ZFS snapshot - rollback problem
Christoph Brinkhaus
c.brinkhaus at t-online.de
Thu Sep 10 16:54:17 UTC 2020
On Thu, Sep 10, 2020 at 06:25:56PM +0200, Ludovit Koren wrote:
> On Thursday, September 10, 2020, Christoph Brinkhaus <
> c.brinkhaus at t-online.de> wrote:
>
> > On Thu, Sep 10, 2020 at 05:08:26PM +0200, Ludovit Koren wrote:
> > > On Thursday, September 10, 2020, Christoph Brinkhaus <
> > > c.brinkhaus at t-online.de> wrote:
> > >
> > > > On Thu, Sep 10, 2020 at 04:18:39PM +0200, Ludovit Koren wrote:
> >
> > Dear Ludovit,
> >
> > I make one comment here and some below.
> > > > > Hi,
> > > > >
> > > > > 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 at jedi:/usr/obj/usr/src/sys/HP amd64
> > > > > ~>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
> > > > >
> > Can it be that the disk is just full?
> > It might make sense to disable swap temporary and free that space
> > to help the system to recover.
> >
> >
> Swap is not in use. When I run zfs destroy -r zroot/swapdisk0, I get:
> internal error: Numerical argument out of domain
> Abort trap
Dear Ludovit,
I am running out of ideas. swapinfo shows no use of swap?
May be you should first delete the snapshot of zroot/swapdisk0 at 200909.
If that does not work you might have to boot from a different medium
as the USB installer stick and handle the pool when it is inactive.
Kind regards,
Christoph
>
> Regards,
>
> lk
>
>
> > > > > After zfs snapshot, which I did on the root, I got:
> > > > > ~>zfs list -t snapshot
> > > > > NAME USED AVAIL REFER MOUNTPOINT
> > > > > zroot at 200909 1K - 10.7G -
> > > > > zroot/Centos8 at 200909 1K - 2.67G -
> > > > > zroot/msw7 at 200909 1K - 19.1G -
> > > > > zroot/swapdisk0 at 200909 0 - 20.2G -
> > > > > zroot/usr at 200909 1K - 50.9G -
> > > > > zroot/usr/home at 200909 1K - 80.1G -
> > > > > zroot/var at 200909 1K - 9.94G -
> > > > >
> > > > > i.e. whole filesystem is read only. I am not able to do neither
> > > > > rollback, nor destroy of the snapshot. Is there any possibility to
> > > > > reset the filesystem to the read-write mode?
> > > >
> > > > I do not see there if it is read only or not.
> > > > To change the readyonly property:
> > > > zfs set readonly=off
> > > >
> > > > Mount to make it effective:
> > > > zfs mount -a
> > > > >
> > > > > Any help is greatly appreciated.
> > > > I hope my notes are correct and help you.
> > > >
> > > > If it would be so easy... The problem is the snapshot is over the zfs
> > root
> > > file system. And on the snapshot I cannot change the property. Here are
> > > options:
> > >
> > >
> > > ~>zfs get all
> > > NAME PROPERTY VALUE
> > SOURCE
> > > zroot type filesystem -
> > > zroot creation Mon May 27 23:30 2013 -
> > > zroot used 244G -
> > > zroot available 0 -
> > > zroot referenced 10.7G -
> > > zroot compressratio 1.00x -
> > > zroot mounted yes -
> > > zroot quota none
> > default
> > > zroot reservation none
> > default
> > > zroot recordsize 128K
> > default
> > > zroot mountpoint /mnt
> > local
> > > zroot sharenfs off
> > default
> > > zroot checksum fletcher4
> > local
> > > zroot compression off
> > default
> > > zroot atime on
> > default
> > > zroot devices on
> > default
> > > zroot exec on
> > default
> > > zroot setuid on
> > default
> > > zroot readonly off
> > local
> > readyonly=off means read/write. It should be ok and is similar on my
> > box. The source here is default but not local. May be at that time
> > this setting has been default.
