Re: apcupsd

[Erik Mouw <erik@harddisk-recovery.com>]

On Mon, Sep 04, 2006 at 07:02:51AM +0200, Francesco Pietra wrote:
> While in a few minutes I got working a Chinese serial-connection UPS, I am 
> experiencing diffulties with APC via USB as STANDALONE (kernel 2.6.15-1).

So what is it? An APC UPS, or some kind of Chinese brand?

> With ref to Sibbald manual, for APC CS 500 as an example (while I have to 
> configure also RS 1500), and with my aim of simply having done at 
> poweroff/battery low:
> 
> #Ctrl C (to kill mpqc231 computation; there is no X system)
> # shutdown -h now (to close Debian)
> 
> Device and driver are detected:
> $cat /proc/bus/usb/devices
> T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 3
> B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 2.06
> S:  Manufacturer=Linux 2.6.15-1-k7 ohci_hcd
> S:  Product=OHCI Host Controller
> S:  SerialNumber=0000:00:02.2
> C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms

That's only the USB host controller.
 
> Correct driver is loaded
> $ ls -l /sys/bus/usb/drivers/
> total 0
> drwxr-xr-x 2 root root 0 Sep  4 05:48 hiddev
> drwxr-xr-x 2 root root 0 Sep  4 05:48 hub
> drwxr-xr-x 2 root root 0 Sep  4 05:48 usb
> drwxr-xr-x 2 root root 0 Sep  4 05:48 usbfs
> drwxr-xr-x 2 root root 0 Sep  4 05:48 usbhid
> drwxr-xr-x 2 root root 0 Sep  4 05:48 usblp
> 
> Device nodes are shown as follows (I am in DOUBT if it is correct for the 
> expected hidddevN):
> $ /dev/usb
> hidddev0

I'm not sure what kind of device a USB UPS should use.

> As to the confuguration, my DOUBT is whether everything related to NET should 
> be commented out. Below the configuration:

I doubt apcupsd drives anything other than APC UPSes. APC UPSes are
nice in that they are "smart": they have a interface that tells more
than "the power is down".

If you have a non-APC UPS, use nut instead.


Erik

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