Re: Help needed, server is unresponsive after btrfs balance

2019-02-05 Thread Qu Wenruo
On 2019/2/5 下午7:45, Moritz M wrote: > > > Am 2019-02-04 14:55, schrieb Qu Wenruo: >> On 2019/2/4 下午8:49, Moritz M wrote: You're using qgroups, it's known to cause huge performance overhead for balance. We have upcoming patches to solve it, but it not going to mainline >

Re: Help needed, server is unresponsive after btrfs balance

2019-02-05 Thread Moritz M
Am 2019-02-04 14:55, schrieb Qu Wenruo: On 2019/2/4 下午8:49, Moritz M wrote: You're using qgroups, it's known to cause huge performance overhead for balance. We have upcoming patches to solve it, but it not going to mainline before v5.1 kernel. So please disable qgroups if you're not usin

Re: Help needed, server is unresponsive after btrfs balance

2019-02-04 Thread Moritz M
You're using qgroups, it's known to cause huge performance overhead for balance. We have upcoming patches to solve it, but it not going to mainline before v5.1 kernel. So please disable qgroups if you're not using it actively. Thanks, was not aware that I turned it on. Is btrfs quota disabl

Re: Help needed, server is unresponsive after btrfs balance

2019-02-04 Thread Qu Wenruo
On 2019/2/4 下午7:47, Moritz M wrote: > Hi, > > I'm running a Ubuntu server with a btrfs RAID1 consisting of three HDDs. > > I do balancing daily via > >> btrfs balance start -dusage=50 -dlimit=2 -musage=50 -mlimit=4 / > > It usually takes between 1 - 10 minutes. > > But today the server was u

Help needed, server is unresponsive after btrfs balance

2019-02-04 Thread Moritz M
Hi, I'm running a Ubuntu server with a btrfs RAID1 consisting of three HDDs. I do balancing daily via btrfs balance start -dusage=50 -dlimit=2 -musage=50 -mlimit=4 / It usually takes between 1 - 10 minutes. But today the server was unresponsive (no ssh connect possible, no direct login via