[Gluster-users] Can I remove a brick for dispersed volume on 3.9?

Zhang Hang hangzzzzz at qq.com
Sat Dec 10 11:13:11 UTC 2016

I am new to glusterFS and now I am trying it with the proxmox VE under lab situation. I have 5 nodes on proxmox VE and made a dispersed volume of  1 x (4 + 1) = 5. however, the node02 has failed to work now. so i plan to reinstall proxmox VE on node02 so i need to remove the brick on node02 but i failed with this message:
gluster> volume remove-brick DispersedVol node02:/gluster/node02/brick01 force
Removing brick(s) can result in data loss. Do you want to Continue? (y/n) y
volume remove-brick commit force: failed: Remove brick incorrect brick count of 1 for disperse 5

is that possible to remove a brick from the dispersed volume in this kind of circumstance?

here is some information of my volume: 
root at node04:~# gluster 
gluster> peer status
Number of Peers: 4

Hostname: node02
State: Peer in Cluster (Disconnected)

Hostname: node05
State: Peer in Cluster (Connected)

Hostname: node03
State: Peer in Cluster (Connected)

Hostname: node01
State: Peer in Cluster (Connected)

gluster> volume info
Volume Name: DispersedVol
Type: Disperse
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x (4 + 1) = 5
Transport-type: tcp
Brick1: node01:/gluster/node01/brick01
Brick2: node02:/gluster/node02/brick01
Brick3: node03:/gluster/node03/brick01
Brick4: node04:/gluster/node04/brick01
Brick5: node05:/gluster/node05/brick01
Options Reconfigured:
nfs.disable: on
performance.readdir-ahead: on
transport.address-family: inet

Anybody can help? Thanks a lot!
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