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ielgho's avatar
ielgho
Icon for Nimbostratus rankNimbostratus
Jun 30, 2022

SMB Health Monitor failed "can't load /etc/samba/smb.conf"

Hello Community, Working with a BIG-IP 16.1.2 I am trying to configure a SMB health monitor based on the  SMB parent with an user (Domain/login) and a password  but it did't work  The standard ic...
security
JRahm's avatar
JRahm
Icon for Admin rankAdmin
Jun 30, 2022

Try enabling the debug on that monitor and review the logs for anything obvious. I don't have an smb environment to test currently, but this thread might be helpful, you could try configuring that samba config file and testing from CLI to make sure all is well from BIG-IP before addressing the monitor itself.

  • ielgho's avatar
    ielgho
    Icon for Nimbostratus rankNimbostratus
    Jul 01, 2022

    Hello JRahm 
    Thank you for your return.
    I already activated the debug on the monitor and tested a "smbclient"  on the server, in both case, i got the error in the attached screen.

    • Kupauw's avatar
      Kupauw
      Icon for Nimbostratus rankNimbostratus
      Aug 03, 2022

      I'm getting the exact same error after configuring a simple SMB monitor. We are running version 14.1.2.1.
      A snippit of my logs. (replaced real IP/Hostname with defaul values)

      ********** Debugging session beginning at: Wed Aug  3 11:26:35 2022

Arguments 1-4:
::ffff:10.x.x.x
445
log
/var/log/monitors/AG-2_hm_hostname.domain.com-AG-2_hostname.domain.com-445.log

Environment variables:
GET=
MON_INST_LOG_NAME=/var/log/monitors/AG-2_hm_hostname.domain.com-AG-2_hostname.domain.com-445.log
MON_TMPL_NAME=/AG-2/hm_hostname.domain.com
NODE_IP=::ffff:10.x.x.x
NODE_PORT=445
PASSWORD=<sensitive data redacted>
SERVER=hostname
SERVICE=
USERNAME=
--
/usr/bin/smbclient -N -L hostname -p 445
Listing services on hostname
WARNING: Ignoring invalid value 'cups' for parameter 'printing'
/usr/bin/smbclient: Can't load /etc/samba/smb.conf - run testparm to debug it
Recvd: 'protocol negotiation failed: NT_STATUS_CONNECTION_RESET
'
[1][14210] 2022-08-03 11:26:36.944599: ID 980   :(adjust_deadline): from [1659518796.448626][2022-08-03 11:26:36] to [1659518806.944568][2022-08-03 11:26:46] [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=13 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518805.651335][2022-08-03 11:26:45] last_ping=[1659518795.681333][2022-08-03 11:26:35] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=6 rcv_cnt=0 ]
[1][14210] 2022-08-03 11:26:36.944654: ID 980   :(_analyze_pings): visit DOWN, now=[1659518796.944568][2022-08-03 11:26:36] [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=13 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518805.651335][2022-08-03 11:26:45] last_ping=[1659518795.681333][2022-08-03 11:26:35] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=6 rcv_cnt=0 ]
read error on pipe: Interrupted system call
Failed to connect...
[1][14210] 2022-08-03 11:26:40.774046: ID 980   :(_main_loop): Service ready for read, now=[1659518800.772911][2022-08-03 11:26:40] [ addr=::ffff:10.x.x.x:445 srcaddr=::%0:0 fd=13 pend=0 #conn=0 ]
[1][14210] 2022-08-03 11:26:40.774817: ID 980   :(_recv_external_node_ping): reading [ addr=::ffff:10.x.x.x:445 ]
[1][14210] 2022-08-03 11:26:40.774841: ID 980   :(recv_external_node_ping): EAV failed [ addr=::ffff:10.x.x.x:445 ]
[1][14210] 2022-08-03 11:26:40.774857: ID 980   :(_kill_external_pinger): killing pid=751 [ addr=::ffff:10.x.x.x:445 fd=13 ]
[1][14210] 2022-08-03 11:26:40.774882: ID 980   :(_kill_external_pinger): kill returned -1 [ errno=3 ], kill-pg returned -1 [ errno=3 ]
[1][14210] 2022-08-03 11:26:40.774905: ID 980   :(shutdown_service) Closing logging file /var/log/monitors/AG-2_hm_hostname.domain.com-AG-2_hostname.domain.com-445.log
[1][14210] 2022-08-03 11:26:45.681147: ID 980   :(_do_ping): time to ping, now=[1659518805.680647][2022-08-03 11:26:45], status=DOWN [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=-1 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518805.651335][2022-08-03 11:26:45] last_ping=[1659518795.681333][2022-08-03 11:26:35] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=6 rcv_cnt=0 ]
[1][14210] 2022-08-03 11:26:45.681217: ID 980   :(_spawn_external_pinger): /usr/share/monitors/SMB_monitor [ addr=::ffff:10.x.x.x:445 ]
[1][14210] 2022-08-03 11:26:45.681819: ID 980   :(_spawn_external_pinger): spawned EAV pid=805 [ addr=::ffff:10.x.x.x:445 fd=13 ]
[1][14210] 2022-08-03 11:26:45.681876: ID 980   :(_do_ping): post ping, status=DOWN [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=13 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518815.651335][2022-08-03 11:26:55] last_ping=[1659518805.680647][2022-08-03 11:26:45] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=7 rcv_cnt=0 ]

