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Groups > alt.folklore.computers > #151266

Re: New hard drive

From "Jim Thomas" <JT@nospam.com>
Newsgroups alt.folklore.computers
Subject Re: New hard drive
Date 2015-09-12 05:16 +1000
Message-ID <d5gnjoFjei6U1@mid.individual.net> (permalink)
References <mstass$3vb$2@dont-email.me> <d5g6nnFf5u4U1@mid.individual.net><1%BIx.48652$lq4.42332@fx10.iad> <msus31$v06$1@dont-email.me>

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"Dan Espen" <despen@verizon.net> wrote in message 
news:msus31$v06$1@dont-email.me...
> scott@slp53.sl.home (Scott Lurndal) writes:
>
>> "Osmium" <r124c4u102@comcast.net> writes:
>>>Does anyone have any idea at all as to what the raw error rate is on a
>>>current 4 TB drive?  That is before ECC and whatever other magic is 
>>>applied
>>>to it. ISTM the signal must be meaured in nanovolts.
>>
>> # smartctl --all /dev/sdc
>> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED 
>> WHEN_FAILED RAW_VALUE
>>   1 Raw_Read_Error_Rate     0x000f   108   099   006    Pre-fail 
>> s       -       19125192
>>   5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail 
>> s       -       0
>>   7 Seek_Error_Rate         0x000f   063   060   030    Pre-fail 
>> s       -       1897873
> ...
>> SMART Error Log Version: 1
>> No Errors Logged

> These numbers have never been clear to me.

Yes, they are quite complex.
https://en.wikipedia.org/wiki/S.M.A.R.T.

> How can the worst be 99, but the value 108?

> I would have thought 108 is cumulative since the last clear,

No.

> but there's no evidence of any time period that I can see.
> Also, the "raw" value is in the millions.

The raw value is mostly what it says, the actual number of
occurrences of that field, but not with the Raw_Read_Error_Rate
with Seagate drives, that field is in fact an encoded field.

> I have 2 1TB hard drives and 1 128G SDD.
>
> The SSD shows some pretty good numbers:
>
> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED 
> WHEN_FAILED RAW_VALUE
>  1 Raw_Read_Error_Rate     0x0000   100   100   000    Old_age 
> line      -       0

And that shows that that field is done quite different in non Seagate 
drives.

>  5 Reallocated_Sector_Ct   0x0000   100   100   000    Old_age 
> line      -       0
>  9 Power_On_Hours          0x0000   100   100   000    Old_age 
> line      -       48

That one isn't clock hours either.

> 12 Power_Cycle_Count       0x0000   100   100   000    Old_age 
> line      -       32
> 160 Uncorrectable_Error_Cnt 0x0000   100   100   000    Old_age 
> line      -       0
> 161 Valid_Spare_Block_Cnt   0x0000   100   100   000    Old_age 
> line      -       45
> 163 Initial_Bad_Block_Count 0x0000   100   100   000    Old_age 
> line      -       24
> 164 Total_Erase_Count       0x0000   100   100   000    Old_age 
> line      -       1425
> 165 Max_Erase_Count         0x0000   100   100   000    Old_age 
> line      -       6
> 166 Min_Erase_Count         0x0000   100   100   000    Old_age 
> line      -       0
> 167 Average_Erase_Count     0x0000   100   100   000    Old_age 
> line      -       1
> 168 Max_Erase_Count_of_Spec 0x0000   100   100   000    Old_age 
> line      -       3000
> 169 Remaining_Lifetime_Perc 0x0000   100   100   000    Old_age 
> line      -       100
> 175 Program_Fail_Count_Chip 0x0000   100   100   000    Old_age 
> line      -       0
> 176 Erase_Fail_Count_Chip   0x0000   100   100   000    Old_age 
> line      -       0
> 177 Wear_Leveling_Count     0x0000   100   100   050    Old_age 
> line      -       0
> 178 Runtime_Invalid_Blk_Cnt 0x0000   100   100   000    Old_age 
> line      -       0
> 181 Program_Fail_Cnt_Total  0x0000   100   100   000    Old_age 
> line      -       0
> 182 Erase_Fail_Count_Total  0x0000   100   100   000    Old_age 
> line      -       0
> 192 Power-Off_Retract_Count 0x0000   100   100   000    Old_age 
> line      -       15
> 194 Temperature_Celsius     0x0000   100   100   000    Old_age 
> line      -       0
> 195 Hardware_ECC_Recovered  0x0000   100   100   000    Old_age 
> line      -       23
> 196 Reallocated_Event_Count 0x0000   100   100   016    Old_age 
> line      -       0
> 197 Current_Pending_Sector  0x0000   100   100   000    Old_age 
> line      -       0
> 198 Offline_Uncorrectable   0x0000   100   100   000    Old_age 
> line      -       0
> 199 UDMA_CRC_Error_Count    0x0000   100   100   050    Old_age 
> line      -       639
> 232 Available_Reservd_Space 0x0000   100   100   000    Old_age 
> line      -       100
> 241 Host_Writes_32MiB       0x0000   100   100   000    Old_age 
> line      -       3328
> 242 Host_Reads_32MiB        0x0000   100   100   000    Old_age 
> line      -       2900
> 245 Unkn_SiliconMotion_Attr 0x0000   100   100   000    Old_age 
> line      -       5700
>
> But now I know I don't understand the output.
>
> The 2 1TB drives get remounted read only all summer long.
> They don't like the heat in my office.
> Still, smart doesn't give me any hints.

