James Bottomley <James.Bottomley@xxxxxxxxxxxx> wrote: > On Fri, 2006-05-12 at 11:34 -0300, Gabriel Gomiz wrote: > > I'm attaching dmesg output. I'm sorry I forgot to attach it in the > > last > > email. The I/O errors occur when the devices are being detected and > > whenever I try to access them. For example to do 'fsidk -l /dev/sdc'. > > Well, what I was hoping for was mode sense messages but, unfortunately, > there aren't any. My suspicion is that the 6285 is dual controller > running in RDAC mode and you're attached to the inactive controller (in > that configuration it allowed INQUIRY and MODE SENSE through but errors > out on all other I/O operations). I think you can verify by physically > removing one of the controllers and rebooting the array (or just attach > the SCSI cable to the other controller) I would agree with your suspicion as the error signature is similar to ones I receive using some FC based storage in RDAC mode. This problem is showing up more as we have more storage support move from other multipath solutions implemented in the mid-layer to using device mapper. -andmike -- Michael Anderson andmike@xxxxxxxxxx - : 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
