Re: How does one add a zpool name to either /etc/zfs/zpool.cache or /boot/zfs/zpool.cache ?

Van: Dennis Clarke <dclarke@blastwave.org>
Datum: 14 augustus 2025 20:55
Aan: freebsd-current@freebsd.org
Onderwerp: How does one add a zpool name to either /etc/zfs/zpool.cache or /boot/zfs/zpool.cache ?

> 
> 
> 
> After a reboot I have a zpool missing. I have to import it manually.
> 
> The script /etc/rc.d/zpool seems to be the culprit in that it
> processes two zpool cache files :
> 
> t#
> t# cat /etc/rc.d/zpool
> #!/bin/sh
> #
> #
> 
> # PROVIDE: zpool
> # REQUIRE: hostid disks
> # BEFORE: mountcritlocal
> # KEYWORD: nojail
> 
> . /etc/rc.subr
> 
> name="zpool"
> desc="Import ZPOOLs"
> rcvar="zfs_enable"
> start_cmd="zpool_start"
> required_modules="zfs"
> 
> zpool_start()
> {
>          local cachefile
> 
>          for cachefile in /etc/zfs/zpool.cache /boot/zfs/zpool.cache; do
>                  if [ -r $cachefile ]; then
>                          zpool import -c $cachefile -a -N
>                          if [ $? -ne 0 ]; then
>                                  echo "Import of zpool cache ${cachefile} failed," 
>                                      "will retry after root mount hold release"
>                                  root_hold_wait
>                                  zpool import -c $cachefile -a -N
>                          fi
>                          break
>                  fi
>          done
> }
> 
> load_rc_config $name
> run_rc_command "$1"
> t#
> 
> However neither of those cache files seem to hold information about
> anything other than the pool created during installation.
> 
> There is a cachefile property in a zpool but that vanishes after a
> reboot.
> 
> So then .. whats the magic here?
> 
> 
> -- 
> --
> Dennis Clarke
> RISC-V/SPARC/PPC/ARM/CISC
> UNIX and Linux spoken
> 
> 
> 
> 
> 
> 


Hi,

You have a similar question here.

https://lists.freebsd.org/archives/freebsd-current/2024-November/006736.html

Is this about the same machine/setup?

Do the replies in that thread answer your current question about the cachefile property?

Regards,
Ronald