DISK STORAGE SYSTEM WITH TWO DISKS PER SLOT AND METHOD OF OPERATION THEREOF
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United States of America Patent
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Issued Date -
Jan 24, 2013
app pub date -
Jul 19, 2011
filing date -
Jul 19, 2011
priority date (Note) -
Abandoned
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Abstract
A method of operation of a disk storage system includes: providing a disk storage controller; coupling a storage carrier, having a first physical disk and a second physical disk, to the disk storage controller; detecting a failure of the first physical disk; writing a non-volatile memory to show the second physical disk is unavailable when the storage carrier is de-coupled from the disk storage controller; and logging a first written stripe in the non-volatile memory for update when the second physical disk is not available including updating only the written stripe in the second physical disk when the storage carrier is again coupled to the disk storage controller.
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