Hi - I've lost about 20 TB from our DPM. We have defined a pool with a total capacity of 100.03TB. This pool was operating as expected until very recently, when a gus ticket pointed out that some of the ATLAS spacetokens had negative free space. If I total up the amount of Capacity reported by the spacetokens belonging to the pool, I get just over 77TB. Previously this matched the value of reserved space, which is still reported as being just shy of 100 TB. I've tried rebooting, re-running yaim and re-adding the filesystems to the pool, without success. I've also tried writing to all of the filesystems - no problems reported so far. How can I find out more about the lost space? Cheers, Chris -- West 326 Physics and Astronomy University of Birmingham Edgbaston Birmingham B15 2TT (Office) 0121 414 4700 (Mobile) 0798 666 1959