> > > zroot jailed off
> > default
> > > zroot snapdir hidden
> > default
> > > zroot aclmode discard
> > default
> > > zroot aclinherit restricted
> > default
> > > zroot createtxg 1 -
> > > zroot canmount on
> > default
> > > zroot xattr off
> > temporary
> > > zroot copies 1
> > default
> > > zroot version 5 -
> > > zroot utf8only off -
> > > zroot normalization none -
> > > zroot casesensitivity sensitive -
> > > zroot vscan off
> > default
> > > zroot nbmand off
> > default
> > > zroot sharesmb off
> > default
> > > zroot refquota none
> > default
> > > zroot refreservation none
> > default
> > > zroot guid 15663691137267636586 -
> > > zroot primarycache all
> > default
> > > zroot secondarycache all
> > default
> > > zroot usedbysnapshots 1K -
> > > zroot usedbydataset 10.7G -
> > > zroot usedbychildren 234G -
> > > zroot usedbyrefreservation 0 -
> > > zroot logbias latency
> > default
> > > zroot dedup off
> > default
> > > zroot mlslabel -
> > > zroot sync standard
> > default
> > > zroot refcompressratio 1.00x -
> > > zroot written 1K -
> > > zroot logicalused 193G -
> > > zroot logicalreferenced 10.7G -
> > > zroot volmode default
> > default
> > > zroot filesystem_limit none
> > default
> > > zroot snapshot_limit none
> > default
> > > zroot filesystem_count none
> > default
> > > zroot snapshot_count none
> > default
> > > zroot redundant_metadata all
> > default
> > > zroot at 200909 type snapshot -
> > > zroot at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot at 200909 used 1K -
> > > zroot at 200909 referenced 10.7G -
> > > zroot at 200909 compressratio 1.00x -
> > > zroot at 200909 devices on
> > default
> > > zroot at 200909 exec on
> > default
> > > zroot at 200909 setuid on
> > default
> > > zroot at 200909 createtxg 20490195 -
> > > zroot at 200909 xattr on
> > default
> > > zroot at 200909 version 5 -
> > > zroot at 200909 utf8only off -
> > > zroot at 200909 normalization none -
> > > zroot at 200909 casesensitivity sensitive -
> > > zroot at 200909 nbmand off
> > default
> > > zroot at 200909 guid 2206615480070071196 -
> > > zroot at 200909 primarycache all
> > default
> > > zroot at 200909 secondarycache all
> > default
> > > zroot at 200909 defer_destroy off -
> > > zroot at 200909 userrefs 0 -
> > > zroot at 200909 mlslabel -
> > > zroot at 200909 refcompressratio 1.00x -
> > > zroot at 200909 written 10.7G -
> > > zroot at 200909 clones -
> > > zroot at 200909 logicalreferenced 10.7G -
> > > zroot at 200909 volmode default
> > default
> > > zroot/Centos8 type volume -
> > > zroot/Centos8 creation Thu Oct 31 14:12 2019 -
> > > zroot/Centos8 used 6.80G -
> > > zroot/Centos8 available 4.13G -
> > > zroot/Centos8 referenced 2.67G -
> > > zroot/Centos8 compressratio 1.00x -
> > > zroot/Centos8 reservation none
> > default
> > > zroot/Centos8 volsize 4G
> > local
> > > zroot/Centos8 volblocksize 8K
> > default
> > > zroot/Centos8 checksum fletcher4
> > > inherited from zroot
> > > zroot/Centos8 compression off
> > default
> > > zroot/Centos8 readonly off
> > > inherited from zroot
> > > zroot/Centos8 createtxg 16467672 -
> > > zroot/Centos8 copies 1
> > default
> > > zroot/Centos8 refreservation 4.13G
> > local
