RE: Where to put logs in a RAUD 1+0 system

Maybe I'm a little off track here, but how about placing them on the server's internal disks ? Just a thought ....... didn't follow the entire thread ... -----Original Message----- From: owner-informix-list@iiug.org [mailto:owner-informix-list@iiug.org] On Behalf Of DNix Sent: Monday, April 19, 2004 3:31 PM To: informix-list@iiug.org Subject: Re: Where to put logs in a RAUD 1+0 system "Art S. Kagel" <kagel@bloomberg.net> wrote in message news:<pan.2004.04.02.08.20.02.153746.1445@bloomberg.net>... > On Thu, 01 Apr 2004 03:57:48 -0500, Andy Kent wrote: > > I mostly agree with Andy, put everything on the single RAID10 array. If the > server were to be heavily loaded with update activity then perhaps you could > make a case for reserving one pair of drives for a mirror (RAID1) to contain > just the ROOTDB and LOGSDB. But if the load will not be high, I would not > bother. > > Art S. Kagel > > PS: Remember to stripe the 5 mirrored pairs not the other way around. Hi Art, You lost me here, what exactly did you mean by "PS: Remember to stripe the 5 mirrored pairs not the other way around."? > > > I'm about to configure a brand new, fast RAID 1+0-based system which will > > use logged sbspaces. Conventional (JABOD-based) wisdom tells me to put the > > logs on a separate device to the busy storage spaces. But, on a 5-disk > > array, does this idea justify holding back one disk for the logs and just > > configuring RAID 1+0 on the other four? Is it worth it or is the idea simply > > too messy? The system will be quite lightly loaded but the sbspaces could > > make up the bulk of the activity and could actually be written more than > > read. > > > > If we went for just sticking the whole lot in a single array, is there any > > point in putting teh logs outside rootdbs? > > > > Many thanks, > > > > > > Andy Kent > > Bristol, UK > > ________________________________ << ella for Spam Control >> has removed 325 Spam messages and set aside 270 Newsletters for me You can use it too - and it's FREE! www.ellaforspam.com sending to informix-list