>The point people are trying to make to you is that the differences between >RAID controllers can be as big as that between RAID architectures in cases >like yours. Which controller you're using and how the cache is setup can >have a larger impact on INSERT performance than how many/what type of >disks are involved. If you've comparing a fast SAS controller to a slow >SATA2 one, than the SAS setup may very well run faster no matter how many >disks the SATA2 one has. Conversely, it's not unheard of to have a SAS >controller with such miserable operating system drivers that there is no >performance advantage to using faster SCSI disks instead of SATA2.
>You're not going to get a particularly useful answer here without giving >some specifics about the two disk controllers you're comparing, how much >cache they have, and whether they include a battery backup. Exactly, thats the point. ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
