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Bug#707262: zfsutils: zdb fails with error message "zdb: can't open '<pool name>': Value too large for defined data type"



Joel Lopes Da Silva <joel@lopes-da-silva.com> writes:
> Whenever I run zdb as root on Debian GNU/kFreeBSD Wheezy, it fails with the
> following error message:
>
>     # zdb tank
>     zdb: can't open 'tank': Value too large for defined data type
>
> I'm trying to use zdb to determine the ashift value of my pool, but this bug
> prevents me from accessing that property of the pool.

I can reproduce this failure here

-- System Information:
Debian Release: 7.0
  APT prefers stable
  APT policy: (500, 'stable'), (500, 'oldstable')
Architecture: kfreebsd-amd64 (x86_64)

Kernel: kFreeBSD 9.0-2-amd64
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages zfsutils depends on:
ii  libbsd0     0.4.2-1
ii  libc0.1     2.13-38
ii  libgeom1    9.0+ds1-4
ii  libnvpair1  9.0-3
ii  libumem1    9.0-3
ii  libuutil1   9.0-3
ii  libzfs1     9.0-3
ii  libzpool1   9.0-3

Versions of packages zfsutils recommends:
ii  cron  3.0pl1-124

> I found other reports of this bug on a Google Groups discussion for the ZFS on
> Linux project:
> https://groups.google.com/a/zfsonlinux.org/forum/?fromgroups=#!topic/zfs-discuss/2w2GgKjEyhk
>
> According to that discussion:
>
>     "A fix for this error was recently committed to the zfs git repo, so
>     you may want to give the latest code a try."
>
> I'm not sure which git repo the author had in mind though.

I'll definitely look into that, thanks for the hint!

    Christoph

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