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Mon, 20 May 2019 05:09:10 -0400 (EDT) Date: Mon, 20 May 2019 10:09:08 +0100 From: tech-lists To: freebsd-stable@freebsd.org Subject: Re: trying to expand a zvol-backed bhyve guest which is UFS Message-ID: <20190520090907.GA36068@rpi3.zyxst.net> Mail-Followup-To: freebsd-stable@freebsd.org References: <20190520014645.GC6971@rpi3.zyxst.net> <54BFD570-E9B9-49A5-8785-2D80D4FC05D1@gromit.dlib.vt.edu> <20190520024517.GA23482@rpi3.zyxst.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="T4sUOijqQbZv57TR" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) X-Rspamd-Queue-Id: 21EB06CBC3 X-Spamd-Bar: --------- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=zyxst.net header.s=fm2 header.b=tIzIUXei; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=jpG4gSHN; spf=pass (mx1.freebsd.org: domain of tech-lists@zyxst.net designates 66.111.4.26 as permitted sender) smtp.mailfrom=tech-lists@zyxst.net X-Spamd-Result: default: False [-9.08 / 15.00]; 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charset=us-ascii; format=flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, May 19, 2019 at 10:17:35PM -0500, Adam wrote: >On Sun, May 19, 2019 at 9:47 PM tech-lists wrote: > >> Thanks very much to you both, all sorted now. I didn't realise there was >> a 2TB limit for MBR either. Can I shrink the 4TB to 2TB on the zfs side >> without scrambling the ufs on the guest? >> > >You can snapshot the zvol to be safe, but you should be able to shrink it >to the existing partition size. If it's a sparse zvol, it may not may that >much difference. The zvol has about 515GB data. Hopefully zfs is smart enough to shrink to the MBR boundary. --=20 J. --T4sUOijqQbZv57TR Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE8n3tWhxW11Ccvv9/s8o7QhFzNAUFAlzibqoACgkQs8o7QhFz NAXaExAAlFzBSaPJ9bmvXx8v4J5fkZ88i2FjG3Pr3NwqgxHf2gB7wngO/ieNsBBN kTWnt6kRlKxV//yZi/CW34lYwRl8qxz7gAMid+DogCWAS8ySq7D0gi1RR4+LKkeo ZpWgLiRPBjO3hbkiMWpQFha5BvakVoBu5FNQbhb2OgRGSgTL5bbKb8maz4tNr2Md Ll2TnQgootK+ovhgdMQPAXgVURdbZHaZBNGvkg77u+6BAt6RdSLSShv+P8DIU5Ne ODXmcX604HCXKEi5SRlNrpQL4Kt7mmt1BnL8ykrrxIT7znhtuHCc8yY1KDM4Hfcq g2gMBtJKs/KEfY+x/oNleqtGtqDtWuo71tcZVa0TG1MI0mN9l4WmD95b6ddXK0oa YnfITs4mDJZsIi24uT4qCvrA4+t/C0k/6vqdE6eVkUO+Dmc4ckZ0BlA8d4zBYduA GjnJy8CxUhAcFhw9hMSdlhun03Hkkwp+mwQIJOEm3xovgf67dAhwKfZwRp5C5Ao3 c5xHdy6lbAMkgMtT5L4LiCOHwBd3BAxqYFr2FCmpQ9IsYHh2OD1v87B8NluLwNdU dipvG1jnj7G9mUFwbs0YyvaOSZ1FczCgFI/Ys4WbJeRLqGNLlvODEM2bKA5tVZdW 0nxcBg6OdEE+mFfW/DoRIYD/FcY0wGjXTKFSEfWis06OQyziZrk= =utQk -----END PGP SIGNATURE----- --T4sUOijqQbZv57TR--