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公开(公告)号：US20130342929A1
公开(公告)日：2013-12-26
申请号：US13529309
申请日：2012-06-21
CPC分类号： G11B5/59627 , G11B20/10009 , G11B20/10527
摘要： A method of correcting repeatable run out (RRO) errors for a HDD in which RRO data is instead stored in consolidated form within the reserved area of the disk, instead of storing RRO data in the servo patterns for each HDD track or sector. RRO data is preferably stored in the reserved area of a hard disk drive in compressed form. The compressed RRO data is subsequently read into DRAM in compressed form and then decompressed for use. Predictive techniques determine what compressed RRO data is needed for upcoming read/write operations.
摘要翻译： 一种用于校正HDD的可重复耗尽（RRO）错误的方法，其中RRO数据以固定形式存储在盘的保留区域内，而不是将RRO数据存储在每个HDD轨道或扇区的伺服模式中。 RRO数据优选地以压缩形式存储在硬盘驱动器的保留区域中。 压缩的RRO数据随后以压缩形式读入DRAM，然后解压缩使用。 预测技术确定即将到来的读/写操作需要什么压缩的RRO数据。
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公开(公告)号：US09001450B2
公开(公告)日：2015-04-07
申请号：US13529309
申请日：2012-06-21
IPC分类号： G11B5/596
CPC分类号： G11B5/59627 , G11B20/10009 , G11B20/10527
摘要： A method of correcting repeatable run out (RRO) errors for a HDD in which RRO data is instead stored in consolidated form within the reserved area of the disk, instead of storing RRO data in the servo patterns for each HDD track or sector. RRO data is preferably stored in the reserved area of a hard disk drive in compressed form. The compressed RRO data is subsequently read into DRAM in compressed form and then decompressed for use. Predictive techniques determine what compressed RRO data is needed for upcoming read/write operations.
摘要翻译： 一种用于校正HDD的可重复耗尽（RRO）错误的方法，其中RRO数据以固定形式存储在盘的保留区域内，而不是将RRO数据存储在每个HDD轨道或扇区的伺服模式中。 RRO数据优选地以压缩形式存储在硬盘驱动器的保留区域中。 压缩的RRO数据随后以压缩形式读入DRAM，然后解压缩使用。 预测技术确定即将到来的读/写操作需要什么压缩的RRO数据。
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