Invention Grant
- Patent Title: Storage system having a plurality of storage apparatuses which migrate a first volume group to a second volume group
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Application No.: US16354375Application Date: 2019-03-15
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Publication No.: US10860235B2Publication Date: 2020-12-08
- Inventor: Koki Matsushita , Toru Suzuki , Takahito Sato , Atsushi Oku
- Applicant: Hitachi, Ltd.
- Applicant Address: JP Tokyo
- Assignee: HITACHI, LTD.
- Current Assignee: HITACHI, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Mattingly & Malur, PC
- Priority: JP2018-133731 20180713
- Main IPC: G06F3/06
- IPC: G06F3/06
Abstract:
The first to third storage apparatuses each comprise an SVOL1, SVOL2 and PVOL. Even when the write command designates any of the PVOL, SVOL1 and SVOL2, at least one of the first to third storage apparatuses writes write target data according to the write command to the PVOL and then writes the write target data in parallel to the SVOL1 and SVOL2. Even if a read command designates any of the PVOL, SVOL1 and SVOL2, at least one of the first to third storage apparatuses reads read target data according to the read command from the PVOL.
Public/Granted literature
- US20200019334A1 STORAGE SYSTEM Public/Granted day:2020-01-16
Information query
