Re: SCSI scanning behavior

2015-08-26 Thread Hannes Reinecke
On 08/21/2015 12:11 AM, Brian King wrote: In one of our SAN test labs where there is some storage controller error injection going on, I'm seeing some interesting behavior. We are getting into a scenario, when the target is coming back where we are going through SCSI scan for it and the

Re: SCSI scanning behavior

2015-08-26 Thread Bart Van Assche
On 08/26/15 06:02, Hannes Reinecke wrote: On 08/21/2015 12:11 AM, Brian King wrote: However, I'm still left wondering why we are adding PQ=1, PDT=0 devices in the sequential LUN scan at all. Are there media changer devices out there that we've seen respond like this? Even so, does it make

SCSI scanning behavior

2015-08-20 Thread Brian King
In one of our SAN test labs where there is some storage controller error injection going on, I'm seeing some interesting behavior. We are getting into a scenario, when the target is coming back where we are going through SCSI scan for it and the Report LUNs we are issuing to it times out, so we