Re: [pcp] fibre adapter counters in pcp?

[Robert verkerk <robert.verkerk@xxxxxxx>]

Hi,

We are happy to assist to get these parameters in pcp again.

Granting you access to the systems is problematic. The systems where we 
have pcp installed are our production systems.
greetings,

Robert Verkerk



On 04/18/2012 02:22 AM, Mark Goodwin wrote:
> On 04/17/2012 05:50 PM, Robert verkerk wrote:
> > Hi,
> >
> > We are using pcp 3.5.5.-1 on SLESS11 SP1. Are there parameters in pcp 
> > with which
> > I can see the transmits and receives on our scsi fibre channels? Or 
> > are there
> > ways to get this info?
> There are two ways to monitor FC stats, neither of which is currently
> supported in PCP out-of-the-box. (a) each HBA in the system has an
> entry below /sys/class/scsi_host and for most HBA vendors, there
> are per-channel packet counters such as transmit, receive and various
> error counters. These are mostly vendor specific and different vendors
> support different counters related to their hardware (especially
> the error statistics). Or, (b) collect these stats on the switch/port
> side, and import into PCP.
>
> A proprietary PCP PMDA was developed for (b) but AFAIK it was
> never released as open-source .. and it only supported Brocade
> switches.
>
> > We have for instance a node with 4 fibre interfaces. 2 interfaces are 
> > used for
> > disk access, 2 interfaces are used for tape access. We want to see 
> > how much data
> > is transported over each interface.
> We could create a new PMDA to do (a) without too much trouble,
> or we could extend the Linux PMDA to support host side FC stats.
> Would you be willing to collaborate on the development work to
> get this implemented?
>
> Cheers
> -- Mark