[lustre-discuss] upgrading zfs back end file system lustre doesn't mount anymore

Mohr Jr, Richard Frank (Rick Mohr) rmohr at utk.edu
Mon Jun 8 13:31:38 PDT 2015

> On Jun 8, 2015, at 4:18 PM, Kurt Strosahl <strosahl at jlab.org> wrote:
> I reinstalled the original lustre modules, which were the stock lustre rpms I downloaded from intel.
> I guess then I lucked out and used the same version of zfs that the the rpms were compiled against the first time.

While I have never tried what you are describing, I am just assuming that changing the ZFS version will require a rebuild of Lustre.  The error messages you reported reminded me of similar errors I have seen on a couple of occasions where OFED was upgraded on a system, but Lustre was not rebuilt against the new version.

Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences

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