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I'm still having problems getting FTP to work. HTTP works fine so I
temporarily removed it from ldirectord.cf so I could focus on FTP. I
stopped heartbeart and started ldirectord manually to capture the debug
information. Below is the console output.
You can see about half way down that a problem occurs when it runs...
ipvsadm -a -t 192.168.5.100:21 -r 192.168.10.61:21 -m -w 1
..and gets...
Destination already exists
I don't know if this is the root of the problem. If I stop ldirectord
and check status on ipvsadm, I get...
[root@lb1 ha.d]# ipvsadm -l
IP Virtual Server version 1.2.0 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight
ActiveConn InActConn
[root@lb1 ha.d]#
If I then add the service and the virtual server manually, as follows, I
don't get an error message...
[root@lb1 ha.d]# ipvsadm -A -t 192.168.5.100:21 -s rr
[root@lb1 ha.d]# ipvsadm -a -t 192.168.5.100:21 -r
192.168.10.61:21 -m -w 1
[root@lb1 ha.d]#
Any ideas why FTP won't work?
---< log snippet >---
[root@lb1 ha.d]# /usr/sbin/ldirectord -d start
DEBUG2: Running exec(/usr/sbin/ldirectord -d start)
Running exec(/usr/sbin/ldirectord -d start)
DEBUG2: Invoking ldirectord invoked as: /usr/sbin/ldirectord start
Invoking ldirectord invoked as: /usr/sbin/ldirectord start
DEBUG2: Starting Linux Director v1.131 with pid: 3342
Starting Linux Director v1.131 with pid: 3342
DEBUG2: Running system(/sbin/ipvsadm -A -t 192.168.5.100:21 -s rr )
Running system(/sbin/ipvsadm -A -t 192.168.5.100:21 -s rr )
DEBUG2: Added virtual server: 192.168.5.100:21
Added virtual server: 192.168.5.100:21
DEBUG2: Running system(/sbin/ipvsadm -a -t 192.168.5.100:21 -r
192.168.10.61:21 -m -w 0)
Running system(/sbin/ipvsadm -a -t 192.168.5.100:21 -r 192.168.10.61:21
-m -w 0)
DEBUG2: Quiescent real server: 192.168.10.61:21 ( x 192.168.5.100:21)
(Weight set to 0)
Quiescent real server: 192.168.10.61:21 ( x 192.168.5.100:21) (Weight
set to 0)
DEBUG2: Disabled server=192.168.10.61
DEBUG2: Checking negotiate: real
server=negotiate:ftp:tcp:192.168.10.61:21::::\/checkup\.txt:ftp_is_up
(virtual=tcp:192.168.5.100:21)
DEBUG2: Checking ftp server=192.168.10.61 port=21
DEBUG2: Running system(/sbin/ipvsadm -a -t 192.168.5.100:21 -r
192.168.10.61:21 -m -w 1)
Running system(/sbin/ipvsadm -a -t 192.168.5.100:21 -r 192.168.10.61:21
-m -w 1)
Destination already exists
DEBUG2: system(/sbin/ipvsadm -a -t 192.168.5.100:21 -r 192.168.10.61:21
-m -w 1) failed:
system(/sbin/ipvsadm -a -t 192.168.5.100:21 -r 192.168.10.61:21 -m -w 1)
failed:
DEBUG2: Added real server: 192.168.10.61:21 ( x 192.168.5.100:21)
(Weight set to 1)
Added real server: 192.168.10.61:21 ( x 192.168.5.100:21) (Weight set to
1)
DEBUG2: Enabled server=192.168.10.61
DEBUG2: Checking negotiate: real
server=negotiate:ftp:tcp:192.168.10.61:21::::\/checkup\.txt:ftp_is_up
(virtual=tcp:192.168.5.100:21)
DEBUG2: Checking ftp server=192.168.10.61 port=21
DEBUG2: Enabled server=192.168.10.61
DEBUG2: Checking negotiate: real
server=negotiate:ftp:tcp:192.168.10.61:21::::\/checkup\.txt:ftp_is_up
(virtual=tcp:192.168.5.100:21)
DEBUG2: Checking ftp server=192.168.10.61 port=21
DEBUG2: Enabled server=192.168.10.61
DEBUG2: Checking negotiate: real
server=negotiate:ftp:tcp:192.168.10.61:21::::\/checkup\.txt:ftp_is_up
(virtual=tcp:192.168.5.100:21)
DEBUG2: Checking ftp server=192.168.10.61 port=21
DEBUG2: Enabled server=192.168.10.61
--
Eric Robinson
Disclaimer - July 14, 2006
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