Date: Thu, 26 May 2011 15:59:00 +0200 From: "icema" <icemaca@gmail.com> To: <freebsd-questions@freebsd.org> Subject: zfs newbie question Message-ID: <1D75DCBBE6B04871AFD1EDD455CBA7B6@Win64>
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hi, i have a new fbsd-8.2 install (dual boot with win7, just desktop general = use) on entirely ufs disk, and am not=20 sure how to mount a zfs formatted disk from a previous install, without = loosing what is on there. (freebsd-zfs). in short, the zfs disk was from a previous freebsd install, same = version, just needed to wipe/reinstall, which was also entirely ufs. To try out zfs i used a full separate disk, partiitoned = and setup as freebsd-zfs through gpt, then created=20 the pool specifying it. i.e =20 zpool create foo /dev/ad10. atm i dont have a pool at all and dont know if i use that command, if it = will simple create one and mount ad10,=20 retaining the data on it or whether that will just reinitialise, wiping = the data in the process. to avoid surprises, i have been looking around to see if u can create an = empty pool (without specifying disk space or w/e), then try the =E2=80=98add=E2=80=99 command instead, to add it there, but = i dont see that thats possible so far; and i dont have spare space=20 to use in creating a new pool. so, is it entirely safe to use zpool create foo /dev/ad10 to mount it = and retain data, or is there some way to create an empty pool? thanks in advance
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