Questions tagged [infrastructure]
The infrastructure tag has no usage guidance.
181
questions
39
votes
5
answers
12k
views
What to look for in a server rack?
I'm looking to purchase a rack/enclosure for some servers. As this is my first time shopping for this type of equipment, I need to know what to look for. I'm asking not only about how to buy the rack, ...
- 13k
18
votes
6
answers
4k
views
What else do I get with Cat 6 beyond future proofing my wiring?
We are about to put in the wiring in an expansion of our office building and the vendor is proposing we use Cat 6 cabling because it is "faster." Gigabit works fine over Cat 5e which is what our ...
- 3,841
17
votes
5
answers
8k
views
What is meant when IT Infrastructure people refer to the "Stack"
Can someone please define what exactly is the "Stack". I know its an industry term but its very vague. I am referring to Infrastructure terminology not "Stack" in terms of memory allocation.
user75720
16
votes
4
answers
604
views
Starting a branch office on the other side of the world
Going to cut right to the point on this question, as I'm after as diverse range of solutions as possible so don't want to effect any opinions with the question too much.
Client is a UK based company.
...
- 3,235
12
votes
3
answers
939
views
What types of systems have to “scale up” rather than “scale out”?
I have been wondering for a long time if there are systems that have to "scale up" (onto a more powerful, more expensive server) rather than "scale out" by being split across many smaller servers.
...
- 249
10
votes
9
answers
8k
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guidelines for wiring an office
Does anyone have a link for recommended network wiring for office space? Runs per wall plate, wall plates per room, that sort of thing.
- 1,075
9
votes
2
answers
375
views
My server setup for a heavily used API
I will soon be buying a bunch of servers for an application that I am about to launch but I have concerns about my setup. I appreciate any feedback I get.
I have an application which will make use of ...
- 1,649
9
votes
4
answers
17k
views
How to build network across buildings?
I need some help in building a network between hundreds of computers spread across multiple buildings of my college. Yes, I'll be doing this as a part of my college project.
Please see this image, it ...
- 203
8
votes
2
answers
2k
views
10GBASE-T shielded cable switch-to-server connection
I'm venturing for the first time into the 10 gigabit (over copper) realm. Likewise, I have never worked with shielded CAT-5/6 cables previously. From my own research, I understand the types and ...
- 121
7
votes
6
answers
4k
views
How to properly deploy multiple computer labs and have room for future expansion?
I am currently the only computer guy at a high school (small budget). Currently, there is no real infrastructure in place. There are just office computers connected to a consumer grade router that ...
techguy
7
votes
4
answers
2k
views
Release Management for Infrastructure [closed]
Does anyone use release management principals for system administration of infrastructure in the same way it is done for software development?
I have been in the system administration field for more ...
- 1,384
6
votes
2
answers
3k
views
What causes network cable to not work?
I've installed a bunch of cat-5 and when I check it for continuity and polarity it seems fine, but when I hook up a pair of laptops with a x-over cord and try to ping between them, they can detect ...
- 1,075
6
votes
2
answers
3k
views
How to use terraform.io to change the image of a stateful server without downtime or data loss?
Say I have application servers, database servers, and a few dns-round-robin load balancers. All this powered by images created with Packer with deployment managed with Terraform. How do I change the ...
- 183
6
votes
1
answer
120
views
When should an org invest in a private infrastructure as opposed to a partially or fully hosted solution? [duplicate]
Not referring to militaries or governments, but for other organizations or shops that needs an IT infrastructure (who doesn't nowadays). Similar to this question, but purely in regard to hardware and/...
- 5,591
6
votes
3
answers
275
views
Oracle: 1 Large Server vs. 2 Smaller Servers?
We are in the planning stages of setting up our production Oracle 10gR2 environment. Our budget gives us the ability to buy 2 processor licenses of Oracle DB Standard Edition. We have minimal ...
- 203
6
votes
2
answers
2k
views
Mirroring 2 Host with their own local storage
I'm trying to decide between 2 infrastructures.
1. 2 Servers host that point to a NAS
2. 2 Servers that mirror each other with their own local storage.
Infrastructure Requirements: 50 TB of storage,...
- 129
5
votes
5
answers
1k
views
What are good practices for distinguishing production environment from others? [closed]
My main area of work is programming, and I sometimes have to perform some actions on production servers (when deploying application or configuring something...).
