Major stability issues after moving to Dragonfish

[DjP-iX]

Maybe?

PSA: Dragonfish may fail to import pools with excessive snapshots

I’d previously reported that I wasn’t able to upgrade to Dragonfish from Cobia–when Dragonfish would boot, the pool import process would take over 15 minutes and then time out, resulting in the system booting without the apps pool online and therefore the apps service failing. Naturally, I reported a bug. Investigation on that and a few related tickets revealed a regression with upstream ZFS, which was triggered by too many snapshots–over 100k of them in my case. And while I still have to fig…