cacti 取不到数据？

minmig

/usr/bin/php /var/www/html/cacti/poller.php
03/31/2008 03:45:01 PM - SYSTEM STATS: Time:1.0501 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:1
OK u:0.00 s:0.00 r:0.01


snmpwalk -v 2c -c public 127.0.0.1 if
省略部分..
IF-MIB::ifInOctets.1 = Counter32: 1025136
IF-MIB::ifInOctets.2 = Counter32: 1517936791
IF-MIB::ifInOctets.3 = Counter32: 1894136936
IF-MIB::ifInOctets.4 = Counter32: 270124
IF-MIB::ifInOctets.5 = Counter32: 1756209
IF-MIB::ifInOctets.6 = Counter32: 0
IF-MIB::ifInUcastPkts.1 = Counter32: 8351
IF-MIB::ifInUcastPkts.2 = Counter32: 2593433
IF-MIB::ifInUcastPkts.3 = Counter32: 2516554
IF-MIB::ifInUcastPkts.4 = Counter32: 3253
IF-MIB::ifInUcastPkts.5 = Counter32: 12296

/usr/local/rrdtool-1.2.11/bin/rrdtool fetch localhost_proc_14.rrd AVERAGE
                           proc
1206863400: nan
1206863700: nan
1206864000: nan
1206864300: nan
1206864600: nan
1206864900: nan
1206865200: nan
1206865500: nan
以下都是 nan 所以省略..

drwxr-xr-x 2 cactiuser root 4096 Mar 31 15:16 rra

不知道问题出在哪里，snmp的数据都是有的，但是rrd就是取不到。
看了各位大牛的帖子也不知道没办法解决。

minmig

03/31/2008 02:18:49 PM - SYSTEM STATS: Time:1.3263 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5 RRDsProcessed:5
03/31/2008 02:33:39 PM - SYSTEM STATS: Time:1.1912 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5 RRDsProcessed:5
03/31/2008 02:33:51 PM - CMDPHP: Poller[0] Time: 0.1737 s, Theads: N/A, Hosts: 1
03/31/2008 02:34:04 PM - CMDPHP: Poller[0] Time: 0.1338 s, Theads: N/A, Hosts: 1
03/31/2008 02:34:09 PM - SYSTEM STATS: Time:1.0962 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5 RRDsProcessed:15
03/31/2008 02:34:14 PM - CMDPHP: Poller[0] Time: 0.1319 s, Theads: N/A, Hosts: 1
03/31/2008 02:37:55 PM - CMDPHP: Poller[0] Time: 0.2031 s, Theads: N/A, Hosts: 1
03/31/2008 02:38:06 PM - SYSTEM STATS: Time:1.1568 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5 RRDsProcessed:15
03/31/2008 02:39:13 PM - SYSTEM STATS: Time:1.1638 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:10 RRDsProcessed:10
03/31/2008 02:39:19 PM - CMDPHP: Poller[0] Time: 0.2538 s, Theads: N/A, Hosts: 1
03/31/2008 02:40:33 PM - SYSTEM STATS: Time:2.2174 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:10 RRDsProcessed:10
03/31/2008 02:40:39 PM - CMDPHP: Poller[0] Time: 0.4170 s, Theads: N/A, Hosts: 1
03/31/2008 02:44:40 PM - SYSTEM STATS: Time:1.1052 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:1
03/31/2008 02:44:57 PM - SYSTEM STATS: Time:1.0709 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:1
03/31/2008 02:58:41 PM - SYSTEM STATS: Time:1.0506 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:0
03/31/2008 03:07:30 PM - CMDPHP: Poller[0] Host[1] ERROR: HOST EVENT: Host is DOWN Message: Host did not respond to SNMP
03/31/2008 03:07:31 PM - SYSTEM STATS: Time:1.0697 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:2 RRDsProcessed:0
03/31/2008 03:07:46 PM - CMDPHP: Poller[0] Time: 0.0165 s, Theads: N/A, Hosts: 1
03/31/2008 03:08:28 PM - SYSTEM STATS: Time:1.1212 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:0
03/31/2008 03:08:56 PM - SYSTEM STATS: Time:1.0538 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:2 RRDsProcessed:0
03/31/2008 03:11:43 PM - SYSTEM STATS: Time:1.0349 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:2 RRDsProcessed:0
03/31/2008 03:11:51 PM - SYSTEM STATS: Time:1.0518 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:2 RRDsProcessed:0
03/31/2008 03:12:00 PM - CMDPHP: Poller[0] Time: 0.0173 s, Theads: N/A, Hosts: 1
03/31/2008 03:13:26 PM - SYSTEM STATS: Time:1.0793 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:2 RRDsProcessed:2
03/31/2008 03:16:54 PM - SYSTEM STATS: Time:1.0735 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:1
03/31/2008 03:45:00 PM - CMDPHP: Poller[0] Host[1] NOTICE: HOST EVENT: Host Returned from DOWN State:
03/31/2008 03:45:01 PM - SYSTEM STATS: Time:1.0501 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:1 RRDsProcessed:1

minmig

刚才有弄了一下，突然有数据图像也出来了。但是过一会儿再去看就就又没有了。
我数据库也是5.0.22。

minmig

搞了那么久也不知道问题在哪里
碰到过同样情况的朋友帮个忙。