公开(公告)号：US20170169053A1

公开(公告)日：2017-06-15

申请号：US15430876

申请日：2017-02-13

Applicant: NetApp Inc.

Inventor： Vikas Yadav ,  Raghu R. Arur ,  Amol Chitre

IPC: G06F17/30 ,  G06F11/20 ,  G06F3/06

CPC classification number: G06F17/30212 ,  G06F3/0619 ,  G06F3/0643 ,  G06F3/065 ,  G06F3/0683 ,  G06F11/2069 ,  G06F11/2082 ,  G06F17/30088 ,  G06F17/30097

Abstract: Embodiments of the present invention provide a mechanism for converting an existing mirror relationship between an original dataset at a source storage system and a copy of the original dataset at a destination system to a new mirror without discarding the existing copy of the original dataset and without transferring data to create a new dataset to replace the copy of the original dataset at the destination storage system. Rather, a directory structure (including file attributes) of the source storage system is transferred to the destination storage system and a comparison is made to identify file attributes at the destination system that match the transferred file attributes. If a match is found, a mapping between the matched file attributes is created. Subsequent updates to the to destination storage system can be done using a technique other than the one that was used to create a copy of the source dataset.

公开(公告)号：US10248660B2

公开(公告)日：2019-04-02

申请号：US15430876

申请日：2017-02-13

Applicant: NetApp Inc.

Inventor： Vikas Yadav ,  Raghu R. Arur ,  Amol Chitre

IPC: G06F3/06 ,  G06F17/30 ,  G06F11/20

Abstract: Embodiments of the present invention provide a mechanism for converting an existing mirror relationship between an original dataset at a source storage system and a copy of the original dataset at a destination system to a new mirror without discarding the existing copy of the original dataset and without transferring data to create a new dataset to replace the copy of the original dataset at the destination storage system. Rather, a directory structure (including file attributes) of the source storage system is transferred to the destination storage system and a comparison is made to identify file attributes at the destination system that match the transferred file attributes. If a match is found, a mapping between the matched file attributes is created. Subsequent updates to the to destination storage system can be done using a technique other than the one that was used to create a copy of the source dataset.