发明名称 |
INFORMATION PROCESSING DEVICE AND DATA SHREDDING METHOD |
摘要 |
<p>An object is to achieve efficient shredding of recording media. For a storage system 10 which accepts a data input/output request transmitted in units of files from the client device 2 and includes a recording medium (hard disk drives 171) for storing in units of data blocks a file entity specified by the received data input/output request, in the information processing device (server device 3) performing data write or read, for shredding data blocks including a recording medium, from the files stored in the recording medium, a file whose update frequency exceeds the previously set threshold is selected and the selected entity file is stored in the data block to realize pseudo shredding for the data block.</p> |
申请公布号 |
WO2011104742(A1) |
申请公布日期 |
2011.09.01 |
申请号 |
WO2010JP01192 |
申请日期 |
2010.02.23 |
申请人 |
HITACHI, LTD.;JINNO, TAICHI;SAIKA, NOBUYUKI |
发明人 |
JINNO, TAICHI;SAIKA, NOBUYUKI |
分类号 |
G06F3/06;G06F17/30;G06F21/62 |
主分类号 |
G06F3/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|