Patent ID: 9417812
Filing Date: 2016-08-16
CPC Classification: G06F

Claim Text:
1. A method, comprising: migrating data in a storage virtualization environment from a backend LUN to a destination storage using a data migration module stored in a device coupled to a host by a switch fabric, using the data migration module comprising: collecting information on a personality of the backend LUN by collecting responses from the backend LUN to Small Computer System Interface (SCSI) commands issued from the host to the backend LUN while the host is coupled to the backend LUN by the switch fabric in a direct path; presenting a virtualization of the backend LUN to include the personality of the backend LUN to the host, using the collected information, through a virtual target at the device using a first path through the switch while the host is coupled to the backend LUN by the switch fabric in the direct path; disconnecting the host from the direct path to the backend LUN while a destination storage is coupled to the device by the switch fabric; and migrating data from the backend LUN to the destination storage transparently to the host after disconnecting the host from the direct path to the backend LUN.