Date: Mon, 15 Jan 2018 21:47:48 +0700 From: Victor Sudakov <vas@mpeks.tomsk.su> To: Manish Jain <bourne.identity@hotmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Dualboot and ZFS Message-ID: <20180115144747.GA65526@admin.sibptus.transneft.ru> In-Reply-To: <VI1PR02MB1200C7F0066F361E60A6CBEDF6EB0@VI1PR02MB1200.eurprd02.prod.outlook.com> References: <20180115051308.GA45168@admin.sibptus.transneft.ru> <VI1PR02MB12007D071EA5398373D2189CF6EB0@VI1PR02MB1200.eurprd02.prod.outlook.com> <20180115125241.GB60956@admin.sibptus.transneft.ru> <VI1PR02MB1200C7F0066F361E60A6CBEDF6EB0@VI1PR02MB1200.eurprd02.prod.outlook.com>
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Manish Jain wrote: > > > Sorry if my question was misleading, I did not mean converting the > > existing system from UFS to ZFS at ada0s3. Suppose ada0s3 is an unused > > slice, I can probably create a zpool thereon. But a few questions > > remain: > > > > 1. Can I install a root-on-zfs system on ada0s3 with bsdinstall? I > > suppose not? > > That's right. You cannot install ZFS onto an MBR slice. ZFS by default > needs an entire disk, partitioned GPT. However, later you suggest it's possible to install freebsd-zfs on a BSD slice. How is that? > > > Why are you creating a zpool within a BSD "a" partition, and not in > > da0s1 directly? I have never seen such a configuration. Is it even > > possible to set the "freebsd-zfs" type on a BSD partition? > > I presume you are using MBR partitioning. Under MBR, freebsd slices are > always nested. The slice contains partitions denoted with a, b and so on. > > I do not think it is viable to set freebsd-zfs on an MBR slice. It just > will not work. ZFS needs an entire disk. If you wish to install on an > MBR slice, you must use rsync after installing freebsd-UFS. Do you mean to say it's viable to install freebsd-zfs on ada0s3a but not viable on ada0s3 ? I don't see logic here. -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN AS43859
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