Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Pierce Ng
On Sat, Dec 03, 2016 at 11:49:02AM +0700, Sergiusz Pawlowicz wrote: > With 1GB of memory is is not recommended to use ZFS not BTRFS, > especially via a disk image file. Just forget about it. The same VPS - as same as a VPS can be :-) - ran LXC on Ubuntu 14.04 fine. For my work load perhaps the dir

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Tomasz Chmielewski
On 2016-12-03 18:31, Pierce Ng wrote: On Sat, Dec 03, 2016 at 11:49:02AM +0700, Sergiusz Pawlowicz wrote: With 1GB of memory is is not recommended to use ZFS not BTRFS, especially via a disk image file. Just forget about it. The same VPS - as same as a VPS can be :-) - ran LXC on Ubuntu 14.04

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Fajar A. Nugraha
On Sat, Dec 3, 2016 at 11:30 AM, Pierce Ng wrote: > Hi all, > > I'm running LXD on a Ubuntu 16.04 VPS with ~1GB RAM. My setup uses a disk > image > file, running on the default ext4 base filesystem, as the btrfs backend. > The > server runs four containers, of which only one is on the high side o

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Sergiusz Pawlowicz
> You'd need to set arc to be as small as possible: > # cat /etc/modprobe.d/zfs-arc-max.conf > options zfs zfs_arc_max=67108865 What is a sense of using ZFS if you don't use its cache? Non sense. it will work slower and less reliable than ext4. S. ___ l

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Fajar A. Nugraha
On Sat, Dec 3, 2016 at 6:01 PM, Sergiusz Pawlowicz wrote: > > You'd need to set arc to be as small as possible: > > # cat /etc/modprobe.d/zfs-arc-max.conf > > options zfs zfs_arc_max=67108865 > > What is a sense of using ZFS if you don't use its cache? Non sense. it > - excellent integration wit

Re: [lxc-users] Strange freezes with btrfs backend

2016-12-03 Thread Ron Kelley
My 0.02 We have been using btrfs in production for more than a year on other projects and about 6mos with LXD. It has been rock solid. I have multiple LXD servers each with >20 containers. We have a separate btrfs filesystem (with compression enabled) to store the LXD containers. I take nigh

Re: [lxc-users] Big snapshots abort...

2016-12-03 Thread Michel Dubé
No luck, I installed rsync package from 16.04 (rsync_3.1.1-3ubuntu1_amd64.deb) and gave it a try but no luck. Same problem. Snapshot +25G big aborts. But it succeeded manually by the next command: rsync -a -HAX --devices --delete --checksum --numeric-ids -q /var/lib/lxd/containers/emergence/ /va