> > > zroot/Centos8 guid 5814621169889103161 -
> > > zroot/Centos8 primarycache all
> > default
> > > zroot/Centos8 secondarycache all
> > default
> > > zroot/Centos8 usedbysnapshots 1K -
> > > zroot/Centos8 usedbydataset 2.67G -
> > > zroot/Centos8 usedbychildren 0 -
> > > zroot/Centos8 usedbyrefreservation 4.13G -
> > > zroot/Centos8 logbias latency
> > default
> > > zroot/Centos8 dedup off
> > default
> > > zroot/Centos8 mlslabel -
> > > zroot/Centos8 sync standard
> > default
> > > zroot/Centos8 refcompressratio 1.00x -
> > > zroot/Centos8 written 1K -
> > > zroot/Centos8 logicalused 2.66G -
> > > zroot/Centos8 logicalreferenced 2.66G -
> > > zroot/Centos8 volmode dev
> > local
> > > zroot/Centos8 snapshot_limit none
> > default
> > > zroot/Centos8 snapshot_count none
> > default
> > > zroot/Centos8 redundant_metadata all
> > default
> > > zroot/Centos8 at 200909 type snapshot -
> > > zroot/Centos8 at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot/Centos8 at 200909 used 1K -
> > > zroot/Centos8 at 200909 referenced 2.67G -
> > > zroot/Centos8 at 200909 compressratio 1.00x -
> > > zroot/Centos8 at 200909 devices on
> > default
> > > zroot/Centos8 at 200909 exec on
> > default
> > > zroot/Centos8 at 200909 setuid on
> > default
> > > zroot/Centos8 at 200909 createtxg 20490195 -
> > > zroot/Centos8 at 200909 xattr on
> > default
> > > zroot/Centos8 at 200909 nbmand off
> > default
> > > zroot/Centos8 at 200909 guid 10823844225552088614 -
> > > zroot/Centos8 at 200909 primarycache all
> > default
> > > zroot/Centos8 at 200909 secondarycache all
> > default
> > > zroot/Centos8 at 200909 defer_destroy off -
> > > zroot/Centos8 at 200909 userrefs 0 -
> > > zroot/Centos8 at 200909 mlslabel -
> > > zroot/Centos8 at 200909 refcompressratio 1.00x -
> > > zroot/Centos8 at 200909 written 2.67G -
> > > zroot/Centos8 at 200909 clones -
> > > zroot/Centos8 at 200909 logicalreferenced 2.66G -
> > > zroot/Centos8 at 200909 volmode dev
> > > inherited from zroot/Centos8
> > > zroot/msw7 type volume -
> > > zroot/msw7 creation Thu Feb 22 15:19 2018 -
> > > zroot/msw7 used 44.9G -
> > > zroot/msw7 available 25.8G -
> > > zroot/msw7 referenced 19.1G -
> > > zroot/msw7 compressratio 1.00x -
> > > zroot/msw7 reservation none
> > default
> > > zroot/msw7 volsize 25G
> > local
> > > zroot/msw7 volblocksize 8K
> > default
> > > zroot/msw7 checksum fletcher4
> > > inherited from zroot
> > > zroot/msw7 compression off
> > default
> > > zroot/msw7 readonly off
> > > inherited from zroot
> > > zroot/msw7 createtxg 10775012 -
> > > zroot/msw7 copies 1
> > default
> > > zroot/msw7 refreservation 25.8G
> > local
> > > zroot/msw7 guid 16581387537923661645 -
> > > zroot/msw7 primarycache all
> > default
> > > zroot/msw7 secondarycache all
> > default
> > > zroot/msw7 usedbysnapshots 1K -
> > > zroot/msw7 usedbydataset 19.1G -
> > > zroot/msw7 usedbychildren 0 -
> > > zroot/msw7 usedbyrefreservation 25.8G -
> > > zroot/msw7 logbias latency
> > default
> > > zroot/msw7 dedup off
> > default
> > > zroot/msw7 mlslabel -
> > > zroot/msw7 sync standard
> > default
> > > zroot/msw7 refcompressratio 1.00x -
> > > zroot/msw7 written 1K -
> > > zroot/msw7 logicalused 19.0G -
