 or RAID6? - Windows Server
I'm not sure if a server I own has been setup on RAID or not.
Is there any way to check this within Windows, rather than relying on what the company support tells me?
Any ideas? :)
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DL160 gen9 P440 SAS cable
We recently bought a new HP Smart Array P440 RAID controller from the local HP reseller store for our HP DL160 gen9 server. (P/N: 783361-425) We want to run ESXi on the server, with three virtual ...
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VMware ESXI cpu and memory addition
I am looking to install the free version of ESXI on my server but am possibly upgrading it in the future. I currently have 1 CPU and 48GB of RAM. I would be looking to add another CPU and memory for ...
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JBOD server for ZFS without dedicated boot drive
I am looking at buying a cost-effective machine for using openAttic, which is simply Ubuntu 14.04 64bit with ZFS.
The server I am looking at gives me 8 bays of 3.5", where I plan to put SAS 7.2k ...
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how to install ubuntu 10.04 on latest hp 9th Gen server with 64 GB Ram?
How to install Ubuntu 10.04 on latest HP 9th Gen. Xeon Servers with 64 GB RAM?
We are able to install Ubuntu 12.04 but below that we are not able to do?
Our software (erp) runs safe and sound only ...
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Can I use an external 3G SAS device with a 12G card?
I want to connect an old 3G SAS DAS (Dell MD1000) to a new 12G RAID controller (PERC H830 or something LSI 3108-based). I assumed it would be backwards-compatible like SATA1/2/3 is, but after closer ...
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Monitoring IBM server hardware without IMM port connection
We have a lot of IBM x86 servers that we need to monitor for hardware issues(disk failure/temperature/fans). Around 50% of them have IMM ports hooked up and we are able to monitor for SNMP traps using ...
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Disk IO Errors when writing / Linux + Windows / HDD is OK
The problem:
I have a lot of Disk IO errors on my server, these are causing multiple server failures.
VMs are rebooting because of IO errors "task xyz/sdaX blocked for more than 120 seconds"
Backup ...
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If a server is headless (CentOS 7) is there a way to make the GPU used as an extra CPU core?
I've got a server with centOS that has no graphical interface. I only connect to it via ssh. As a result, the GPU is probably not used for much. I'd like to make the server use it as an extra CPU core....
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Four lane SFF-8088 to SFF-8470 cable, 6G/12G
I need a couple of SFF-8088 to SFF-8470 cables and the HP manual says the HP 408771-001 is the right one for me. My hardware dealer has them in stock for about 100$. I browsed a bit and found the HP ...
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IBM Xseries 3400 only working while power button holding pressed
I have an IBM xSeries x3400 Intel Xeon server which only works while someone holds in the power button.
My server stopped working and I sent it to IBM Service. After a few hours they told me I could ...
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Weird smartctl output. Is my disk in danger?
I have a disk, that gets me kinda weird smartctl output. I have never seen such large nubmbers on other disks.
Does anyone now how to interpret these ? Is the disk likely to be faulty ?
SMART ...
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Where do you find your MTBF data?
Mean time between failures may be difficult to interpret, but there is a wealth of statistical method that you can use if you have some hard data.
Trouble is, nobody reports their MTBF numbers ...
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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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ECC CE (Correctable Error) occuring every 5 minutes exactly
On one of our computing nodes I am getting ECC CE (correctable errors). What is a little bit peculiar about is is that errors are not massive, just a single occurrence exactly every 5 minutes.
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Will a H310 Mini or a H200 support Samsung SSDs (840/850 Pros)?
I've been searching around and struggling to find out of a H310 Mini or a H200 will run Samsung 840/850 Pros.
I know Dell have their officially branded SSDs, but unfortunately cost is a major issue ...
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Is a PERC310 Mini compatible with an R610?
I'm going to purchase an R610 soon which is sans RAID card. The spec sheet lists 2x PCIe x8 + 1 "storage x4" slot. However none of the X10 series cards are listed on the spec sheet.
I presume that's ...
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What are these black plastic things
I just bought my first server case (Yay me). With it came a box full of these plastic things that I have no idea what they are for or what they are called. There are twenty of these things in total.
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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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Get LCD To Work With pfSense
I got a hold of a new firewall and got pfSense installed on it and setup, but after trying for a day I could not get the LCD to show anything after trying multiple drivers and settings. Hope someone ...
