[Lustre-discuss] will obdfilter-survey destroy an already formatted file system

Dilger, Andreas andreas.dilger at intel.com
Thu Mar 21 17:18:24 PDT 2013

On 2013/21/03 4:09 AM, "Michael Kluge" <Michael.Kluge at tu-dresden.de> wrote:
>I have read through the documentation for obdfilter-survey but could not
>found any information on how invasive the test is. Will it destroy an
>already formatted OST or render user data unusable?

It shouldn't - the obdfilter-survey uses a different object sequence (2)
compared to normal filesystem objects (currently always 0), so the two do
not collide.

Cheers, Andreas
Andreas Dilger

Lustre Software Architect
Intel High Performance Data Division

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