Date: Fri, 19 Dec 2008 12:52:53 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: David N <davidn04@gmail.com> Cc: questions@freebsd.org Subject: Re: Backing Up ZFS Message-ID: <20081219125123.G1595@wojtek.tensor.gdynia.pl> In-Reply-To: <4d7dd86f0812181647n7fb63aabi86baf8417bfa3966@mail.gmail.com> References: <4d7dd86f0812181647n7fb63aabi86baf8417bfa3966@mail.gmail.com>
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> As ZFS is becoming more stable and approaching production ready, how > would one "Backup" ZFS? In terms of backing up to an external media or > storage rather than doing snapshots. In case the the server > spontaneously bursts into flames. use tar it's filesystem independent if you have tape drives. actually you can tar to anything even multivolume backup using USB connected drivers. > I'm just curious at what others are currently doing to back up huge > amounts of data. eg. 2TB and onwards. > > 1. ZFS -> External HDD (External HDD aren't even big enough to handle > greater than 2TB) Taken offsite daily > 2. ZFS -> Another ZFS box (Not sure how you take it off site daily) > 3. ZFS -> Remote ZFS using RSync (Living in Australia, there are > limits on data transfer of a few hundred GB per month, to costs are > prohibitive) you don't require your backup target to have ZFS. all your 3 solutions are filesystem-independent
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