[ZFS] files in a weird situtation

[Adam Vande More]

On Sat, Dec 17, 2016 at 3:01 PM, David Marec <david.marec at davenulle.org>
wrote:

> [I had first posted onto the Forum about this issue]
>
> Two months ago,
>
> - next to a call to |`||delete-old-libs`| or `install world`, I don't
> really know -
>
> my box that is following FreeBSD-11 Stable ran into a weird situation.
>
> A set of files, especially `/lib/libjail.so.1` are in both states
> `existing` and `not existing`:
>
> I means:
>
>         david:~>cp ~david/libjail.so.1 /lib
>         cp: /lib/libjail.so.1: File exists
>
> But:
>
>         david:~>ls /lib/libjail.so.1
>         ls: /lib/libjail.so.1: No such file or directory
>         david:~>find /lib -name "libjail.so.1" -print
> /lib/libjail.so.1
>         david:~>find /lib -name "libjail.so.1" -ls
>         find: /lib/libjail.so.1: No such file or directory
>
> With deeper investigation, the file is in fact mapped to an `inode`:
>
>         root at dmarec:~ # ls -di /lib
>         13 /lib
>         root at dmarec:~ # zdb -dddd zroot/ 13 | grep libjail.so.1
>         libjail.so.1 = 10552574 (type: Regular File)
>
> Which fails with `zdb` on:
>
>         root at dmarec:~ # zdb -dddd zroot/ 10552574
>         Dataset zroot [ZPL], ID 21, cr_txg 1, 114G, 2570002 objects, rootbp
>         DVA[0]=<0:b97d6ea00:200> DVA[1]=<0:1c212b0400:200> [L0 DMU objset]
>         fletcher4 lz4 LE contiguous unique double size=800L/200P
>         birth=3852240L/3852240P fill=2570002
> cksum=17b78fb7e4:7c87a526a07:16251edfaae60:2ce0c5734ccf2f
>
>     Object  lvl   iblk   dblk  dsize  lsize   %full type
>         zdb: dmu_bonus_hold(10552574) failed, errno 2
>
>
> `stat (2)` returns ENOENT when checking for the file:
>          david:~>truss stat -L /lib/libjail.so.1
>         ...
>         stat("/lib/libjail.so.1",0x7fffffffe7e8)         ERR#2 'No such
> file or
>         directory'    david:~>truss stat -L /lib/libjail.so.1
>
> A pass with `zfs scrub` didn't help.
>
> Any clue is welcome. What's that `dmu_bonus_hold` stands for ?
>

I am unable to understand what your intent is here.  If you wish to delete
it, you can do:

find . -inum 10552574 -exec rm {} \;

-- 
Adam