On Dec 07, 2006  00:48 +0100, Roland Fehrenbacher wrote:
> Thanks for your fast reply. I did what you suggested, and the highest
> object ID found by the ls /mnt/ost/O/0/d* was 9413754. So I changed
> /mnt/ost/O/0/LAST_ID accordingly but obtain the following error when
> restarting the OST:
> 
> [27965.722794] LustreError: 28694:0:(filter.c:2409:filter_should_precreate()) 
> ASSERTION(diff >= 0)failed:ost4-2: 9413692 - 9413754 = -62
> [27965.722803] LustreError: 28694:0:(filter.c:2409:filter_should_precreate()) 
> LBUG

Delete all of the objects > 9413692.  They should all be zero-length
objects.  Also update LAST_ID to be the same value.

You didn't do anything wrong, it's just that this can happen one of two
ways, and I picked the wrong way to fix it the first time.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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