[Gluster-users] How to auto-sync the new brick, after it has been added to a replica volume?

[董鑫]

Hi Everyone,

I have a replica volume, with two bricks:

Volume Name: c1
Type: Replicate
Status: Start
Number of Bircks: 1X2 = 2
Transport-type: tcp
Bricks:
Brick1: 192.168.0.1:/data
Brick2: 192.168.0.2:/data

I don't set any options an this volume. There has one mount point an 192.168.0.4:/mnt/c1

on 192.168.0.4:
ls /mnt/c1
file1 file2 file3

Now, I want add a brick(192.168.0.3:/data) to the volume c1, let the replica count from 2 to 3:

gluster volume add-brick c1 replica 3 192.168.0.3:/data

then, see the volume info, it works:

Volume Name: c1
Type: Replicate
Status: Start
Number of Bircks: 1X3 = 3
Transport-type: tcp
Bricks:
Brick1: 192.168.0.1:/data
Brick2: 192.168.0.2:/data
Brick3: 192.168.0.3:/data

Well, all about these is OK, but when I see the 192.168.0.3's /data, there has nothing for a long time.......

When I see the mount point an 192.168.0.4's /mnt/c1, the files begin transport to the 192.168.0.3's /data.

Although use this way can sync to the new brick, but it is not smart. How can it auto-sync to the new brick?



Thanks in advance for any info or tips!
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