[Gluster-users] [Gluster-devel] In what kind of circumstance, the changlog trusted.afr.xxx of a file will become 0xFFFFFFFF

[Krutika Dhananjay]

Changing cc'd group to gluster-users. 

Hi, 

Could you provide the client and brick logs (bricks 8 and 9 when counting from 0)? 

-Krutika 

----- Original Message -----

> From: "Jaden Liang" <jaden1q84 at gmail.com>
> To: gluster-devel at gluster.org
> Sent: Friday, November 21, 2014 8:16:42 AM
> Subject: [Gluster-devel] In what kind of circumstance, the changlog
> trusted.afr.xxx of a file will become 0xFFFFFFFF

> Hi all,

> I have a glusterfs-3.4.5 build with 6 x 2 Distributed-Replicate volume for
> KVM storage. And found one of the file is not in a consistant state. I
> checked the extent attributes of every replica file on brick as below:

> # file:
> sf/data/vs/local/d2c2bf42-0206-43db-824b-d2d3872ea42d/98d0e5d0-44c6-4284-ae09-aa0a232056c7/images/cluster/b6da49e44cec/test.vm/vm-disk-1.qcow2
> trusted.afr.vs_vol_rep2-client-8=0xffffffff0000000000000000
> trusted.afr.vs_vol_rep2-client-9=0x000000000000000000000000
> trusted.gfid=0xca90124fa56d42bba7a2840719ed74d6
> trusted.glusterfs.lockinfo=0x0000000100000075000000093c504f534958282f73662f646174612f76732f6c6f63616c2f34313831616363352d633532332d343033662d383664352d3033346566656337316434652f39386430653564302d343463362d343238342d616530392d616130613233323035366337293a686f73742d34633732623965366461376500313733313236313600

> # file:
> sf/data/vs/local/4181acc5-c523-403f-86d5-034efec71d4e/98d0e5d0-44c6-4284-ae09-aa0a232056c7/images/cluster/b6da49e44cec/test.vm/vm-disk-1.qcow2
> trusted.afr.vs_vol_rep2-client-8=0x000000000000000000000000
> trusted.afr.vs_vol_rep2-client-9=0x000000000000000000000000
> trusted.gfid=0xca90124fa56d42bba7a2840719ed74d6
> trusted.glusterfs.lockinfo=0x0000000100000075000000093c504f534958282f73662f646174612f76732f6c6f63616c2f34313831616363352d633532332d343033662d383664352d3033346566656337316434652f39386430653564302d343463362d343238342d616530392d616130613233323035366337293a686f73742d34633732623965366461376500313733313236313600

> There is a trusted.afr.vs_vol_rep2-client-8=0xffffffff0000000000000000. BTW,
> one of t he servers did disconnect for less than 1 minute then came back 1
> miute and keep this loop for one 12 hours(Just testing the glusterfs
> behavior in bad network circumstance). As I know, the changelog of
> aft-xlator is modified by increase or decrease with 1. I think i t is
> unlikely the operations increase to 0xFFFFFFFF. It might be some buggy code
> decrease changelog to -1 which is 0xFFFFFFFF.

> Just sending this mail here, may be there is someone met this before or
> knowing what is going on.

> Thanks.

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> Gluster-devel at gluster.org
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