---PHASE3 kill holder 879 (last close -> sgcleanup)---
             devbuf    1011   25.3M       0    390M    1.00K
             devbuf    1011   25.3M       0    390M    1.00K
crw-------  1 root  operator   31, 0x00000000 Oct 21 10:32 /dev/sg0