IO latency statistic still incorrect. I suppose it because the agent incorrect forms metrics. It uses command iostat -Cx, in our system it returns next output root@rfo-dbo01-sp1> [~]# iostat -Cx 1 5 extended device statistics device r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b c0 11814.7 781.2 157546.6 19907.8 0.6 5.5 0.0 0.4 0 19 sd0 0.0 4.3 1.1 18.6 0.0 0.0 0.0 0.3 0 0 sd1 1557.4 95.5 21589.9 2477.7 0.2 0.8 0.1 0.5 0 37 sd2 1817.6 95.4 23673.0 2472.0 0.1 0.8 0.0 0.4 0 39 sd3 1475.6 95.4 20680.1 2477.4 0.1 0.7 0.1 0.5 0 36 sd4 1800.2 94.4 23442.4 2464.1 0.0 0.8 0.0 0.4 0 39 sd5 6.7 56.3 92.4 555.8 0.0 0.0 0.0 0.3 0 0 sd6 1473.6 94.2 20672.2 2451.6 0.0 0.7 0.0 0.5 0 36 sd7 2191.6 94.7 26204.4 2456.4 0.1 0.9 0.1 0.4 0 42 sd8 1491.1 95.2 21080.3 2465.5 0.1 0.7 0.0 0.5 0 36 sd9 0.4 41.3 10.1 1727.3 0.0 0.0 0.0 0.3 0 1 sd10 0.0 0.3 0.1 0.7 0.0 0.0 0.0 0.2 0 0 sd11 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.1 0 0 sd12 0.3 12.1 49.1 207.7 0.0 0.0 0.0 0.7 0 0 sd13 0.2 2.0 51.2 132.8 0.0 0.0 0.0 0.4 0 0 nfs1 323.4 53.1 9593.6 1478.6 0.0 0.3 0.0 0.9 0 22 extended device statistics device r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b c0 31777.4 1442.6 274095.8 16888.0 0.0 13.4 0.0 0.4 0 41 sd0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd1 3887.5 7.0 33535.7 55.9 0.0 1.8 0.0 0.5 1 82 sd2 4722.1 45.9 41729.8 1046.2 0.0 1.9 0.0 0.4 1 82 sd3 4855.8 381.4 43375.0 4684.1 0.0 2.0 0.0 0.4 1 84 sd4 4486.4 468.2 38503.1 4561.8 0.0 2.0 0.0 0.4 1 81 sd5 0.0 445.2 0.0 2573.7 0.0 0.1 0.0 0.3 0 1 sd6 3463.2 10.0 29709.9 79.9 0.0 1.6 0.0 0.5 0 78 sd7 5576.6 10.0 45792.7 2611.6 0.0 2.0 0.0 0.4 1 87 sd8 4785.9 6.0 41450.1 95.8 0.0 1.9 0.0 0.4 1 82 sd9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd12 0.0 68.9 0.0 1179.0 0.0 0.0 0.0 0.7 0 1 sd13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 nfs1 389.3 106.8 12140.5 2702.4 0.0 0.5 0.0 1.1 0 43 extended device statistics device r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b c0 31429.9 2045.6 260289.7 41989.3 0.0 14.8 0.0 0.4 0 41 sd0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd1 4213.7 228.0 34970.9 3763.8 0.0 2.0 0.0 0.5 1 80 sd2 4897.6 690.9 40843.6 6820.6 0.0 2.3 0.0 0.4 1 86 sd3 3788.9 164.7 30913.8 4177.5 0.0 2.0 0.0 0.5 1 79 sd4 4949.8 298.3 41462.1 4184.1 0.0 2.2 0.0 0.4 1 84 sd5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd6 3880.3 146.6 32006.4 1924.1 0.0 2.0 0.0 0.5 1 79 sd7 5674.8 148.6 45949.9 1799.6 0.0 2.2 0.0 0.4 1 85 sd8 4024.9 205.9 34143.3 6404.9 0.0 2.1 0.0 0.5 1 81 sd9 0.0 162.7 0.0 12914.7 0.0 0.1 0.0 0.4 0 2 sd10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 nfs1 397.7 143.6 12362.4 3599.2 0.0 0.7 0.0 1.2 0 45 extended device statistics device r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b c0 31809.7 771.5 260594.0 14334.8 0.0 14.3 0.0 0.4 0 41 sd0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd1 