[Gluster-users] Problem with self-heal

Tiziano Müller tiziano.mueller at stepping-stone.ch
Wed Jul 2 13:09:30 UTC 2014


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.

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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