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Date:      Mon, 6 May 2019 11:27:18 +0200
From:      "Patrick M. Hausen" <hausen@punkt.de>
To:        Walter Cramer <wfc@mintsol.com>
Cc:        Michelle Sullivan <michelle@sorbs.net>, freebsd-stable@freebsd.org, Karl Denninger <karl@denninger.net>
Subject:   Re: ZFS...
Message-ID:  <41FA461B-40AE-4D34-B280-214B5C5868B5@punkt.de>
In-Reply-To: <20190430102024.E84286@mulder.mintsol.com>
References:  <30506b3d-64fb-b327-94ae-d9da522f3a48@sorbs.net> <CAOtMX2gf3AZr1-QOX_6yYQoqE-H%2B8MjOWc=eK1tcwt5M3dCzdw@mail.gmail.com> <56833732-2945-4BD3-95A6-7AF55AB87674@sorbs.net> <3d0f6436-f3d7-6fee-ed81-a24d44223f2f@netfence.it> <17B373DA-4AFC-4D25-B776-0D0DED98B320@sorbs.net> <70fac2fe3f23f85dd442d93ffea368e1@ultra-secure.de> <70C87D93-D1F9-458E-9723-19F9777E6F12@sorbs.net> <CAGMYy3tYqvrKgk2c==WTwrH03uTN1xQifPRNxXccMsRE1spaRA@mail.gmail.com> <5ED8BADE-7B2C-4B73-93BC-70739911C5E3@sorbs.net> <d0118f7e-7cfc-8bf1-308c-823bce088039@denninger.net> <2e4941bf-999a-7f16-f4fe-1a520f2187c0@sorbs.net> <20190430102024.E84286@mulder.mintsol.com>

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Hi!

> Am 30.04.2019 um 18:07 schrieb Walter Cramer <wfc@mintsol.com>:
> With even a 1Gbit ethernet connection to your main system, savvy use =
of (say) rsync (net/rsync in Ports), and the sort of "know your data / =
divide & conquer" tactics that Karl mentions, you should be able to =
complete initial backups (on both backup servers) in <1 month.  After =
that - rsync can generally do incremental backups far, far faster.

ZFS can do incremental snapshots and send/receive much faster than rsync
on the file level. And e.g. FreeNAS comes with all the bells and =
whistles already
in place - just a matter of point and click to replicate one set of =
datasets on one
server to another one =E2=80=A6

*Local* replication is a piece of cake today, if you have the hardware.

Kind regards,
Patrick
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