[Pacemaker] IPMI

[jiaju liu]

Hi,

25.05.2011 03:49, jiaju liu wrote:
> 
>     > > Hi,
>     > >
>     > > On Tue, May 24, 2011 at 03:31:01PM +0800, jiaju liu wrote:
>     > >>
>     > >> HI all I use ipmi as stonith resource. the interface I use
>     lanplus first, however, it doesn't work. I check log,it shows nodea
>     external/ipmi[3433]: ERROR: error executing
>     > >> ipmitool: Error: Unable to establish IPMI v2 / RMCP+ session^M
>     Unable to
>     > >> get Chassis Power Status
>     > >>
>     > >> so I change interface to open, so ipmi works, will it influence
>     stonith resource work?
>     > >
>     > > If ipmitool works then the stonith resource will work too. Best
>     > > to check documentation for your fencing device and its IPMI
>     > > implementation.
>     > 
> 
>     > 'open' IPMI interface is a local interface. Usually it is able to
>     > interact only with a local BMC, thus it is only possible to fence
>     a node
>     > on which fencing agent runs. Probably this is not what is wanted.
> 
>     Thank you for your reply I have already find it fence the node which
>     IPMI implementation when I use open interface. The lanplus interface
>     works unstable, sometimes the node could not get  power status by
>     lanplus, I should reboot BMC,

>Do you have your BMC connected to a big ethernet segment?
>They a quite limited in what concerns ARP table size.
>So, I always prefer to have separate segments or vlans for them.
>I had same problems with Tyan's BMC, and moving it to internal vlan did
>a trick.
I will try,Thank you

> 
> 
>     >Oh, good to know. That's definitely not useful for fencing. BTW,
>     >I think this is the first time I hear somebody reports lanplus
>     >not working. What kind of device is this?
> 
>     super micro BMC

I use both standalone SIMSO+ and integrated lantronix-based ones with
success.

Vladislav



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