https://en.wikipedia.org/wiki/S.M.A.R.T.
 

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Thread

New hard drive philo <philo@privacy.net> - 2015-09-10 20:33 -0500
  Re: New hard drive Michael Black <et472@ncf.ca> - 2015-09-10 23:23 -0400
    Re: New hard drive Bob Martin <bob.martin@excite.com> - 2015-09-11 07:07 +0100
    Re: New hard drive philo <philo@privacy.net> - 2015-09-14 10:20 -0500
      Re: New hard drive Michael Black <et472@ncf.ca> - 2015-09-14 13:53 -0400
        Re: New hard drive philo <philo@privacy.net> - 2015-09-14 13:05 -0500
          Re: New hard drive Michael Black <et472@ncf.ca> - 2015-09-14 15:09 -0400
            Re: New hard drive philo <philo@privacy.net> - 2015-09-14 14:18 -0500
      Re: New hard drive Ahem A Rivet's Shot <steveo@eircom.net> - 2015-09-15 10:08 +0100
        Re: New hard drive philo <philo@privacy.net> - 2015-09-15 05:28 -0500
          Re: New hard drive Morten Reistad <first@last.name> - 2015-09-15 13:43 +0200
            Re: New hard drive Peter Flass <peter_flass@yahoo.com> - 2015-09-15 16:19 +0000
              Re: New hard drive philo <philo@privacy.net> - 2015-09-15 13:15 -0500
                Re: New hard drive Stan Barr <plan.b@bluesomatic.org> - 2015-09-16 07:04 +0000
                Re: New hard drive philo <philo@privacy.net> - 2015-09-16 08:39 -0500
                Re: New hard drive Joe Makowiec <makowiec@invalid.invalid> - 2015-09-16 14:52 +0000
                Re: New hard drive philo <philo@privacy.net> - 2015-09-17 15:37 -0500
                Re: New hard drive scott@slp53.sl.home (Scott Lurndal) - 2015-09-16 13:42 +0000
              Re: New hard drive Walter Banks <walter@bytecraft.com> - 2015-09-15 15:34 -0400
                Re: New hard drive Dan Espen <despen@verizon.net> - 2015-09-15 17:29 -0400
                Re: New hard drive Peter Flass <peter_flass@yahoo.com> - 2015-09-16 22:00 +0000
                Re: New hard drive Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-09-17 03:58 +0000
                Re: New hard drive "Charles Richmond" <numerist@aquaporin4.com> - 2015-09-17 00:43 -0500
                Re: New hard drive Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-09-17 05:59 +0000
                Re: New hard drive Peter Flass <peter_flass@yahoo.com> - 2015-09-17 11:51 +0000
                Re: New hard drive hancock4@bbs.cpcn.com - 2015-09-17 13:18 -0700
                Re: New hard drive Walter Banks <walter@bytecraft.com> - 2015-09-17 19:15 -0400
                Re: New hard drive "Jim Thomas" <JT@nospam.com> - 2015-09-20 17:27 +1000
                Re: New hard drive hancock4@bbs.cpcn.com - 2015-09-17 13:13 -0700
                Re: New hard drive Walter Banks <walter@bytecraft.com> - 2015-09-17 06:24 -0400
                Re: New hard drive Peter Flass <peter_flass@yahoo.com> - 2015-09-17 11:51 +0000
                Re: New hard drive Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-09-17 18:02 +0000
            Re: New hard drive philo <philo@privacy.net> - 2015-09-15 13:12 -0500