4126.8 301.2 33574.8 6407.3 0.0 2.1 0.0 0.5 1 82 sd2 4878.3 18.0 39987.1 152.1 0.0 2.0 0.0 0.4 1 84 sd3 3934.7 17.0 32077.8 192.1 0.0 1.9 0.0 0.5 1 79 sd4 4857.3 20.0 39426.7 176.1 0.0 2.1 0.0 0.4 1 85 sd5 4.0 0.0 3.0 0.0 0.0 0.0 0.0 0.4 0 0 sd6 4190.8 22.0 34519.5 3394.3 0.0 2.0 0.0 0.5 1 81 sd7 5580.8 10.0 45164.2 88.1 0.0 2.1 0.0 0.4 1 85 sd8 4236.9 382.3 35840.4 3920.7 0.0 2.1 0.0 0.5 1 83 sd9 0.0 1.0 0.0 4.0 0.0 0.0 0.0 0.4 0 0 sd10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 nfs1 371.3 156.1 11335.1 2682.6 0.0 0.5 0.0 1.0 0 46 extended device statistics device r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b c0 26457.3 573.1 216753.7 12997.1 0.0 11.0 0.0 0.4 0 38 sd0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd1 3144.7 77.0 25710.0 1269.3 0.0 1.4 0.0 0.4 0 73 sd2 4187.0 12.0 34432.1 1680.4 0.0 1.6 0.0 0.4 1 78 sd3 3103.7 4.0 25430.0 32.0 0.0 1.4 0.0 0.4 0 71 sd4 4276.0 14.0 34768.2 4097.0 0.0 1.7 0.0 0.4 1 80 sd5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd6 3080.7 107.0 25526.0 1709.4 0.0 1.4 0.0 0.4 0 71 sd7 5122.2 357.1 41480.3 4193.0 0.0 1.9 0.0 0.3 1 84 sd8 3542.8 2.0 29407.0 16.0 0.0 1.5 0.0 0.4 0 73 sd9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 sd13 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 nfs1 377.1 156.0 11314.4 3986.7 0.0 0.7 0.0 1.3 0 49 All devices presented from same storage root@rfo-dbo01-sp1> [~]# format Searching for disks...done AVAILABLE DISK SELECTIONS: 0. c0t624A93704BD85A28B01E452F0001861Dd0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001861d 1. c0t624A93704BD85A28B01E452F0001861Ed0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001861e 2. c0t624A93704BD85A28B01E452F0001861Fd0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001861f 3. c0t624A93704BD85A28B01E452F0001862Dd0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001862d 4. c0t624A93704BD85A28B01E452F0001863Ad0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001863a 5. c0t624A93704BD85A28B01E452F0001863Bd0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001863b 6. c0t624A93704BD85A28B01E452F0001863Cd0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001863c 7. c0t624A93704BD85A28B01E452F0001872Dd0 /scsi_vhci/disk@g624a93704bd85a28b01e452f0001872d 8. c0t624A93704BD85A28B01E452F00018620d0 /scsi_vhci/disk@g624a93704bd85a28b01e452f00018620 9. c0t624A93704BD85A28B01E452F00018636d0 /scsi_vhci/disk@g624a93704bd85a28b01e452f00018636 10. c0t624A93704BD85A28B01E452F00018637d0 /scsi_vhci/disk@g624a93704bd85a28b01e452f00018637 11. c0t624A93704BD85A28B01E452F00018638d0 /scsi_vhci/disk@g624a93704bd85a28b01e452f00018638 12. c0t624A93704BD85A28B01E452F00018639d0 /scsi_vhci/disk@g624a93704bd85a28b01e452f00018639 13. c0t624A93704BD85A28B01E452F00018776d0 /scsi_vhci/disk@g624a93704bd85a28b01e452f00018776 Specify disk (enter its number):