[Gluster-users] how to shrink a volume?

Shylesh Kumar shmohan at redhat.com
Fri Nov 9 14:30:48 UTC 2012

Anselm Strauss wrote:
> hi,
> although there is a related section in the documentation of gluster 3.3,
> i do not see this really working. removing a brick will just remove data
> on a brick which is not what i want. and migrating means replacing the
> brick with a new one which does not result in a shrunken volume.
> is there a way to shrink a volume online without loosing any data in the
> means of reducing the number of bricks a volume is distributed over?
try remove-brick start option

$ gluster volume remove-brick volname brick1 start

this will redistribute the data from brick1 to the remaining bricks
once it's completed then commit it.

$ gluster volume remove-brick volname brick1 commit

this removes the brick1 from the volume.

> anselm
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