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The issue with any system that gets too full is to find the next free space to write into. ZFS and any system that is copy-on-write can be especially susceptible to this issue as well as any log based system where there is a background process to clear the now-unused data after it was overwritten in principle but the new data was actually written somewhere ...


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Solaris 11 ZFS uses NFSv4 ACLs rather than POSIX ACLs. Linux doesn't have NFSv4 ACLs on ZFS at all, and seems like it never will. While NFSv4 ACLs are a superset of POSIX ACLs, seems like only Solaris can transfer/translate POSIX ACLs to NFSv4 ones during file moving/copying. So, concluding, I don't see a way to preserve ACL in ZFS snapshots. Either use ...


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Why are you passing the disks through a RAID Controller? JBOD would make more sense when using ZFS. You could run into Problems because of your controller. Anyway, its save to just detach and re-attach the disk. You could also try to replace the disk (without really replacing it: zpool replace pool disk) Let it resilver and scrub again.



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