On Mon, 16 Sep 2019 10:55:54 +0000 René Romijn Rene.Romijn@tabsholland.nl wrote:
We installed a new VM with Buster and we installed NAV via this link: https://github.com/Uninett/navappliance/blob/master/scripts/nav.sh
Then i restored the /var/lib/graphite directory from the old server tot he new one. I did see all the old graphs and also new graphs is created.. but after a reboot after 3 days graphite didnt write back the newly created graphs and 'reverted' to the point of restore, so still the old data.
You're saying you lost *three days* of Graphite data after a reboot of the VM? I cannot imagine carbon-cache could keep that much data in memory before committing to disk - that just sounds like something is very wrong with your VM hosting software.
Again, since this problem appears to be very specific to Graphite (or your VM infrastructure), I would advise you to ask somewhere where the level of Graphite expertise is higher. It seems their preferred forum is on Launchpad: https://answers.launchpad.net/graphite (and I'm going to watch that forum, because this issue makes me really curious!).