RE: pumping storage using DST

[Don <dr2@xxxxxxxxxxxx>]

Jim/Sue,

how about posting a synposis of your findings.  There's several of us
following this that would be interested in what the final conclusions are.

tks

Don in DC

------

On Wed, 24 Jul 2002, Jim Damato wrote:

> Hello Sue.
>
> Any advice you could offer would be greatly appreciated.
>
> -Jim
>
> James P. Damato
> Manager - Technical Administration
> Dollar General Corporation
> (615) 855-4375
> <mailto:jdamato@dollargeneral.com>
>
>
> -----Original Message-----
> From: Sue Baker [mailto:smbaker@us.ibm.com]
> Sent: Wednesday, July 24, 2002 2:36 PM
> To: Jim Damato
> Subject: Re: pumping storage using DST
>
>
>
> Jim, there are a few things that may be of assistance to you.
> Some of your comments later in the thread make me wonder if they
> might be helpful or not.  Please reply with a phone number so we
> can chat about it.
>
> Sue Baker
> iSeries Advanced Technical Support
> Rochester, MN
>
> On 23 Jul 2002, you wrote in gmane.comp.hardware.ibm.midrange:
>
> > As mentioned in the RCLSTG thread, we'll be adding towers of
> > "new" (slightly less obsolete) disk technology to an ASP and
> > retiring the original disks by removing them from the ASP and
> > letting the system pump the data to the new disks.
> >
> > We're talking about around 800 GB on 116 existing disks -
> > RAID5 configured 8 GB 6713's.  We'll be adding three 5065
> > cabinets with 135 disk - 17.5 GB 4318's.  The system is the
> > aforementioned 740 12-way brontosaurus with the older CPU's.
> >
> > Has anyone undertaken a move of this magnitude?  I have no
> > idea how long the DST will take to move the data.  I wouldn't
> > be surprised if it took seven hours or seven days.  If anyone
> > has any similar experiences that I could scale up or down to
> > use as a basis it would be very helpful.  No one locally among
> > the CE's and BP's had anything to offer, and the support
> > center wouldn't go out on a limb.
> >
> > At the moment we're planning to take on 16 or 24 of the disk
> > in one shot and try to use it to extrapolate for the rest.  If
> > it doesn't look like we can finish in our weekend processing
> > time frame we may have to do it in chunks over the next few
> > weekends.
> >
> > Much thanks...
>
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