From c3ffd75620b5466ed985d93807e3e4fc897807ad Mon Sep 17 00:00:00 2001 From: alex Date: Mon, 12 Dec 2022 09:12:19 +0000 Subject: [PATCH] =?UTF-8?q?Mise=20=C3=A0=20jour=20de=20'article=5Fhome'?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- article_home.md | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/article_home.md b/article_home.md index a9e3269..253d438 100644 --- a/article_home.md +++ b/article_home.md @@ -76,7 +76,7 @@ All in all, this server is rather under-used at 8% CPU usage and under 3 GiB of ### Running costs -Price for this machine is 32 € / month. +I rent this machine for 32 € / month. ## Home NAS ### Specs @@ -90,7 +90,7 @@ I already have had to change failing disks which was a satisfying experience. I really enjoy the 3 disks + 1 parity setup, nice balance between disk loss and security. -### usage +### Usage ![qnap usage](https://gitea.micouleau.net/alex/homelab-project/raw/branch/master/htop-qnap.png) @@ -105,11 +105,11 @@ Here is the obeserved usage of this NAS : Power consumptions benchmarks are easy to find over the web for the TS 451+. -Taking into account my average usage, I recon my TS 451+ consumption to average 30W which would amount to 5.58 $ / year in electricity. +Taking into account my average usage, I recon my TS 451+ consumption to average 30W which would amount to 40€ / year in electricity. Since the NAS is now old, its acquisition cost is out of the scope, but its safe to say that I'll need to replace one of its disk every 18 months. The last disk I bought was 60€ so 40€/year. -The monthly cost of this NAS thus amounts to 3.75€/month +The monthly cost of this NAS thus amounts to 6.67€/month ## Conclusions For running all my services, the two machines consume around : @@ -117,7 +117,7 @@ The monthly cost of this NAS thus amounts to 3.75€/month * less than 8 GiB of RAM * around 850 GiB of disk space -In terms of monthly costs we're set at around 36 € / month +In terms of monthly costs we're set at around 39 € / month # Ebay browsing @@ -175,13 +175,15 @@ I think I could run this setup as is for at least four years, given I replace 1 ### Running costs / OpEx As the server will most probably be as idle as the existing setup, I envision it will consume around 180 to 200W. -At the current prices of energy in my area the yearly cost of energy would amount to around 35€ / year or 3 € /month +At the current prices of energy in my area the yearly cost of energy would amount to around 235 € / year or 20 € /month ### Costs verdict -**I would drop down from 36 € per month to 11.** a discount of around 70 %. +I would drop down from 36 € per month to 28 € a discount of around 33 % for 4 times the power and for times the RAM. Not bad. + +This comparison is not really fair. Let's redo it taking the assumption I would get the same ATOM processor and same power consumption. My energy cost would fall to 2,5€/month, my full cost would be of around 11 € /month providing a discount of almost 70% vs Public clouds. + -Break even is also very fast as I'll have returned my investment by the 12th month.