Block-based allocation and Extent-based allocation in Solaris


 
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Operating Systems Solaris Block-based allocation and Extent-based allocation in Solaris
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Old 09-08-2011
Question Block-based allocation and Extent-based allocation in Solaris

Hi guys!

Could you tell me what's this figure about? (See the attached figure below.)
This is a representation of block allocation filesystem and extent allocation filesystem in Solaris.

Does this mean that in a block-based allocation, data are placed in individual blocks while in extent-based allocation, each block has many blocks inside it?
Am I correct?

Please someone correct me if I got it wrong.
Thanks!
Block-based allocation and Extent-based allocation in Solaris-filesystem_fig2gif
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