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

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. > 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 >