On May 29, 2012, at 6:10 AM, Jim Klimov wrote:
> Also note that ZFS IO often is random even for reads, since you
> have to read metadata and file data often from different dispersed
> locations.

This is true for almost all other file systems, too. For example, in UFS, 
metadata is stored in fixed locations on the disk as defined when the
filesystem is created.
 -- richard

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