Posts Tagged ‘RAID3’
Under the covers with Miss Alignment: Full-stripe writes
May 2nd, 2011 | 
Author: In a previous blogpost I covered the general issue of misalignment on a disk segment level. This is the most occurring and the most obvious misalignment, where several spindles in a RAID set perform random I/O and misalignment causes more spindles need to seek for a single I/O than would be required when properly aligned.
Next in the series there is another misalignment issue which is rare, but can have a much bigger impact on tuned storage: Full stripe misalignment.
Posted in Storage, VMware | 
Tags: full stripe, mis-alignment, misalignment, RAID10, RAID3, RAID5, write-optimized, writes | 
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