Computer system
AssigneeHitachi, Ltd.
InventorsKeiichi Kaiya, Noboru Furuumi, Kenta Ninose
Life of this patent
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Abstract
A computer system includes: a first storage apparatus; a second storage apparatus; a first volume of the first storage apparatus; and a second volume of the second storage apparatus; wherein the first volume and the second volume have a copy pair relationship and a host system recognizes the second volume as the same volume as the first volume; and wherein the first storage apparatus sends reservation information of the first volume to the second storage apparatus; and the second storage apparatus controls access from the host system on the basis of the received reservation information.
Claims12
A computer system comprising:
- a first storage apparatus;
- a second storage apparatus;
- a first volume of the first storage apparatus;
- and
- a second volume of the second storage apparatus;
- wherein the first volume and the second volume have a copy pair relationship and
- a host system recognizes the second volume as the same volume as the first volume;
- and
- wherein the first storage apparatus sends reservation information of the first volume to the second storage apparatus;
- and
- the second storage apparatus controls access from the host system on the basis of the received reservation information.
A reservation control method for a computer system comprising:
- a first storage apparatus;
- a second storage apparatus;
- a first volume of the first storage apparatus;
- and
- a second volume of the second storage apparatus;
- wherein the first volume and the second volume have a copy pair relationship and
- a host system recognizes the second volume as the same volume as the first volume;
- and
- wherein the first storage apparatus sends reservation information of the first volume to the second storage apparatus;
- and
- the second storage apparatus controls access from the host system on the basis of the received reservation information.
Dependencies are inferred from the claim text.