Date: Mon, 08 Dec 2014 15:44:24 -0800 From: Pete Wright <pete@nomadlogic.org> To: freebsd-virtualization@freebsd.org Subject: Re: backups of bhyve images Message-ID: <548637D8.1060608@nomadlogic.org> In-Reply-To: <CAG=rPVcZc_xs44mXsE%2BPrBsu9CC863HerkvqDQPTxNUEO-V4gQ@mail.gmail.com> References: <20141208163358.GA52969@potato.growveg.org> <33053EB5-91C5-4036-8CC2-34103E33A0FA@mu.org> <CAG=rPVcZc_xs44mXsE%2BPrBsu9CC863HerkvqDQPTxNUEO-V4gQ@mail.gmail.com>
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On 12/08/14 15:30, Craig Rodrigues wrote: > (3) When you want to backup the VM, do a "zfs snapshot" take take a > snapshot of the ZFS zvol. will this ensure that your zvol is consistent, or rather will the filesystem overlaid on the zvol device be ensured it is consistent when the hypervisor issues a snapshot command? it's been a while since i've done this - but IIRC on NetApp WAFL systems (which are similar to zfs in terms of being a COW filesystem) you need to ensure the guest filesystem is in a consistent state before issuing a snapshot from it's parent. my data may be out of date since it's been several years since i've done this though... cheers, -pete -- Pete Wright pete@nomadlogic.org twitter => @nomadlogicLA
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