Date: Wed, 3 Aug 2016 14:20:47 -0453.75 From: "William A. Mahaffey III" <wam@hiwaay.net> To: freebsd-questions@freebsd.org Subject: Re: Ominous smartd messages .... Message-ID: <b20550ac-1637-07d4-20dc-7cdc3a5173a9@hiwaay.net> In-Reply-To: <020caa94-b329-d5a6-5bd4-bfcc575c039f@freebsd.org> References: <e5a65f8a-27a0-65e7-42db-28bef824e0c0@hiwaay.net> <020caa94-b329-d5a6-5bd4-bfcc575c039f@freebsd.org>
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On 08/03/16 07:24, Matthew Seaman wrote:
> On 08/03/16 04:41, William A. Mahaffey III wrote:
>> 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.
> It doesn't look particularly good. Do you run the smartd selftests at
> all? Worth giving that a go --
>
> # smartctl -t long /dev/ada5
>
> This can be done while the disk is in use without upsetting anything.
> It will scan the disk for unreadable areas. The disk does have a number
> of spare sectors it can use instead of any broken ones, but it generally
> needs to see a failed write to the affected area to trigger the
> substitution mechanism. Once you run out of substitute sectors, the
> disk is basically toast and should be replaced. With modern drives,
> seeing that mechanism in use at all typically means the drive is on the
> downward spiral and you should plan on replacing it PDQ.
>
> Cheers,
>
> Matthew
>
>
OK, after completion of the above command, I got the following:
[root@devbox, /etc, 2:18:44pm] 372 % smartctl -l selftest /dev/ada5
smartctl 6.4 2015-06-04 r4109 [FreeBSD 9.3-RELEASE-p33 amd64] (local build)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed: read failure 90% 6671
167940256
[root@devbox, /etc, 2:18:57pm] 373 %
What does this mean ?
--
William A. Mahaffey III
----------------------------------------------------------------------
"The M1 Garand is without doubt the finest implement of war
ever devised by man."
-- Gen. George S. Patton Jr.
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