Thanks, Hal.
Below is the output to ibstat and ibstatus. It shows that the rate is
2.5 Gb/sec, rather than 10 Gb/sec.
Is there a way to get it to renegotiate the rate, short of rebooting?
[EMAIL PROTECTED] lib64]# ibstat
CA 'mthca0'
CA type: MT25204
Number of ports: 1
Firmware version: 1.2.936
Hardware version: a0
Node GUID: 0x0002c9020026e4c0
System image GUID: 0x0002c9020026e4c3
Port 1:
State: Active
Physical state: LinkUp
Rate: 2
Base lid: 19
LMC: 0
SM lid: 1
Capability mask: 0x02510a68
Port GUID: 0x0002c9020026e4c1
[EMAIL PROTECTED] lib64]# ibstatus
Infiniband device 'mthca0' port 1 status:
default gid: fe80:0000:0000:0000:0002:c902:0026:e4c1
base lid: 0x13
sm lid: 0x1
state: 4: ACTIVE
phys state: 5: LinkUp
rate: 2.5 Gb/sec (1X)
> It's likely a rate issue where the negotiated port rate is not the
> broadcast group rate.
> What does ibstat or ibstatus show when the join fails ? Also, what
> about saquery -g ?
> >
> > Rebooting the node that failed to join the group always seems to
solve
> > the problem.
> Yes, that's consistent with the negotiated rate being a problem.
> -- Hal
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