[CentOS] "Overlay" Filesystem Mounts?

[Ljubomir Ljubojevic]

Vreme: 11/15/2011 06:39 PM, John Hodrien piše:
> On Tue, 15 Nov 2011, Tim Nelson wrote:
>
>> ----- Original Message -----
>>> On Tue, 15 Nov 2011, Tim Nelson wrote:
>>>
>>>> I'm already doing this. It "works", but is quite messy. I had hoped
>>>> there
>>>> would be an actual filesystem merging function that would do this
>>>> automagically.
>>>
>>> Presumably it's be easy enough to knock up with fuse, but there'd be a
>>> small
>>> performance hit compared to the symlink approach.
>>
>> A small loss of performance would be acceptable.
>>
>>> Why are you wanting to do this out of interest? Are you merging
>>> filesystems
>>> from multiple servers?
>>
>> Yes, multiple exports on multiple servers. The data is read by a legacy
>> application that does not have a concept of 'multiple data locations' in
>> which to read data from. :-/
>
> Anything of interest here?
>
> http://en.wikipedia.org/wiki/UnionFS
>
> jh
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>

Yup, that should be it.

Available Packages
funionfs.x86_64      0.4.3-6.el6        epel
fuse-unionfs.x86_64  0.23-1.el6.rf      repoforge

Repoforge built variant seams better, but do not hold me for it.

-- 

Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant