From: Petter Reinholdtsen Date: Fri, 1 May 2015 17:33:52 +0000 (+0200) Subject: Add EUR. X-Git-Url: https://pere.pagekite.me/gitweb/homepage.git/commitdiff_plain/e020d8bad6c87cf341714fb2a5fae1db9e28c8ac Add EUR. --- diff --git a/blog/data/2015-05-01-telefonsamtalelagring.txt b/blog/data/2015-05-01-telefonsamtalelagring.txt index 6c5f83952f..0a25c81847 100644 --- a/blog/data/2015-05-01-telefonsamtalelagring.txt +++ b/blog/data/2015-05-01-telefonsamtalelagring.txt @@ -4,11 +4,11 @@ Date: 2015-05-01 19:30

Many years ago, a friend of mine calculated how much it would cost to store the sound of all phone calls in Norway, and came up with the -cost of around 20 million NOK for all the calls in a year. I got -curious and wondered what the same calculation would look like today. -To do so one need an idea of how much data storage is needed for each -minute of sound, how many minutes all the calls in Norway sums up to, -and the cost of data storage.

+cost of around 20 million NOK (2.4 mill EUR) for all the calls in a +year. I got curious and wondered what the same calculation would look +like today. To do so one need an idea of how much data storage is +needed for each minute of sound, how many minutes all the calls in +Norway sums up to, and the cost of data storage.

The 2005 numbers are from digi.no, @@ -29,9 +29,9 @@ to get the storage requirements.

Storage prices varies a lot, depending on speed, backup strategies, availability requirements etc. But a simple way to calculate can be -to use the price of a TiB-disk (around 1000 NOK) and double it to take -space, power and redundancy. It could be much higher with high speed -and good redundancy requirements.

+to use the price of a TiB-disk (around 1000 NOK / 120 EUR) and double +it to take space, power and redundancy. It could be much higher with +high speed and good redundancy requirements.

But back to the question, What would it cost to store all phone calls in Norway? Not much. Here is a small table showing the @@ -39,10 +39,10 @@ estimated cost, which is within the budget constraint of most medium and large organisations:

- - - - + + + +
YearCall minutesSizePrice in NOK
200524 000 000 0001.3 PiB3 mill
201218 000 000 0001.0 PiB2.2 mill
201317 000 000 000950 TiB2.1 mill
YearCall minutesSizePrice in NOK / EUR
200524 000 000 0001.3 PiB3 mill / 358k
201218 000 000 0001.0 PiB2.2 mill / 262k EUR
201317 000 000 000950 TiB2.1 mill/ 250k EUR

This is the cost of buying the storage. Maintenance need to be