HGST Drives, Not All Same SMART Extended Test Duration, Any Theories?

[joeschmuck]

So I just purchased four HGST 6TB drives P/N: 0F26900 and all manufactured in AUG 2017, all with the same firmware 7JHN, basically all the numbers are identical except the serial numbers of course.

Here is the discrepancy which catches my eye, the time it takes to complete a SMART Extended Test:
S/N: XXXXXLBD = Firmware says 825 minutes (Actual test time < 14 hours)
S/N: XXXXXWLD = Firmware says 825 minutes (Actual test time < 14 hours)
S/N: XXXXX848 = Firmware says 780 minutes (Actual test time < 13 hours)
S/N: XXXXXW4D = Firmware says 976 minutes (Actual test time < 16 hours)

So why the large discrepancy?

I just find it odd that there are some extremes here knowing that all the drives are the same model. Are we looking at a rotational speed issue? Head actuator speed issue? The thing is, all of my previous hard drives always had the same test times, this is the first time I’ve ever seen this kind of discrepancy.

I am presently running badblocks on these drives and after that I plan to find some test which can check the rotational speed of the drive and throughput and hopefully the actuator speed (any recommendations are appreciated). I want to test the last two drives listed and just see if there is somethig I can detect as different, unless a real answer is found by then.

In my mind I am now telling myself "I knew I should have stuck with my trusty WD Reds." Well maybe these will last 5 years as well.

 

[BigDave]

HGST 6TB drives P/N: 0F26900

Are the drives capable of being conveyance tested...
Just five minutes per drive.

 

[joeschmuck]

Conveyance testing is not supported by these drives. But the SMART Short and Long tests passed fine, it just bugs me that the long tests have such a wide margin between the drives. I would have expected all the test times to be identical, at least in the firmware listing. I should have provided a full SMART output so I'll include it here.

Code:

smartctl 6.5 2016-05-07 r4318 [FreeBSD 11.0-STABLE amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:	 HGST HDN726060ALE614
Serial Number:	XXXXXLBD
LU WWN Device Id: 5 000cca 255e7d5d5
Firmware Version: APGNW7JH
User Capacity:	6,001,175,126,016 bytes [6.00 TB]
Sector Sizes:	 512 bytes logical, 4096 bytes physical
Rotation Rate:	7200 rpm
Form Factor:	  3.5 inches
Device is:		Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:	Sat Nov 25 11:27:52 2017 EST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM feature is:   Disabled
Rd look-ahead is: Enabled
Write cache is:   Enabled
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Enabled

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

General SMART Values:
Offline data collection status:  (0x80)	Offline data collection activity
					was never started.
					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:		 (  113) seconds.
Offline data collection
capabilities:			  (0x5b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					No 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:	  ( 825) minutes.
SCT capabilities:			(0x003d)	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		  FLAGS	VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate	 PO-R--   100   100   016	-	0
  2 Throughput_Performance  P-S---   100   100   054	-	0
  3 Spin_Up_Time			POS---   100   100   024	-	0
  4 Start_Stop_Count		-O--C-   100   100   000	-	1
  5 Reallocated_Sector_Ct   PO--CK   100   100   005	-	0
  7 Seek_Error_Rate		 PO-R--   100   100   067	-	0
  8 Seek_Time_Performance   P-S---   100   100   020	-	0
  9 Power_On_Hours		  -O--C-   100   100   000	-	19
 10 Spin_Retry_Count		PO--C-   100   100   060	-	0
 12 Power_Cycle_Count	   -O--CK   100   100   000	-	1
192 Power-Off_Retract_Count -O--CK   100   100   000	-	2
193 Load_Cycle_Count		-O--C-   100   100   000	-	2
194 Temperature_Celsius	 -O----   187   187   000	-	32 (Min/Max 23/41)
196 Reallocated_Event_Count -O--CK   100   100   000	-	0
197 Current_Pending_Sector  -O---K   100   100   000	-	0
198 Offline_Uncorrectable   ---R--   100   100   000	-	0
199 UDMA_CRC_Error_Count	-O-R--   200   200   000	-	0
							||||||_ K auto-keep
							|||||__ C event count
							||||___ R error rate
							|||____ S speed/performance
							||_____ O updated online
							|______ P prefailure warning