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Foreign cards in a HP server, do they cause the server to operate outside of specs?
I have a Proliant DL380 G7 I am going to be staging as lab server. As part of the server I plan to run ZFS as the base filesystem and installed 2 LSI 9211-8i cards for the disk controllers since the ...
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Server 2008 R2 does not boot and won't restore
A Server 2008R2 machine was found restarted, asking to insert a bootable disk.
I booted from a DVD and tried to restore from a backup image made a day before to a separate HDD (with repartitioning and ...
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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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Mongodb, we can't go over 100 insert/sec on 200iops HDD
Thanks in advance for your help, we get a strange behaviour in mongodb. So we have a cluster of 20 shards, each composed of 1 master and 2 slaves. This database has a heavy load of write only. However ...
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TP-Link TG-3468 on an IBM x3850 M2
I got a networks card from TP-Link. It is the TG-3468. I wanna place it into my IBM server x3850 M2. It has PCIe x8 slots. The slot is a little bit longer than the lenght of the card, but it fits.
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HP P4500 G2 system board replacement
Initially, I had such a problem: HP P4500 G2 does not turn on. So we buy new system board (spare 583736-001) and when i replace it storage start to power on, but with error code 1611 - Fan Solution ...
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No screen on boot, server is very noisy
I am able to use an outdated server from my work to do some testing at home as I'm pretty new to the hardware part. When booting the server remains very noisy, even after 15 mins. I'm also unable to ...
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SQL server 2008 R2 - Hardware Requirement
I have to give SQL server hardware requirement for the below specifications
Number of instances <= 5
Number of databases per instance > 50
Number of concurrent users per instance <= 2000
Daily ...
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Installing new memory purchase 1 set of 6x4GB or 2 sets of 3x4GB?
I have a server that is old and has a maximum per stick limitation of 4GB (240pin) per stick of memory. There are 6 slots. (This question is not specific to: 6 sticks or the maximum memory per stick ...
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Incorrect Disk space usage in Linux server [duplicate]
I can see the used disk quota on server is 81G for partition /dev/sda3 mounted to '/' as follows.
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 106G 81G 20G 81% /
tmpfs ...
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Install CentOS 7 on N54L
currently Im using Scientific Linux 7.2 on my HP Microserver N54L.
To get more "mainstream" and out of curiosity (and to try out my ansible-playbooks), I wanted to install CentOS 7 on it.
So I ...
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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 ...
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How to dump usb stick with corrupt partition table?
Question at the bottom.
When I insert the 8GB usb stick I get this in dmesg
[168699.879019] usb 1-4: new high-speed USB device number 24 using ehci-pci
[168699.994177] usb 1-4: New USB device found, ...
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DL380 Gen9 which processor and what impact on NUMA
We are about to build a new server and I was wondering what would the impact on NUMA with the options available.
The system will be built using a Proliant DL380 Gen9 8SFF which has 2 sockets, and 12 ...
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HP MICROSERVER GEN8 819185-421hard drives not recognized in the front bay
I bought that server and a SEAGATE ST1000DM003 1TB Hard drive. I've installed ubuntu 14.04 LTS on a SD card on the server.
It seems that the server doesn't recognise the 1TB hard drive in the front ...
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Do I need some kind of power conditioner or UPS?
In one of my boxen, both my power supply and network card died while in overnight hibernation - why?
And: What must I do to appease the electricity Gods so that I don't lose more hardware?
In ...
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Controlling HP ProLiant DL380 G6/G7 fan speed
I'm having fan speeds and noise level issues from my most recent batch of HP ProLiant DL380 G7 servers. Most of the systems are nearly silent with low fan speeds (as reported by hplog -f). The ...
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What is this wiring panel and what are these Ethernet "ports?"
In my office's building there is a stone-age LAN rack with some Ethernet ports I've never seen before. I need to find the name of this ports, if they have one, and then buy some cables or adapters.
...
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Problems with DL380 Gen9 Smart Array
I recently bought a ProLiant DL380 Gen9, i've had some trouble getting it up and running...I ran the ProLiant SPP ISO to uprade firmwares but felt the system became less stable as a result, at one ...
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Can Running a Server's Redundant PSU on Different Circuits Damage It?
So I've been tasked to document and review the status of the UPSes for my current employer and identify any changes that need to be made. Generally easy stuff, however I came across a few units that ...
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