> > > zroot/msw7 logicalreferenced 19.0G -
> > > zroot/msw7 volmode dev
> > local
> > > zroot/msw7 snapshot_limit none
> > default
> > > zroot/msw7 snapshot_count none
> > default
> > > zroot/msw7 redundant_metadata all
> > default
> > > zroot/msw7 at 200909 type snapshot -
> > > zroot/msw7 at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot/msw7 at 200909 used 1K -
> > > zroot/msw7 at 200909 referenced 19.1G -
> > > zroot/msw7 at 200909 compressratio 1.00x -
> > > zroot/msw7 at 200909 devices on
> > default
> > > zroot/msw7 at 200909 exec on
> > default
> > > zroot/msw7 at 200909 setuid on
> > default
> > > zroot/msw7 at 200909 createtxg 20490195 -
> > > zroot/msw7 at 200909 xattr on
> > default
> > > zroot/msw7 at 200909 nbmand off
> > default
> > > zroot/msw7 at 200909 guid 3899706450355491715 -
> > > zroot/msw7 at 200909 primarycache all
> > default
> > > zroot/msw7 at 200909 secondarycache all
> > default
> > > zroot/msw7 at 200909 defer_destroy off -
> > > zroot/msw7 at 200909 userrefs 0 -
> > > zroot/msw7 at 200909 mlslabel -
> > > zroot/msw7 at 200909 refcompressratio 1.00x -
> > > zroot/msw7 at 200909 written 19.1G -
> > > zroot/msw7 at 200909 clones -
> > > zroot/msw7 at 200909 logicalreferenced 19.0G -
> > > zroot/msw7 at 200909 volmode dev
> > > inherited from zroot/msw7
> > This space can be used if swap is disabled.
> > At that time no resource hungry application should run of course.
> > > zroot/swapdisk0 type volume -
> > > zroot/swapdisk0 creation Mon Feb 13 11:03 2017 -
> > > zroot/swapdisk0 used 40.8G -
> > > zroot/swapdisk0 available 20.6G -
> > > zroot/swapdisk0 referenced 20.2G -
> > > zroot/swapdisk0 compressratio 1.00x -
> > > zroot/swapdisk0 reservation none
> > default
> > > zroot/swapdisk0 volsize 20G
> > local
> > > zroot/swapdisk0 volblocksize 8K
> > default
> > > zroot/swapdisk0 checksum fletcher4
> > > inherited from zroot
> > > zroot/swapdisk0 compression off
> > default
> > > zroot/swapdisk0 readonly off
> > > inherited from zroot
> > > zroot/swapdisk0 createtxg 8265142 -
> > > zroot/swapdisk0 copies 1
> > default
> > > zroot/swapdisk0 refreservation 20.6G
> > local
> > > zroot/swapdisk0 guid 12592813906271140067 -
> > > zroot/swapdisk0 primarycache all
> > default
> > > zroot/swapdisk0 secondarycache all
> > default
> > > zroot/swapdisk0 usedbysnapshots 0 -
> > > zroot/swapdisk0 usedbydataset 20.2G -
> > > zroot/swapdisk0 usedbychildren 0 -
> > > zroot/swapdisk0 usedbyrefreservation 20.6G -
> > > zroot/swapdisk0 logbias latency
> > default
> > > zroot/swapdisk0 dedup off
> > default
> > > zroot/swapdisk0 mlslabel -
> > > zroot/swapdisk0 sync standard
> > default
> > > zroot/swapdisk0 refcompressratio 1.00x -
> > > zroot/swapdisk0 written 0 -
> > > zroot/swapdisk0 logicalused 20.1G -
> > > zroot/swapdisk0 logicalreferenced 20.1G -
> > > zroot/swapdisk0 volmode geom
> > local
> > > zroot/swapdisk0 snapshot_limit none
> > default
> > > zroot/swapdisk0 snapshot_count none
> > default
> > > zroot/swapdisk0 redundant_metadata all
> > default
> > > zroot/swapdisk0 at 200909 type snapshot -
> > > zroot/swapdisk0 at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot/swapdisk0 at 200909 used 0 -
