Patent ID: 8495313
Filing Date: 2013-07-23
Classification: G06F

Abstract:
1. A method, comprising: allocating, in a first storage server having a first plurality of clusters, a virtual logical unit to store learning metadata, wherein the learning metadata indicates a type of storage device in which selected data of the first plurality of clusters of the first storage server are stored; receiving a copy services command to copy the selected data from the first storage server to a second storage server having a second plurality of clusters; copying, via the copy services command, the virtual logical unit that stores the learning metadata, from the first storage server to the second storage server; and copying selected logical units corresponding to the selected data from the first storage server to the second storage server, and subsequent to the copying of the selected logical units corresponding to the selected data from the first storage server to the second storage server, and subsequent to the copying of the virtual logical unit that stores the learning metadata from the first storage server to the second storage server, using the learning metadata to place the selected data in the type of storage device indicated by the learning metadata.