Slide 1SE-292 High Performance Computing File Systems Sathish Vadhiyar Slide 2 2 FILE SYSTEMS What is a file? Storage that continues to exist beyond lifetime of program (persistent)…

Slide 1 FS Consistency, Block Allocation, and WAFL Slide 2 Summary of Issues for File Systems 1. Buffering disk data for access from the processor. block I/O (DMA) must use…

FS Consistency, Block Allocation, and WAFL Summary of Issues for File Systems 1. Buffering disk data for access from the processor. block I/O (DMA) must use aligned, physically…

File Systems and Disk Layout I/O: The Big Picture Rotational Media Sector Track Cylinder Head Platter Arm Access time = seek time + rotational delay + transfer time seek…

FS Consistency, Block Allocation, and WAFL Summary of Issues for File Systems 1. Buffering disk data for access from the processor. block I/O (DMA) must use aligned, physically…