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On Wed, Jun 02, 2004 at 10:00:58AM +1000, Jonathan Trott wrote:
> I'm still having problems getting the fallback feature working
> properly. Now I'm getting the fallback server added on half of my
> server pools but not the other half. At least I'm not getting the
> fallback server added to pools with live servers in them, but I'm not
> getting the extected behaviour either.
> Any ideas?
Hi Jonathan,
thanks for the detailed bug report. It seems that
there is indeed a problem that is only exhibited with quiescent=no.
I also suspect there might be some other related bugs to do with
reloading the config and toggling quiescent. I hope to have a fix
available shortly.
--
Horms
> *** Configuration file ldirectord.cf
>
> checktimeout=6
> checkinterval=2
> autoreload=yes
> logfile="local0"
> quiescent=no
>
> virtual=192.168.100.1:80
> real=192.168.11.11:80 masq
> real=192.168.11.12:80 masq
> real=192.168.11.13:80 masq
> real=192.168.11.14:80 masq
> fallback=127.0.0.1:80
> service=http
> request="/serverstate/"
> receive="server up"
> scheduler=rr
> persistent=5
> protocol=tcp
>
> virtual=192.168.0.1:80
> real=192.168.11.11:80 masq
> real=192.168.11.12:80 masq
> real=192.168.11.13:80 masq
> real=192.168.11.14:80 masq
> fallback=127.0.0.1:80
> service=http
> request="/serverstate/"
> receive="server up"
> scheduler=rr
> persistent=5
> protocol=tcp
>
> virtual=192.168.100.1:443
> real=192.168.11.11:443 masq
> real=192.168.11.12:443 masq
> real=192.168.11.13:443 masq
> real=192.168.11.14:443 masq
> fallback=127.0.0.1:443
> service=https
> request="/serverstate/"
> receive="server up"
> scheduler=rr
> persistent=5
> protocol=tcp
>
> virtual=192.168.0.1:443
> real=192.168.11.11:443 masq
> real=192.168.11.12:443 masq
> real=192.168.11.13:443 masq
> real=192.168.11.14:443 masq
> fallback=127.0.0.1:443
> service=https
> request="/serverstate/"
> receive="server up"
> scheduler=rr
> persistent=5
> protocol=tcp
>
>
> *** Initial server pools
>
> IP Virtual Server version 1.0.11 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP 192.168.0.1:80 rr persistent 5
> -> 192.168.11.13:80 Masq 1 2 1
> -> 192.168.11.11:80 Masq 1 0 0
> TCP 192.168.100.1:80 rr persistent 5
> -> 192.168.11.13:80 Masq 1 0 0
> -> 192.168.11.11:80 Masq 1 2 13
> TCP 192.168.0.1:443 rr persistent 5
> -> 192.168.11.13:443 Masq 1 0 2
> -> 192.168.11.11:443 Masq 1 0 0
> TCP 192.168.100.1:443 rr persistent 5
> -> 192.168.11.13:443 Masq 1 0 0
> -> 192.168.11.11:443 Masq 1 0 6
>
> *** Took offline both servers
>
> Jun 2 09:35:59 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.13:80 (1 x 192.168.100.1:80)
> Jun 2 09:35:59 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.13:80 (3 x 192.168.0.1:80)
> Jun 2 09:36:05 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.13:443 (1 x 192.168.100.1:443)
> Jun 2 09:36:05 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.13:443 (3 x 192.168.0.1:443)
> Jun 2 09:36:10 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:80 (0 x 192.168.100.1:80)
> Jun 2 09:36:10 osacon2 ldirectord[24802]: Added fallback server:
> 127.0.0.1:80 (0 x 192.168.100.1:80) (Weight set to 1)
> Jun 2 09:36:10 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:80 (2 x 192.168.0.1:80)
> Jun 2 09:36:16 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:443 (0 x 192.168.100.1:443)
> Jun 2 09:36:16 osacon2 ldirectord[24802]: Added fallback server:
> 127.0.0.1:443 (0 x 192.168.100.1:443) (Weight set to 1)
> Jun 2 09:36:16 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:443 (2 x 192.168.0.1:443)
>
> *** Resultant server pools
>
> IP Virtual Server version 1.0.11 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP 192.168.0.1:80 rr persistent 60
> TCP 192.168.100.1:80 rr persistent 60
> -> 127.0.0.1:80 Local 1 0 0
> TCP 192.168.0.1:443 rr persistent 60
> TCP 192.168.100.1:443 rr persistent 60
> -> 127.0.0.1:443 Local 1 0 0
>
> *** Bring online one server
>
> Jun 2 09:38:22 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:443 (1 x 192.168.100.1:443) (Weight set to 1)
> Jun 2 09:38:22 osacon2 ldirectord[24802]: Deleted fallback server:
> 127.0.0.1:443 (1 x 192.168.100.1:443)
> Jun 2 09:38:22 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:443 (3 x 192.168.0.1:443) (Weight set to 1)
> Jun 2 09:38:30 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:80 (1 x 192.168.100.1:80) (Weight set to 1)
> Jun 2 09:38:30 osacon2 ldirectord[24802]: Deleted fallback server:
> 127.0.0.1:80 (1 x 192.168.100.1:80)
> Jun 2 09:38:30 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:80 (3 x 192.168.0.1:80) (Weight set to 1)
>
> *** Resultant server pools
>
> IP Virtual Server version 1.0.11 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP 192.168.0.1:80 rr persistent 5
> -> 192.168.11.11:80 Masq 1 0 0
> TCP 192.168.100.1:80 rr persistent 5
> -> 192.168.11.11:80 Masq 1 0 0
> TCP 192.168.0.1:443 rr persistent 5
> -> 192.168.11.11:443 Masq 1 0 0
> TCP 192.168.100.1:443 rr persistent 5
> -> 192.168.11.11:443 Masq 1 0 0
>
> *** Took offline online server
>
> Jun 2 09:38:44 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:80 (0 x 192.168.100.1:80)
> Jun 2 09:38:44 osacon2 ldirectord[24802]: Added fallback server:
> 127.0.0.1:80 (0 x 192.168.100.1:80) (Weight set to 1)
> Jun 2 09:38:44 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:80 (2 x 192.168.0.1:80)
> Jun 2 09:38:50 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:443 (0 x 192.168.100.1:443)
> Jun 2 09:38:50 osacon2 ldirectord[24802]: Added fallback server:
> 127.0.0.1:443 (0 x 192.168.100.1:443) (Weight set to 1)
> Jun 2 09:38:50 osacon2 ldirectord[24802]: Deleted real server:
> 192.168.11.11:443 (2 x 192.168.0.1:443)
>
> *** Resultant server pools
>
> IP Virtual Server version 1.0.11 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP 192.168.0.1:80 rr persistent 60
> TCP 192.168.100.1:80 rr persistent 60
> -> 127.0.0.1:80 Local 1 0 0
> TCP 192.168.0.1:443 rr persistent 60
> TCP 192.168.100.1:443 rr persistent 60
> -> 127.0.0.1:443 Local 1 0 0
>
> *** Bring online both servers
>
> Jun 2 09:41:08 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.13:80 (1 x 192.168.100.1:80) (Weight set to 1)
> Jun 2 09:41:08 osacon2 ldirectord[24802]: Deleted fallback server:
> 127.0.0.1:80 (1 x 192.168.100.1:80)
> Jun 2 09:41:08 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.13:80 (3 x 192.168.0.1:80) (Weight set to 1)
> Jun 2 09:41:11 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:443 (1 x 192.168.100.1:443) (Weight set to 1)
> Jun 2 09:41:11 osacon2 ldirectord[24802]: Deleted fallback server:
> 127.0.0.1:443 (1 x 192.168.100.1:443)
> Jun 2 09:41:11 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:443 (3 x 192.168.0.1:443) (Weight set to 1)
> Jun 2 09:41:14 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.13:443 (2 x 192.168.100.1:443) (Weight set to 1)
> Jun 2 09:41:14 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.13:443 (4 x 192.168.0.1:443) (Weight set to 1)
> Jun 2 09:41:19 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:80 (2 x 192.168.100.1:80) (Weight set to 1)
> Jun 2 09:41:19 osacon2 ldirectord[24802]: Added real server:
> 192.168.11.11:80 (4 x 192.168.0.1:80) (Weight set to 1)
>
> *** Resultant server pools
>
> IP Virtual Server version 1.0.11 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP 192.168.0.1:80 rr persistent 5
> -> 192.168.11.13:80 Masq 1 0 0
> -> 192.168.11.11:80 Masq 1 0 0
> TCP 192.168.100.1:80 rr persistent 5
> -> 192.168.11.13:80 Masq 1 0 0
> -> 192.168.11.11:80 Masq 1 0 0
> TCP 192.168.0.1:443 rr persistent 5
> -> 192.168.11.13:443 Masq 1 0 0
> -> 192.168.11.11:443 Masq 1 0 0
> TCP 192.168.100.1:443 rr persistent 5
> -> 192.168.11.13:443 Masq 1 0 0
> -> 192.168.11.11:443 Masq 1 0 0
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