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Re: Advice on hardware server to use for small a dedicated data center



On 2020-06-26 11:34, echo test wrote:
Hello,

Hello. :-)


First of all, please don't ask me why I simply don't want to use aws or gcp.

Even if you do not use their services, you might find it useful to emulate them and implement a private cloud.


Then, I want to build a small data center for my company for hosting a web
app and a mail server. It's the first time I'm going to buy some hardware
for this.

Please specify the architecture of your services, your current development/ test/ staging/ production infrastructure and facilities, your current workload for each service, your current quality of service for each service, and all other relevant details.


Please describe your goals for the new data center in terms of the above.


Please specify your budget and schedule.


I tried looking for it on the web in order to compare them but it
seems that hardware vendors never want to talk about Debian on their
websites.

I suspect they see no financial benefit in doing so.


Seriously, I prefer using my money for donating to the Debian foundation
than having to pay for Ubuntu or Red Hat Enterprise because I love Debian
and ...

Business owners are usually interested in spending their money on things that provide a positive "return on investment".


So, I want to know if It's a good idea to try using Debian in an enterprise
context,

Please define "enterprise context". (I would define it as thousands of employees and even more web hits and e-mail messages per day)


I view Debian as the dominant enthusiast Linux distribution in the USA. I use it on my SOHO laptops and desktops because it mostly works on most x86/x86_64 computers made in the last ~20 years. (But, it is common for the "stable" version not to work on recently designed hardware.) I also have a Ubiquitti Networks Unifi Controller application stack running on a Debian VPS on the Internet ($5/month). I am the only user and it has never failed. Other people with far more knowledge, skills, and ambition do more with Debian, but the effort appears to be both heroic and lonely. I have yet to hear of an "enterprise" environment built on Debian, but you can tell us about yours when you build it. (URL's for examples of such are welcome.)


I view FreeBSD as the dominant free x86/x86_64 BSD/Unix server distribution. I use it on my SOHO servers because the design is traditional, the feel is polished, software packages are recent, and there are good books available [1, 2]. FreeBSD has notable enterprise deployments and commercial derivatives [3].


I view Ubuntu as the dominant commercial Debian derivative company, Red Hat as the dominant USA commercial Linux company, SUSE as the dominant German commercial Linux company, and Oracle as the dominant commercial Unix company. If I ran an enterprise data center on Unix or Unix-like computers, I would find the following characteristics of these commercial offerings to be very appealing:

1.  Configuration management, quality assurance, and documentation.

2.  Hardware and software certification/ integration (notably Oracle).

3.  Technical support and consulting.

4.  Personnel training and certification.


with hardwares like Dell EMC PowerEdge or Lenovo ThinkCenter which
seems to never mention that they support Debian. What kind of issues can I
encounter with such hardwares except simple cases like having to install
missing drivers with some already available firmwares.

If you use a commercial OS, certified hardware, and certified software, you should never experience compatibility issues. If you do find an issue, you make the vendor fix it (or fire them and hire another vendor).


Can you give me some alternative hardwares in case this idea may take me to
much time to solve ?

I have a Dell PowerEdge T30 and do not recall any issues with Debian 9. (But the fact that Dell disabled the M.2 NVMe port in the firmware does irritate me.)


I have had good luck with Antec cases; Thermaltake power supplies, Intel motherboards, network interfaces, and solid-state drives; and Seagate hard disk drives.


Note: I will need some RAID solution hard or soft.

"Enterprise" implies storage area networks. This requires hardware (and support software).


Drives and/or racks with dual interfaces require hardware (and support software).


Hardware RAID (and support software) should give you the best I/O performance and least CPU load, but implies locking you into the vendor's way of doing things.


Software RAID gives you the most control and flexibility, but impacts I/O performance and CPU load.


Sorry if my English is bad, it's not my mother language.

Your English is fine.


Thank you.

You're welcome.  :-)


There have been 16 responses to your post in the past 36+ hours. You should reply to at least some of them.


David



[1] https://www.pearson.com/us/higher-education/product/Mc-Kusick-Design-and-Implementation-of-the-Free-BSD-Operating-System-The-2nd-Edition/9780133761832.html

[2] https://mwl.io/nonfiction

[3] https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/nutshell.html#introduction-nutshell-users


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