Ominous smartd messages ....

[William A. Mahaffey III]

On 08/02/16 23:05, David Christensen wrote:
> On 08/02/2016 08:41 PM, William A. Mahaffey III wrote:
>> ... 8 1 TB HDD's in a ZFS unmirrored pool. ...
>> Aug  1 23:09:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  1 23:39:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 00:09:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 00:39:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 01:09:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 01:39:58 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 02:09:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 02:39:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 03:09:59 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> Aug  2 03:39:58 devbox smartd[835]: Device: /dev/ada5, 8 Currently
>> unreadable (pending) sectors
>> ... The
>> HDD's were brand new 2.5" SATA3 7200 RPM HGST's, which I have had good
>> luck with in other builds (I have about 25 in service, all purchased new
>> from NewEgg for each build). Case is well ventilated, drives are cool,
>> etc. ...
>> My question is: Are these messages benign, or am I in the market for
>> more hardware ? *ANY* more questions, please ask. TIA & have a good one.
> HBA's can fail.

No separate HBA, 8 SATA3 slots on the mbd. Definitely hope that's *NOT* 
the problem :-/ ....

>
> Cables can fail; usually, it's the connection/ connector.  Re-seating
> cables can fix problems.  Connections should feel solid.  If not,
> install a new cable and recycle the old one.
>
>
> I assume there is some utility on BSD to read and pretty-print the
> smartd information (?).

No, I wrote a small script to do that ....

>
> I would download the HGST Windows Drive Fitness Test (WinDFT) and use it
> to test all the drives.  Ideally, by removing your BSD system drive,
> installing a Windows system drive, installing WinDFT, and running WinDFT
> before, during, and after you mess with the hardware.
>
>
> David
>
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>

No separate system drive, ZFS root as per wiki. That last option sounds 
destructive, right ? Any other options short of that ? Thanks & TIA ....

-- 

	William A. Mahaffey III

  ----------------------------------------------------------------------

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.