Date: Wed, 3 Aug 2016 17:39:37 +0100 From: Ken Moffat <zarniwhoop@ntlworld.com> To: freebsd-questions@freebsd.org Subject: Re: Ominous smartd messages .... Message-ID: <20160803163937.GA21629@milliways.localdomain> In-Reply-To: <10b1ff8b-c738-3cee-30bb-9812f75436c1@hiwaay.net> References: <e5a65f8a-27a0-65e7-42db-28bef824e0c0@hiwaay.net> <020caa94-b329-d5a6-5bd4-bfcc575c039f@freebsd.org> <10b1ff8b-c738-3cee-30bb-9812f75436c1@hiwaay.net>
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On Wed, Aug 03, 2016 at 07:37:50AM -0453, William A. Mahaffey III wrote: > 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 > > > > Thanks, I kicked that off just now, it says it will take 169 min. to > complete, so we'll see. No more new messages overnight, maybe my luck is > good .... > I agree with Matthew, and since your custom script seemed to ignore all the items which I regard as relevant, after the long test has finished run smartctl -a on that drive and look at things like Reallocated Sector Count and Pending (if that is still present). plus any other error fields. ĸen -- `I shall take my mountains', said Lu-Tze. `The climate will be good for them.' -- Small Gods
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