Date: Mon, 8 Apr 2019 16:10:56 -0400 From: Mike Tancsa <mike@sentex.net> To: Carl Johnson <carlj@peak.org>, freebsd-questions@freebsd.org Subject: Re: mounting from zfs:zroot/ROOT/default failed with error 45 (solved!) Message-ID: <f81e156b-16dc-2649-9ca9-733f8ae5f937@sentex.net> In-Reply-To: <86ftqsqzbu.fsf@elm.localnet> References: <98a58bad-56ea-c598-2944-e4c70c2841a3@sentex.net> <a9983106-c8c3-5d4d-f1c0-b90bff86d950@sentex.net> <d04de27b-ef00-1ec8-7c1f-534400a4e453@sentex.net> <724a9bc6-4dd1-f383-b1c7-8cfb564c1bfd@cyberleo.net> <d2596939-69cc-cd88-4a60-7612cd33dd4d@sentex.net> <86ftqsqzbu.fsf@elm.localnet>
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On 4/8/2019 11:41 AM, Carl Johnson wrote: > Mike Tancsa <mike@sentex.net> writes: > >> However, there doesnt seem to be a way to create the pool with feature= s >> disabled. The man page seems to imply that as well, at least on FreeBS= D >> ? And trying to set it implies that as well. > At least on FreeBSD-12 there is the -d option for 'zpool create'. From= > the zpool manpage: > > -d Do not enable any features on the new pool. Individua= l > features can be enabled by setting their corresponding= > properties to enabled with the -o option. See > zpool-features(7) for details about feature properties= =2E > > Thanks so much, that did the trick!!!=C2=A0 This is great, it saves a gre= at deal of time being able to do this right on the file server.=C2=A0 I was = able to create the zfs device on RELENG_12, gzcat .. | zfs recv=C2=A0 it and t= hen boot up the new VM nice and quick. For the archives, here are the steps I did.=C2=A0 Starting with a backup = of the file system made with Send the contents of =C2=A0send -Rv zroot@fullsnapshot=C2=A0 to a file on a backup server. e.g. I did this over nfs send -Rv zroot@fullsnapshot > /nfsbackup/zroot.zfs cp -p /boot/gptzfsboot=C2=A0 /nfsbackup/gptzfsboot.releng10 cp -p=C2=A0 /boot/pmbr /nfsbackup/pmbr.releng10 On the nfs server where you are going to create the VM image suitable for importing into KVM truncate -s 1TB server.img mdconfig -f server.img gpart create -s gpt md0 gpart add -s 512 -t freebsd-boot md0 gpart add -s 1G -t freebsd-swap md0 gpart add -t freebsd-zfs md0 gpart bootcode -b pmbr.releng10 -p gptzfsboot.releng10 -i 1 md0 zpool create -d -f -o altroot=3D/mnt2 -O canmount=3Doff -m none zroot /de= v/md0p3 cat zroot.zfs | zfs recv -vF zroot zpool import -f -o altroot=3D/mnt2=C2=A0 zroot zpool set bootfs=3Dzroot/ROOT/default zroot zpool export zroot mdconfig -d -u 0 The resultant file server.img can then be imported into your hypervisor (in this case, KVM) ---Mike --=20 ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada =20
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