[Nut-upsuser] Multi UPS on Debian

[Márk Csaba]

Hello,

i have a server which supposed to control three Eaton UPS connected by USB cables. Each UPS is Eaton NV 2000H. (eaton_1, eaton_2, eaton_3)
The connection is fine with each UPS, if it is configured alone. 
If i configure two or all three, the connections broke up.

After nut started, tried to start upsdrv manually (eaton_1. 
The log:

Apr  4 00:43:46 mail blazer_usb[10799]: Startup successful
Apr  4 00:43:47 mail upsd[10752]: Connected to UPS [eaton_2]: blazer_usb-eaton_2
Apr  4 00:43:50 mail upsmon[10760]: Communications with UPS eaton_2 at localhost established
Apr  4 00:43:50 mail upsmon[10760]: Poll UPS [eaton_3 at localhost] failed - Driver not connected
Apr  4 00:43:55 mail upsmon[10760]: Poll UPS [eaton_3 at localhost] failed - Driver not connected
Apr  4 00:43:56 mail blazer_usb[10799]: Got disconnected by another driver: Device or resource busy
Apr  4 00:43:56 mail kernel: [83482.924512] usb 4-2: usbfs: process 10799 (blazer_usb) did not claim interface 0 before use
Apr  4 00:44:00 mail blazer_usb[10804]: Startup successful
Apr  4 00:44:00 mail upsd[10752]: Connected to UPS [eaton_3]: blazer_usb-eaton_3
Apr  4 00:44:00 mail upsmon[10760]: Poll UPS [eaton_2 at localhost] failed - Driver not connected
Apr  4 00:44:00 mail upsmon[10760]: Communications with UPS eaton_2 at localhost lost
Apr  4 00:44:00 mail upsmon[10760]: Communications with UPS eaton_3 at localhost established
Apr  4 00:44:05 mail upsmon[10760]: Poll UPS [eaton_2 at localhost] failed - Driver not connected
Apr  4 00:44:10 mail blazer_usb[10804]: Got disconnected by another driver: Device or resource busy
Apr  4 00:44:10 mail kernel: [83496.177686] usb 4-2: usbfs: process 10804 (blazer_usb) did not claim interface 0 before use

ups.conf:
maxstartdelay = 70
norating
novendor
subdriver = cypress

[eaton_1]
       driver = blazer_usb
        port   = "002"
        desc   = "Eaton NV 2000H"
        vendorid = 0665
        productid = 5161
        bus    = "003"

[eaton_2]
        driver = blazer_usb
        port   = "002"
        desc   = "Eaton NV 2000H"
        vendorid = 0665
        productid = 5161
        bus    = "004"

[eaton_3]
        driver = blazer_usb
        port   = "003"
        desc   = "Eaton NV 2000H"
        vendorid = 0665
        productid = 5161
        bus    = "004"

upsmon.conf contains the appropriate MONITOR lines.

lsusb:
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 003: ID 0665:5161 Cypress Semiconductor USB to Serial
Bus 004 Device 002: ID 0665:5161 Cypress Semiconductor USB to Serial
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 0665:5161 Cypress Semiconductor USB to Serial
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

The log with all UPS’s configured:
Apr  4 00:52:51 mail blazer_usb[11305]: Startup successful
Apr  4 00:52:55 mail blazer_usb[11307]: Startup successful
Apr  4 00:52:55 mail blazer_usb[11307]: Communications with UPS lost: status read failed!
Apr  4 00:52:57 mail blazer_usb[11307]: Got disconnected by another driver: Device or resource busy
Apr  4 00:52:57 mail kernel: [84023.476349] usb 4-2: usbfs: process 11307 (blazer_usb) did not claim interface 0 before use
Apr  4 00:53:06 mail upsd[11314]: listening on 192.168.x.y port 3493
Apr  4 00:53:06 mail upsd[11314]: listening on 192.168.xy.yx port 3493
Apr  4 00:53:06 mail upsd[11314]: listening on 127.0.0.1 port 3493
Apr  4 00:53:06 mail upsd[11314]: Connected to UPS [eaton_1]: blazer_usb-eaton_1
Apr  4 00:53:06 mail upsd[11314]: Can't connect to UPS [eaton_2] (blazer_usb-eaton_2): No such file or directory
Apr  4 00:53:06 mail upsd[11314]: Can't connect to UPS [eaton_3] (blazer_usb-eaton_3): No such file or directory
Apr  4 00:53:06 mail upsd[11315]: Startup successful
Apr  4 00:53:06 mail upsmon[11317]: Startup successful
Apr  4 00:53:06 mail upsd[11315]: User admin at 127.0.0.1 logged into UPS [eaton_1]
Apr  4 00:53:06 mail upsd[11315]: User admin at 127.0.0.1 logged into UPS [eaton_2]
Apr  4 00:53:06 mail upsmon[11319]: Poll UPS [eaton_2 at localhost] failed - Driver not connected
Apr  4 00:53:06 mail upsmon[11319]: Communications with UPS eaton_2 at localhost lost
Apr  4 00:53:06 mail upsd[11315]: User admin at 127.0.0.1 logged into UPS [eaton_3]
Apr  4 00:53:06 mail upsmon[11319]: Poll UPS [eaton_3 at localhost] failed - Driver not connected
Apr  4 00:53:06 mail upsmon[11319]: Communications with UPS eaton_3 at localhost lost
Apr  4 00:53:11 mail upsd[11315]: mainloop: Interrupted system call
Apr  4 00:53:11 mail upsd[11315]: Signal 15: exiting
Apr  4 00:53:11 mail upsmon[11319]: Signal 15: exiting
Apr  4 00:53:11 mail upsmon[11317]: upsmon parent: read
Apr  4 00:53:13 mail blazer_usb[11305]: Signal 15: exiting

Maybe i’ve miss something, but i can’t figure it out. Could someone point me to the right way?

Thanks in advance,
Csaba
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