Hi Roger,

In July or August I posted a checklist, and Stan Sieler added to it, on how
to
do this.  This same checklist (with Stan's additions) was published in the
September issue of InterExpress.  If you can't find either, let me know and I
will try to dig them out.

On a related issue, you need to consider the performance penalty you will
incur
when you do this.  Generally, reducing the number of spindles will reduce your
throughput.  Also, in spite of protestations to the contrary, EMC disk
subsystems
do *not* measurably outperform JBOD (Just a Bunch Of Disk).  Also, the
cache used
in EMC doesn't measurably improve MPE performance.  This is mainly because MPE
does such a great job of prefetching.

Those things being said, if you select EMC, you need to do it for the right
reasons.
These reasons are:  footprint, high availability and heterogeneity.

Just a word of caution...

Bill Lancaster

At 12:48 PM 11/14/97 -0600, ROGER SMITH wrote:
>A couple of weeks ago we lost a day of production because of a disc
>drive failure (first time in 10 years). Today all 10 drives are part of
>the system volume group.  I know we should have created a private volume
>earlier, but it is easier to add 1 or 2 new drives every 6 months.
>
>We have an EMC box available that we can connect to the HP3000 969/400.
>We have four 4G internal drives that we will retain and configure part
>or all of these as the system volume group. The drives on the EMC box
>will be configured as a private volume group.  I can handle everything
>that is going back to the system volume group.  What is the best way to
>move accounts from one volume group to another?  For example, what will
>I have to do to move the accounts PROD and TEST from the system volume
>to the data volume group?  Can this be done without having to recreate
>everything manually?
>
>TIA
>Roger "I should be fishing" Smith               [log in to unmask]
>ADTRAN, Inc.
>
>