Chuck Swiger cswiger at
Thu Feb 9 12:43:00 PST 2006

Andrea Venturoli wrote:
> Hello.
> I'm building a new server and stumbled upon this:
>> ses0 at ahd0 bus 0 target 8 lun 0
>> ses0: <SDR GEM318P 1> Fixed Processor SCSI-2 device
>> ses0: 3.300MB/s transfers
>> ses0: SAF-TE Compliant Device
> I guess it has something to do with a SCSI hot-swap device, but I didn't
> find any info on it.
> What is it? What's its purpose? Can I do something nice with it?

"ses" stands for "SCSI Environmental Services", and seems to be a standard for
managing hot-plug enclosures, fault-tolerance, drive temperatures, and voltages,
etc.  See "man ses" and /usr/share/examples/ses.


More information about the freebsd-questions mailing list