Re: Clarification on --initial

On 14 Aug 2007, at 08:55, Sebastien LELIEVRE wrote:

> Jon Stephens a écrit :
>> Wilersh wrote:
>>> Thanks for the quick and helpful reply Geert. Just one more
>>> point. Is
>>> it the expected behavior that if I do a full shutdown of my cluster,
>>> then restart the nodes with --initial that all my tables and data
>>> are
>>> gone?
>>
>> Yes, that's *exactly* what initial does - it clears the cluster
>> filesystem on the data node(s).
>>
>> And my understanding is that you *do* need to use it the very
>> first time
>> you start up a new cluster.
>>
>
> OR when you bring a brand new data node (as a replacement for a
> crashed
> one for instance) in the cluster

You don't have to use --initial for that either. If the data is not there,
it will either resync from it's partner or make a new empty filesystem automatically.
The '--initial' option is not needed.

I never use it again, except when I want all data gone when testing, because I'm to lazy to delete/move the filesystems myself. This option is way to misleading and dangerous..

Geert

-- 
Geert Vanderkelen, Senior Support Engineer
MySQL GmbH, Germany, www.mysql.com





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