On Thu, Sep 16, 2010 at 8:21 AM, Mike DeMarco <mikej...@yahoo.com> wrote:
> What are the ramifications to changing the recordsize of a zfs filesystem 
> that already has data on it?
>
> I want to tune down the recordsize to speed up very small reads to a size 
> that is more in line with the read size.
> can I do this on a filestystem that has data already on it and how does it 
> effect that data? zpool consists of 8 SANs Luns.

Changing any of the zfs properties only affects data written after the
change is made.  Thus, reducing the recordsize for a filesystem will
only affect newly written data.  Any existing data is not affected
until it is re-written or copied.


-- 
Freddie Cash
fjwc...@gmail.com
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