Comparing ASM with ZFS Dr. Jason Arneil

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Comparing ASM with ZFSDr. Jason Arneil
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ZFS
ASM
Agenda
ASM
ZFS
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Who am I?
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About Nominet
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FS
FS
VOL
DISK
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ASM/ZFS
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ASM
Comparing ASM with ZFS
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No great thing is created suddenly. -
Epictetus
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ASM COMPONENTS
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Extent Maps
Disk Group
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Extent Maps
Disk Group
Failure Group 2
Failure Group 1
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• REBALANCE

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MYTHS
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ZFS
ASM to ZFS
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No great thing is created suddenly. -
Epictetus
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Layers Of ZFS
Interface Layer
ZPL
ZVOL
Transactional Object Layer
ZAP
DMU
DSL
ZIL
Pooled Storage Layer
ZIO
SPA
ARC
VDEV
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(No Transcript)
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ZFS Basics
ASM to ZFS
zpool create db c1t0d0
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zfs snapshot db_at_now
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Self Healing
RDBMS
ASM/ZFS
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Side by Side
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Conclusion
Comparin ASM with ZFS
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Questions?
Comparing ASM with ZFS

• Contact
• jason_at_nominet.org.uk
• Blogs
• http//blog.nominet.org.uk/tech
• http//jarneil.wordpress.com