[mythtv-users] warning for anyone with western digital green drives
James Linder
jam at tigger.ws
Sat Jan 7 01:50:36 UTC 2012
On 07/01/2012, at 1:53 AM, mythtv-users-request at mythtv.org wrote:
>> The second drive, a WD10EARS-00Y5B1 with 512 byte sectors, is used as the boot
>> drive and contains the database. The drive has been in service about 30 months
>> and shows a Load Cycle Count of 1636408. This one seems too large, particularly
>> if the lifetime value is really 300K.
>
> No, from what I've read, that seams about right. Min was over 500K in
> 18 months, but I read of people with 600k top 800k in 12 months.
>
> 300k isn't the drop dead value, but it's all that the manufacturer
> says it is designed for. You may be fine going way beyond that (as a
> lot of people are), but unless absolutely necessary, it's probably a
> good idea to try an keep it operating within spec if possible.
Ummm confused ...
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Green family
Device Model: WDC WD10EADS-00L5B1
Serial Number: WD-WCAU48131862
Firmware Version: 01.01A01
[snip]
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
1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 162 160 021 Pre-fail Always - 6900
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 178
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
9 Power_On_Hours 0x0032 070 070 000 Old_age Always - 22305
10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 176
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 16
193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 178
194 Temperature_Celsius 0x0022 107 099 000 Old_age Always - 43
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0
20000 hours and a count of 178!
James
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