On Mon, Mar 08, 2010 at 03:18:34PM -0500, Miles Nordin wrote:
> >>>>> "gm" == Gary Mills <mi...@cc.umanitoba.ca> writes:
> 
>     gm> destroys the oldest snapshots and creates new ones, both
>     gm> recursively.
> 
> I'd be curious if you try taking the same snapshots non-recursively
> instead, does the pause go away?  

I'm still collecting statistics, but that is one of the things I'd
like to try.

> Because recursive snapshots are special: they're supposed to
> atomically synchronize the cut-point across all the filesystems
> involved, AIUI.  I don't see that recursive destroys should be
> anything special though.
> 
>     gm> Is it destroying old snapshots or creating new ones that
>     gm> causes this dead time?
> 
> sortof seems like you should tell us this, not the other way
> around. :)  Seriously though, isn't that easy to test?  And I'm curious
> myself too.

Yes, that's another thing I'd like to try.  I'll just put a `sleep'
in the script between the two actions to see if the dead time moves
later in the day.

-- 
-Gary Mills-        -Unix Group-        -Computer and Network Services-
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