> > > zroot/swapdisk0 at 200909 referenced 20.2G -
> > > zroot/swapdisk0 at 200909 compressratio 1.00x -
> > > zroot/swapdisk0 at 200909 devices on
> > default
> > > zroot/swapdisk0 at 200909 exec on
> > default
> > > zroot/swapdisk0 at 200909 setuid on
> > default
> > > zroot/swapdisk0 at 200909 createtxg 20490195 -
> > > zroot/swapdisk0 at 200909 xattr on
> > default
> > > zroot/swapdisk0 at 200909 nbmand off
> > default
> > > zroot/swapdisk0 at 200909 guid 6778261312202608185 -
> > > zroot/swapdisk0 at 200909 primarycache all
> > default
> > > zroot/swapdisk0 at 200909 secondarycache all
> > default
> > > zroot/swapdisk0 at 200909 defer_destroy off -
> > > zroot/swapdisk0 at 200909 userrefs 0 -
> > > zroot/swapdisk0 at 200909 mlslabel -
> > > zroot/swapdisk0 at 200909 refcompressratio 1.00x -
> > > zroot/swapdisk0 at 200909 written 20.2G -
> > > zroot/swapdisk0 at 200909 clones -
> > > zroot/swapdisk0 at 200909 logicalreferenced 20.1G -
> > > zroot/swapdisk0 at 200909 volmode geom
> > > inherited from zroot/swapdisk0
> > > zroot/usr type filesystem -
> > > zroot/usr creation Mon May 27 23:31 2013 -
> > > zroot/usr used 131G -
> > > zroot/usr available 0 -
> > > zroot/usr referenced 50.9G -
> > > zroot/usr compressratio 1.00x -
> > > zroot/usr mounted yes -
> > > zroot/usr quota none
> > default
> > > zroot/usr reservation none
> > default
> > > zroot/usr recordsize 128K
> > default
> > > zroot/usr mountpoint /usr
> > local
> > > zroot/usr sharenfs off
> > default
> > > zroot/usr checksum fletcher4
> > > inherited from zroot
> > > zroot/usr compression off
> > default
> > > zroot/usr atime on
> > default
> > > zroot/usr devices on
> > default
> > > zroot/usr exec on
> > default
> > > zroot/usr setuid on
> > default
> > > zroot/usr readonly off
> > > inherited from zroot
> > > zroot/usr jailed off
> > default
> > > zroot/usr snapdir hidden
> > default
> > > zroot/usr aclmode discard
> > default
> > > zroot/usr aclinherit restricted
> > default
> > > zroot/usr createtxg 21 -
> > > zroot/usr canmount on
> > default
> > > zroot/usr xattr off
> > temporary
> > > zroot/usr copies 1
> > default
> > > zroot/usr version 5 -
> > > zroot/usr utf8only off -
> > > zroot/usr normalization none -
> > > zroot/usr casesensitivity sensitive -
> > > zroot/usr vscan off
> > default
> > > zroot/usr nbmand off
> > default
> > > zroot/usr sharesmb off
> > default
> > > zroot/usr refquota none
> > default
> > > zroot/usr refreservation none
> > default
> > > zroot/usr guid 3173040953131777265 -
> > > zroot/usr primarycache all
> > default
> > > zroot/usr secondarycache all
> > default
> > > zroot/usr usedbysnapshots 1K -
> > > zroot/usr usedbydataset 50.9G -
> > > zroot/usr usedbychildren 80.1G -
> > > zroot/usr usedbyrefreservation 0 -
> > > zroot/usr logbias latency
> > default
> > > zroot/usr dedup off
> > default
> > > zroot/usr mlslabel -
> > > zroot/usr sync standard
> > default
> > > zroot/usr refcompressratio 1.00x -
> > > zroot/usr written 1K -
> > > zroot/usr logicalused 131G -
> > > zroot/usr logicalreferenced 50.7G -
> > > zroot/usr volmode default
> > default
> > > zroot/usr filesystem_limit none
> > default
> > > zroot/usr snapshot_limit none
