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Hi Andy,

On 10/01/12 14:19, Andrew Hanushevsky wrote:
> Hi Matevz,
>
> -----Original Message----- From: Matevz Tadel
> Sent: Monday, October 01, 2012 12:38 PM
>
> I'm finally going to implement this at UCSD.
>>> What's the "this"?
>
> Brian sort of mentioned that this
> might be possible by just running two cmsd-s at the redirector ... one for
> haddop/shared space and another one for the nfs space. Is this really possible?
>>>> Absolutely, this is done all the time when you try to merge incompatible
>>>> options.
>
> So, I'd need to use xrootd.export, oss.export in the original xrootd config and
> use cms.export (or all.export) for the additional cmsd. Looking at the code,
> "oss" does not seem to take "oss.export" version, only "all.export" ... is this
> even relevant on the redirector? That is, is just "xrootd.export" sufficient?
>>>> There is only all.export. though I must admit, the config file does allow
>>>> you to break that up by compoenent (i.e. cms, oss). We really don't support
>>>> that and probably should close that loophole because it makes the config
>>>> file almost impossible to decipher. The export does matter to the redirector
>>>> as these identify the paths to be exported to its meta-manager.

OK, thanks. So, with all.export only, I can have the same xrootd.cfg for all 
xrootds/cmsds but I need a special cmsd-hdfs.cfg and cmsd-nfs.cfg on the 
redirector for the two cmsd instances (I do not see a way to tell them apart 
with the 'if' syntax of config files).

I assume I have to use the same name for (xroot, cmsd, cmsd) triplet.

Matevz

> Alternatively, I will run another xrootd/cmsd pair (on another port) with a
> static prefix-based redirect from the original redirector.
>>>> That would certainly be the simplest way to do it.
>
> Andy

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