[Bugs] [Bug 1281230] New: dht must avoid fresh lookups when a single replica pair goes offline

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1281230

            Bug ID: 1281230
           Summary: dht must avoid fresh lookups when a single replica
                    pair goes offline
           Product: GlusterFS
           Version: mainline
         Component: distribute
          Assignee: bugs at gluster.org
          Reporter: sabansal at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:
Currently even if a single replica pair goes down, there will be fresh lookups
for all files and directories thought there is no layout changes. Hence DHT
must avoid fresh lookups when bricks go down.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Create a 2x2 dist-rep volume, mount the volume and create few directories.
2. Bring one the replica pair down.
3. Perform lookup on the directories

Actual results:
Fresh lookups on all the directories

Expected results:
Fresh lookup must be avoided, and read xattr from the other pair

Additional info:

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