[Users] ploop on NFSv4 - Lock Problem

[Sirk Johannsen]

Hey everybody,

I am not sure if this is really a ploop issue or more of an NFS issue.
Point is: I've tried a lot but did not succeed :-/
I am storing the Container Images on a NFS Storage.
We used to use NFSv3 but want to switch to NFSv4 now (mainly because of
performance issues).
But when I try to start or create a ploop based Container I get the
following message:

Error in do_lock (lock.c:132): Error in
flock(/mnt/nfs4_test/private/121.tmp/root.hdd/DiskDescriptor.xml.lck): Bad
file descriptor
Failed to create image: Error in do_lock (lock.c:132): Error in
flock(/mnt/nfs4_test/private/121.tmp/root.hdd/DiskDescriptor.xml.lck): Bad
file descriptor [23]

I tried everythin I know with the NFS parameters but did not find a
solution.
Does anyone out there have a similar problem or even a solution ?

many thanks and best regards,

Sirk

PS:
CentOS 6..4
Kernel 2.6.32-042stab079.5
vzctl version 4.4
ploop version 1.8


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