Patent classifications
G11B2020/148
Encoding information on tape using write offset gaps
As disclosed herein a method for encoding information on tape using write offset gaps. The method includes receiving a request to write a dataset on a tape medium using a plurality of head groups, and identifying information to be encoded when writing the dataset. The method further includes determining a head group offset pattern that encodes the information, and writing the dataset using the head group offset pattern. Also disclosed herein is a method for decoding information on tape using write offset gaps. The method includes reading a dataset from a tape medium using a plurality of head groups, and determining a head group offset pattern used to read the dataset. The method further includes decoding information encoded in the head group offset pattern to provide decoded information. A computer program product corresponding to the above method is also disclosed herein.
Systems and methods for missed media sector alignment
A system includes a first sync mark detector circuit operable to apply a first sync mark detection algorithm to search a received media sector and overhead for a second sync mark after a failure to identify a first sync mark. A second sync mark detector circuit operable to apply a second sync mark detection algorithm to search the received media sector and overhead for the second sync mark. An anchor point identification circuit identifies an anchor point in the received media sector. A retry controller circuit causes a re-read of the received media sector and overhead when the first sync mark detector circuit fails to identify the first sync mark, and aligns the received media sector to yield an aligned media sector. A data processing circuit recovers an original user data set from the aligned media sector.
Systems and Methods for Missed Media Sector Alignment
Systems and methods relating generally to data processing, and more particularly to adjusting gain parameters in relation to data processing.
ENCODING INFORMATION ON TAPE USING WRITE OFFSET GAPS
As disclosed herein a method for encoding information on tape using write offset gaps. The method includes receiving a request to write a dataset on a tape medium using a plurality of head groups, and identifying information to be encoded when writing the dataset. The method further includes determining a head group offset pattern that encodes the information, and writing the dataset using the head group offset pattern. Also disclosed herein is a method for decoding information on tape using write offset gaps. The method includes reading a dataset from a tape medium using a plurality of head groups, and determining a head group offset pattern used to read the dataset. The method further includes decoding information encoded in the head group offset pattern to provide decoded information. A computer program product corresponding to the above method is also disclosed herein.
Encoding information on tape using write offset gaps
As disclosed herein a method for encoding information on tape using write offset gaps. The method includes receiving a request to write a dataset on a tape medium using a plurality of head groups, and identifying information to be encoded when writing the dataset. The method further includes determining a head group offset pattern that encodes the information, and writing the dataset using the head group offset pattern. Also disclosed herein is a method for decoding information on tape using write offset gaps. The method includes reading a dataset from a tape medium using a plurality of head groups, and determining a head group offset pattern used to read the dataset. The method further includes decoding information encoded in the head group offset pattern to provide decoded information. A computer program product corresponding to the above method is also disclosed herein.
ENCODING INFORMATION ON TAPE USING WRITE OFFSET GAPS
As disclosed herein a method for encoding information on tape using write offset gaps. The method includes receiving a request to write a dataset on a tape medium using a plurality of head groups, and identifying information to be encoded when writing the dataset. The method further includes determining a head group offset pattern that encodes the information, and writing the dataset using the head group offset pattern. Also disclosed herein is a method for decoding information on tape using write offset gaps. The method includes reading a dataset from a tape medium using a plurality of head groups, and determining a head group offset pattern used to read the dataset. The method further includes decoding information encoded in the head group offset pattern to provide decoded information. A computer program product corresponding to the above method is also disclosed herein.