发明名称 INFORMATION PROCESSING APPARATUS AND OPERATION METHOD THEREOF
摘要 An information processing apparatus includes a remote copying processing part 214 copying, at predetermined time intervals, difference data of a D-VOL 72 onto a different D-VOL 72 via a communication interface; and a failover processing part 215 acquiring the number of other auxiliary volumes 74 provided to be added to the different D-VOL 72 as a new D-VOL 72 when the copying of the difference data of the D-VOL 72 onto the different D-VOL 72 is complete, comparing the number of other auxiliary volumes 74 with the number of auxiliary volumes 74 included in itself, and performing a failover process of switching a function of a copy source of a data copying process by the data copying processing part to a function of a copy destination thereof when the number of other auxiliary volumes 74 is larger than the number of that in itself by a predetermined value or more.
申请公布号 US2010088279(A1) 申请公布日期 2010.04.08
申请号 US20080326943 申请日期 2008.12.03
申请人 HITACHI, LTD. 发明人 ZHANG XUERUI;SAIKA NOBUYUKI
分类号 G06F12/16;G06F12/00;G06F13/00;G06F13/28;G06F17/30 主分类号 G06F12/16
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