[Gluster-users] GlusterFS VS OpenVZ kernel

Joe Julian joe at julianfamily.org
Fri May 3 09:08:48 UTC 2013

On 05/03/2013 12:52 AM, Koleszár Ádám wrote:
> Hi,
> We have a problem with glusterFS. We are using it on Centos 5 machine 
> with OpenVZ kernel. Gluster daemon and gluster clients run on the 
> host, not in the container. Recently we noticed a problem when we 
> upgraded the OpenVZ kernel. After the upgrade there are strange errors 
> in case of accessing the gluster volume. There are a few folders that 
> can't be seen with 'ls' but if you give the whole path you can access 
> the files in the folder. If there is a folder with files in it and you 
> type 'ls' it hangs and only can be stopped with 'kill -9'.
> We are using glusterfs 3.2.5 but we have tried with 3.2.7 and the same 
> happened.
> With kernel version: 2.6.18-308.el5.028stab099.3 -- there were no errors.
> With kernel version: 2.6.18-348.3.1.el5.028stab106.2 -- it has the 
> above mentioned errors
> Unfortunately we don't have any information about the other kernels 
> between the two versions. We can reproduce the errors in production 
> and development environments. We created a new volume on our own test 
> computers but we cannot reproduce the bugs. If we mount the 
> development gluster volume on the test computers which are running the 
> 2.6.18-348.3.1.el5.028stab106.2 OVZ kernel we cannot reproduce the 
> bug. That's why we think the gluster clients work with the new kernel 
> but the gluster daemon doesn't.
It's the ext4 problem: 

Backported to el5 as of 2.6.18-326.el5
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