-- On Thursday, August 03, 2006 11:50 AM, Scott Lowrey wrote: > > Problem: > Deteriorating disk write performance with large files. > > The problem *disappears* completely if RAID is disabled > or if the > array > is put into a degraded state by pulling the secondary > array drive. > The > problem *remains* if the primary array drive is pulled. > Is it possible for you to upgrade to the latest stable kernel on www.kernel.org, such as 2.6.17, or even 2.6.18-rc3. This issue would be solved. I believe one of your disks in your integrated volume is running asyn narrow, due to a bug in the driver. From 2.6.17 kernel, the mptspi driver is using the spi transport layer. Eric Moore LSI Logic - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html