[Libvir] Repository for work-in-progress storage patches

[Richard W.M. Jones]

Daniel P. Berrange wrote:
> On Sat, Jan 19, 2008 at 01:47:30PM +0000, Richard W.M. Jones wrote:
>> This function confuses me a bit.  It takes a virStoragePoolPtr as 
>> parameter, but it only uses pool->conn.  The other two 
>> virStorageVolLookupBy* functions take a virConnectPtr directly.
> 
> There are 3 levels of unique identifiers in storage volumes
> 
>   - name - unique within the scope of a Pool
>   - key - unique across any machine accessing the same pool
>   - path - unique within scope of a host (optionally across any host,
>            if the pool impl supports that).
> 
> So, since name is unique within scope of a volume, while the others
> are unique within scope of a host, the virStorageVolLookupByName
> method is different, taking a virStoragePoolPtr instead of a 
> virConnectPtr.

A few examples would go a long way to helping me understand this.  Can 
you give examples of name/key/path in the context of 
iscsi/partition/directory?

Rich.

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