So my question is, what should be ...
- 287
5
votes
3
answers
1k
views
Design Critique Needed ( VLAN & ESXi )
So this is my new "project" which consists of tearing down our legacy network and re-doing it correctly. As of now it is a mess. Production is a hogpoge of legacy servers that should have been put to ...
- 161
5
votes
3
answers
152
views
Small store infrastructure - where to begin? [closed]
It looks like my older brother is about to change jobs - from lawyer to shooting range proprietor - and since I'm the family 'computer guy' I have the task of coming up with and setting up the in-...
5
votes
2
answers
358
views
Small Scale Point-to-Point Fibre optics
I'm faced with a bit of a dilemma with regards to stretching a 100base-T network from building to building.
The site is a racetrack (cars) with a control tower, housing race control, admin and a ...
- 53
5
votes
5
answers
6k
views
Nginx, Varnish, ESI - Will that work?
I've serveral backends (one is nginx+passenger) to combine via ESI. Since I don't want to go without gzip/deflate and SSL varnish can't do the job out of the box. So I thought about the following ...
- 369
5
votes
1
answer
6k
views
Azure ARM Templates for deleting the resources
I know we can create infrastructure using ARM templates. Can we do the same for deleting the Resources. I dont want to delete all the entire resource group but few resources in a resource group. Is ...
- 61
5
votes
1
answer
114
views
PowerEdge FX2s ram types
I have a PowerEdge FX2s modular server with two PowerEdge FC630 Blades.
Does the RAM type in both blades need to be identical in terms of:
2133P / 2400T ?
Ranks ?
Module sizes symmetry ?
I am new in ...
- 51
4
votes
6
answers
3k
views
Do you really need cable management for a cabinet with just switches and patch panels?
We are about to start wiring out a building expansion and our vendor has laid out the racks in the following configuration:
Option 1
1U Fiber patch panel
2U Cable Manager
2U 48 port Patch Panel
2U ...
- 3,841
4
votes
4
answers
1k
views
What is the best backup solution for VMware Infrastructure system that hosts a wide variety of VMs?
In a situation where you are running:
VMware Infrastructure 4.x with multiple hosts
Over 150 VMs with a wide variety of operating systems (Linux in a half dozen distros, Solaris, every MS version, ...
- 289
4
votes
3
answers
2k
views
Out of band notification when UPS loses mains power?
We're currently looking into upgrading our UPS and possibly having a small petrol generator on site in the eventuality that the UPS battery is used long enough to drain it completely.
Realistically, ...
- 2,727
4
votes
2
answers
175
views
Infrastructure - management - Is moving from custom code base in place to Ansible worth it?
Some background:
When I started at my current work place ( in server infrastructure ), a bash, perl and python code base already was in place for remote executing jobs on linux systems, the one guy ...
- 143
4
votes
1
answer
2k
views
mkfs.ext4 error with option -O ^64bit
When I run /sbin/mkfs.ext4 -O ^64bit /dev/app/mysqldata command in a script it gives me below error:
nd(): null: With return code "1", Output from: "/sbin/mkfs.ext4 -O ^64bit /dev/app/...
- 153
4
votes
2
answers
2k
views
Redundant UPS with 2 power sources
I've 2 power sources in my house: One from the national power grid and another from an internal power source. I've several power sockets in my server room from these 2 sources.
Did some research and ...
- 101
4
votes
4
answers
1k
views
Creating an office network and monitoring all activity without a proxy
We are setting up our office network and would like to track all the websites visited by our employees. However, we would not like to use any proxy based solutions.
Our work is highly dependent on ...
- 41
4
votes
2
answers
187
views
Beginning a company's digital certificate infrastructure [closed]
What type of digital certificate product do I need to begin a digital security infrastructure within my company and for use by our customers (pre-trusted by chaining)?
I believe I need some kind of ...
- 806
4
votes
3
answers
1k
views
How to handle server failure in an n-tier architecture?
Imagine I have an n-tier architecture in an auto-scaled cloud environment with say:
a load balancer in a failover pair
reverse proxy tier
web app tier
db tier
Each tier needs to connect to the ...
- 159
4
votes
3
answers
3k
views
Recommendation for a small redundant VM infrastructure?
