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If you are really sure what you state in your third paragraph is correct, that would be a bug with the BSD ZFS implementation. ZFS pool read only import was designed to be truly read-only, i.e. it never tries to write or fix any data or metadata, including the pool history. See arc.stillopensolaris.org/txt/PSARC_2010_306.txt

jlliagre
– jlliagre

2016-07-19 23:59:03 +00:00
Commented Jul 19, 2016 at 23:59
1

@jlliagre I'm quite sure, but it might have been in the context of some other ZFS implementation. I don't really see why they would differ in such a fundamental aspect, though; I believe all open-source ZFS implementations share a significant amount of code that traces its lineage back to Sun. I just might set up some kind of testing environment for this and poke at it with a stick then see what happens, but it will be some time before I can devote the time to actually do that.

user
– user

2016-07-20 07:45:53 +00:00
Commented Jul 20, 2016 at 7:45
1

The fact that I apparently have "import" to simple read a file in ZFS is what troubles me. I have a ZFS drive I am trying to access files from while the system it was originally in is unavailable. When that system is available again, I want to put the drive back in it and resume as if nothing had happened. But in the mean time I do need to access some of the files on the drive. Hopefully your answer provides the information I need for this particular use case.

Michael
– Michael

2023-05-06 19:48:58 +00:00
Commented May 6, 2023 at 19:48

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