> > default
> > > zroot/usr filesystem_count none
> > default
> > > zroot/usr snapshot_count none
> > default
> > > zroot/usr redundant_metadata all
> > default
> > > zroot/usr at 200909 type snapshot -
> > > zroot/usr at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot/usr at 200909 used 1K -
> > > zroot/usr at 200909 referenced 50.9G -
> > > zroot/usr at 200909 compressratio 1.00x -
> > > zroot/usr at 200909 devices on
> > default
> > > zroot/usr at 200909 exec on
> > default
> > > zroot/usr at 200909 setuid on
> > default
> > > zroot/usr at 200909 createtxg 20490195 -
> > > zroot/usr at 200909 xattr on
> > default
> > > zroot/usr at 200909 version 5 -
> > > zroot/usr at 200909 utf8only off -
> > > zroot/usr at 200909 normalization none -
> > > zroot/usr at 200909 casesensitivity sensitive -
> > > zroot/usr at 200909 nbmand off
> > default
> > > zroot/usr at 200909 guid 15403344970624252860 -
> > > zroot/usr at 200909 primarycache all
> > default
> > > zroot/usr at 200909 secondarycache all
> > default
> > > zroot/usr at 200909 defer_destroy off -
> > > zroot/usr at 200909 userrefs 0 -
> > > zroot/usr at 200909 mlslabel -
> > > zroot/usr at 200909 refcompressratio 1.00x -
> > > zroot/usr at 200909 written 50.9G -
> > > zroot/usr at 200909 clones -
> > > zroot/usr at 200909 logicalreferenced 50.7G -
> > > zroot/usr at 200909 volmode default
> > default
> > > zroot/usr/home type filesystem -
> > > zroot/usr/home creation Mon May 27 23:33 2013 -
> > > zroot/usr/home used 80.1G -
> > > zroot/usr/home available 0 -
> > > zroot/usr/home referenced 80.1G -
> > > zroot/usr/home compressratio 1.00x -
> > > zroot/usr/home mounted yes -
> > > zroot/usr/home quota none
> > default
> > > zroot/usr/home reservation none
> > default
> > > zroot/usr/home recordsize 128K
> > default
> > > zroot/usr/home mountpoint /usr/home
> > local
> > > zroot/usr/home sharenfs off
> > default
> > > zroot/usr/home checksum fletcher4
> > > inherited from zroot
> > > zroot/usr/home compression off
> > default
> > > zroot/usr/home atime on
> > default
> > > zroot/usr/home devices on
> > default
> > > zroot/usr/home exec on
> > default
> > > zroot/usr/home setuid on
> > default
> > > zroot/usr/home readonly off
> > > inherited from zroot
> > > zroot/usr/home jailed off
> > default
> > > zroot/usr/home snapdir hidden
> > default
> > > zroot/usr/home aclmode discard
> > default
> > > zroot/usr/home aclinherit restricted
> > default
> > > zroot/usr/home createtxg 41 -
> > > zroot/usr/home canmount on
> > default
> > > zroot/usr/home xattr off
> > temporary
> > > zroot/usr/home copies 1
> > default
> > > zroot/usr/home version 5 -
> > > zroot/usr/home utf8only off -
> > > zroot/usr/home normalization none -
> > > zroot/usr/home casesensitivity sensitive -
> > > zroot/usr/home vscan off
> > default
> > > zroot/usr/home nbmand off
> > default
> > > zroot/usr/home sharesmb off
> > default
> > > zroot/usr/home refquota none
> > default
> > > zroot/usr/home refreservation none
> > default
> > > zroot/usr/home guid 16701701910904504413 -
> > > zroot/usr/home primarycache all
> > default
> > > zroot/usr/home secondarycache all
> > default
> > > zroot/usr/home usedbysnapshots 1K -
