1.SH 2Sync Copy and WORM Copy Processes 3.PP 4The 5.CW scp 6process 7wakes up every ten seconds and 8issues writes to blocks in the buffer cache 9that have been modified. 10This is done automatically on important 11console commands such as 12.CW halt 13and 14.CW dump . 15.PP 16The 17.CW wcp 18process also wakes up every ten seconds 19and tries to copy a 20.CW dump 21block from the cache to the WORM. 22As long as there are 23.CW dump 24blocks to copy and there is no competition for 25the WORM device, 26the copy will continue at full speed. 27Whenever there is competition for the WORM 28or there are no more blocks to 29copy, 30then the process will sleep ten seconds 31before looking again. 32.PP 33The HP WORM jukebox consists of 34238 disks divided into 476 sides 35or platters. 36Platter 0 is the 37.I A 38side of disk 0. 39Platter 1 is the 40.I A 41side of the disk 1. 42Platter 238 is the 43.I B 44side of disk 0. 45On Emelie, 46the main file system is configured 47on both sides of the first 237 disks, 48platters 0\-236 and 238\-474. 49