Date: Tue, 23 Jun 2009 15:50:05 +0300 From: Dan Naumov <dan.naumov@gmail.com> To: gary.jennejohn@freenet.de Cc: freebsd-fs@freebsd.org Subject: Re: 7.2-STABLE: swap on ZFS v13 Message-ID: <cf9b1ee00906230550h40d7746fs5de83d3df01d1e1f@mail.gmail.com> In-Reply-To: <20090623142402.2c8d4b65@ernst.jennejohn.org> References: <288239.1376.qm@web37303.mail.mud.yahoo.com> <20090623142402.2c8d4b65@ernst.jennejohn.org>
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On Tue, Jun 23, 2009 at 3:24 PM, Gary Jennejohn<gary.jennejohn@freenet.de> wrote: >> Is there anybody else who tried 7-STABLE/amd64 with swap on ZFS v13? Does it work or not? >> > > I doubt that you can generate a crash dump using ZFS as swap, especially > if you have compression enabled. > > But I might be wrong. > > Does anyone know? If this is true and this is the only serious limitation of using a zvol as swap, I could very well see myself moving to using it for swap in the near future (as it would lead to a lot cleaner filesystem layouts on multidisk systems utilizing zfs). If by any odd chance, I do run into a reproducible system crash I have to debug, I could just attach an USB stick and temporarily move the swap to that. - Dan Naumov
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