Hi,

On Mon, Nov 24, 2008 at 05:33:22PM +1100, Anibal Monsalve Salazar wrote:
> On Mon, Oct 27, 2008 at 11:18:39AM +0100, Lars Marowsky-Bree wrote:
> >On 2008-10-27T13:31:41, Anibal Monsalve Salazar <[EMAIL PROTECTED]> wrote:
> >
> >>Please add the sgi-ipmi plugin
> >>
> >>The attached file is the sgi-ipmi plugin.
> >>
> >>It supports SGI x86_64 systems based on both Intel and Supermicro BMCs.
> >
> >Hi Anibal,
> >
> >thanks for this submission! Before merging it, one or two questions:
> >
> >First, we have an external/ipmi and a ipmilan fencing RA already; could
> >this not be folded into these? It seems extremly similar to the
> >external/ipmi one.
> 
> We plan to use ipmilan.
> 
> >># External STONITH module for ipmi.
> >># This STONITH module takes two arguments:
> >>#   $1 is the operation
> >>#   $2 is the node to operate on
> >># It takes a single environmental variable: nodelist
> >># which is a space separated list of node definitions
> >># Each Node definition consists of:
> >>#   nodename;userid;passwd;bmctype;ipaddr1[;ipaddrn]
> >># Where:
> >>#   nodename is the hostname of a node
> >>#   userid   is the userid to use on the IPMI device
> >>#   passwd   is the password to use on the IPMI device
> >>#   bmctype  is the bmctype of the IPMI device (intel or supermicro)
> >>#   ipaddr   is the IP address of the IPMI device
> >
> >I wonder if this is a good interface for configuration.
> >
> >Would it not be cleaner to have one such resource per "nodelist" entry,
> >so that these would indeed be separate parameters, which the user then
> >could configure as such using the GUI/CLI?
> 
> I'll start using ipmilan soon with the goal to raplace the sgi-ipmi
> plugin with it. I have two questions.
> 
> We have a minimum of two IPMI IP addresses per node. If one of them is
> not responding, we use the other one for the reset operation. But
> before the IMPI reset command, we ping the IPMI IP address. We do the
> ping because we want to know in less than 3 seconds if the IPMI IP
> address is responding to pings instead of waiting 50 seconds for an
> IPMI command timeout. I'm planning to add a ping function to
> ipmilan_command.c, is it a good idea?

Fine with me. But please have it as an option, sth like
monitor_with_ping which would default to false.

> How can I tell ipmilan that I have two two IPMI IP addresses per node?

No way. Unless somebody implements it :) Isn't it a bit of an
overkill to have two lights-out devices per node? If the device
doesn't work the next monitor operation would fail and the admin
should notice that.

Thanks,

Dejan

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