[Bugs] [Bug 1561721] New: Rebalance failures on a dispersed volume with lookup-optimize enabled
bugzilla at redhat.com
bugzilla at redhat.com
Wed Mar 28 18:21:15 UTC 2018
https://bugzilla.redhat.com/show_bug.cgi?id=1561721
Bug ID: 1561721
Summary: Rebalance failures on a dispersed volume with
lookup-optimize enabled
Product: GlusterFS
Version: 4.0
Component: disperse
Assignee: bugs at gluster.org
Reporter: jahernan at redhat.com
CC: bugs at gluster.org
Depends On: 1561406
+++ This bug was initially created as a clone of Bug #1561406 +++
Description of problem:
When rebalance is executed after adding a brick (or some other operation that
changes the layout) on a dispersed volume with lookup-optimize enabled, some
files are not migrated to the right brick.
Version-Release number of selected component (if applicable): mainline
How reproducible:
Always
Steps to Reproduce:
1. Create a disperse volume
2. Enable lookup-optimize
3. Create some files
4. Add new bricks
5. Run rebalance
Actual results:
Some files are not migrated
Expected results:
All files should be migrated
Additional info:
There's a bug in EC that causes the request for
trusted.glusterfs.list-node-uuids xattr to be only processed in one subvolume.
This causes that the resulting list only contains one of the UUIDs and all the
other are set to the null uuid, as if they were down.
Referenced Bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=1561406
[Bug 1561406] Rebalance failures on a dispersed volume with lookup-optimize
enabled
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