topic Fibre channel performance monitoring - API in Operating System - OpenVMS

Fibre channel performance monitoring - API

Petr Havel — Wed, 06 May 2009 06:31:32 GMT

Hello,
for monitoring performance of disks attached via fibre channel (SAN) there is SDA command FC PERFORMANCE.
We'd like to access the same performance data from within an application, possibly via QIO calls. Is there any reference for the FC controller API?

Re: Fibre channel performance monitoring - API

Volker Halle — Wed, 06 May 2009 07:18:16 GMT

Petr,

welcome to the OpenVMS ITRC forum.

I doubt, that there is a published interface to collect the FC performance data.

Note that T4 includes T4$FC_MONITOR_*.EXE, which will collect this kind of data when running the HP T4 tool.

You would have to directly ask HP about this.

Volker.

Re: Fibre channel performance monitoring - API

Jur van der Burg — Wed, 06 May 2009 07:28:49 GMT

There's no public api. It's all undocumented, so if you would use it it may break in the future. If you want the gory details and have vms listings you may want to look at [scsi]fc$sda.lis to see how it's done.

Jur (former VMS scsi maintainer).