Ubuntu Hacks

Ubuntu Hacks - Jonathan Oxer

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Device Mapper Modules

Modules use the device-mapper framework to

implement specific functionality:

●

“dmraid” for software RAID

“cryptsetup” for block device encryption

Jonathan Oxer

Device Mapper New feature in 2.6 kernel to layer arbitrary features on top of block devices ● Snapshotting ● Backups ● Redirection ● Encryption Jonathan Oxer

Device Mapper Modules Modules use the device-mapper framework to implement specific functionality: ● ● “dmraid” for software RAID “cryptsetup” for block device encryption Jonathan Oxer

Page 1: Ubuntu Hacks Virtual Virtual Device
Page 5 and 6: Caveats Encrypted filesystems typic
Page 7 and 8: Jonathan Oxer Layering Virtual Devi
Page 9 and 10: Jonathan Oxer Layering Virtual Devi
Page 11 and 12: Jonathan Oxer Layering Virtual Devi
Page 13 and 14: ● Create The Device Layers Create
Page 15: More Information These slides are o

Ubuntu Hacks

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