[DRBD-user] DRBD9 Satellite nodes

Dietmar Maurer dietmar at proxmox.com
Thu Apr 21 17:41:40 CEST 2016

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


> - it accesses the drbdmanage control volume, which is a drbd resource
>   itself, and where the cluster information is stored, via TCP/IP. The
>   reason satellites exist is that currently a drbd volume is limited to
>   32 nodes. As the cluster information is stored on a drbd volume, that
>   would limit the whole cluster to 32 nodes. That is avoided with
>   satellite nodes that get their cluster configuration via TCP/IP, so
>   you can keep adding a lot more than 32 nodes to you cluster.

What happens to a satellite node if the corresponding control 
node is offline? Why is there single a dedicated control node?




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