Date: Thu, 25 Feb 2016 15:58:10 -0500 From: Zaphod Beeblebrox <zbeeble@gmail.com> To: FreeBSD Hackers <freebsd-hackers@freebsd.org>, freebsd-fs <freebsd-fs@freebsd.org> Subject: ZFS full system backup hoses the backup host. Message-ID: <CACpH0Me58jK%2BOz3PCqH93NEn=5V1SKwPGdku62sAVLVh%2BWxEeA@mail.gmail.com>
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This violated POLA for me. I backed up a host using: time zfs send -vRI @backup-1-e zroot@backup-1-f | ssh backuphost "zfs receive -vFud zroot/backup/host" Only to find that the backup host (a week later) failed to reboot? The problem? Well... -u on receive marks the filesystem as unmounted only "right now" not "next reboot" and -R on send implies -p (send dataset attributes) and... ... zroot/ROOT/default mountpoint=/ (among others). The only hackish way to fix this I see is to have a list of mountpoints to correct --- which is partially what I'm trying to avoid by using -R --- I just want the whole thing backed up. What have other people done to get around this and/or can we either put in an "ignore properties" on receive flag or a -R on send that doesn't send them?
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