[Lustre-discuss] df -h question

[Wojciech Turek]

Most likely you have many orphaned objects on your old FS.

On 11 July 2012 18:34, Michael Kluge <Michael.Kluge at tu-dresden.de> wrote:
> Dear list,
>
> we are in the process of copying the whole content of a 1.6.7 Lustre FS
> to a 1.8.7 Lustre FS. For this I precreated all individual directories
> on the new FS to set striping information based on the #bytes/#files
> ratio. Then we used a parallel rsync to copy all directories over. All
> of this worked fine. Now, on the old FS the user data consumed 63 TB
> while on the new FS 'df -h' reports only 56 TB as used. I'm sure we
> copied all dirs and all rsyncs finished successfully.
>
> Is this difference expected if one moves from 1.6->1.8? Or did I miss
> something?
>
>
> Regards, Michael
>
> --
> Dr.-Ing. Michael Kluge
>
> Technische Universität Dresden
> Center for Information Services and
> High Performance Computing (ZIH)
> D-01062 Dresden
> Germany
>
> Contact:
> Willersbau, Room WIL A 208
> Phone:  (+49) 351 463-34217
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> e-mail: michael.kluge at tu-dresden.de
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>
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