Btrfs filesystem freezing during snapshots

2014-05-26 Thread David Bloquel
Hi, I have a problem with my btrfs filesystem which is freezing when I am doing snapshots. I have a cron that is snapshoting around 70 sub volume every ten minutes. The sub volumes that btrfs is snapshoting are containers folders that are running through my virtual environment. Sub directories

Re: Btrfs filesystem freezing during snapshots

2014-05-26 Thread Martin
On 26/05/14 13:28, David Bloquel wrote: Hi, I have a problem with my btrfs filesystem which is freezing when I am doing snapshots. I have a cron that is snapshoting around 70 sub volume every ten minutes. The sub volumes that btrfs is snapshoting are containers folders that are running

Re: Btrfs filesystem freezing during snapshots

2014-05-26 Thread Duncan
David Bloquel posted on Mon, 26 May 2014 14:28:51 +0200 as excerpted: I have a problem with my btrfs filesystem which is freezing when I am doing snapshots. I have a cron that is snapshoting around 70 sub volume every ten minutes. The sub volumes that btrfs is snapshoting are containers

Re: Btrfs filesystem freezing during snapshots

2014-05-26 Thread Russell Coker
On Mon, 26 May 2014 16:20:55 Martin wrote: That looks to be running on top of drbd which will add a network write overhead (unless you are dangerously running asynchronously!). Hence you will see IO speed related limits a little sooner... http://etbe.coker.com.au/2012/01/05/drbd-benchmarking/

Re: Btrfs filesystem freezing during snapshots

2014-05-26 Thread Roman Mamedov
On Mon, 26 May 2014 14:28:51 +0200 David Bloquel david.bloq...@jimywoo.fr wrote: [69537.117439] Not tainted 3.12-0.bpo.1-amd64 #1 Try upgrading to the kernel 3.14. From what I can tell it has significant improvements/bugfixes in the snapshot deletion area. Just a couple of days ago I got

Re: Btrfs filesystem freezing during snapshots

2014-05-26 Thread Roman Mamedov
On Mon, 26 May 2014 22:39:16 +0600 Roman Mamedov r...@romanrm.net wrote: On Mon, 26 May 2014 14:28:51 +0200 David Bloquel david.bloq...@jimywoo.fr wrote: [69537.117439] Not tainted 3.12-0.bpo.1-amd64 #1 Try upgrading to the kernel 3.14. From what I can tell it has significant