hammer pfs-destroy failed: Directory not empty

[lhmwzy]

#cd /pfs
#ln -s @@-1:00004 test
# hammer pfs-upgrade /pfs/test
pfs-upgrade of PFS#4 () failed: Directory not empty

Also this error.


2014-03-28 20:02 GMT+08:00 lhmwzy <lhmwzy at gmail.com>:

>  uname -a:
> DragonFly reli.com 3.6-RELEASE DragonFly v3.6.1.7.ga64375-RELEASE #0: Thu
> Mar 13 10:56:17 CST 2014     lhm at reli.com:/usr/obj/usr/src/sys/lhmwzy
> x86_64
>
>
> # mount
> ROOT on / (hammer, local)
> devfs on /dev (devfs, local)
> /dev/da0s1a on /boot (ufs, local)
> /pfs/@@-1:00001 on /var (null, local)
> /pfs/@@-1:00002 on /tmp (null, local)
> /pfs/@@-1:00003 on /usr (null, local)
> /pfs/@@-1:00008 on /home (null, local)
> /pfs/@@-1:00005 on /usr/obj (null, local)
> /pfs/@@-1:00006 on /var/crash (null, local)
> /pfs/@@-1:00007 on /var/tmp (null, local)
> procfs on /proc (procfs, local)
>
> # hammer info
> Volume identification
>         Label               ROOT
>         No. Volumes         1
>         FSID                0155c2ba-a8f9-11e3-90ec-010c29f0c123
>         HAMMER Version      6
> Big block information
>         Total           14902
>         Used              438 (2.94%)
>         Reserved           23 (0.15%)
>         Free            14441 (96.91%)
> Space information
>         No. Inodes     212220
>         Total size       116G (125007036416 bytes)
>         Used             3.4G (2.94%)
>         Reserved         184M (0.15%)
>         Free             113G (96.91%)
> PFS information
>         PFS ID  Mode    Snaps  Mounted on
>              0  MASTER      0  /
>              1  MASTER      7  /var
>              2  MASTER      0  /tmp
>              3  MASTER      7  /usr
>              4  SLAVE       -  not mounted
>              5  MASTER      0  /usr/obj
>              6  MASTER     17  /var/crash
>              7  MASTER      0  /var/tmp
>              8  MASTER     15  /home
>
>  ll /pfs
> total 0
> lrwxr-xr-x  1 root  wheel  10 Mar 20 10:08 home -> @@-1:00008
> lrwxr-xr-x  1 root  wheel  10 Mar 11 16:42 tmp -> @@-1:00002
> lrwxr-xr-x  1 root  wheel  10 Mar 11 16:42 usr -> @@-1:00003
> lrwxr-xr-x  1 root  wheel  10 Mar 11 16:42 usr.obj -> @@-1:00005
> lrwxr-xr-x  1 root  wheel  10 Mar 11 16:42 var -> @@-1:00001
> lrwxr-xr-x  1 root  wheel  10 Mar 11 16:42 var.crash -> @@-1:00006
> lrwxr-xr-x  1 root  wheel  10 Mar 11 16:42 var.tmp -> @@-1:00007
>
> but
>  # hammer pfs-destroy /pfs/@@-1:00004
> You have requested that PFS#4 () be destroyed
> This will irrevocably destroy all data on this PFS!!!!!
> Do you really want to do this? y
> Destroying PFS #4 () in  5 4 3 2 1.. starting destruction pass
> pfs-destroy of PFS#4 failed: Directory not empty
>
>
> Why and how to destroy PFS #4?
>
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