Go to http://www.scaleabilities.co.uk/component/option,com_remository/Itemid,53/func,fileinfo/id,4/ for James' Sane San paper On Thu, 2007-02-01 at 21:52 +0100, amonte wrote: > I wonder, is Mete Device a SAME configuration? Sure it is deadly easy > to configure and maintain but then we are suffering performance > problems. The EMC box is used by over 10 databases, from OLTP to DWH > and some of them Hybrid configuration. So the chance that a disk is > used by all 10 databases is quite easy. Wont the disk head go crazy > when 10 databases is asking for data in several sectors in the same > disk? May the chance of that is quite small however I would not be > surprised that a disk is being used by 3, 4 databases concurrently. === If you think education is expensive, try ignorance. (Derek Bok) === DBA!ert, Independent Oracle consultancy Kastanjelaan 61C 2743 BX Waddinxveen The Netherlands tel. +31 (0) 182 64 04 28 fax +31 (0) 182 64 04 29 e-mail careljan@xxxxxxxxxx