Description of problem: root@Dagobah:~# gluster volume add-brick vol dagobah:/data/export1/ dagobah:/data/export2 Add Brick unsuccessful root@Dagobah:~# gluster volume info Volume Name: vol Type: Distributed-Replicate Volume ID: d02487da-ef7b-47c3-8c86-5e435f76211f Status: Started Number of Bricks: 2 x 2 = 4 Transport-type: tcp Bricks: Brick1: dagobah:/data/export1 Brick2: dagobah:/data/export6 Brick3: dagobah:/data/export5 Brick4: dagobah:/data/export4 Options Reconfigured: performance.read-ahead: on features.quota: on features.limit-usage: /:7GB performance.stat-prefetch: on root@Dagobah:~#
Fixed by commit 04fd297 (glusterd: Set errstr for duplicate add-brick)