              Re: New hard drive Peter Flass <peter_flass@yahoo.com> - 2015-09-16 22:00 +0000
                Re: New hard drive philo <philo@privacy.net> - 2015-09-17 19:29 -0500
              Re: New hard drive "Kerr Mudd-John" <admin@127.0.0.1> - 2015-09-17 10:29 +0100
                Re: New hard drive philo <philo@privacy.net> - 2015-09-17 19:31 -0500
        Re: New hard drive Peter Flass <peter_flass@yahoo.com> - 2015-09-15 16:19 +0000
          Re: New hard drive Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-09-15 17:48 +0000
          Re: New hard drive philo <philo@privacy.net> - 2015-09-15 13:17 -0500
  Re: New hard drive "Osmium" <r124c4u102@comcast.net> - 2015-09-11 09:28 -0500
    Re: New hard drive scott@slp53.sl.home (Scott Lurndal) - 2015-09-11 14:59 +0000
      Re: New hard drive Dan Espen <despen@verizon.net> - 2015-09-11 11:32 -0400
        Re: New hard drive Bob Eager <news0005@eager.cx> - 2015-09-11 16:06 +0000
        Re: New hard drive scott@slp53.sl.home (Scott Lurndal) - 2015-09-11 16:06 +0000
          Re: New hard drive "Jim Thomas" <JT@nospam.com> - 2015-09-12 05:21 +1000
        Re: New hard drive "Jim Thomas" <JT@nospam.com> - 2015-09-12 05:16 +1000
      Re: New hard drive "Osmium" <r124c4u102@comcast.net> - 2015-09-11 10:42 -0500
        Re: New hard drive scott@slp53.sl.home (Scott Lurndal) - 2015-09-11 16:09 +0000
          Re: New hard drive Dan Espen <despen@verizon.net> - 2015-09-11 12:20 -0400
        Re: New hard drive "Jim Thomas" <JT@nospam.com> - 2015-09-12 05:18 +1000
      Re: New hard drive "Jim Thomas" <JT@nospam.com> - 2015-09-12 05:08 +1000
    Re: New hard drive "Charles Richmond" <numerist@aquaporin4.com> - 2015-09-11 14:34 -0500
      Re: New hard drive philo <philo@privacy.net> - 2015-09-15 05:29 -0500
    Re: New hard drive terry+googleblog@tmk.com - 2015-09-11 16:05 -0700
  Re: New hard drive Walter Banks <walter@bytecraft.com> - 2015-09-11 11:55 -0400
    Re: New hard drive Shadow <Sh@dow.br> - 2015-09-11 14:42 -0300
      Re: New hard drive Michael Black <et472@ncf.ca> - 2015-09-11 16:10 -0400
        Re: New hard drive Anne & Lynn Wheeler <lynn@garlic.com> - 2015-09-11 15:07 -0700
          Re: New hard drive sidd@situ.com (sidd) - 2015-09-12 15:34 -0400
            Re: New hard drive Anne & Lynn Wheeler <lynn@garlic.com> - 2015-09-12 12:56 -0700
              Re: New hard drive Anne & Lynn Wheeler <lynn@garlic.com> - 2015-09-12 13:02 -0700
    Re: New hard drive "Charles Richmond" <numerist@aquaporin4.com> - 2015-09-11 14:39 -0500
      Re: New hard drive philo <philo@privacy.net> - 2015-09-14 10:25 -0500
    Re: New hard drive philo <philo@privacy.net> - 2015-09-14 10:22 -0500
      Re: New hard drive Michael Black <et472@ncf.ca> - 2015-09-14 13:49 -0400
        Re: New hard drive philo <philo@privacy.net> - 2015-09-14 13:07 -0500
  Re: New hard drive hancock4@bbs.cpcn.com - 2015-09-14 11:10 -0700
    Re: New hard drive philo <philo@privacy.net> - 2015-09-14 14:45 -0500

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