RE: LPAR - DASD 720 - 820 - Moving Data

["Andy Nolen-Parkhouse" <aparkhouse@xxxxxxxxxxxx>]

Jeffrey,

Mileage may vary because moving data within DST occurs in parallel and
the time to move two drives is less than twice the time for one drive.
If you allocate a few hours in your plan you would be safe and it would
probably take less.

Regards,
Andy Nolen-Parkhouse

> On Behalf Of Jeffry Kennedy
> Subject: Re: LPAR - DASD 720 - 820 - Moving Data
>
> Thanks for the input. Do you have any idea it would take using the DST
> (assumming about 40% full) ?
>
> Andy Nolen-Parkhouse wrote:
>
> > Jeffrey,
> >
> > If I understand your question correctly, you are planning on an
upgrade
> > from a 720 to an 820, maintaining two RAID controllers and fifteen 4
GB
> > drives on the 720 chassis as a migration tower.
> >
> > Once the 820 is up and running, you would use the dedicated service
> > tools (DST) to pump the data from the 4 GB drives to the 8 GB
drives,
> > and then logically remove the drives from the configuration.  That
would
> > then make them available for assignment to a partition.  (This is
overly
> > simplified but true in spirit.)  Check the Backup and Recovery
manual
> > for specific details on using DST to move data.
> >
> > Alternatively, once the system is running on the 820, you could
perform
> > two complete saves, partition the box, and restore the save to your
8 GB
> > drives.
> >
> > Regards,
> > Andy Nolen-Parkhouse
> >