We currently have an active-active 2 node cluster running virtual machines. Every node has two disks, every disk is DRBD mirrored on the other node. Every node runs virtual machines out of his primary ...
- 5,918
4
votes
1
answer
635
views
Tool for network/infrastructure graph [closed]
I search for Linux a graphic tool to document our network/server infrastructure. A script that converts maybe some textual representation into dot (i.e. graphviz) would be enough.
Nodes should be ...
- 502
4
votes
1
answer
436
views
Fibre Optic Cabling - Where to start?
I'm a sysadmin/developer that works for a small IT company. We are having a new office building built, and we have a limited time window in which to put in the core infrastructure network cabling that ...
user11604
3
votes
5
answers
397
views
How to convince a corporation to use DNS? [closed]
This is not the first time in my life when I have to convince a smaller corporation about using DNS service instead of /etc/hosts files and IP addresses. It might seem silly/funny at the first time, ...
- 2,610
3
votes
9
answers
1k
views
active directory or workgroup for production machines
The old school of thought was that application and database servers should not be part of the domain. I have my network setup such that only the app servers can communicate with the db servers. The ...
- 486
3
votes
2
answers
152
views
Difference between hard drives [closed]
I recently purchased an HPE ProLiant DL380 Gen9 Server for my company. This is all new to me and I am trusted to creating my companies IT infrastructure(hired to do software). I'm having a hard time ...
- 129
3
votes
2
answers
3k
views
What happens with the Guest OS's on ESXi in the event of a power failure?
Many small businesses would prefer to let their server drop on power failure than to pay even $100 for a cheap UPS. It's often difficult to convince them of the value of something like that; it's why ...
- 417
3
votes
1
answer
1k
views
Rails/Mongo across multiple different geo-regions
I have a system that by necessity requires physical presence in three or more different locations and I need advice on structuring in such a way that my database stays replicated in a timely manner ...
- 301
3
votes
5
answers
4k
views
A plan to mitigate PDU failures?
A client just experienced a complete failure of an APC AP7911A switched/metered rack power distribution unit (PDU). This obviously took all of the connected equipment down with it. The equipment is ...
- 199k
3
votes
4
answers
133
views
Managing a Testing Infrastructure
We're currently running continuous automated functional tests against the CI builds of our software. This is done on a variety of Windows based machines (around 10-15 boxes or VMs), to identify ...
- 133
3
votes
3
answers
374
views
IT merger - self-sufficient site with domain controller VS thin clients outpost with access to terminal server
SITUATION:
A larger company acquires a smaller one. IT infrastructure has to be merged. There are no immediate plans to change the current size or role of the smaller company - the offices and ...
- 499
3
votes
3
answers
258
views
Tool to describe information about infrastructure
I'm looking for something to describe existing infrastructure of working applications. What I need:
The ability to create new entities, add/edit properties of entity. Example of entity is Windows ...
mrusaev
3
votes
1
answer
468
views
Openstack redundant architecture on three servers
I would like to deploy an Openstack architecture on three (super)servers in a way that if one of server is down the Openstack infrastructure is still functionning.
What is the best way to deploy ...
- 83
3
votes
1
answer
182
views
Detecting Infrastructure Provider in Puppet
Note: we use Puppet standalone (master-less) i.e. puppet apply.
Usually, while deploying a web application there are a number of back-end services and applications that run behind the front-facing ...
- 153
3
votes
2
answers
229
views
IT Considerations for a company name change
Nothing is "for sure" yet but there is a good chance my company will be changing it's name in the future.
Our IT requirements are relatively modest - Exchange server, IIS, MSSQL, etc.
My question ...
- 3,998
3
votes
1
answer
29
views
Should our traffic drive our system design or our system design drive our traffic?
A few weeks ago, I have moved to a new company as Linux system administrator, they are going to start a project of moving production servers infrastructure from a data center to Amazon AWS.
They are ...
- 196
2
votes
4
answers
215
views
Cost saving measures from an IT perspective [closed]
We're looking at cutting costs in all departments, which of course, includes IT. There wasn't a whole lot of ideas other than auto-shutdown of all workstations at x-time and having low consumption ...
- 683
2
votes
3
answers
1k
views
Wireless network infrastructure for an office with 40 employees
In my company we're facing connectivity problems due to our not very professional network infrastructure. We're growing now, and we expect to be 40 people at the office by the end of the year.
I'm ...