> > > zroot/usr/home usedbydataset 80.1G -
> > > zroot/usr/home usedbychildren 0 -
> > > zroot/usr/home usedbyrefreservation 0 -
> > > zroot/usr/home logbias latency
> > default
> > > zroot/usr/home dedup off
> > default
> > > zroot/usr/home mlslabel -
> > > zroot/usr/home sync standard
> > default
> > > zroot/usr/home refcompressratio 1.00x -
> > > zroot/usr/home written 1K -
> > > zroot/usr/home logicalused 80.0G -
> > > zroot/usr/home logicalreferenced 80.0G -
> > > zroot/usr/home volmode default
> > default
> > > zroot/usr/home filesystem_limit none
> > default
> > > zroot/usr/home snapshot_limit none
> > default
> > > zroot/usr/home filesystem_count none
> > default
> > > zroot/usr/home snapshot_count none
> > default
> > > zroot/usr/home redundant_metadata all
> > default
> > > zroot/usr/home at 200909 type snapshot -
> > > zroot/usr/home at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot/usr/home at 200909 used 1K -
> > > zroot/usr/home at 200909 referenced 80.1G -
> > > zroot/usr/home at 200909 compressratio 1.00x -
> > > zroot/usr/home at 200909 devices on
> > default
> > > zroot/usr/home at 200909 exec on
> > default
> > > zroot/usr/home at 200909 setuid on
> > default
> > > zroot/usr/home at 200909 createtxg 20490195 -
> > > zroot/usr/home at 200909 xattr on
> > default
> > > zroot/usr/home at 200909 version 5 -
> > > zroot/usr/home at 200909 utf8only off -
> > > zroot/usr/home at 200909 normalization none -
> > > zroot/usr/home at 200909 casesensitivity sensitive -
> > > zroot/usr/home at 200909 nbmand off
> > default
> > > zroot/usr/home at 200909 guid 14302389932766417239 -
> > > zroot/usr/home at 200909 primarycache all
> > default
> > > zroot/usr/home at 200909 secondarycache all
> > default
> > > zroot/usr/home at 200909 defer_destroy off -
> > > zroot/usr/home at 200909 userrefs 0 -
> > > zroot/usr/home at 200909 mlslabel -
> > > zroot/usr/home at 200909 refcompressratio 1.00x -
> > > zroot/usr/home at 200909 written 80.1G -
> > > zroot/usr/home at 200909 clones -
> > > zroot/usr/home at 200909 logicalreferenced 80.0G -
> > > zroot/usr/home at 200909 volmode default
> > default
> > > zroot/var type filesystem -
> > > zroot/var creation Mon May 27 23:40 2013 -
> > > zroot/var used 9.94G -
> > > zroot/var available 0 -
> > > zroot/var referenced 9.94G -
> > > zroot/var compressratio 1.00x -
> > > zroot/var mounted yes -
> > > zroot/var quota none
> > default
> > > zroot/var reservation none
> > default
> > > zroot/var recordsize 128K
> > default
> > > zroot/var mountpoint /var
> > local
> > > zroot/var sharenfs off
> > default
> > > zroot/var checksum fletcher4
> > > inherited from zroot
> > > zroot/var compression off
> > default
> > > zroot/var atime on
> > default
> > > zroot/var devices on
> > default
> > > zroot/var exec on
> > default
> > > zroot/var setuid on
> > default
> > > zroot/var readonly off
> > > inherited from zroot
> > > zroot/var jailed off
> > default
> > > zroot/var snapdir hidden
> > default
> > > zroot/var aclmode discard
> > default
> > > zroot/var aclinherit restricted
> > default
> > > zroot/var createtxg 133 -
> > > zroot/var canmount on
> > default
> > > zroot/var xattr off
