I'd like to add something to this question.   Anyone know what happens
if you loose all copies of a single databse volume?

Thanks,

Hilary Whitehead
IBM Global Services

> -----Original Message-----
> From: Brown, Ed [SMTP:EXBrown AT SNOPUD DOT COM]
> Sent: Monday, July 27, 1998 2:55 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      database volumes
>
>         In our current configuration we have a single large Logical
> Volume spread over 10x4.5GB SSA drives. We have 8x500MB database
> volumes
> for our ADSM database. We are upgrading ADSM and moving to a new
> server.
> We have 8x9.1GB SSA drives. We have decided to create a logical volume
> on each disk so that we can easily manage the location of our storage
> volumes in relation to the physical disks.
>
>         My question is this....
>
>          If I have 6x1GB database volumes, would it be more prudent to
> (1) Dedicate 2 physical drives to DBvolumes and place all six of the
> DBvolumes on a single drive.  Then use ADSM to mirror them on a
> different drive? Or (2) should I spread DBvolumes around onto all of
> the
> drives in the Volume Group?
>
>         Basically, what is the trade off  by spreading the DBvolumes
> around on all of the disks, rather then containing them on 2 disks,
> one
> for the DB and one for the mirror.
>
>
>
> Ed Brown