[Gluster-users] Problem adding brick (replica)

Anirban Ghoshal chalcogen_eg_oxygen at yahoo.com
Wed Dec 18 20:27:19 UTC 2013

Ok, I am not associated with, or part of the glusterFS development team in any way; I fact I only started using glusterfs since the past 3-4 months or so, but I have often observed that useful info might be found at <log file dir>/.cmd_history.log, which is, in your case,


On Wednesday, 18 December 2013 8:08 PM, Saša Friedrich <sasa.friedrich at bitlab.si> wrote:

I have some trouble adding a brick to existing gluster volume.

When I try to (in CLI):

gluster> volume add-brick data_domain replica 3 gluster2.data:/glusterfs/data_domain
I get:

volume add-brick: failed:
I probed the peer successfully, peer status returns:

Hostname: gluster3.data
>Uuid: e694f552-636a-4cf3-a04f-997ec87a880c
>State: Peer in Cluster (Connected)
>Hostname: gluster2.data
>Port: 24007
>Uuid: 36922d4c-55f2-4cc6-85b9-a9541e5619a2
>State: Peer in Cluster (Connected)
Existing volume info:

Volume Name: data_domain
>Type: Replicate
>Volume ID: ae096e7d-cf0c-46ed-863a-9ecc3e8ce288
>Status: Started
>Number of Bricks: 1 x 2 = 2
>Transport-type: tcp
>Brick1: gluster1.data:/glusterfs/data_domain
>Brick2: gluster3.data:/glusterfs/data_domain
>Options Reconfigured:
>storage.owner-gid: 36
>storage.owner-uid: 36
>server.allow-insecure: on
>network.remote-dio: enable
>cluster.eager-lock: enable
>performance.stat-prefetch: off
>performance.io-cache: off
>performance.read-ahead: off
>performance.quick-read: off
Only thing I found in log is:

>[2013-12-18 12:09:17.281310] W [cli-rl.c:106:cli_rl_process_line]
      0-glusterfs: failed to process line
>[2013-12-18 12:10:07.650267] I
      [cli-rpc-ops.c:332:gf_cli_list_friends_cbk] 0-cli: Received resp
      to list: 0
>[2013-12-18 12:12:38.887911] I
      0-management: Received add brick req
>[2013-12-18 12:12:38.888064] I
      0-management: replica-count is 3
>[2013-12-18 12:12:38.888124] I
      0-management: Changing the replica count of volume data_domain
      from 2 to 3
I'm running some VM-s on this volume so I'd really like to avoid
    restarting glusterd service.
OS is FC19, kernel 3.11.10-200.fc19.x86_64, glusterfs.x86_64

tnx for help!

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