Resets systemwide I/O caching statistics for the extended file cache (XFC). OPER privilege is required to execute this command. Format SET CACHE/RESET
1 – Example
$ SHOW MEMORY/CACHE System Memory Resources on 22-AUG-2001 11:22:22.50 Extended File Cache (Time of last reset: 16-AUG-2001 11:16:24.96) Allocated (Mbytes) 151.39 Maximum size (Mbytes) 1024.00 Free (Mbytes) 0.21 Minimum size (Mbytes) 0.23 In use (Mbytes) 151.18 Write hit rate 0% Read hit rate 97% Write I/O count 5321 Read I/O count 208052 Write hit count 0 Read hit count 203761 Writes bypassing cache 0 Reads bypassing cache 1787 Vols in Full XFC mode 0 Files cached open 316 Vols in VIOC Compatible mode 1 Files cached closed 300 Vols in No Caching mode 0 Read/Write ratio 97% Vols in Perm. No Caching mode 0 This example shows the cache statistics prior to issuing the SET CACHE/RESET command. $ SET CACHE/RESET This command resets the cache statistics and updates the timestamp. $ SHOW MEMORY/CACHE System Memory Resources on 22-AUG-2001 11:27:41.11 Extended File Cache (Time of last reset: 22-AUG-2001 11:27:37.76) Allocated (Mbytes) 151.39 Maximum size (Mbytes) 1024.00 Free (Mbytes) 0.21 Minimum size (Mbytes) 0.23 In use (Mbytes) 151.18 Write hit rate 0% Read hit rate 100% Write I/O count 0 Read I/O count 9 Write hit count 0 Read hit count 9 Writes bypassing cache 0 Reads bypassing cache 0 Vols in Full XFC mode 0 Files cached open 316 Vols in VIOC Compatible mode 1 Files cached closed 300 Vols in No Caching mode 0 Read/Write ratio 100% Vols in Perm. No Caching mode 0 This example shows the reset cache statistics and the modified timestamp.