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 virStorageVolLookupByNamemethod 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. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903
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