* Posts by BlueJay

3 publicly visible posts • joined 9 Feb 2022

How Google uses mirrors to dynamically reconfigure its networks



I'm not sure what's new here that wasn't already achieved by photonic switches? Some Internet exchange points have been doing this since at least 2004, but maybe without the beta tag...

Atlassian outage lingers, sparking data loss fears


More than two months

We had to ditch using OneDrive as a backup destination as more often than not, downloading a large file (e.g. 1GB) would have a different hash compared to the one we uploaded.

It wasn't consistent, so it didn't appear to be MS value-adding some metadata on every upload.

This was happening well over a year ago, switched over to Dropbox who at least seem to be able to provide the same file you provided to them...

Your data centre UPS could feed power to the smart grid, suggests research


Smart but dark

In my experience the UPS/switchgear is one of the things most likely to result in you reaching for the torches due to a dark and silent data hall. I fear adding yet more complexity to a UPS isn't going to improve matters.