On Sat, Jun 10, 2017 at 2:53 AM, Lindsay Mathieson < lindsay.mathie...@gmail.com> wrote:
> On 9/06/2017 9:56 PM, Pranith Kumar Karampuri wrote: > > > gluster volume remove-brick datastore4 replica 2 >> > vna.proxmox.softlog:/tank/vmdata/datastore4 force >> > >> > gluster volume add-brick datastore4 replica 3 >> > vnd.proxmox.softlog:/tank/vmdata/datastore4 >> >> I think that should work perfectly fine yes, either that >> or directly use replace-brick ? >> > > Yes, this should be replace-brick > > > Was there any problem in doing the way I did? > You won't notice the problem. But it is inefficient. AFR keeps track of which brick is good/bad based on the xattrs on the bricks. If you have 3 nodes A,B,C then on each brick there can be at least 2-3 extra AFR xattrs of the form (trusted.afr.<volname>-client-[0/1/2]. When you replace C->D then the same xattrs will stay. But when you remove C and add D it will treat it as a new brick and add one more xattr like trusted.afr.<volname>-client-3. So it is better to use replace-brick for this case. Add-brick/remove-brick is for users who make the decision to make the decision that they either want to increase the replica count of an existing volume or decrease it. HTH > -- > Lindsay Mathieson > > -- Pranith
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