       

       

       

    • Kupauw's avatar
      Kupauw
      Icon for Nimbostratus rankNimbostratus
      Aug 03, 2022

      Same issue on version 14.1.2.1 when using a simple SMB monitor.
      (IP addresses and Hostnames are changed)

      ********** Debugging session beginning at: Wed Aug  3 11:26:35 2022

Arguments 1-4:
::ffff:10.x.x.x
445
log
/var/log/monitors/AG-2_hm_hostname.domain.com-AG-2_hostname.domain.com-445.log

Environment variables:
GET=
MON_INST_LOG_NAME=/var/log/monitors/AG-2_hm_hostname.domain.com-AG-2_hostname.domain.com-445.log
MON_TMPL_NAME=/AG-2/hm_hostname.domain.com
NODE_IP=::ffff:10.x.x.x
NODE_PORT=445
PASSWORD=<sensitive data redacted>
SERVER=hostname
SERVICE=
USERNAME=
--
/usr/bin/smbclient -N -L hostname -p 445
Listing services on hostname
WARNING: Ignoring invalid value 'cups' for parameter 'printing'
/usr/bin/smbclient: Can't load /etc/samba/smb.conf - run testparm to debug it
Recvd: 'protocol negotiation failed: NT_STATUS_CONNECTION_RESET
'
[1][14210] 2022-08-03 11:26:36.944599: ID 980   :(adjust_deadline): from [1659518796.448626][2022-08-03 11:26:36] to [1659518806.944568][2022-08-03 11:26:46] [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=13 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518805.651335][2022-08-03 11:26:45] last_ping=[1659518795.681333][2022-08-03 11:26:35] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=6 rcv_cnt=0 ]
[1][14210] 2022-08-03 11:26:36.944654: ID 980   :(_analyze_pings): visit DOWN, now=[1659518796.944568][2022-08-03 11:26:36] [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=13 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518805.651335][2022-08-03 11:26:45] last_ping=[1659518795.681333][2022-08-03 11:26:35] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=6 rcv_cnt=0 ]
read error on pipe: Interrupted system call
Failed to connect...
[1][14210] 2022-08-03 11:26:40.774046: ID 980   :(_main_loop): Service ready for read, now=[1659518800.772911][2022-08-03 11:26:40] [ addr=::ffff:10.x.x.x:445 srcaddr=::%0:0 fd=13 pend=0 #conn=0 ]
[1][14210] 2022-08-03 11:26:40.774817: ID 980   :(_recv_external_node_ping): reading [ addr=::ffff:10.x.x.x:445 ]
[1][14210] 2022-08-03 11:26:40.774841: ID 980   :(recv_external_node_ping): EAV failed [ addr=::ffff:10.x.x.x:445 ]
[1][14210] 2022-08-03 11:26:40.774857: ID 980   :(_kill_external_pinger): killing pid=751 [ addr=::ffff:10.x.x.x:445 fd=13 ]
[1][14210] 2022-08-03 11:26:40.774882: ID 980   :(_kill_external_pinger): kill returned -1 [ errno=3 ], kill-pg returned -1 [ errno=3 ]
[1][14210] 2022-08-03 11:26:40.774905: ID 980   :(shutdown_service) Closing logging file /var/log/monitors/AG-2_hm_hostname.domain.com-AG-2_hostname.domain.com-445.log
[1][14210] 2022-08-03 11:26:45.681147: ID 980   :(_do_ping): time to ping, now=[1659518805.680647][2022-08-03 11:26:45], status=DOWN [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=-1 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518805.651335][2022-08-03 11:26:45] last_ping=[1659518795.681333][2022-08-03 11:26:35] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=6 rcv_cnt=0 ]
[1][14210] 2022-08-03 11:26:45.681217: ID 980   :(_spawn_external_pinger): /usr/share/monitors/SMB_monitor [ addr=::ffff:10.x.x.x:445 ]
[1][14210] 2022-08-03 11:26:45.681819: ID 980   :(_spawn_external_pinger): spawned EAV pid=805 [ addr=::ffff:10.x.x.x:445 fd=13 ]
[1][14210] 2022-08-03 11:26:45.681876: ID 980   :(_do_ping): post ping, status=DOWN [ addr=::ffff:10.x.x.x:445 mon=/AG-2/hm_hostname.domain.com fd=13 pend=0 #conn=0 up_intvl=10 dn_intvl=10 timeout=31 time_until_up=0 immed=0 next_ping=[1659518815.651335][2022-08-03 11:26:55] last_ping=[1659518805.680647][2022-08-03 11:26:45] deadline=[1659518806.944568][2022-08-03 11:26:46] on_service_list=True snd_cnt=7 rcv_cnt=0 ]

       

    • Kupauw's avatar
      Kupauw
      Icon for Nimbostratus rankNimbostratus
      Aug 03, 2022

      Same issue on version 14.1.2.1 when using a simple SMB monitor. See attachment.