[Beowulf] Timeout on eth0 when booting disk less
samuel at unimelb.edu.au
Sun Mar 12 19:11:34 PDT 2017
On 12/03/17 22:19, John Hanks wrote:
> Do you have "spanning-tree portfast" enabled on your switch ports? The
> syntax will depend on switch vendor, but the principal is the same. When
> the nic comes up there can be a significant delay while STP decides
> whether to pass packets or not, which can wreak havoc on things that
> expect the network to Just Work(tm). portfast tells the switch to assume
> a client, not another switch is on the port.
+1 for this, this feature should be enabled on all switch ports that go
straight to compute nodes where STP is not required.
Christopher Samuel Senior Systems Administrator
Melbourne Bioinformatics - The University of Melbourne
Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
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