[Gluster-users] Problem with self-heal

Pranith Kumar Karampuri pkarampu at redhat.com
Thu Jul 3 05:01:43 UTC 2014

On 07/02/2014 06:39 PM, Tiziano Müller wrote:
> Hi there
> Not sure whether this is related, but we see the same problem with
> glusterfs-3.4(.2). Several files are listed as being healed but they never
> finish and checksums are identical.
> We had some problems with NTP, meaning that the clocks on the nodes diverged by
> a couple of seconds. I suspect this may be the root cause for it, but I could
> not do any further tests and the files are still in the same state (self-healing).
> Interestingly there are other threads describing this sort of problem, but
> nothing came out so far.
Could you give getfattr -d -m. -e hex 
<file-that-gives-this-problem-on-backend> outputs on both the bricks of 
the replica pair to see what the problem is.

> Best,
> Tiziano
> Am 01.07.2014 22:58, schrieb Miloš Kozák:
>> Hi,
>> I am running some test on top of v3.5.1 in my 2 nodes configuration with one
>> disk each and replica 2 mode.
>> I have two servers connected by a cable. Through this cable I let glusterd
>> communicate. I start dd to create a relatively large file. In the middle of
>> writing process I disconnect the cable, so on one server (node1) I can see all
>> data and on the other one (node2) I can see just a split of the file when
>> writing is finished.. no surprise so far.
>> Then I put the cable back. After a while peers are discovered, self-healing
>> daemons start to communicate, so I can see:
>> gluster volume heal vg0 info
>> Brick node1:/dist1/brick/fs/
>> /node-middle - Possibly undergoing heal
>> Number of entries: 1
>> Brick node2:/dist1/brick/fs/
>> /node-middle - Possibly undergoing heal
>> Number of entries: 1
>> But on the network there are no data moving, which I verify by df..
>> Any help? In my opinion after a while I should get my nodes synchronized, but
>> after 20minuts of waiting still nothing (the file was 2G big)
>> Thanks Milos
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