zfstools zfs-auto-snapshot issue

[Nikos Vassiliadis]

Hi David,

On 01.08.19 06:18, David Christensen wrote:
> freebsd-questions:
> 
> I have a FreeBSD SOHO server:
> 
> 2019-07-31 19:09:20 toor at soho ~
> # freebsd-version ; uname -a
> 11.2-RELEASE-p11
> FreeBSD soho.tracy.holgerdanske.com 11.2-RELEASE-p11 FreeBSD 
> 11.2-RELEASE-p11 #0: Tue Jul  2 21:24:25 UTC 2019 
> root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> 
> It has ZFS pools and filesystems:
> 
> 2019-07-31 20:14:56 toor at soho /var/log
> # zfs list | head
> NAME                                             USED  AVAIL  REFER 
> MOUNTPOINT
> bootpool                                         333M   499M   333M 
> /bootpool
> soho_zroot                                      2.71G  8.43G    88K 
> /soho_zroot
> soho_zroot/ROOT                                 1.47G  8.43G   132K  none
> soho_zroot/ROOT/default                         1.47G  8.43G  1.47G  /
> soho_zroot/tmp                                   156K  8.43G   156K  /tmp
> soho_zroot/usr                                  1.23G  8.43G   132K  /usr
> soho_zroot/usr/home                              464K  8.43G   464K 
> /usr/home
> soho_zroot/usr/ports                            1.23G  8.43G  1.23G 
> /usr/ports
> soho_zroot/usr/src                               132K  8.43G   132K 
> /usr/src
> 
> 
> I have installed:
> 
> 2019-07-31 19:17:21 toor at soho ~
> # pkg query -x '%n %v' zfs
> zfstools 0.3.6_1
> 
> 
> I have set the com.sun:auto-snapshot property on all pools and filesystems:
> 
> 2019-07-31 20:14:59 toor at soho /var/log
> # zfs get -t filesystem com.sun:auto-snapshot | head
> NAME                                            PROPERTY 
> VALUE                  SOURCE
> bootpool                                        com.sun:auto-snapshot 
> TRUE                   local
> soho_zroot                                      com.sun:auto-snapshot 
> TRUE                   local
> soho_zroot/ROOT                                 com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> soho_zroot/ROOT/default                         com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> soho_zroot/tmp                                  com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> soho_zroot/usr                                  com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> soho_zroot/usr/home                             com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> soho_zroot/usr/ports                            com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> soho_zroot/usr/src                              com.sun:auto-snapshot 
> TRUE                   inherited from soho_zroot
> 
> 
> If I run zfs-auto-snapshot manually:
> 
> 2019-07-31 19:22:09 toor at soho ~
> # zfs-auto-snapshot -d -v frequent 20
> zfs list -H -t filesystem,volume -o 
> name,type,com.sun:auto-snapshot:frequent,com.sun:auto-snapshot,mounted 
> -s name
> zfs list -r -H -t snapshot -o name,used -S name
> 
> 
> I do not see any snapshots:
> 
> 2019-07-31 19:23:06 toor at soho ~
> # ls -a /bootpool/.zfs/snapshot/
> .    ..
> 
> 2019-07-31 19:23:35 toor at soho ~
> # ls -a /soho_zroot/.zfs/snapshot/
> .    ..
> 
> 
> If I create a snapshot manually:
> 
> 2019-07-31 19:23:40 toor at soho ~
> # zfs snapshot -r bootpool at manual-snapshot-20190731-1924
> 
> 
> It works:
> 
> 2019-07-31 19:28:08 toor at soho ~
> # ls -la /bootpool/.zfs/snapshot/
> total 1
> dr-xr-xr-x+ 3 root  wheel  3 Jul 31 19:27 .
> dr-xr-xr-x+ 3 root  wheel  3 May 23 22:21 ..
> drwxr-xr-x  3 root  wheel  3 May 23 22:21 manual-snapshot-20190731-1924
> 
> 
> I do not see any relevant messages under /var/log.
> 
> 
> I am unable to find any recent bug reports for zfstools:
> 
> https://bugs.freebsd.org/bugzilla/buglist.cgi?quicksearch=zfstools
> 
> Zero bugs found.
> 
> 
> Any ideas?


I think the property's value should be true, not TRUE.

OT:
Cool tool. I use zfsnap2 extensively but good to know about zfstools!

Nikos