On Thu, May 8, 2008 at 10:33 AM, Prakash, Sathya <Sathya.Prakash@xxxxxxx> wrote: > The meaning of 1 message is some fram transmit error encountered by > hardware and the I/O request is aborted by firmware because of the > error, > The second message indicates, some I/O got timed out and the SML tries > to abort the request and the firmware completes the I/O before aborting > that. Hence returns IO executed message and the driver completes the > abort as success. > Suspecting some bad hardware in the topology(cables?) Hello Sathya, It took some time before I could have a closer look at the system on which I observed the strange kernel messages. Apparently the RAID controller (LSISAS3081E ?) is not connected directly to the 16 disks but via a SAS expander (Super Micro SC836 SAS Backplane with two LSI SASX28 Expander Chips -- http://www.supermicro.com/products/chassis/3U/836/SC836E2-R800.cfm). It will be a challenge to find out which component triggered the kernel messages and how to make the storage subsystem work perfectly. Any hint is welcome. Bart. -- 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
