Date: Sat, 6 Feb 2016 21:48:37 -0600 From: Matthew Grooms <mgrooms@shrew.net> To: freebsd-virtualization@freebsd.org Subject: Re: Question about bhyve disk images Message-ID: <56B6BE95.5000507@shrew.net> In-Reply-To: <56B69A83.3080406@redbarn.org> References: <E97C216F-6808-44F3-8AF6-0D1F51BEB9A5@ultra-secure.de> <56B69A83.3080406@redbarn.org>
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On 2/6/2016 7:14 PM, Paul Vixie wrote: > > Rainer Duffner wrote: >> Hi, >> >> is it possible to increase the size of these images (after creation, >> and while the guest OS is running)? > > there is no driver-layer signal to tell the guest OS that a drive just > got larger, so the guest OS would have to poll, or be told to sense. > > with freebsd 10 as the guest OS, i've been able to use growfs to make > it expand the the hog (last) file system on a virtual drive. but i did > it by shutting down the guest, growing the zvol, booting the guest, > and running growfs inside the guest. i havn't tried avoiding the > shutdown and reboot. > I'm not sure if bhyve reports the current backing file size as the virtual block device size after it's been increased. But if it does, this may be useful ... https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204901 -Matthew
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