[lxc-users] cluster node with different storage config

[Stéphane Graber]

Joining nodes should be empty, they should not have any existing
network or storage pool configured in LXD.

On Sun, Oct 4, 2020 at 3:19 AM Aleksandar Ivanisevic
<aleksandar at ivanisevic.de> wrote:
>
> Hi,
>
> I’m trying to join a node to a lxd cluster that has different storage configuration. My cluster uses storage pool ‘local’ in zfs pool ‘ee’ and the new node uses ‘rpool/lxd’. Although the documentation (https://linuxcontainers.org/lxd/docs/master/clustering.html) suggests that should be possible, no matter what I put in the preseed yaml it always either tries to import the zfs pool ‘ee’ or create an already existing pool ‘local'
>
> Does anyone know what is the correct syntax or is it possible at all?
>
> $ lxd init --preseed < /tmp/cluster.yaml
> $ cat /tmp/cluster.yaml
> cluster:
>   enabled: true
>   server_name: ${HOSTNAME%%.*}
>   server_address: ${HOSTNAME%%.*}:8443
>   cluster_address: lxd1:8443
>   cluster_certificate: "-----BEGIN CERTIFICATE——
> ...
> -----END CERTIFICATE-----
> "
>   cluster_password: “..."
>   member_config:
>
> # no matter what i put after this line it is always the same errors
> # Error: Failed to join cluster: Failed to initialize member: Failed to initialize storage pools and networks: Failed to create storage pool 'local': Storage pool directory "/var/snap/lxd/common/lxd/storage-pools/local" already exists
> # or, if the new member’s local pool is not called ‘local’ then it complains about zpool import ‘ee’ failed.
>
>
>   - entity: storage-pool
>     name: cluster
>     key: source
>     value: "rpool/lxd"
>     key: zfs.pool_name
>     value: "rpool/lxd"
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-- 
Stéphane