发明名称 |
Magnetic tape apparatus, control method therefor, and magnetic tape apparatus control program |
摘要 |
There is provided a magnetic tape apparatus which can easily and rapidly restore data and has improved availability. The magnetic tape apparatus includes a plurality of magnetic tape drives, and a control unit for reading and writing information from/in the magnetic tape drives by commands from a host computer. The control unit has a function for storing the same data in the plurality of magnetic tape drives while duplicating the data. The control unit includes a positioning unit for, when the duplicated data is read from one magnetic tape drive to complete the read, performing positioning such that a read position of another magnetic tape drive in which the same data is stored is advanced by a length corresponding to an amount of data read from one magnetic tape drive, and a read continuing unit for continuing read of data from the other magnetic tape drive when data is unsuccessfully read from one magnetic tape drive.
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申请公布号 |
US2003169527(A1) |
申请公布日期 |
2003.09.11 |
申请号 |
US20030374966 |
申请日期 |
2003.02.28 |
申请人 |
NEC CORPORATION |
发明人 |
HANAGATA TADASHI;MORI YOSHIAKI |
分类号 |
G11B20/10;G06F3/06;G11B5/008;G11B15/68;G11B20/12;G11B20/18;G11B27/00;G11B27/10;G11B27/36;(IPC1-7):G11B15/12 |
主分类号 |
G11B20/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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