RRD-Data doesn't survive a restart / shutdown
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RRD data about deprecated interfaces is not a problem as far as disk space is concerned. My CF card has plenty of space.
Are you sure that all files must be held in memory simultaneously when the tgz file is created? Aren't there pipes for handling such stuff more memory efficiently? I will check now from time to time whether the backups are successful. According to darkcrucible's comment the problem is that the data is destroyed at boot time.
Using a usb drive sounds dangerous to me. This would be ok only if the system can boot even if the usb drive fails. I have no clue as to how I would configure this anyway.
About the modem interface: This is somewhat complicated. I have two interfaces WAN and WAN_IPTV which have VLAN tagged traffic from my provider. My modem assigns itself an RFC 1918 IP address and unfortunately generates plenty of UPNP service discovery requests. I want to block this silently because otherwise this spams my firewall log. But I want to keep the logging of the default block rule. These packets arrive neither on the WAN nor the WAN_IPTV interface. So any firewall rules there do not work. This does not even work with floating firewall rules. Nonetheless in the firewall log the block get attributed to the WAN interface's default block rule. So to be able to write a firewall rule for the modem at all I have to create an interface for it first. ::)
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Yes, it's not an issue with CF card space nor, normally, with space in /tmp or /var which are the same size across all Nano installs. That said I had to increase the size of /var on my home box to 80MB to avoid errors a few versions back. Can't remember the details now. :-\ I have 512MB in the box, and could easily add more, so it's much less of an issue.
Edit: Yes here we go, anything in this thread look familiar:
https://forum.pfsense.org/index.php?topic=66588.0
I was running out of space in /var every time the RRD backup ran at midnight.No, I'm not sure of anything really. ;) I haven't investigated the code closely but I seem to remember something reported by one of the devs to that effect. Maybe it's more of an issue when the compressed data is extracted.
Like I said moving data onto a USB stick would be a last ditch solution.
Ah, I see what you're saying about the modem interface. If it doesn't have a gateway on it that there won't be an RRD quality file created for it though.
Steve