General Purpose Log Directory Version 1
SMART		   Log Directory Version 1 [multi-sector log support]
Address	Access  R/W   Size  Description
0x00	   GPL,SL  R/O	  1  Log Directory
0x01		   SL  R/O	  1  Summary SMART error log
0x02		   SL  R/O	  1  Comprehensive SMART error log
0x03	   GPL	 R/O	  1  Ext. Comprehensive SMART error log
0x04	   GPL,SL  R/O	  8  Device Statistics log
0x06		   SL  R/O	  1  SMART self-test log
0x07	   GPL	 R/O	  1  Extended self-test log
0x08	   GPL	 R/O	  2  Power Conditions log
0x09		   SL  R/W	  1  Selective self-test log
0x10	   GPL	 R/O	  1  SATA NCQ Queued Error log
0x11	   GPL	 R/O	  1  SATA Phy Event Counters log
0x12	   GPL	 R/O	  1  SATA NCQ NON-DATA log
0x15	   GPL,SL  R/W	  1  SATA Rebuild Assist log
0x21	   GPL	 R/O	  1  Write stream error log
0x22	   GPL	 R/O	  1  Read stream error log
0x24	   GPL	 R/O	256  Current Device Internal Status Data log
0x25	   GPL	 R/O	256  Saved Device Internal Status Data log
0x30	   GPL,SL  R/O	  9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W	 16  Host vendor specific log
0xe0	   GPL,SL  R/W	  1  SCT Command/Status
0xe1	   GPL,SL  R/W	  1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (1 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description	Status				  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline	Completed without error	   00%		13		 -
# 2  Short offline	   Completed without error	   00%		 0		 -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
	1		0		0  Not_testing
	2		0		0  Not_testing
	3		0		0  Not_testing
	4		0		0  Not_testing
	5		0		0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:				  3
SCT Version (vendor specific):	   256 (0x0100)
SCT Support Level:				   1
Device State:						Active (0)
Current Temperature:					32 Celsius
Power Cycle Min/Max Temperature:	 23/41 Celsius
Lifetime	Min/Max Temperature:	 23/41 Celsius
Under/Over Temperature Limit Count:   0/0

SCT Temperature History Version:	 2
Temperature Sampling Period:		 1 minute
Temperature Logging Interval:		1 minute
Min/Max recommended Temperature:	  0/60 Celsius
Min/Max Temperature Limit:		   -40/70 Celsius
Temperature History Size (Index):	128 (11)

Index	Estimated Time   Temperature Celsius
  12	2017-11-25 09:20	32  *************
  13	2017-11-25 09:21	31  ************
 ...	..(  4 skipped).	..  ************
  18	2017-11-25 09:26	31  ************
  19	2017-11-25 09:27	32  *************
 ...	..(  8 skipped).	..  *************
  28	2017-11-25 09:36	32  *************
  29	2017-11-25 09:37	31  ************
 ...	..(  4 skipped).	..  ************
  34	2017-11-25 09:42	31  ************
  35	2017-11-25 09:43	32  *************
 ...	..(  7 skipped).	..  *************
  43	2017-11-25 09:51	32  *************
  44	2017-11-25 09:52	31  ************
 ...	..(  4 skipped).	..  ************
  49	2017-11-25 09:57	31  ************
  50	2017-11-25 09:58	32  *************
 ...	..(  9 skipped).	..  *************
  60	2017-11-25 10:08	32  *************
  61	2017-11-25 10:09	31  ************
 ...	..(  3 skipped).	..  ************
  65	2017-11-25 10:13	31  ************
  66	2017-11-25 10:14	32  *************
 ...	..( 28 skipped).	..  *************
  95	2017-11-25 10:43	32  *************
  96	2017-11-25 10:44	33  **************
 ...	..( 10 skipped).	..  **************
 107	2017-11-25 10:55	33  **************
 108	2017-11-25 10:56	32  *************
 ...	..( 30 skipped).	..  *************
  11	2017-11-25 11:27	32  *************

SCT Error Recovery Control:
		   Read: Disabled
		  Write: Disabled

Device Statistics (GP Log 0x04)
Page  Offset Size		Value Flags Description
0x01  =====  =			   =  ===  == General Statistics (rev 2) ==
0x01  0x008  4			   1  ---  Lifetime Power-On Resets
0x01  0x018  6	  5228746752  ---  Logical Sectors Written
0x01  0x020  6		20424792  ---  Number of Write Commands
0x01  0x028  6			8440  ---  Logical Sectors Read
0x01  0x030  6			  96  ---  Number of Read Commands
0x01  0x038  6		70771200  ---  Date and Time TimeStamp
0x03  =====  =			   =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4			  19  ---  Spindle Motor Power-on Hours
0x03  0x010  4			  19  ---  Head Flying Hours
0x03  0x018  4			   2  ---  Head Load Events
0x03  0x020  4			   0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4			  21  ---  Read Recovery Attempts
0x03  0x030  4			   0  ---  Number of Mechanical Start Failures
0x04  =====  =			   =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4			   0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4			   0  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =			   =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1			  32  ---  Current Temperature
0x05  0x010  1			  31  N--  Average Short Term Temperature
0x05  0x018  1			   -  N--  Average Long Term Temperature
0x05  0x020  1			  41  ---  Highest Temperature
0x05  0x028  1			  23  ---  Lowest Temperature
0x05  0x030  1			  36  N--  Highest Average Short Term Temperature
0x05  0x038  1			  25  N--  Lowest Average Short Term Temperature
0x05  0x040  1			   -  N--  Highest Average Long Term Temperature
0x05  0x048  1			   -  N--  Lowest Average Long Term Temperature
0x05  0x050  4			   0  ---  Time in Over-Temperature
0x05  0x058  1			  60  ---  Specified Maximum Operating Temperature
0x05  0x060  4			   0  ---  Time in Under-Temperature
0x05  0x068  1			   0  ---  Specified Minimum Operating Temperature
0x06  =====  =			   =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4			   5  ---  Number of Hardware Resets
0x06  0x010  4			   1  ---  Number of ASR Events
0x06  0x018  4			   0  ---  Number of Interface CRC Errors
								|||_ C monitored condition met
								||__ D supports DSN
								|___ N normalized value

SATA Phy Event Counters (GP Log 0x11)
ID	  Size	 Value  Description
0x0001  2			0  Command failed due to ICRC error
0x0002  2			0  R_ERR response for data FIS
0x0003  2			0  R_ERR response for device-to-host data FIS
0x0004  2			0  R_ERR response for host-to-device data FIS
0x0005  2			0  R_ERR response for non-data FIS
0x0006  2			0  R_ERR response for device-to-host non-data FIS
0x0007  2			0  R_ERR response for host-to-device non-data FIS
0x0008  2			0  Device-to-host non-data FIS retries
0x0009  2			5  Transition from drive PhyRdy to drive PhyNRdy
0x000a  2			6  Device-to-host register FISes sent due to a COMRESET
0x000b  2			0  CRC errors within host-to-device FIS
0x000d  2			0  Non-CRC errors within host-to-device FIS

Code:

smartctl 6.5 2016-05-07 r4318 [FreeBSD 11.0-STABLE amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:	 HGST HDN726060ALE614
Serial Number:	XXXXXWLD
LU WWN Device Id: 5 000cca 255e688da
Firmware Version: APGNW7JH
User Capacity:	6,001,175,126,016 bytes [6.00 TB]
Sector Sizes:	 512 bytes logical, 4096 bytes physical
Rotation Rate:	7200 rpm
Form Factor:	  3.5 inches
Device is:		Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:	Sat Nov 25 11:27:59 2017 EST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM feature is:   Disabled
Rd look-ahead is: Enabled
Write cache is:   Enabled
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Enabled

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

General SMART Values:
Offline data collection status:  (0x80)	Offline data collection activity
					was never started.
					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:		 (  113) seconds.
Offline data collection
capabilities:			  (0x5b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					No 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:	  ( 825) minutes.
SCT capabilities:			(0x003d)	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		  FLAGS	VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate	 PO-R--   100   100   016	-	0
  2 Throughput_Performance  P-S---   100   100   054	-	0
  3 Spin_Up_Time			POS---   100   100   024	-	0
  4 Start_Stop_Count		-O--C-   100   100   000	-	1
  5 Reallocated_Sector_Ct   PO--CK   100   100   005	-	0
  7 Seek_Error_Rate		 PO-R--   100   100   067	-	0
  8 Seek_Time_Performance   P-S---   100   100   020	-	0
  9 Power_On_Hours		  -O--C-   100   100   000	-	19
 10 Spin_Retry_Count		PO--C-   100   100   060	-	0
 12 Power_Cycle_Count	   -O--CK   100   100   000	-	1
192 Power-Off_Retract_Count -O--CK   100   100   000	-	2
193 Load_Cycle_Count		-O--C-   100   100   000	-	2
194 Temperature_Celsius	 -O----   181   181   000	-	33 (Min/Max 22/40)
196 Reallocated_Event_Count -O--CK   100   100   000	-	0
197 Current_Pending_Sector  -O---K   100   100   000	-	0
198 Offline_Uncorrectable   ---R--   100   100   000	-	0
199 UDMA_CRC_Error_Count	-O-R--   200   200   000	-	0
							||||||_ K auto-keep
							|||||__ C event count
							||||___ R error rate
							|||____ S speed/performance
							||_____ O updated online
							|______ P prefailure warning

General Purpose Log Directory Version 1
SMART		   Log Directory Version 1 [multi-sector log support]
Address	Access  R/W   Size  Description
0x00	   GPL,SL  R/O	  1  Log Directory
0x01		   SL  R/O	  1  Summary SMART error log
0x02		   SL  R/O	  1  Comprehensive SMART error log
0x03	   GPL	 R/O	  1  Ext. Comprehensive SMART error log
0x04	   GPL,SL  R/O	  8  Device Statistics log
0x06		   SL  R/O	  1  SMART self-test log
0x07	   GPL	 R/O	  1  Extended self-test log
0x08	   GPL	 R/O	  2  Power Conditions log
0x09		   SL  R/W	  1  Selective self-test log
0x10	   GPL	 R/O	  1  SATA NCQ Queued Error log
0x11	   GPL	 R/O	  1  SATA Phy Event Counters log
0x12	   GPL	 R/O	  1  SATA NCQ NON-DATA log
0x15	   GPL,SL  R/W	  1  SATA Rebuild Assist log
0x21	   GPL	 R/O	  1  Write stream error log
0x22	   GPL	 R/O	  1  Read stream error log
0x24	   GPL	 R/O	256  Current Device Internal Status Data log
0x25	   GPL	 R/O	256  Saved Device Internal Status Data log
0x30	   GPL,SL  R/O	  9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W	 16  Host vendor specific log
0xe0	   GPL,SL  R/W	  1  SCT Command/Status
0xe1	   GPL,SL  R/W	  1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (1 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description	Status				  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline	Completed without error	   00%		13		 -
# 2  Short offline	   Completed without error	   00%		 0		 -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
	1		0		0  Not_testing
	2		0		0  Not_testing
	3		0		0  Not_testing
	4		0		0  Not_testing
	5		0		0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:				  3
SCT Version (vendor specific):	   256 (0x0100)
SCT Support Level:				   1
Device State:						Active (0)
Current Temperature:					33 Celsius
Power Cycle Min/Max Temperature:	 22/40 Celsius
Lifetime	Min/Max Temperature:	 22/40 Celsius
Under/Over Temperature Limit Count:   0/0

SCT Temperature History Version:	 2
Temperature Sampling Period:		 1 minute
Temperature Logging Interval:		1 minute
Min/Max recommended Temperature:	  0/60 Celsius
Min/Max Temperature Limit:		   -40/70 Celsius
Temperature History Size (Index):	128 (8)

Index	Estimated Time   Temperature Celsius
   9	2017-11-25 09:20	32  *************
  10	2017-11-25 09:21	33  **************
  11	2017-11-25 09:22	33  **************
  12	2017-11-25 09:23	32  *************
 ...	..( 12 skipped).	..  *************
  25	2017-11-25 09:36	32  *************
  26	2017-11-25 09:37	33  **************
  27	2017-11-25 09:38	33  **************
  28	2017-11-25 09:39	32  *************
 ...	..( 11 skipped).	..  *************
  40	2017-11-25 09:51	32  *************
  41	2017-11-25 09:52	33  **************
  42	2017-11-25 09:53	33  **************
  43	2017-11-25 09:54	33  **************
  44	2017-11-25 09:55	32  *************
 ...	..( 11 skipped).	..  *************
  56	2017-11-25 10:07	32  *************
  57	2017-11-25 10:08	33  **************
  58	2017-11-25 10:09	33  **************
  59	2017-11-25 10:10	33  **************
  60	2017-11-25 10:11	32  *************
 ...	..( 11 skipped).	..  *************
  72	2017-11-25 10:23	32  *************
  73	2017-11-25 10:24	33  **************
 ...	..( 61 skipped).	..  **************
   7	2017-11-25 11:26	33  **************
   8	2017-11-25 11:27	32  *************

SCT Error Recovery Control:
		   Read: Disabled
		  Write: Disabled

Device Statistics (GP Log 0x04)
Page  Offset Size		Value Flags Description
0x01  =====  =			   =  ===  == General Statistics (rev 2) ==
0x01  0x008  4			   1  ---  Lifetime Power-On Resets
0x01  0x018  6	  5168379136  ---  Logical Sectors Written
0x01  0x020  6		20188981  ---  Number of Write Commands
0x01  0x028  6			8440  ---  Logical Sectors Read
0x01  0x030  6			  96  ---  Number of Read Commands
0x01  0x038  6		70777750  ---  Date and Time TimeStamp
0x03  =====  =			   =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4			  19  ---  Spindle Motor Power-on Hours
0x03  0x010  4			  19  ---  Head Flying Hours
0x03  0x018  4			   2  ---  Head Load Events
0x03  0x020  4			   0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4			  28  ---  Read Recovery Attempts
0x03  0x030  4			   0  ---  Number of Mechanical Start Failures
0x04  =====  =			   =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4			   0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4			   0  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =			   =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1			  33  ---  Current Temperature
0x05  0x010  1			  32  N--  Average Short Term Temperature
0x05  0x018  1			   -  N--  Average Long Term Temperature
0x05  0x020  1			  40  ---  Highest Temperature
0x05  0x028  1			  22  ---  Lowest Temperature
0x05  0x030  1			  35  N--  Highest Average Short Term Temperature
0x05  0x038  1			  25  N--  Lowest Average Short Term Temperature
0x05  0x040  1			   -  N--  Highest Average Long Term Temperature
0x05  0x048  1			   -  N--  Lowest Average Long Term Temperature
0x05  0x050  4			   0  ---  Time in Over-Temperature
0x05  0x058  1			  60  ---  Specified Maximum Operating Temperature
0x05  0x060  4			   0  ---  Time in Under-Temperature
0x05  0x068  1			   0  ---  Specified Minimum Operating Temperature
0x06  =====  =			   =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4			   5  ---  Number of Hardware Resets
0x06  0x010  4			   1  ---  Number of ASR Events
0x06  0x018  4			   0  ---  Number of Interface CRC Errors
								|||_ C monitored condition met
								||__ D supports DSN
								|___ N normalized value

SATA Phy Event Counters (GP Log 0x11)
ID	  Size	 Value  Description
0x0001  2			0  Command failed due to ICRC error
0x0002  2			0  R_ERR response for data FIS
0x0003  2			0  R_ERR response for device-to-host data FIS
0x0004  2			0  R_ERR response for host-to-device data FIS
0x0005  2			0  R_ERR response for non-data FIS
0x0006  2			0  R_ERR response for device-to-host non-data FIS
0x0007  2			0  R_ERR response for host-to-device non-data FIS
0x0008  2			0  Device-to-host non-data FIS retries
0x0009  2			5  Transition from drive PhyRdy to drive PhyNRdy
0x000a  2			6  Device-to-host register FISes sent due to a COMRESET
0x000b  2			0  CRC errors within host-to-device FIS
0x000d  2			0  Non-CRC errors within host-to-device FIS

 

[joeschmuck]

And the last two drives:

Code:

smartctl 6.5 2016-05-07 r4318 [FreeBSD 11.0-STABLE amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:	 HGST HDN726060ALE614
Serial Number:	XXXXX84B
LU WWN Device Id: 5 000cca 255cbffae
Firmware Version: APGNW7JH
User Capacity:	6,001,175,126,016 bytes [6.00 TB]
Sector Sizes:	 512 bytes logical, 4096 bytes physical
Rotation Rate:	7200 rpm
Form Factor:	  3.5 inches
Device is:		Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:	Sat Nov 25 11:28:04 2017 EST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM feature is:   Disabled
Rd look-ahead is: Enabled
Write cache is:   Enabled
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Enabled

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

General SMART Values:
Offline data collection status:  (0x80)	Offline data collection activity
					was never started.
					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:		 (  113) seconds.
Offline data collection
capabilities:			  (0x5b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					No 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:	  ( 780) minutes.
SCT capabilities:			(0x003d)	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		  FLAGS	VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate	 PO-R--   100   100   016	-	0
  2 Throughput_Performance  P-S---   100   100   054	-	0
  3 Spin_Up_Time			POS---   100   100   024	-	0
  4 Start_Stop_Count		-O--C-   100   100   000	-	1
  5 Reallocated_Sector_Ct   PO--CK   100   100   005	-	0
  7 Seek_Error_Rate		 PO-R--   100   100   067	-	0
  8 Seek_Time_Performance   P-S---   100   100   020	-	0
  9 Power_On_Hours		  -O--C-   100   100   000	-	19
 10 Spin_Retry_Count		PO--C-   100   100   060	-	0
 12 Power_Cycle_Count	   -O--CK   100   100   000	-	1
192 Power-Off_Retract_Count -O--CK   100   100   000	-	2
193 Load_Cycle_Count		-O--C-   100   100   000	-	2
194 Temperature_Celsius	 -O----   193   193   000	-	31 (Min/Max 22/44)
196 Reallocated_Event_Count -O--CK   100   100   000	-	0
197 Current_Pending_Sector  -O---K   100   100   000	-	0
198 Offline_Uncorrectable   ---R--   100   100   000	-	0
199 UDMA_CRC_Error_Count	-O-R--   200   200   000	-	0
							||||||_ K auto-keep
							|||||__ C event count
							||||___ R error rate
							|||____ S speed/performance
							||_____ O updated online
							|______ P prefailure warning

General Purpose Log Directory Version 1
SMART		   Log Directory Version 1 [multi-sector log support]
Address	Access  R/W   Size  Description
0x00	   GPL,SL  R/O	  1  Log Directory
0x01		   SL  R/O	  1  Summary SMART error log
0x02		   SL  R/O	  1  Comprehensive SMART error log
0x03	   GPL	 R/O	  1  Ext. Comprehensive SMART error log
0x04	   GPL,SL  R/O	  8  Device Statistics log
0x06		   SL  R/O	  1  SMART self-test log
0x07	   GPL	 R/O	  1  Extended self-test log
0x08	   GPL	 R/O	  2  Power Conditions log
0x09		   SL  R/W	  1  Selective self-test log
0x10	   GPL	 R/O	  1  SATA NCQ Queued Error log
0x11	   GPL	 R/O	  1  SATA Phy Event Counters log
0x12	   GPL	 R/O	  1  SATA NCQ NON-DATA log
0x15	   GPL,SL  R/W	  1  SATA Rebuild Assist log
0x21	   GPL	 R/O	  1  Write stream error log
0x22	   GPL	 R/O	  1  Read stream error log
0x24	   GPL	 R/O	256  Current Device Internal Status Data log
0x25	   GPL	 R/O	256  Saved Device Internal Status Data log
0x30	   GPL,SL  R/O	  9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W	 16  Host vendor specific log
0xe0	   GPL,SL  R/W	  1  SCT Command/Status
0xe1	   GPL,SL  R/W	  1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (1 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description	Status				  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline	Completed without error	   00%		12		 -
# 2  Short offline	   Completed without error	   00%		 0		 -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
	1		0		0  Not_testing
	2		0		0  Not_testing
	3		0		0  Not_testing
	4		0		0  Not_testing
	5		0		0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:				  3
SCT Version (vendor specific):	   256 (0x0100)
SCT Support Level:				   1
Device State:						Active (0)
Current Temperature:					31 Celsius
Power Cycle Min/Max Temperature:	 22/44 Celsius
Lifetime	Min/Max Temperature:	 22/44 Celsius
Under/Over Temperature Limit Count:   0/0

SCT Temperature History Version:	 2
Temperature Sampling Period:		 1 minute
Temperature Logging Interval:		1 minute
Min/Max recommended Temperature:	  0/60 Celsius
Min/Max Temperature Limit:		   -40/70 Celsius
Temperature History Size (Index):	128 (8)

Index	Estimated Time   Temperature Celsius
   9	2017-11-25 09:21	30  ***********
 ...	..(  2 skipped).	..  ***********
  12	2017-11-25 09:24	30  ***********
  13	2017-11-25 09:25	31  ************
 ...	..(  2 skipped).	..  ************
  16	2017-11-25 09:28	31  ************
  17	2017-11-25 09:29	30  ***********
 ...	..(  7 skipped).	..  ***********
  25	2017-11-25 09:37	30  ***********
  26	2017-11-25 09:38	31  ************
  27	2017-11-25 09:39	30  ***********
  28	2017-11-25 09:40	31  ************
 ...	..(  3 skipped).	..  ************
  32	2017-11-25 09:44	31  ************
  33	2017-11-25 09:45	30  ***********
 ...	..(  8 skipped).	..  ***********
  42	2017-11-25 09:54	30  ***********
  43	2017-11-25 09:55	31  ************
 ...	..(  4 skipped).	..  ************
  48	2017-11-25 10:00	31  ************
  49	2017-11-25 10:01	30  ***********
 ...	..(  7 skipped).	..  ***********
  57	2017-11-25 10:09	30  ***********
  58	2017-11-25 10:10	31  ************
 ...	..(  5 skipped).	..  ************
  64	2017-11-25 10:16	31  ************
  65	2017-11-25 10:17	30  ***********
 ...	..(  7 skipped).	..  ***********
  73	2017-11-25 10:25	30  ***********
  74	2017-11-25 10:26	31  ************
 ...	..( 25 skipped).	..  ************
 100	2017-11-25 10:52	31  ************
 101	2017-11-25 10:53	32  *************
 ...	..(  2 skipped).	..  *************
 104	2017-11-25 10:56	32  *************
 105	2017-11-25 10:57	31  ************
 ...	..( 29 skipped).	..  ************
   7	2017-11-25 11:27	31  ************
   8	2017-11-25 11:28	30  ***********

SCT Error Recovery Control:
		   Read: Disabled
		  Write: Disabled

Device Statistics (GP Log 0x04)
Page  Offset Size		Value Flags Description
0x01  =====  =			   =  ===  == General Statistics (rev 2) ==
0x01  0x008  4			   1  ---  Lifetime Power-On Resets
0x01  0x018  6	  5114784768  ---  Logical Sectors Written
0x01  0x020  6		19979628  ---  Number of Write Commands
0x01  0x028  6			7944  ---  Logical Sectors Read
0x01  0x030  6			  96  ---  Number of Read Commands
0x01  0x038  6		70783500  ---  Date and Time TimeStamp
0x03  =====  =			   =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4			  19  ---  Spindle Motor Power-on Hours
0x03  0x010  4			  19  ---  Head Flying Hours
0x03  0x018  4			   2  ---  Head Load Events
0x03  0x020  4			   0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4			  12  ---  Read Recovery Attempts
0x03  0x030  4			   0  ---  Number of Mechanical Start Failures
0x04  =====  =			   =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4			   0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4			   0  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =			   =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1			  31  ---  Current Temperature
0x05  0x010  1			  30  N--  Average Short Term Temperature
0x05  0x018  1			   -  N--  Average Long Term Temperature
0x05  0x020  1			  44  ---  Highest Temperature
0x05  0x028  1			  22  ---  Lowest Temperature
0x05  0x030  1			  37  N--  Highest Average Short Term Temperature
0x05  0x038  1			  25  N--  Lowest Average Short Term Temperature
0x05  0x040  1			   -  N--  Highest Average Long Term Temperature
0x05  0x048  1			   -  N--  Lowest Average Long Term Temperature
0x05  0x050  4			   0  ---  Time in Over-Temperature
0x05  0x058  1			  60  ---  Specified Maximum Operating Temperature
0x05  0x060  4			   0  ---  Time in Under-Temperature
0x05  0x068  1			   0  ---  Specified Minimum Operating Temperature
0x06  =====  =			   =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4			   5  ---  Number of Hardware Resets
0x06  0x010  4			   1  ---  Number of ASR Events
0x06  0x018  4			   0  ---  Number of Interface CRC Errors
								|||_ C monitored condition met
								||__ D supports DSN
								|___ N normalized value

SATA Phy Event Counters (GP Log 0x11)
ID	  Size	 Value  Description
0x0001  2			0  Command failed due to ICRC error
0x0002  2			0  R_ERR response for data FIS
0x0003  2			0  R_ERR response for device-to-host data FIS
0x0004  2			0  R_ERR response for host-to-device data FIS
0x0005  2			0  R_ERR response for non-data FIS
0x0006  2			0  R_ERR response for device-to-host non-data FIS
0x0007  2			0  R_ERR response for host-to-device non-data FIS
0x0008  2			0  Device-to-host non-data FIS retries
0x0009  2			5  Transition from drive PhyRdy to drive PhyNRdy
0x000a  2			6  Device-to-host register FISes sent due to a COMRESET
0x000b  2			0  CRC errors within host-to-device FIS
0x000d  2			0  Non-CRC errors within host-to-device FIS

Code:

smartctl 6.5 2016-05-07 r4318 [FreeBSD 11.0-STABLE amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:	 HGST HDN726060ALE614
Serial Number:	XXXXXW4D
LU WWN Device Id: 5 000cca 255e7d6e5
Firmware Version: APGNW7JH
User Capacity:	6,001,175,126,016 bytes [6.00 TB]
Sector Sizes:	 512 bytes logical, 4096 bytes physical
Rotation Rate:	7200 rpm
Form Factor:	  3.5 inches
Device is:		Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:	Sat Nov 25 11:28:10 2017 EST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM feature is:   Disabled
Rd look-ahead is: Enabled
Write cache is:   Enabled
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Enabled

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

General SMART Values:
Offline data collection status:  (0x80)	Offline data collection activity
					was never started.
					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:		 (  113) seconds.
Offline data collection
capabilities:			  (0x5b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					No 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:	  ( 976) minutes.
SCT capabilities:			(0x003d)	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		  FLAGS	VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate	 PO-R--   100   100   016	-	0
  2 Throughput_Performance  P-S---   100   100   054	-	0
  3 Spin_Up_Time			POS---   100   100   024	-	0
  4 Start_Stop_Count		-O--C-   100   100   000	-	1
  5 Reallocated_Sector_Ct   PO--CK   100   100   005	-	0
  7 Seek_Error_Rate		 PO-R--   100   100   067	-	0
  8 Seek_Time_Performance   P-S---   100   100   020	-	0
  9 Power_On_Hours		  -O--C-   100   100   000	-	19
 10 Spin_Retry_Count		PO--C-   100   100   060	-	0
 12 Power_Cycle_Count	   -O--CK   100   100   000	-	1
192 Power-Off_Retract_Count -O--CK   100   100   000	-	2
193 Load_Cycle_Count		-O--C-   100   100   000	-	2
194 Temperature_Celsius	 -O----   193   193   000	-	31 (Min/Max 22/44)
196 Reallocated_Event_Count -O--CK   100   100   000	-	0
197 Current_Pending_Sector  -O---K   100   100   000	-	0
198 Offline_Uncorrectable   ---R--   100   100   000	-	0
199 UDMA_CRC_Error_Count	-O-R--   200   200   000	-	0
							||||||_ K auto-keep
							|||||__ C event count
							||||___ R error rate
							|||____ S speed/performance
							||_____ O updated online
							|______ P prefailure warning

General Purpose Log Directory Version 1
SMART		   Log Directory Version 1 [multi-sector log support]
Address	Access  R/W   Size  Description
0x00	   GPL,SL  R/O	  1  Log Directory
0x01		   SL  R/O	  1  Summary SMART error log
0x02		   SL  R/O	  1  Comprehensive SMART error log
0x03	   GPL	 R/O	  1  Ext. Comprehensive SMART error log
0x04	   GPL,SL  R/O	  8  Device Statistics log
0x06		   SL  R/O	  1  SMART self-test log
0x07	   GPL	 R/O	  1  Extended self-test log
0x08	   GPL	 R/O	  2  Power Conditions log
0x09		   SL  R/W	  1  Selective self-test log
0x10	   GPL	 R/O	  1  SATA NCQ Queued Error log
0x11	   GPL	 R/O	  1  SATA Phy Event Counters log
0x12	   GPL	 R/O	  1  SATA NCQ NON-DATA log
0x15	   GPL,SL  R/W	  1  SATA Rebuild Assist log
0x21	   GPL	 R/O	  1  Write stream error log
0x22	   GPL	 R/O	  1  Read stream error log
0x24	   GPL	 R/O	256  Current Device Internal Status Data log
0x25	   GPL	 R/O	256  Saved Device Internal Status Data log
0x30	   GPL,SL  R/O	  9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W	 16  Host vendor specific log
0xe0	   GPL,SL  R/W	  1  SCT Command/Status
0xe1	   GPL,SL  R/W	  1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (1 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description	Status				  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline	Completed without error	   00%		15		 -
# 2  Short offline	   Completed without error	   00%		 0		 -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
	1		0		0  Not_testing
	2		0		0  Not_testing
	3		0		0  Not_testing
	4		0		0  Not_testing
	5		0		0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:				  3
SCT Version (vendor specific):	   256 (0x0100)
SCT Support Level:				   1
Device State:						Active (0)
Current Temperature:					31 Celsius
Power Cycle Min/Max Temperature:	 22/44 Celsius
Lifetime	Min/Max Temperature:	 22/44 Celsius
Under/Over Temperature Limit Count:   0/0

SCT Temperature History Version:	 2
Temperature Sampling Period:		 1 minute
Temperature Logging Interval:		1 minute
Min/Max recommended Temperature:	  0/60 Celsius
Min/Max Temperature Limit:		   -40/70 Celsius
Temperature History Size (Index):	128 (8)

