Date: Fri, 05 Apr 2013 16:07:26 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: "Peter Maloney" <peter.maloney@brockmann-consult.de>, "Joar Jegleim" <joar.jegleim@gmail.com> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: Regarding regular zfs Message-ID: <op.wu2muowl8527sy@ronaldradial.versatec.local> In-Reply-To: <CAFfb-hpz2wR9ad0yqO7vip6m5nGwmniwsZpf2UZ2pTgVfrFSOQ@mail.gmail.com> References: <CAFfb-hpt4iKSb0S2fgQ16Hp51KLWJew1Se32yX1cUPYi6pp72g@mail.gmail.com> <8B0FFF01-B8CC-41C0-B0A2-58046EA4E998@my.gd> <515EB744.5000607@brockmann-consult.de> <CAFfb-hpz2wR9ad0yqO7vip6m5nGwmniwsZpf2UZ2pTgVfrFSOQ@mail.gmail.com>
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On Fri, 05 Apr 2013 15:02:12 +0200, Joar Jegleim <joar.jegleim@gmail.com> wrote: > You make some interesting points . > I don't _think_ the script 'causes more than 1 zfs write at a time, and > I'm > sure 'nothing else' is doing that neither . But I'm gonna check that out > because it does sound like a logical explanation. > I'm wondering if the rsync from the receiving server (that is: the backup > server is doing rsync from the zfs receive server) could 'cause the same > problem, it's only reading though ... > > > Do you run the rsync from a snapshot or from the 'live' filesystem? The live one changes during zfs receive. I don't know if that has anything to do with your problem, but rsync from a snapshot gives a consistent backup anyway. BTW: It is probably more simple for you to test if the rsync is related to the problem, than for other people to theorize about it here. Ronald.
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