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From: | Ravishankar N |
Subject: | [Gluster-devel] Persistent AFR changelog attributes |
Date: | Wed, 12 Feb 2014 10:03:32 +0530 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
Hello,As you might perhaps be aware, AFR translator currently uses the client translator names as the name of it's changelog extended attributes.
i)This can be a problem when a remove-brick operation is performed when there are pending heals happening because remove-brick causes a graph change wherein the client translator names become different.
ii) Also, for gluster snapshot volumes to work correctly, there needs to be a persistent mapping of AFR changelog attributes to the bricks.
After some internal discussions, we have come up with a new naming mechanism that ensures backward compatibility. Details on the aforementioned problems and the proposed solution are detailed in a feature page [1] for GlusterFS 3.6.
Please feel free to go through it and give your comments/ critiques. Thanks and regards, Ravi[1] https://www.gluster.org/community/documentation/index.php/Features/persistent-AFR-changelog-xattributes
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