What is a ZFS Pool “Checkpoint”? [murphys-law] [murphys-law-with-a-net] If you do destructive or experimental actions against files and folders within a filesystem, you can always resort to rolling back to a dataset’s snapshot. Even if you don’t wish to do a full rollback (which will ultimatel…

Added a note to the post. :point_down: ▶ Click to view revised section

I figured this out after spending 5 hours in agony as to why it was trying to mount to / instead of /mnt. Thank you, this will save people incredible pain. I just followed your instructions and my system was toast. I had to manually set the mountpoint property for main and for ix-apps. Learned a l…

can you edit the original post to correct it? That’s what people will see. thanks!

It’s already edited. :slightly_smiling_face:

It looks the same as the original even after page reload: [image] There is no -R option added to the import. Am I missing something?

[image] stk: There is no -R option added to the import. Am I missing something? @winnielinnie I’d suggest emboldening “For TrueNAS systems” in your [i] block. And maybe dropping a link to your “revised” comment.

Bolded. The thing about TrueNAS vs “ZFS” is you jump away from upstream defaults. -R /mnt is one of them, but so is -d /dev/disk/by-partuuid, and the irregular location of the “cachefile” (/data/zfs/zpool.cache) for TrueNAS, compared to upstream OpenZFS (/etc/zfs/zpool.cache). That’s why I leave …

[image] winnielinnie: You cannot remove or modify vdevs if a checkpoint exists Indeed just learned this. Practically this means hot-spares don’t work and disk replacements will fail until you release your checkpoint.

[image] Johnny_Fartpants: hot-spares don’t work Ouch! That one is severe.

Indeed. Now I need to decide what do I want more checkpoints or hot-spares :thinking:

ZFS Pool "Checkpoints": They work just like seatbelts! (Not really)

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swc-phil May 29, 2025, 3:18am 22

ChatGPT is just pathetic. The correct command for deleting that nasty French language pack is rm -fr!

Scale 10Gbe SMB share slow on pc fast on mac

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ZFS Pool "Checkpoints": They work just like seatbelts! (Not really)

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