[GSM-WG] TMetaDataPathDetail and SpaceToken

[Riccardo Zappi]

Dear all,
I've a question about TMetaDataPathDetail data type. I observe the 
optional field 'arrayOfSpaceTokens' is defined as an array of String.

TMetaDataPathDetail is used as an output parameter in srmLs, and in 
particular when used with 'fullDetailedList=true', the field 
arrayOfSpaceTokens could be not null.

I don't be able to find a scenario where two (or more) space tokens can 
be assigned to the same SURL, and mostly which is the meaning.

Only 'srmPrepareToPut' is able to create a SURL with a space token (one 
and only). The function 'srmChangeSpaceForFile' makes possible to change 
the space token affiliate to the SURL, but one and only remain I suppose.

What happen when I make 'srmPrepareToPut' to an existent SURL with 
specified a target space token different (but with the same 
TRetentionPolicyInfo) from space token already associated?
And what about space occupied in the two storage area?

It is my opinion contemplates two or more space token associated with 
one SURL produce an unnecessary complexity. Have I misunderstand some 
details?

Cheers,
Riccardo



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Riccardo Zappi

Istituto Nazionale di Fisica Nucleare - CNAF
Viale Berti Pichat, 6/2,  40127 BOLOGNA - ITALY
Phone:  +39-051-609-2868                Fax:    +39-051-609-2746
e-mail: riccardo.zappi at cnaf.infn.it
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