Green vs. black lines in Topology? (Re: [aperi-dev] Discovering virtual

["Robert Wipfel" <rawipfel@xxxxxxxxxx>]

Hi,

It seems the Topology Viewer uses Green lines between host and
switch ports, to represent a current/live connections, and black lines
to represent other (previous?) connections. 

What is the intended purpose of this visualization, and is there a
way to configure this behavior?

Thanks,
Robert



>>> On 9/13/2008 at  9:19 AM, in message
<48CB85A5020000CF00051A7A@xxxxxxxxxxxxxxxxxxxxxxx>, "Robert Wipfel"
<rawipfel@xxxxxxxxxx> wrote: 
> Hi,
> 
> Just thought we'd share; a development SAN is running VMs with
> virtual N_Port_IDs, and it seems Aperi was able to discover the virtual
> WWNN and WWPN [1] and map to the VM hosts that had them
> (dynamically) bound, via SNMP from the Fibre Channel switch; relative
> to discovery on VM hosts (running the Aperi agent) with SAN HBAs.
> No code changes required to shipping 0.4 Aperi codebase (which also
> supports running the Aperi agent inside a Xen- based VM).
> 
> Thanks,
> Robert
> 
> [1] http://en.wikipedia.org/wiki/World_Wide_Name 
> 
> P.S. 
> 
> Example WWWN:WWPN for VM 1:
>   C0001B0000000001:C0001B1000000001
> 
> Emulex driver implementation (SLES10 SP2):
>   /etc/modprobe.conf.local
>   options lpfc lpfc_enable_npiv=1
> 
> To bind a virtual port:
>   (See also /etc/xen/scripts/block- npiv)
>   echo $wwpn:$wwnn > /sys/class/scsi_host/$host/vport_create
> 
> E.g. for VM 1
>   echo "C0001B1000000001:C0001B0000000001" > 
> /sys/class/scsi_host/host1/vport_create
> 
> 
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