发明申请
- 专利标题： MAINTAINING CONSISTENCY IN A REMOTE COPY DATA STORAGE SYSTEM
- 专利标题（中）： 在远程复制数据存储系统中维护一致性
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申请号： US11848772申请日： 2007-08-31
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公开(公告)号： US20080059738A1公开(公告)日： 2008-03-06
- 发明人: Dale Burr , Henry Esmond Butterworth , Carlos Francisco Fuente , William James Scales
- 申请人： Dale Burr , Henry Esmond Butterworth , Carlos Francisco Fuente , William James Scales
- 优先权： GB0617342.1 20060902
- 主分类号： G06F12/16
- IPC分类号： G06F12/16 ; G06F15/16
摘要：
An apparatus configured to operate as a primary for a remote copy pair is provided. The apparatus comprises a journal component at said primary for generating journal entries for one or more uncompleted sequenced batches; a configurator responsive to an error indication from a secondary for enumeration of said one or more uncompleted sequenced batches; and a primary server responsive to said enumeration of said one or more uncompleted sequenced batches to reissue to said secondary one or more write requests for said one or more uncompleted sequenced batches, during recovery processing.
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