Darren J Moffat wrote:
Buth the reason thing is how do you tell the admin "its done now the filesystem is safe". With compression you don't generally care if some old stuff didn't compress (and with the current implementation it has to compress a certain amount or it gets written uncompressed anyway). With encryption the human admin really needs to be told.As a sysadmin, I'd be happy with another scrub-type command. Something with the following meaning: "Reapply all block-level properties such as compression, encryption, and checksum to every block in the volume. Have the admin come back tomorrow and run 'zpool status' too see if it's zone."Mad props if I can do this on a live filesystem (like the other ZFS commands, which also get mad props for being good tools). A natural command for this would be something like "zfs blockscrub tank/volume". Also, "zpool blockscrub tank" would make sense to me as well, even though it might touch more data. Of course, it's easy for me to just say this, since I'm not thinking about the implementation very deeply... -Luke |
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