Table of Contents
PPT Slide
Overview of XFS Talk
SGI’s motivation: Why port and give away XFS?
1” x 3.5” Disk Capacity
XFS features
XFS features (cont’)
XFS features (cont’)
XFS Architecture
Why transactions/logging
XFS Log technology
async log and transactions
log/trans (cont’).
log/trans (cont’).
log/trans (cont’).
buffer cache/chunk cache
buffer cache/chunk cache (cont’)
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
xfs_bmap -- command to see extents
XFS defragmenter (NEW in 1999)
PPT Slide
V2 Directory Structure
V2 Short Form
V2 Block Form
V2 Leaf Form
V2 Node Form
B-tree Directory Speed
Current work on IRIX
XFS (how big is it?)
GRIO
PPT Slide
Summary
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Author: Jim Mostek
Email: mostek@sgi.com
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