I confirm such wrong behaviour in Sheepdog daemon version 0.8.0_331_gecc533e.
More than leaving the cluster, the node should get weight 0 and become
a gateway only.
This way guests can continue working.
root@test007:~# dog node list
Id Host:Port V-Nodes Zone
0 192.168.10.4:7000 126 67807424
1 192.168.10.5:7000 129 84584640
2 192.168.10.6:7000 129 101361856
3 192.168.10.7:7000 129 118139072
root@test007:~# dog node md info --all
Id Size Used Avail Use% Path
Node 0:
0 216 GB 5.7 GB 210 GB 2% /mnt/sheep/0
Node 1:
0 219 GB 4.8 GB 215 GB 2% /mnt/sheep/0
Node 2:
0 220 GB 5.2 GB 215 GB 2% /mnt/sheep/0
Node 3:
0 220 GB 5.2 GB 215 GB 2% /mnt/sheep/0
root@test007:~# dog node md unplug /mnt/sheep/0
__
()'`;
/\|`
/ | Caution! Recovery will be triggered after unplugging.
(/_)_|_ Are you sure you want to continue? [yes/no]: yes
root@test007:~# dog node list
Id Host:Port V-Nodes Zone
0 192.168.10.4:7000 126 67807424
1 192.168.10.5:7000 129 84584640
2 192.168.10.6:7000 129 101361856
3 192.168.10.7:7000 129 118139072
root@test007:~# dog node recovery
Nodes In Recovery:
Id Host:Port V-Nodes Zone Progress
3 192.168.10.7:7000 129 118139072 0.0%
root@test007:~# dog node info
Id Size Used Avail Use%
0 216 GB 5.7 GB 210 GB 2%
1 219 GB 4.8 GB 215 GB 2%
2 220 GB 5.2 GB 215 GB 2%
3 0.0 MB 0.0 MB 0.0 MB 0%
(It hangs...I had to press ctrl+c)
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