[Gluster-users] [Gluster-devel] Can anyone else shed any light on this warning?

Joe Julian joe at julianfamily.org
Sat Jul 26 17:58:03 UTC 2014

On 07/26/2014 12:02 AM, Pranith Kumar Karampuri wrote:
> On 07/26/2014 11:06 AM, Pranith Kumar Karampuri wrote:
>> On 07/26/2014 03:06 AM, Joe Julian wrote:
>>> How can it come about? Is this from replacing a brick days ago? Can 
>>> I prevent it from happening?
>>> [2014-07-25 07:00:29.287680] W [fuse-resolve.c:546:fuse_resolve_fd] 
>>> 0-fuse-resolve: migration of basefd
>>> (ptr:0x7f17cb846444 inode-gfid:87544fde-9bad-46d8-b610-1a8c93b85113) 
>>> did not complete, failing fop with
>>> EBADF (old-subvolume:gv-nova-3 new-subvolume:gv-nova-4)
>>> It's critical because it causes a segfault every time. :(
>> Joe,
>>      This is fd migration code. When a brick layout changes (graph 
>> change) the file needs to be re-opened in the new graph. This re-open 
>> seemed to have failed. It leads to crash probably because extra unref 
>> in failure code path. Could you add brick/mount logs to the bug 
>> https://bugzilla.redhat.com/show_bug.cgi?id=1123289. What is the 
>> configuration of the volume?
> I checked the code, I don't see any extra unrefs as of now. Please 
> provide the details I asked for in the bug.
> CC Raghavendra G, Raghavendra Bhat who know this code path a bit more.
Added the log and volume info.

I assume I can prevent any more nodes from crashing by migrating any VMs 
whose image was hosted on the former brick to another compute note, 
which would establish a whole new fd?

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