Folks,

I've got a database and tablespaces "managed by automatic storage".

I've deleted a lot of data from some tables. I've then reorged them. But
the tablespaces don't appear to shrink in size (they just have lots of free
space).

How can I get DB2 to give the space back ?

Being automatic storage I can't use an ALTER TABLESPACE ... RESIZE.

Thanks

Phil Nelson

Did u check the HIGH WATER MARK for these tablespace?
Did u try to do a OFFLINE REORG on all these tables?

If that didn't help try db2dart ..check in the manuals for /DHWM and
/LHWM

cheers..
Shashi Mannepalli


Philip Nelson wrote:
> Folks,
>
> I've got a database and tablespaces "managed by automatic storage".
>
> I've deleted a lot of data from some tables. I've then reorged them. But
> the tablespaces don't appear to shrink in size (they just have lots of free
> space).
>
> How can I get DB2 to give the space back ?
>
> Being automatic storage I can't use an ALTER TABLESPACE ... RESIZE.
>
> Thanks
>
> Phil Nelson

Shashi Mannepalli wrote:
> Did u check the HIGH WATER MARK for these tablespace?
> Did u try to do a OFFLINE REORG on all these tables?
>
> If that didn't help try db2dart ..check in the manuals for /DHWM and
> /LHWM
>
> cheers..
> Shashi Mannepalli
>
>
> Philip Nelson wrote:
>
>>Folks,
>>
>>I've got a database and tablespaces "managed by automatic storage".
>>
>>I've deleted a lot of data from some tables. I've then reorged them. But
>>the tablespaces don't appear to shrink in size (they just have lots of free
>>space).
>>
>>How can I get DB2 to give the space back ?
>>
>>Being automatic storage I can't use an ALTER TABLESPACE ... RESIZE.
>>
>>Thanks
>>
>>Phil Nelson
>
>

HWM was the first thing I thought of, but that isn't the problem.

It looks like automatic storage doesn't like shrinking tables, only
growing them.

Maybe I need to raise an "enhancement request" ?

Phil

Philip Nelson wrote:
> Maybe I need to raise an "enhancement request" ?
Please do.


--
Serge Rielau
DB2 Solutions Development
IBM Toronto Lab

IOD Conference
http://www.ibm.com/software/data/ond...ness/conf2006/

> I've deleted a lot of data from some tables. I've then reorged them. But
> the tablespaces don't appear to shrink in size (they just have lots of free
> space).
>
> How can I get DB2 to give the space back ?

Right now, the only way you can do this is to export the data,
drop/recreate the tablespace, and re-import the data.

jsoh