Dear Brad Campbell, In message <4F1AECB8.6020905@xxxxxxxxxxxxxxx> you wrote: > > If you've got no reallocations, SMART tells you the drive is ok and you are not noticing any odd > behaviour the chances of the drive being in distress are pretty slim. Agreed. That's also what I do: routinely check for reallocated sectors. This is what it looks when a disk is slowly dying: --- previous 2011-12-24 19:18:02.117252227 +0100 +++ latest 2011-12-25 07:18:02.332549299 +0100 @@ -1,4 +1,5 @@ ... -=== /dev/sdb : ST31000340AS S/N 9QJ5DS23 OK +=== /dev/sdb : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** + Reallocated Sectors: 20 --- previous 2011-12-26 07:18:01.948581196 +0100 +++ latest 2011-12-26 19:18:01.968947510 +0100 @@ -1,5 +1,5 @@ ... === /dev/sdb : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** - Reallocated Sectors: 20 + Reallocated Sectors: 31 --- previous 2011-12-31 19:18:02.009911235 +0100 +++ latest 2012-01-01 07:18:02.678021034 +0100 ... === /dev/sdb : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** - Reallocated Sectors: 31 + Reallocated Sectors: 33 --- previous 2012-01-09 19:18:02.433054750 +0100 +++ latest 2012-01-10 07:18:02.207395854 +0100 @@ -1,7 +1,4 @@ ... === /dev/sdb : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** - Reallocated Sectors: 33 + Reallocated Sectors: 34 --- previous 2012-01-10 19:18:02.502390238 +0100 +++ latest 2012-01-11 07:18:02.147518681 +0100 ... === /dev/sdb : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** - Reallocated Sectors: 34 + Reallocated Sectors: 71 --- previous 2012-01-11 19:18:02.502390238 +0100 +++ latest 2012-01-12 07:18:02.147518681 +0100 ... === /dev/sdc : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** - Reallocated Sectors: 71 + Reallocated Sectors: 103 --- previous 2012-01-14 19:18:01.773819479 +0100 +++ latest 2012-01-15 07:18:02.414494003 +0100 ... === /dev/sdb : ST31000340AS S/N 9QJ5DS23 *** ERRORS *** - Reallocated Sectors: 103 + Reallocated Sectors: 127 If you see such behaviour you really want to replace the drive. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@xxxxxxx What's the sound a name makes when it's dropped? -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
