[Gluster-users] Volume rebalance issue

Mahdi Adnan mahdi.adnan at outlook.com
Sun Feb 26 17:16:59 UTC 2017


Yes, i would love to try it out.

Steps to apply the patch would be highly appreciated.


Mahdi A. Mahdi

From: Krutika Dhananjay <kdhananj at redhat.com>
Sent: Sunday, February 26, 2017 5:37:11 PM
To: Mahdi Adnan
Cc: gluster-users at gluster.org; Kevin Lemonnier; Gandalf Corvotempesta; Lindsay Mathieson; David Gossage
Subject: Re: [Gluster-users] Volume rebalance issue


We fixed this (thanks to Satheesaran for recreating the issue and to Raghavendra G and Pranith for the RCA) as recently as last week.
The bug was in DHT-shard interaction.

The patches are https://review.gluster.org/#/c/16709/ followed by https://review.gluster.org/#/c/14419 to be applied in that order.

Do you mind giving these a try before it makes it into the next .x releases of 3.8, 3.9 and 3.10?
I could make the src tarball with these patches applied if you like.


On Sat, Feb 25, 2017 at 8:56 PM, Mahdi Adnan <mahdi.adnan at outlook.com<mailto:mahdi.adnan at outlook.com>> wrote:


We have a volume of 4 servers 8x2 bricks (Distributed-Replicate) hosting VMs for ESXi, i tried expanding the volume with 8 more bricks, and after rebalancing the volume, the VMs got corrupted.

Gluster version is 3.8.9 and the volume is using the default parameters of group "virt" plus sharding.

I created a new volume without sharding and got the same issue after the rebalance.

I checked the reported bugs and the mailing list, and i noticed it's a bug in Gluster.

Is it affecting all of Gluster versions ? is there any workaround or a volume setup that is not affected by this issue ?

Thank you.


Mahdi A. Mahdi

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