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Date:      Thu, 10 Sep 2020 20:51:46 -0700
From:      David Christensen <dpchrist@holgerdanske.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: ZFS snapshot - rollback problem
Message-ID:  <54720a77-5a14-06f9-c146-17e1e8f8a99e@holgerdanske.com>
In-Reply-To: <CADZBGL4C83JyMqHNP5A_aUV%2BddXxbd2F7RtCQhox4dCKKQAqLw@mail.gmail.com>
References:  <CADZBGL4C83JyMqHNP5A_aUV%2BddXxbd2F7RtCQhox4dCKKQAqLw@mail.gmail.com>

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On 2020-09-10 07:18, Ludovit Koren wrote:
> Hi,

Hello. :-)


> I have the following configuration:
> 
> ~>uname -a
> FreeBSD XxX 11.3-STABLE FreeBSD 11.3-STABLE #1 r354607: Mon Nov 11
> 12:19:28 CET 2019     root@jedi:/usr/obj/usr/src/sys/HP  amd64

Thank you for posting that.


Do you understand the difference between RELEASE and STABLE?

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html


> ~>zfs list
> NAME              USED  AVAIL  REFER  MOUNTPOINT
> zroot             244G      0  10.7G  /mnt
> zroot/Centos8    6.80G  4.13G  2.67G  -
> zroot/msw7       44.9G  25.8G  19.1G  -
> zroot/swapdisk0  40.8G  20.6G  20.2G  -
> zroot/usr         131G      0  50.9G  /usr
> zroot/usr/home   80.1G      0  80.1G  /usr/home
> zroot/var        9.94G      0  9.94G  /var


I do not understand how your system can work at all if the root 
filesystem is mounted at /mnt (?).  Is your FreeBSD running on a 
different disc?  Do you have a multiple system disks, multi-boot, etc.?


> After zfs snapshot, which I did on the root, 

Please post your console session.


Please run the following commands and post the console session:

# camcontrol devlist

# gpart show

# mount

# zpool status


David



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