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I am running docker using the zfs driver and with the root set to be on a zfs dataset. I found that over the past few months (since I started using it this way) something has created over 1600 datasets and that has caused the performance of zfs tools to become unbelievably slow (zfs list takes about 1 minute right now).

I've tried googling it and haven't found anything similar. I am running docker using the zfs driver and with the root set to be on a zfs dataset ...

log time="2019-02-15T07:23:51.195350597Z" level=error msg="No zfs dataset found for root" backingFS=extfs root=/mnt/zpool1/docker storage-driver ...

Root Pool Dataset Layout. I'm running CentOS on a ZFS root and would like to reorganise my root pool into something more logical. My current pool looks like this: In terms of the ability to roll back snapshots, I'm starting to think this layout is sub-optimal. How do you guys have your's set up?

Apr 30, 2020 · So there is no need to use disk managers such as LVM or ZFS. In fact, using ZFS with Docker carries the risk of performance loss, as described by the creators of Docker. And last but not least, the ZFS storage driver is not among recommended ones for usage with Ubuntu Distro and Docker Community Edition. See the documentation for more details.

Yesterday, I've read all release notes of Ubuntu 20.04, zfs 0.8.3 and decided that I should go for upgrade. Upgrade was uneventful, I reviewed some config I've changed, mostly decided to keep mine. After start I did smoke checks and found that docker can't start. In logs of service I …

Assuming you have: a ZFS pool (let's call it data ); a ZFS dataset mounted on /var/lib/docker (created with a command along the line of: zfs ...

There is no need to use MountFlags=slave with Docker Engine 18.09 or later because dockerd and containerd are in different mount namespaces. Configure Docker ...

Feb 14, 2018 · The current situation is that the user-docker does not wait for zfs to finish mounting. I will consider enhancing the logic here. We can check the zfs mounting status before user-docker starts, if user-docker uses the zfs storage driver. Make sure we can get zfs datasets, then start user-docker.

Why? Why would you run Docker on ZFS? I discovered ZFS when I was playing with LXD, because it's the recommended storage driver for it.

Use docker save to save containers, and push existing images to Docker Hub or a private repository, so that you do not need to re-create them later. Note. There is no need to use MountFlags=slave with Docker Engine 18.09 or later because dockerd and containerd are in different mount namespaces. Configure Docker with the zfs storage driver. Stop ...

ERRO[2020-01-27T20:10:35.393221666-08:00] No zfs dataset found for root backingFS=extfs root=/var/lib/docker storage-driver=zfs.

Nov 25, 2016 · root@ubuntu-1gb-nyc1-01:~# df -h /var/lib/docker/ Filesystem Size Used Avail Use% Mounted on zpool-docker/docker 9.7G 128K 9.7G 1% /var/lib/docker Output of zfs list NAME USED AVAIL REFER MOUNTPOINT zpool-docker 202K 9.63G 19K /zpool-docker zpool-docker/docker 122K 9.63G 122K /var/lib/docker

Apr 11, 2021 · One area where I found some difficulty was with getting a ZFS pool to be ... This is the zfs dataset path, not the system file path. ... docker_awme/dump total 55G ...

According to Docker ZFS storage docs, if the Docker root dir is a ZFS filesystem, the Docker daemon will automatically use zfs as its storage driver. Now you'll ...

Use docker save to save containers, and push existing images to Docker Hub or a private repository, so that you do not need to re-create them later. Note. There is no need to use MountFlags=slave with Docker Engine 18.09 or later because dockerd and containerd are in different mount namespaces. Configure Docker with the zfs storage driver. Stop ...

"github.com/docker/docker/pkg/discovery" ... Debugf("[zfs] no zfs dataset found for rootdir '%s'", mountPath). 57, + logrus.Debugf("[zfs] no zfs dataset ...

13.02.2017 · 1. Stop Docker service: `sudo systemctl stop stop docker` 2. Check the existence of Docker ZFS snapshots with something like `sudo zfs list -H -o name -t snapshot | grep docker` 3. Delete the aforementioned ZFS snapshots: `sudo zfs list -H -o name -t snapshot | grep docker | xargs -n1 sudo zfs destroy -R` 3. Start Docker service again: `sudo ...

14.02.2018 · The current situation is that the user-docker does not wait for zfs to finish mounting. I will consider enhancing the logic here. We can check the zfs mounting status before user-docker starts, if user-docker uses the zfs storage driver. Make sure we …

To enable ZFS as the storage driver for Docker, you’ll need to create a ZFS filesystem for Docker and make sure it’s mounted. $ sudo zfs create zpool1/docker $ sudo zfs list -o name,mountpoint,mounted. At this point you’ll have a ZFS filesystem created and mounted at /zpool1/docker. According to Docker ZFS storage docs, if the Docker root ...

25.11.2016 · root@ubuntu-1gb-nyc1-01:~# df -h /var/lib/docker/ Filesystem Size Used Avail Use% Mounted on zpool-docker/docker 9.7G 128K 9.7G 1% /var/lib/docker Output of zfs list NAME USED AVAIL REFER MOUNTPOINT zpool-docker 202K 9.63G 19K /zpool-docker zpool-docker/docker 122K 9.63G 122K /var/lib/docker

docker version: 1.9.1 docker info: Containers: 0 Images: 0 Server Version: 1.9.1 Storage Driver: zfs Zpool: rpool Zpool Health: ONLINE Parent Dataset: rpool/root ...

options zfs l2arc_write_max=1048576000 options zfs l2arc_headroom=12 options zfs zfs_txg_timeout=10 This is running on a Dell T320 with a PERC H310 flashed into IT mode. I did run this initial test with my few VMs and containers …

Feb 13, 2017 · 1. Stop Docker service: `sudo systemctl stop stop docker` 2. Check the existence of Docker ZFS snapshots with something like `sudo zfs list -H -o name -t snapshot | grep docker` 3. Delete the aforementioned ZFS snapshots: `sudo zfs list -H -o name -t snapshot | grep docker | xargs -n1 sudo zfs destroy -R` 3. Start Docker service again: `sudo ...

I recently switched my server to zfs on root (still haven't ... I quickly found that the Docker zfs storage driver seems to suck a lot.