From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0 Description of problem: iostat will only show disk devices, and does not list tape devices. Version-Release number of selected component (if applicable): sysstat-4.0.7-4.EL3.3 How reproducible: Always Steps to Reproduce: 1. iostat -x /dev/st0 2. 3. Actual Results: [root@unbutest db]# iostat -x /dev/st0 Linux 2.4.21-4.ELsmp (unbutest.nsg.stercomm.com) 02/09/05 avg-cpu: %user %nice %sys %idle 0.20 0.00 1.53 98.27 Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util Expected Results: should have seen statistics for /dev/st0 Additional info:
This is NOTABUG. iostat is only meant to show statistics for block devices, and /dev/st0 is a character device: [nhorman@hmsdreadnought nhorman]$ ls -l /dev/st0 crw-rw---- 1 root disk 9, 0 Jun 24 2004 /dev/st0