On Thu, Jul 28, 2005 at 04:15:31PM -0700, Mark Wong wrote: > On Thu, 28 Jul 2005 17:17:25 -0500 > "Jim C. Nasby" <[EMAIL PROTECTED]> wrote: > > > On Wed, Jul 27, 2005 at 07:32:34PM -0700, Josh Berkus wrote: > > > > This 4-way has 8GB of memory and four Adaptec 2200s controllers attached > > > > to 80 spindles (eight 10-disk arrays). For those familiar with the > > > > schema, here is a visual of the disk layout: > > > > > > > > http://www.osdl.org/projects/dbt2dev/results/dev4-015/layout-6.html > > > > Have you by-chance tried it with the logs and data just going to > > seperate RAID10s? I'm wondering if a large RAID10 would do a better job > > of spreading the load than segmenting things to specific drives. > > No, haven't tried that. That would reduce my number of spindles as I > scale up. ;) I have the disks attached as JBODs and use LVM2 to stripe > the disks together.
I'm confused... why would it reduce the number of spindles? Is everything just striped right now? You could always s/RAID10/RAID0/. -- Jim C. Nasby, Database Consultant [EMAIL PROTECTED] Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?" ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings