SMART logs of mechanical drives - Are these bad?

MeTaSpARKs

[H]ard|Gawd
Joined
Jun 6, 2004
Messages
1,150
Hi. Could someone who has experience looking at SMART outputs tell me if these drives are worth removing from the file server?

=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST2000DM001-1ER164
Serial Number: Z4Z0JKL6
LU WWN Device Id: 5 000c50 078fe3ae7
Firmware Version: CC43
User Capacity: 2,000,398,934,016 bytes [2.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2, ACS-3 T13/2161-D revision 3b
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Fri Jan 14 17:55:40 2022 PST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection: Disabled.
Self-test execution status: ( 25) The self-test routine was aborted by
the host.
Total time to complete Offline
data collection: ( 89) seconds.
Offline data collection
capabilities: (0x73) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 222) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x1085) SCT Status supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 114 099 006 Pre-fail Always - 82271232
3 Spin_Up_Time 0x0003 096 095 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 095 095 020 Old_age Always - 5698
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 072 060 030 Pre-fail Always - 18846741
9 Power_On_Hours 0x0032 075 075 000 Old_age Always - 22040
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 099 099 020 Old_age Always - 1385
183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 099 000 Old_age Always - 0 1 1
189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 061 050 045 Old_age Always - 39 (Min/Max 22/43)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 0
193 Load_Cycle_Count 0x0032 001 001 000 Old_age Always - 288109
194 Temperature_Celsius 0x0022 039 050 000 Old_age Always - 39 (0 17 0 0 0)
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0
240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 17700h+22m+04.389s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 18384644378
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 22955915211

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Extended offline Aborted by host 90% 21988 -
# 2 Extended offline Completed without error 00% 20526 -
# 3 Short offline Completed without error 00% 14030 -

=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST3000DM001-1ER166
Serial Number: Z501RERY
LU WWN Device Id: 5 000c50 086fddb97
Firmware Version: CC25
User Capacity: 3,000,592,982,016 bytes [3.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2, ACS-3 T13/2161-D revision 3b
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Fri Jan 14 17:58:06 2022 PST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection: Disabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: ( 80) seconds.
Offline data collection
capabilities: (0x73) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 314) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x1085) SCT Status supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 118 084 006 Pre-fail Always - 181784240
3 Spin_Up_Time 0x0003 094 093 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 088 088 020 Old_age Always - 12953
5 Reallocated_Sector_Ct 0x0033 082 082 010 Pre-fail Always - 23816
7 Seek_Error_Rate 0x000f 073 060 030 Pre-fail Always - 22915066
9 Power_On_Hours 0x0032 048 048 000 Old_age Always - 46239
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 119
183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 001 001 000 Old_age Always - 4175
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 0 0 1
189 High_Fly_Writes 0x003a 001 001 000 Old_age Always - 1259
190 Airflow_Temperature_Cel 0x0022 061 047 045 Old_age Always - 39 (Min/Max 22/44)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 0
193 Load_Cycle_Count 0x0032 083 083 000 Old_age Always - 35402
194 Temperature_Celsius 0x0022 039 053 000 Old_age Always - 39 (0 17 0 0 0)
197 Current_Pending_Sector 0x0012 100 082 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0010 100 082 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0
240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 14098h+52m+58.023s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 55374308426
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 868501276671

SMART Error Log Version: 1
ATA Error Count: 4174 (device log contains only the most recent five errors)
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.

Error 4174 occurred at disk power-on lifetime: 35027 hours (1459 days + 11 hours)
When the command that caused the error occurred, the device was active or idle.

After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 53 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455

Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 18d+18:30:08.027 READ FPDMA QUEUED
ea 00 00 00 00 00 a0 00 18d+18:30:08.027 FLUSH CACHE EXT
ef 10 02 00 00 00 a0 00 18d+18:30:08.026 SET FEATURES [Enable SATA feature]
27 00 00 00 00 00 e0 00 18d+18:30:08.026 READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]
ec 00 00 00 00 00 a0 00 18d+18:30:08.025 IDENTIFY DEVICE

Error 4173 occurred at disk power-on lifetime: 35027 hours (1459 days + 11 hours)
When the command that caused the error occurred, the device was active or idle.

After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 53 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455

Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 18d+18:30:04.265 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 18d+18:30:04.236 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 18d+18:30:04.236 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 18d+18:30:04.236 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 18d+18:30:04.236 READ FPDMA QUEUED

Error 4172 occurred at disk power-on lifetime: 35027 hours (1459 days + 11 hours)
When the command that caused the error occurred, the device was active or idle.

After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 53 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455

Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 18d+18:29:51.724 READ FPDMA QUEUED
ea 00 00 00 00 00 a0 00 18d+18:29:51.723 FLUSH CACHE EXT
ef 10 02 00 00 00 a0 00 18d+18:29:51.723 SET FEATURES [Enable SATA feature]
27 00 00 00 00 00 e0 00 18d+18:29:51.723 READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]
ec 00 00 00 00 00 a0 00 18d+18:29:51.722 IDENTIFY DEVICE

Error 4171 occurred at disk power-on lifetime: 35027 hours (1459 days + 11 hours)
When the command that caused the error occurred, the device was active or idle.

After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 53 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455

Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 18d+18:29:48.014 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 18d+18:29:47.996 READ FPDMA QUEUED
ea 00 00 00 00 00 a0 00 18d+18:29:47.994 FLUSH CACHE EXT
ef 10 02 00 00 00 a0 00 18d+18:29:47.994 SET FEATURES [Enable SATA feature]
27 00 00 00 00 00 e0 00 18d+18:29:47.994 READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]

Error 4170 occurred at disk power-on lifetime: 35027 hours (1459 days + 11 hours)
When the command that caused the error occurred, the device was active or idle.

After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 53 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455

Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 18d+18:29:44.372 READ FPDMA QUEUED
ea 00 00 00 00 00 a0 00 18d+18:29:44.370 FLUSH CACHE EXT
ef 10 02 00 00 00 a0 00 18d+18:29:44.370 SET FEATURES [Enable SATA feature]
27 00 00 00 00 00 e0 00 18d+18:29:44.370 READ NATIVE MAX ADDRESS EXT [OBS-ACS-3]
ec 00 00 00 00 00 a0 00 18d+18:29:44.369 IDENTIFY DEVICE

SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 44726 -
# 2 Short offline Completed without error 00% 38228 -

=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Green
Device Model: WDC WD10EAVS-00M4B0
Serial Number: WD-WCAV51576806
LU WWN Device Id: 5 0014ee 2589d1406
Firmware Version: 01.00A01
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS (minor revision not indicated)
SATA Version is: SATA 2.6, 3.0 Gb/s
Local Time is: Fri Jan 14 17:59:11 2022 PST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status: (0x82) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: (19980) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 230) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x303f) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.

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 170 108 021 Pre-fail Always - 4491
4 Start_Stop_Count 0x0032 083 083 000 Old_age Always - 17629
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 001 001 000 Old_age Always - 79673
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 - 441
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 117
193 Load_Cycle_Count 0x0032 181 181 000 Old_age Always - 58889
194 Temperature_Celsius 0x0022 108 082 000 Old_age Always - 39
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 200 200 000 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

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 12638 -
# 2 Short offline Completed without error 00% 6213 -
# 3 Short offline Completed without error 00% 14776 -
# 4 Conveyance offline Completed without error 00% 1277 -

=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Green
Device Model: WDC WD10EAVS-00D7B1
Serial Number: WD-WCAU46034683
LU WWN Device Id: 5 0014ee 257b2cab2
Firmware Version: 01.01A01
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS (minor revision not indicated)
SATA Version is: SATA 2.5, 3.0 Gb/s
Local Time is: Fri Jan 14 17:59:46 2022 PST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status: (0x84) Offline data collection activity
was suspended by an interrupting command from host.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: (22800) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 262) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x303f) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.

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 223 162 021 Pre-fail Always - 3850
4 Start_Stop_Count 0x0032 085 085 000 Old_age Always - 15715
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 100 253 000 Old_age Always - 0
9 Power_On_Hours 0x0032 001 001 000 Old_age Always - 72406
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 - 289
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 33
193 Load_Cycle_Count 0x0032 195 195 000 Old_age Always - 15714
194 Temperature_Celsius 0x0022 112 092 000 Old_age Always - 38
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 200 200 000 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

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 5380 -
# 2 Short offline Completed without error 00% 64525 -
# 3 Short offline Completed without error 00% 11914 -
# 4 Conveyance offline Completed without error 00% 5564 -


Thanks ahead!
 

grumperfish

Weaksauce
Joined
Apr 19, 2014
Messages
116
Drive B has 4175 reported uncorrectable errors and >5 years power on hours. I would replace it based on the SMART value 187 count. I am not seeing any major errors for the other drives. Edit: Actually the reallocated sector count it worse the that as I forgot to convert from hex.
 
