On Sunday 13 December 2009 13:50:42 James Bottomley wrote: > On Sun, 2009-12-13 at 12:58 +0200, Uprooter wrote: > > Hello James and thanks for trying to help. > > > > Unfortunately changing min_period didn't solve anything. > > # pwd > > /sys/class/spi_transport/target2:0:1 > > > > localhost target2:0:1 # echo 25 > min_period > > localhost target2:0:1 # echo 1 > revalidate > > I did it for both disks. > > #dmesg | tail -10 > > target2:0:0: Beginning Domain Validation > > target2:0:0: Domain Validation skipping write tests > > target2:0:0: Ending Domain Validation > > target2:0:0: Beginning Domain Validation > > target2:0:0: Domain Validation skipping write tests > > target2:0:0: Ending Domain Validation > > target2:0:1: Beginning Domain Validation > > target2:0:1: Domain Validation skipping write tests > > target2:0:1: Ending Domain Validation > > target2:0:1: Beginning Domain Validation > > target2:0:1: Domain Validation skipping write tests > > target2:0:1: Ending Domain Validation > > > > # cat min_period > > 25 > > # cat period > > 50 > > OK, so I'd suspect a cabling problem. 50ns is the minimum period for a > single ended bus. You have to move to LVD to get anything beyond. I'd > say something in your SCSI cable chain is keeping the bus SE. > > James > Well I opened the server. nothing much to play with everything is tied up and I don't think anything except maybe disks has been changed since this server was bought. Can It be related to disk jumper settings ? Anything else you can think of ? -- 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
