Deleting data from Inventory cube based on posting Data

Dear Experts,

In our inventory cube , we have got records posted between in 26.11.2012 and 28.11.2012 twice. These requests are compressed also.

Now we want to correct these materials values . As we cannot have selective deletion based on Posting data, we are left with no other option but to again reload the whole data of more than 10 years.

Any other suggestion by experts??

Thanks,

Sumit