Last edited:

bigdogchris

Fully [H]
Joined
Feb 19, 2008
Messages
18,516
I always replace drives as soon as they start showing reallocated sectors, so I agree the B drive needs to be replaced ASAP.

If this is for a business environment, I recommend only using the same type of drive and having a spare or two on the shelf to swap in while waiting for RMA or a replacement. This obviously becomes more challenging as the server ages, but if buying new, grab a few extra.
 

toast0

[H]ard|Gawd
Joined
Jan 26, 2010
Messages
1,676
Piling on. Drive B has 23816 reallocated sectors. I would replace a personal drive at around 10, and a business drive at around 100 (assuming monitoring, a decent backup plan and readily available spares), although I've had some drives that had in the neighborhood of 1000 without a lot of trouble from before I started monitoring. 23k is a ton, regardless of how much spare capacity the drive says it has. Plus it's got all those errors in the smart log. Probably sounds terrible too.

I noticed Drive A has a fairly high load-cycle count (288109); is this drive a 'green' drive? can you / have you configured it to not park the heads so often? On some drives, the parking ramps are really only intended for 500k cycles, and you're close-ish to that. There's a large difference in power on hours (22040) and head flying hours (17700); so it seems like the heads are parked 20% of the time, but also cycle count divided by power on hours says it's parking the heads on average 13 times an hour, which seems aggressive. (OTOH, I've got a few drives with significantly more, because I didn't notice until they were way up there ... seem to be doing fine ?)
 

pavel

Limp Gawd
Joined
Apr 8, 2014
Messages
367
Piling on. Drive B has 23816 reallocated sectors. I would replace a personal drive at around 10, and a business drive at around 100 (assuming monitoring, a decent backup plan and readily available spares), although I've had some drives that had in the neighborhood of 1000 without a lot of trouble from before I started monitoring. 23k is a ton, regardless of how much spare capacity the drive says it has. Plus it's got all those errors in the smart log. Probably sounds terrible too.

I noticed Drive A has a fairly high load-cycle count (288109); is this drive a 'green' drive? can you / have you configured it to not park th heads so often? On some drives, the parking ramps are really only intended for 500k cycles, and you're close-ish to that. There's a large difference in power on hours (22040) and head flying hours (17700); so it seems like the heads are parked 20% of the time, but also cycle count divided by power on hours says it's parking the heads on average 13 times an hour, which seems aggressive. (OTOH, I've got a few drives with significantly more, because I didn't notice until they were way up there ... seem to be doing fine ?)
If you look closely, he has a Seagate Barracuda 7200.14 AF series (AF = Advanced Format) - aka drive A. My HDD is similar except it's only 500GB. The model # I have is ST500DM002. I ran SMART tests as well and I got '241 Uncorrectable errors' and '0 Reallocated sectors' so that value/part is okay.

I think these Seagate drives (this series) have a bad rep - from my online research. Imho, he should keep an eye on his drive and run routine/scheduled Smart tests. I aim to replace my HDD (it came with the Dell sff when I bought it) with a SSD ASAP - and I have a thread asking for advice/insight about it. :) I understand that's not a viable option for a server and wanting 3+ TB drives.
 

likeman

Gawd
Joined
Aug 17, 2011
Messages
802
B looks bad but its the same LBA that was causing the UNC (and it looks like they all happened at the same time as they was 10,000 hours ago) no pending or relocated events was logged and it look like it happened at Power up

with this age of HDDs raid6/SHR2 is recommended

if inside a synology nas deactivate the disk and do a secure erase option (make sure last smart extended scan and data scub passed on the other disks),, if in a PC use DD if on linux (make sure you wiping the right disk) or Diskpart and use "clean all" command (make sure you check what disk you have selected ,as it does not ask use clean or clean all command ) note Zeroing out a HDD takes some time,

secure erase is recommended method as it wipes every sector on the disk (including the hidden ones) especially if your using a SSD strongly discourage using DD or diskpart clean all (secure erase strongly recommended or create a basic MBR single partition and then send Trim to it via defrag > optimise or how ever linux does it)

smart extended scan should be ran monthly and data scrub every 1-3 months
 
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