I have a Seagate Barracuda 7200 RPM 500 GB, and tried MHDD just for curiosity, and after a full scan I got the following Log.
No errors found, but 13 warnings (LBA warning). Should I be worried about these warnings ? How to know what is this warning ?



13.06.2014 20:46:47
13.06.2014 20:46:47
13.06.2014 20:46:47 | MHDD 4.6 (c) Dmitry Postrigan | FREEWARE
13.06.2014 20:46:47 Changing mode to: IDE
13.06.2014 20:47:07
13.06.2014 20:47:07 MHDD>I
13.06.2014 20:47:08 ST3500418AS LBA: 976,773,168
13.06.2014 20:47:08 SN: 9VMTWMP7 FW: CC46
13.06.2014 20:47:14
13.06.2014 20:47:14 MHDD>EID
13.06.2014 20:47:14 ST3500418AS LBA: 976,773,168
13.06.2014 20:47:14 SN: 9VMTWMP7 FW: CC46
13.06.2014 20:47:33
13.06.2014 20:47:33 MHDD>DIR
13.06.2014 20:47:34
13.06.2014 20:47:34 MHDD>HELP
13.06.2014 20:49:17
13.06.2014 20:49:17 MHDD>MAKELOG
13.06.2014 20:49:17 Scan started
13.06.2014 20:49:17 MODE: IDE
13.06.2014 20:49:17 Making advanced log.
13.06.2014 20:49:17 Device: ST3500418AS
13.06.2014 20:49:17 F/W: CC46
13.06.2014 20:49:17 SN: 9VMTWMP7
13.06.2014 20:49:17 -------------------------------
13.06.2014 20:49:17 Lap : 1
13.06.2014 20:49:17 LBA scan: 0 to 976773167
13.06.2014 21:45:19 þ LBA Warning: 702167745
13.06.2014 21:45:21 þ LBA Warning: 702257250
13.06.2014 21:45:21 þ LBA Warning: 702257505
13.06.2014 21:45:25 þ LBA Warning: 702608640
13.06.2014 21:45:26 þ LBA Warning: 702608895
13.06.2014 21:45:27 þ LBA Warning: 702657090
13.06.2014 21:45:30 þ LBA Warning: 702974310
13.06.2014 21:45:31 þ LBA Warning: 703031175
13.06.2014 21:45:35 þ LBA Warning: 703409850
13.06.2014 21:45:46 þ LBA Warning: 704267670
13.06.2014 21:46:24 þ LBA Warning: 709810350
13.06.2014 21:46:24 þ LBA Warning: 709810605
13.06.2014 21:46:38 þ LBA Warning: 711342645
13.06.2014 22:12:50 Time spent: 01:23:31
13.06.2014 22:12:50 Blocks < 3ms = 3765234
13.06.2014 22:12:50 Blocks < 10ms = 53943
13.06.2014 22:12:50 Blocks < 50ms = 11174
13.06.2014 22:12:50 Blocks < 150ms = 120
13.06.2014 22:12:50 Blocks < 500ms = 13
13.06.2014 22:12:50 Blocks > 500ms = 0
13.06.2014 22:12:50 Errors: 0, Warnings: 13
13.06.2014 22:12:50 Done