Desai, Kashyap <Kashyap.Desai@xxxxxxx> wrote: >Now coming to the real issue. >I am suspecting there may be IO errors with your drive coming very frequently. > >QUEUE FULL event is coming from Firmware whenever any change happens in >device queue depth. This will only happens in IO error path. (We can >think of flow control will kicked off when IO error occurs at firmware >level and they will inform Driver saying Queue full event). > >In other words, >If you replace with newer SAS drive, things may work fine even with 2.6.31. > >As you have mentioned that this SAS drive was previously used for >striping, there may be possibility of poor performance of your SAS >drive. Thanks for the explanation. Is there a safe way to obtain IO error data from the drives under Linux? Since they are configured for striping, the two drives appear as a single SCSI device /dev/sda The drives are both SEAGATE ST373454SS -- To unsubscribe from this list: 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