Re: lots of data written, but no space occupied

2018-02-23 Thread André Weidemann
On 23.02.2018 00:50, Chris Murphy wrote: The only thing I can think of is something's updating metadata due to relatime mount option. Maybe try noatime? At 9GiB, really it's 4.5GiB because whatever is being written is being doubled by raid1 profile and multiple devices. There is a case of

Re: lots of data written, but no space occupied

2018-02-22 Thread Chris Murphy
The only thing I can think of is something's updating metadata due to relatime mount option. Maybe try noatime? At 9GiB, really it's 4.5GiB because whatever is being written is being doubled by raid1 profile and multiple devices. There is a case of wandering trees where a little bit of change can

lots of data written, but no space occupied

2018-02-22 Thread André Weidemann
Hi, I've been using btrfs for some time now on my server and am pretty satisfied with it's performance and features. I'm running Ubuntu 16.04 64bit with kernel 4.4.0-112. The other day I installed collectd, InfulxDB and Grafana on my server. I was surprised to see on the graphs, that there