On Fri, Mar 27, 2009 at 6:29 AM, Mark Post <[email protected]> wrote: > If you mean the disks in the storage array itself, then yes, because z/VM and > Linux can only start one I/O to a single device address at a time. (Unless > you're using PAV.) If your LVs are striped across multiple devices, then you > have the potential of starting multiple I/Os to multiple device addresses > concurrently.
But if the striping is not optimal, you have the potential of waiting on multiple devices ;-) Rob -- Rob van der Heij Velocity Software http://www.velocitysoftware.com/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
