On 09/23/2011 05:38 PM, Lamar Owen wrote:
> On Friday, September 23, 2011 05:17:01 AM you wrote:
>> Hi all,
>>
>>    Due to a certain app requeriments, I need to share an iscsi lun
>> between two sl5.x and five sl6.x servers. This lun is formatted with
>> ext4 fileysytem (I have used one of the sl5.x servers to do this). Can I
>> expect some type of problems ???
>
> You need to reconsider the filesystem type for a shared LUN.  Even if only one server at a time mounts this filesystem, using a clustered filesystem will prevent some of the problems you might experience.
>
> See https://secure.wikimedia.org/wikipedia/en/wiki/Shared_disk_file_system for a list of filesystems providing this functionality; upstream's GFS is available, as far as I know, in both 5.x and 6.x and may be a good choice for what you're wanting to do.

GFS2 was my first option, but due to changes on gfs code between version 
released by upstream on RHEL5.x and RHEl6.x, I have discarded ...

I don't need a cluster filesystem, because only one server at the same 
time needs to mount this filesystem ...

-- 
CL Martinez
carlopmart {at} gmail {d0t} com