[DragonFlyBSD - Bug #2569] ctime NFS

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2569 has been updated by ftigeot.

Description updated

Can you provide simple steps to reproduce the problem ?

HAMMER doesn't use ctime for replication.
I also tried editing a file exported on NFS and ctime values changed on both client and server after
every modification.

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Bug #2569: ctime NFS 
http://bugs.dragonflybsd.org/issues/2569#change-11556

* Author: ferney
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Hi, 
its my first report on this!
we try to use Hammer on dfly with my organisation MATHRICE, 
our purpose is to use hammer to have a a replication on kvm - libvirt VM on a NFS mount of dfly file system. 
So i test and the PFS on the slave is not updated. 
It seem that ctime is not reported on nfs server  of Dfly so my VM (wich is a raw file) change, but ctime of the raw file on serveur  doesn't change and so hammer is not sending udates of files system to his slave PFS. 

I read that some nfs server in V3 doesn't use ctime of nfs client. 

Is it a bug on dfly nfsd ?  a choice? or i'm incorrect?

perhaps only nfsv4 use ctime? 
it would be nice if dfly use nfsv4 or really use ctime which is on struct fattr3
Thanks a lot
Damien FERNEY 



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