Date: Sun, 19 Feb 2017 15:20:49 +0100 From: Nikos Vassiliadis <nvass@gmx.com> To: Kurt Jaeger <lists@opsec.eu> Cc: freebsd-jail@freebsd.org Subject: Re: unionfs and nullfs combination Message-ID: <6a3bc22c-b203-2bda-c822-cb80b9368037@gmx.com> In-Reply-To: <20170219115633.GW13006@home.opsec.eu> References: <72a56f7e-8e71-2b98-0978-6de863013ce5@gmx.com> <20170219115633.GW13006@home.opsec.eu>
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Hi Kurt, On 02/19/2017 12:56 PM, Kurt Jaeger wrote: > We had this running with FreeBSD 6.x, but unionfs had issues, > among them the whiteout problem. I am not sure exactly when unionfs was re-written... Sometime during 7-CURRENT but I am not sure if everything was backported to 6. >> It seems like a very relevant feature nowadays, when people >> use all these cloud-based systems, which oftentimes have little >> resources to run ZFS and UFS is most likely a better choice... > > Funny, I have the impression that disk space, RAM and CPU are > plenty compared to the past, so I would prefer ZFS anytime now. > Our next jail box will probably use ZFS dedup with lots of RAM. > Very true. And I love ZFS. I am talking about cloud installations where VM are created and destroyed in a fast pace and are mostly small like 1GB of RAM. UFS is very relevant for such installations. And being able to be cloud-friendly is a good thing:) Nikos
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