Date: Fri, 19 Jul 2019 18:45:20 +0200 From: Domagoj =?UTF-8?Q?Smol=C4=8Di=C4=87?= <rank1seeker@gmail.com> To: Wojciech Puchar <wojtek@puchar.net> Cc: freebsd-hackers@freebsd.org Subject: Re: please help translate smartctl output to human language Message-ID: <20190719184520.0000221d@gmail.com> In-Reply-To: <alpine.BSF.2.20.1907191528030.85832@puchar.net> References: <alpine.BSF.2.20.1907182125130.39161@puchar.net> <20190719142227.00005348@gmail.com> <alpine.BSF.2.20.1907191528030.85832@puchar.net>
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On Fri, 19 Jul 2019 15:29:04 +0200 (CEST) Wojciech Puchar <wojtek@puchar.net> wrote: > >> freebsd-hackers@freebsd.org mailing list > >> https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > >> To unsubscribe, send any mail to > >> "freebsd-hackers-unsubscribe@freebsd.org" =20 > > > > > > Integers representing VALUE, WORST and THRESH columns are > > "normalized values". Over time, VALUE of Total_LBAs_Written will be > > declining. Once it reaches THRESH value it is considered 'Old_age', > > meaning it's prone to all kinds of malfunctions expected from old > > hardware. That doesn't mean you want be able to use it afterwards. > > > > > > > > =20 > but are this proportional? I mean i had 100 when drive was new, now > it's 99 so it's 1% used up (maybe near 2%)? >=20 > Seems quite a little after 2 years of usage As I said, those are "normalized" values in order to have a MORE sensible i= nterpretation. Different vendors =3D> different interpretation. Just because it decremented for 1, doesn't mean it is trully 1% used up. What would that mean anyway, wear level? Also don't be shocked if decrement would be in >1 step. Finally, your device might drop dead 5 min after you read this email. Got an idea? ;) Domagoj Smol=C4=8Di=C4=87=20
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