Scrubing degraded ZFS pools can't be imported by another systems? [のふ処|NOFUDOKORO]

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====== Scrubing degraded ZFS pools can't be imported by another systems? ======

It's a long story, I imported a RAIDZ pool which consisted of 4 HDDs and was created by FreeBSD to a ZoL environment as a degraded pool consisted of 3 HDDs.

Although scrub was automatically running, I cancelled it and exported it, then tried to import the entire 4 HDDs on the BSD system, but it couldn't.

<code>
# zpool import zdata
cannot import 'zdata': no such pool available
</code>

A such error happened. I sweated it because the pool could get corrupted by come-and-go the pool between the BSD and Linux with degraded.

On the ZoL environment, I found the degraded pool was succeeded to import. After the pool got back to 4 HDDs and finished to resilver, it could be imported on the FreeBSD system.

It appears a degraded pool can't be imported by other systems once it is imported by the first system until its reliability will be recovered, I guess.
I don't know this behaviour is normal or a special case occurred by come-and-go the pool between FreeBSD (Legacy ZFS) and the ZoL.

If it is right behaviour, the pool virtually will get unavailable when the PC will break up, so I guess it may not be right behaviour. I log this phenomenon as it actually happened.