Rrd cacti not updating

If the poller couldn't get the data then it's usually an issue relating to connectiviy/SNMP.

If it's not updating with data then you should change the cacti log level to DEBUG via the settings page on Cacti's web UI and look for appropriate messages.

In reply to your comment that file/directory ownership/permissions may be the issue, I will share what I have found to be useful for my Cacti installations that run on Open BSD (aka, your placement and syntax may vary with other systems): chown -R www:www /var/www/htdocs/* echo 'web directories reset to www:www ownership' chmod -R 777 /var/www/htdocs/cacti/plugins/* chmod -R 777 /var/www/htdocs/cacti/log/* chmod -R 777 /var/www/htdocs/cacti/rra/* echo 'cacti plugin, log, and rra directories set to full r,w,x' I use weathermaps heavily in cacti and often find myself having to reset permissions over and over throughout and this has save me the headache of thinking about it constantly.

777 may be too open for these sections security-wise, and if so, I would gladly appreciate a better setting to be mentioned that still provides usability of the application.

I see it has a step value of 300 so the database should be updated every 5 minutes.

Hello, I have recently done a migration of my cacti server to a new machine.

I can snmpget the value, e.g filename = "powerbseipv6testrouter_cisco_memfree_40.rrd" rrd_version = "0003" step = 300 last_update = 1321867894 ds[cisco_memfree]= "GAUGE" ds[cisco_memfree].minimal_heartbeat = 600 ds[cisco_memfree]= 0.0000000000e 00 ds[cisco_memfree]= 1.0000000000e 12 ds[cisco_memfree].last_ds = "UNKN" ds[cisco_memfree].value = 0.0000000000e 00 ds[cisco_memfree].unknown_sec = 94 rra[0]= "AVERAGE" rra[0]= 600 rra[0].pdp_per_row = 1 rra[0]= 5.0000000000e-01 rra[0].cdp_prep[0].value = Na N rra[0].cdp_prep[0].unknown_datapoints = 0 rra[1]= "AVERAGE" rra[1]= 700 rra[1].pdp_per_row = 6 rra[1]= 5.0000000000e-01 rra[1].cdp_prep[0].value = Na N rra[1].cdp_prep[0].unknown_datapoints = 0 rra[2]= "AVERAGE" rra[2]= 775 rra[2].pdp_per_row = 24 rra[2]= 5.0000000000e-01 rra[2].cdp_prep[0].value = Na N rra[2].cdp_prep[0].unknown_datapoints = 18 rra[3]= "AVERAGE" rra[3]= 797 rra[3].pdp_per_row = 288 rra[3]= 5.0000000000e-01 rra[3].cdp_prep[0].value = Na N rra[3].cdp_prep[0].unknown_datapoints = 114 rra[4]= "MAX" rra[4]= 600 rra[4].pdp_per_row = 1 rra[4]= 5.0000000000e-01 rra[4].cdp_prep[0].value = Na N rra[4].cdp_prep[0].unknown_datapoints = 0 rra[5]= "MAX" rra[5]= 700 rra[5].pdp_per_row = 6 rra[5]= 5.0000000000e-01 rra[5].cdp_prep[0].value = Na N rra[5].cdp_prep[0].unknown_datapoints = 0 rra[6]= "MAX" rra[6]= 775 rra[6].pdp_per_row = 24 rra[6]= 5.0000000000e-01 rra[6].cdp_prep[0].value = Na N rra[6].cdp_prep[0].unknown_datapoints = 18 rra[7]= "MAX" rra[7]= 797 rra[7].pdp_per_row = 288 rra[7]= 5.0000000000e-01 rra[7].cdp_prep[0].value = Na N rra[7].cdp_prep[0].unknown_datapoints = 114 Aside from upgrading to the latest 0.8.8, have you confirmed that you (or whatever is attempting to store the rrd information in the file) can?

Are permissions for the file/directory set properly to allow for this?

So for 1 minute polling (on the poller and the cronjob) you will have to use a step of 60 (seconds) and a heartbeat of 120.Go to ssh and run command that you see in cacti, but add redirection to a file.If rrdtool generate the valid file it means you probably have problems with your php configuration.set the cacti logging to DEBUG and check all Poller Statistics, Poller Errors, Poller Warning options, check files, usually it will showing the output, you can start investigate from the log /rra/xxx.rrd". But when verify with "rrdtool info xxx.rrd", "rra[7].cdp_prep[0].value = Na N" displays. are you try using all patches on cacti website for your cacti version.I think the problem exists in the step: write values to rrd files. PS: The problem even exists in Localhost - Load Average, after a clean cacti try to delete all rrd on ./rra/ folder ? your rrd "ds[cisco_memfree]= 1.0000000000e 12", is the snmp results that you saw on debug log exceeded the limit "ds[cisco_memfree]= 1.0000000000e 12" ?

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