Sharing my experience with Pi-hole v6

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I have been running Pi-Hole on Proxmox LXC for quite a while now, it's even setup as my main DHCP.

With that said, I have tried the upgrade and let me tell you, it didn't go as well as expected.

Thankfully I took a snapshot and I was able to revert back after 2 hours, but these are same of the things I worked on, and I hope this is a starting point for anyone else trying this:

  • The update went super smooth, no errors (I was impressed!)
  • After the update, connectivity lost, I couldn't access the web interface. Seems like the install didn't stop/remove lightttpd, after stopping, removing and restarting the pi-hole service I was able to hit the web interface (on http, didn't even try https).
  • I had no DNS resolution, the web interface was crazy slow. Looking at the resources on my LXC nothing was really pressing. I was able to get a better performance (but still below average) by following this: Free Up Pi-Hole Disk Space Usage
  • Looking into the DNS section of the GUI, I realized that no DNS was selected (even if in my v5 I had google and cloudflare)
  • Enabling the DNS I was able to go online
  • errors with NTP, I had to disable in the toml file (followed this https://www.reddit.com/r/pihole/comments/1isqj17/pihole_v5_to_v6_on_proxmox_lxc/)
  • Even though I had DNS, I still was experiencing issues, the whole network was laggy.
  • I could not join Wi-Fi on my iPhone, I am assuming it couldn't perform DNS resolution
  • Local DNS records set in the v5 were gone
  • Reverted back through the snapshot, I think the release is still not fully ready

I hope that this can help developers and power users understand what's going on and hopefully the upgrade goes smoothly in the next few weeks.

Thanks.

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There does seem to be some themes where certain builds like using proxmox / containers had more issues than other ( alteast from what I see in the forums posts).

I have 4 piholes running and all upgraded with no issues at all ( 1 from beta version, 3 from V5), my config is pretty straight forward though.

Personally I think the Devs did a wonderful job. They can't forsee every possible issue and this has been in beta for a while. I'm not sure if there were any proxmox users participating in beta but the more diverse group of users that are helping to test the better the end product is going to be.

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Hi Everyone,

just wanted to provide an update on this topic. What I ended up doing was create a brand new LXC with PiHole v6 and I restored the settings from a backup I had in v5. Super smooth, after everything was up and running, I shut down the old one, and migrated the IP address to the new instance through Proxmox.

Everything seems to be working, will provide more updates in the near future. For anyone who's experiencing the slow UI, well the problem is with Safari... I tried to use Firefox and the UI is snappy as it should. I am hoping that with future releases the dev can look at how to improve performances on Safari.

Thanks to the Dev for all the hard work! 6.0.4 is much more stable!

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