Re: Offline and unreadable sectors on new HD
- From: Arno Wagner <me@xxxxxxxxxxx>
- Date: 28 Jan 2006 23:46:44 GMT
Previously Kryszttoff <reponse@xxxxxxxxxxxxxxx> wrote:
> Hi,
> I've setup a brand new Maxtor 300 Gb drive, and smartd keeps telling me
> this :
> Device: /dev/hdd, 100 Currently unreadable (pending) sectors
> Device: /dev/hdd, 104 Offline uncorrectable sectors
> I wonder if this something acceptable for such a big drive, or a sign
> that it won't live very long. Full smartctl log is below.
It is a sign for concern IMO. You should keep an eye on these numbers
and run a long smart selftest (smartctl -t long <device>) regularly
and see whether the defect sectors get more. I do this as cron-job
or anacron-job (for not allways running machines) every 14 days for
all my disk. You should do it manually at least once now and check
for smart attribute changes. If everything stays the same, do the
regular checks every 2 weeks or so.
I have one Maxtor disk with around 150 reallocated sectors.
It has been running fine with no additional problems for 2 years now.
In other disks, this was the first sign of doom.
As for smartd telling you multiple times, I think you can configure it
in /etc/smartd.conf to just tell you once per change. The man-page
for smartd.conf has the details (at least on Debian).
Arno
> Thanks for any advice!
> SMART Attributes Data Structure revision number: 16
> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE
> UPDATED WHEN_FAILED RAW_VALUE
> 3 Spin_Up_Time 0x0027 252 252 063 Pre-fail
> Always - 914
> 4 Start_Stop_Count 0x0032 253 253 000 Old_age
> Always - 3
> 5 Reallocated_Sector_Ct 0x0033 243 243 063 Pre-fail
> Always - 103
> 6 Read_Channel_Margin 0x0001 253 253 100 Pre-fail
> Offline - 0
> 7 Seek_Error_Rate 0x000a 249 188 000 Old_age
> Always - 4
> 8 Seek_Time_Performance 0x0027 248 248 187 Pre-fail
> Always - 51509
> 9 Power_On_Hours 0x0032 253 253 000 Old_age
> Always - 8519
> 10 Spin_Retry_Count 0x002b 252 252 157 Pre-fail
> Always - 0
> 11 Calibration_Retry_Count 0x002b 252 252 223 Pre-fail
> Always - 0
> 12 Power_Cycle_Count 0x0032 253 253 000 Old_age
> Always - 5
> 192 Power-Off_Retract_Count 0x0032 253 253 000 Old_age Always
> - 0
> 193 Load_Cycle_Count 0x0032 253 253 000 Old_age Always
> - 0
> 194 Temperature_Celsius 0x0032 035 253 000 Old_age Always
> - 37
> 195 Hardware_ECC_Recovered 0x000a 253 252 000 Old_age Always
> - 4216
> 196 Reallocated_Event_Count 0x0008 150 150 000 Old_age
> Offline - 103
> 197 Current_Pending_Sector 0x0008 244 243 000 Old_age
> Offline - 100
> 198 Offline_Uncorrectable 0x0008 253 149 000 Old_age
> Offline - 0
> 199 UDMA_CRC_Error_Count 0x0008 253 253 000 Old_age
> Offline - 0
> 200 Multi_Zone_Error_Rate 0x000a 253 252 000 Old_age Always
> - 0
> 201 Soft_Read_Error_Rate 0x000a 253 252 000 Old_age Always
> - 1
> 202 TA_Increase_Count 0x000a 253 252 000 Old_age Always
> - 0
> 203 Run_Out_Cancel 0x000b 253 252 180 Pre-fail Always
> - 0
> 204 Shock_Count_Write_Opern 0x000a 253 252 000 Old_age Always
> - 0
> 205 Shock_Rate_Write_Opern 0x000a 253 245 000 Old_age Always
> - 0
> 207 Spin_High_Current 0x002a 252 252 000 Old_age Always
> - 0
> 208 Spin_Buzz 0x002a 252 252 000 Old_age Always
> - 0
> 209 Offline_Seek_Performnce 0x0024 240 240 000 Old_age
> Offline - 167
> 210 Unknown_Attribute 0x0032 253 252 000 Old_age Always
> - 0
> 211 Unknown_Attribute 0x0032 253 252 000 Old_age Always
> - 0
> 212 Unknown_Attribute 0x0032 253 252 000 Old_age Always
> - 0
> SMART Error Log Version: 1
> No Errors Logged
.
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