On Sunday 29 July 2001 19:23, Bruce Marshall wrote:
All of the above tells me this is a hardware problem. How about termination?
The controller has internal termination, and from there a high quality LVD cable runs to the two drives. I am using the same active LVD/SE terminator after the drives that I used with only one drive. I have tried with and without termpower supply from the second drive.
What scsi controller are you using? (not that it should really matter)
The controller is an onboard dual-channel sym53c1010 using the driver sym53c8xx. The two Ultra160 channels are completely separated, so that one can run Ultra160 on one and have single-ended devices on the other. The drives that I use are IBM 36LZX 18.3 GB Ultra160. After the last installation I have ID7 on the controller, ID0 on the installed drive and ID2 on the drive that I cannot get attached. That way, the second drive should appear as /dev/sdb and the installed drive still be /dev/sda if I ever succeed in getting the second drive attached to a running system. Oh, and I have a DVD-ROM drive on the other bus. I have tried disconnecting that, but to no avail.
Does the controller show you the two drives (and their ID's) at boot up?
Yes, the drives are both visible from the controllers ROM configuration tool, and I can low-level format and verify both of them.
Assuming you can only use one drive, would either one of them have worked for your re-install? (that is, by themselves, they both work fine?)
Yes, the new installation has been made on the new drive and the old drive, which also worked, is now low-level formatted and unattached to the bus. Best regards, David List