发明申请
US20160117133A1 PARITY LOGS FOR RAID SYSTEMS WITH VARIABLE CAPACITY MEDIA 有权
具有可变容量媒体的RAID系统的奇偶性日志

PARITY LOGS FOR RAID SYSTEMS WITH VARIABLE CAPACITY MEDIA
摘要:
Embodiments of the invention provide parity logs for raid systems with variable-capacity media. In one embodiment, a system includes a first set of data storage media devices having variable capacity. The storage devices include a data portion of a parity data set for storing write data being striped to the first. The system further includes a second set of data storage media devices having variable capacity. The second set includes a linear address space of blocks for storing a parity portion of the parity data set. The linear address space is written in a log form. The first and second sets comprise at least one array in a RAID configuration. The system writes the parity portion of the parity data set to the second set, which enables each storage device among the first set to be written to full capacity.
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