[Gluster-users] Resync or how to force the replication

[M S Vishwanath Bhat]

On 26/11/13 12:47, gandalf istari wrote:
> Hi have setup a two node replication glusterfs. After the initial 
> installation the "master" node was put into the datacenter and after 
> two week we moved the second one also to the datacenter.
>
> But the sync has not started yet.
>
> On the "master"
>
> gluster> volume info all
>
> Volume Name: datastore1
>
> Type: Replicate
>
> Volume ID: fdff5190-85ef-4cba-9056-a6bbbd8d6863
>
> Status: Started
>
> Number of Bricks: 1 x 2 = 2
>
> Transport-type: tcp
>
> Bricks:
>
> Brick1: nas-01-data:/datastore
>
> Brick2: nas-02-data:/datastore
>
> gluster> peer status
>
> Number of Peers: 1
>
>
> Hostname: nas-02-data
>
> Uuid: 71df9f86-a87b-481d-896c-c0d4ab679cfa
>
> State: Peer in Cluster (Connected)
>
>
> On the "slave"
>
> gluster> peer status
>
> Number of Peers: 1
>
> Hostname: 192.168.70.6
>
> Uuid: 97ef0154-ad7b-402a-b0cb-22be09134a3c
>
> State: Peer in Cluster (Connected)
>
>
> gluster> volume status all
>
> Status of volume: datastore1
>
> Gluster processPortOnlinePid
>
> ------------------------------------------------------------------------------
>
> Brick nas-01-data:/datastore49152Y2130
>
> Brick nas-02-data:/datastoreN/ANN/A
>
> NFS Server on localhost2049Y8064
>
> Self-heal Daemon on localhostN/AY8073
>
> NFS Server on 192.168.70.62049Y3379
>
> Self-heal Daemon on 192.168.70.6N/AY3384
>
Which version of glusterfs are you running?

volume status suggests that the second brick (nas-02-data:/datastore) is 
not running.

Can you run "gluster volume start <volname> force" in any of these two 
nodes and try again?
Then you would also required to run `find . | xargs stat` on the 
mountpoint of the volume. That should trigger the self heal.
>
> There are no active volume tasks
>
>
> I would like to run on the "slave" gluster volume sync nas-01-data 
> datastore1
>
BTW, There is no concept of "master" and "slave" in afr (replication). 
However there is concept of "master volume" and "slave volume" in 
gluster geo-replication.
>
> But then the virtual machines hosted will be unavailible is there 
> another way to start the replication ?
>
>
> Thanks
>
>
>
>
>
>
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