> > temporary
> > > zroot/var copies 1
> > default
> > > zroot/var version 5 -
> > > zroot/var utf8only off -
> > > zroot/var normalization none -
> > > zroot/var casesensitivity sensitive -
> > > zroot/var vscan off
> > default
> > > zroot/var nbmand off
> > default
> > > zroot/var sharesmb off
> > default
> > > zroot/var refquota none
> > default
> > > zroot/var refreservation none
> > default
> > > zroot/var guid 15336045084130388053 -
> > > zroot/var primarycache all
> > default
> > > zroot/var secondarycache all
> > default
> > > zroot/var usedbysnapshots 1K -
> > > zroot/var usedbydataset 9.94G -
> > > zroot/var usedbychildren 0 -
> > > zroot/var usedbyrefreservation 0 -
> > > zroot/var logbias latency
> > default
> > > zroot/var dedup off
> > default
> > > zroot/var mlslabel -
> > > zroot/var sync standard
> > default
> > > zroot/var refcompressratio 1.00x -
> > > zroot/var written 1K -
> > > zroot/var logicalused 9.93G -
> > > zroot/var logicalreferenced 9.93G -
> > > zroot/var volmode default
> > default
> > > zroot/var filesystem_limit none
> > default
> > > zroot/var snapshot_limit none
> > default
> > > zroot/var filesystem_count none
> > default
> > > zroot/var snapshot_count none
> > default
> > > zroot/var redundant_metadata all
> > default
> > > zroot/var at 200909 type snapshot -
> > > zroot/var at 200909 creation Wed Sep 9 11:12 2020 -
> > > zroot/var at 200909 used 1K -
> > > zroot/var at 200909 referenced 9.94G -
> > > zroot/var at 200909 compressratio 1.00x -
> > > zroot/var at 200909 devices on
> > default
> > > zroot/var at 200909 exec on
> > default
> > > zroot/var at 200909 setuid on
> > default
> > > zroot/var at 200909 createtxg 20490195 -
> > > zroot/var at 200909 xattr on
> > default
> > > zroot/var at 200909 version 5 -
> > > zroot/var at 200909 utf8only off -
> > > zroot/var at 200909 normalization none -
> > > zroot/var at 200909 casesensitivity sensitive -
> > > zroot/var at 200909 nbmand off
> > default
> > > zroot/var at 200909 guid 12205140544561506623 -
> > > zroot/var at 200909 primarycache all
> > default
> > > zroot/var at 200909 secondarycache all
> > default
> > > zroot/var at 200909 defer_destroy off -
> > > zroot/var at 200909 userrefs 0 -
> > > zroot/var at 200909 mlslabel -
> > > zroot/var at 200909 refcompressratio 1.00x -
> > > zroot/var at 200909 written 9.94G -
> > > zroot/var at 200909 clones -
> > > zroot/var at 200909 logicalreferenced 9.93G -
> > > zroot/var at 200909 volmode default
> > default
> > >
> > >
> > >
> > > I am lost
> > >
> > > lk
> >
> > Please stop hungry applications as far as possible. Then swap should
> > become unnecessary and you can use the space to clean up.
> > From my understanding the setting readonly=off should not be the root
> > cause.
> >
> > I will you success! Be patient - as if it would be so easy...
> >
> > Kind regards,
> > Christoph
> > > _______________________________________________
> > > freebsd-questions at freebsd.org mailing list
> > > https://lists.freebsd.org/mailman/listinfo/freebsd-questions
> > > To unsubscribe, send any mail to "freebsd-questions-
> > unsubscribe at freebsd.org"
> >
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