Date: Fri, 10 Sep 2010 07:40:42 -0700 From: Freddie Cash <fjwcash@gmail.com> To: freebsd-fs@freebsd.org Subject: Re: Swap on ZFS Volume still panics? Message-ID: <AANLkTikp61vN24vUqUjC8D4RsmqdV_P83H63-vrTgEa6@mail.gmail.com> In-Reply-To: <AANLkTin_Cm=EebQ9HV9r=-=CN2S7oCyyme%2BLZ2f5z5zs@mail.gmail.com> References: <AANLkTin4DAY%2BWXOpckWJCs437BGg0mjAFzRv%2BiDEG-F1@mail.gmail.com> <20100910073912.GC2007@garage.freebsd.pl> <AANLkTin_Cm=EebQ9HV9r=-=CN2S7oCyyme%2BLZ2f5z5zs@mail.gmail.com>
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On Fri, Sep 10, 2010 at 1:50 AM, App Deb <appdebgr@gmail.com> wrote: > Yes sorry for actually calling it a panic, it is a deadlock, I didn't see > any messages, anyway the system becomes unusable and needs a manual hard > reboot. > > I found the mention (without any warnings) here: > http://wiki.freebsd.org/RootOnZFS > > I have tried this on 3 different systems (all 8.1R though) and they always > deadlock once the zfs swap is touched. > > I think that the "not recommended" is not enough. It just doesn't work at > all, except if I am doing something wrong and there are some cases that it > works? > > I have now switched to native freebsd-swap (after a long zfs send/receive > backup to resize the zpool :) ) and everything works great. An alternative to re-creating the pool to add a non-ZFS swap is to plug in a 2-8 GB USB stick and use that for swap. -- Freddie Cash fjwcash@gmail.com
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