Date: Wed, 11 Aug 2010 09:34:37 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Dick Hoogendijk <dick@nagual.nl> Cc: freebsd-questions@freebsd.org Subject: Re: zfs data on disk Message-ID: <20100811143437.GB18896@dan.emsphone.com> In-Reply-To: <4C6253A7.3050701@nagual.nl> References: <4C6253A7.3050701@nagual.nl>
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In the last episode (Aug 11), Dick Hoogendijk said: > Where does ZFS keeps its data *on disk* for created/exported/imported > vdevs? > Is /etc/zfs the only place or are there other places? > Thanks. I don't think there's anything in /etc/zfs apart from the NFS exports file. The list of currently-mounted pools and their devices is stored in /boot/zfs/zpool.cache , and I believe is only used during bootup. vdev information itself is stored in the zpool labels; you can view that with "zdb -l /dev/nnn", where nnn is one of the devices your zpool is bulit on. More info than you probably want: http://hub.opensolaris.org/bin/download/Community+Group+zfs/docs/ondiskformat0822.pdf -- Dan Nelson dnelson@allantgroup.com
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