Shared Disk issue - Oracle RAC Environment

Hi

I'm trying to set up an Oracle RAC Test Environment concerning Mr. Hunter's article (http://www.oracle.com/technology/pub/articles/hunter_rac_2.html). I use Linux RedHat Fedora C2 on both nodes (2 Compaq ML370) and a Maxtor OneTouch 200GB as external shared device. The drive is connected through Firewire to both nodes (LaCie Firewire PCI-Card). I also installed the precompiled RedHat Kernel provided by Oracle (kernel-2.4.21-15.ELorafw1.i686.rpm). But unfortunately I am not able to connect the drive from both nodes at the same time. One node works correctly. But the other one is not able to login into the drive. If After "modprobe ohci1394" and "modprobe sbp2 sbp2_exclusive_login=0" I executed "dmesg" and got following messages:

Node 1 (login ok):
Query logins to SBP-2 device successful
Maximum concurrent logins supported: 3
Number of active logins: 0
Logged into SBP-2 device
Node[01:1023]: Max speed [S400] - Max payload [2048]

Node 2 (login fails):
Query logins to SBP-2 device successful
Maximum concurrent logins supported: 3
Number of active logins: 1
Error logging into SBP-2 device - login failed

If I run the "rescan-scsi-bus.sh" script, Node 1 shows the Maxtor device under "OLD", Node 2 shows only "0 devices found".

Does anybody know this problem or had similar issues? Does anybody use a Maxtor OneTouch as shared device successfully? Because Oracle recommends to use this disk and because this disk has got an "Oxford 911" Chipset, I assume that the drive allows multiple logins!? Or am I assuming wrong?

Please give me a hint. I don't know any more what I can do...

Thank you very much
Regards
Franc Received on Tue Nov 09 2004 - 08:38:12 CST