Index	Estimated Time   Temperature Celsius
   9	2017-11-25 09:21	29  **********
 ...	..( 37 skipped).	..  **********
  47	2017-11-25 09:59	29  **********
  48	2017-11-25 10:00	30  ***********
 ...	..(  7 skipped).	..  ***********
  56	2017-11-25 10:08	30  ***********
  57	2017-11-25 10:09	31  ************
  58	2017-11-25 10:10	31  ************
  59	2017-11-25 10:11	31  ************
  60	2017-11-25 10:12	30  ***********
 ...	..(  9 skipped).	..  ***********
  70	2017-11-25 10:22	30  ***********
  71	2017-11-25 10:23	31  ************
 ...	..(  3 skipped).	..  ************
  75	2017-11-25 10:27	31  ************
  76	2017-11-25 10:28	30  ***********
  77	2017-11-25 10:29	30  ***********
  78	2017-11-25 10:30	30  ***********
  79	2017-11-25 10:31	31  ************
 ...	..( 55 skipped).	..  ************
   7	2017-11-25 11:27	31  ************
   8	2017-11-25 11:28	29  **********

SCT Error Recovery Control:
		   Read: Disabled
		  Write: Disabled

Device Statistics (GP Log 0x04)
Page  Offset Size		Value Flags Description
0x01  =====  =			   =  ===  == General Statistics (rev 2) ==
0x01  0x008  4			   1  ---  Lifetime Power-On Resets
0x01  0x018  6	  5153638144  ---  Logical Sectors Written
0x01  0x020  6		20131399  ---  Number of Write Commands
0x01  0x028  6			8440  ---  Logical Sectors Read
0x01  0x030  6			  96  ---  Number of Read Commands
0x01  0x038  6		70789600  ---  Date and Time TimeStamp
0x03  =====  =			   =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4			  19  ---  Spindle Motor Power-on Hours
0x03  0x010  4			  19  ---  Head Flying Hours
0x03  0x018  4			   2  ---  Head Load Events
0x03  0x020  4			   0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4			  24  ---  Read Recovery Attempts
0x03  0x030  4			   0  ---  Number of Mechanical Start Failures
0x04  =====  =			   =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4			   0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4			   0  ---  Resets Between Cmd Acceptance and Completion
0x05  =====  =			   =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1			  31  ---  Current Temperature
0x05  0x010  1			  29  N--  Average Short Term Temperature
0x05  0x018  1			   -  N--  Average Long Term Temperature
0x05  0x020  1			  44  ---  Highest Temperature
0x05  0x028  1			  22  ---  Lowest Temperature
0x05  0x030  1			  37  N--  Highest Average Short Term Temperature
0x05  0x038  1			  25  N--  Lowest Average Short Term Temperature
0x05  0x040  1			   -  N--  Highest Average Long Term Temperature
0x05  0x048  1			   -  N--  Lowest Average Long Term Temperature
0x05  0x050  4			   0  ---  Time in Over-Temperature
0x05  0x058  1			  60  ---  Specified Maximum Operating Temperature
0x05  0x060  4			   0  ---  Time in Under-Temperature
0x05  0x068  1			   0  ---  Specified Minimum Operating Temperature
0x06  =====  =			   =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4			   5  ---  Number of Hardware Resets
0x06  0x010  4			   1  ---  Number of ASR Events
0x06  0x018  4			   0  ---  Number of Interface CRC Errors
								|||_ C monitored condition met
								||__ D supports DSN
								|___ N normalized value

SATA Phy Event Counters (GP Log 0x11)
ID	  Size	 Value  Description
0x0001  2			0  Command failed due to ICRC error
0x0002  2			0  R_ERR response for data FIS
0x0003  2			0  R_ERR response for device-to-host data FIS
0x0004  2			0  R_ERR response for host-to-device data FIS
0x0005  2			0  R_ERR response for non-data FIS
0x0006  2			0  R_ERR response for device-to-host non-data FIS
0x0007  2			0  R_ERR response for host-to-device non-data FIS
0x0008  2			0  Device-to-host non-data FIS retries
0x0009  2			5  Transition from drive PhyRdy to drive PhyNRdy
0x000a  2			6  Device-to-host register FISes sent due to a COMRESET
0x000b  2			0  CRC errors within host-to-device FIS
0x000d  2			0  Non-CRC errors within host-to-device FIS

 

[Ericloewe]

My understanding is that those estimates are extremely rough and obtained via voodoo more than actual science.

 

[joeschmuck]

I plan to run diskinfo -ct /dev/adaX which will tell me all the drive physical speeds and then I will compare them all. Maybe that will show the descrepancy. But I have a bit longer for badblocks to run, since I only started the testing about 11 hours and 20 minutes ago.

 

[nightshade00013]

My HGST drives do show some difference between each of them but not that large.

I have 4TB drives so the time will be a little different but mine show:

560
573 -- drive that is a refurb due to RMA
561
560
548
582
562

I can imagine that even though the drives are all 7200RPM there will be some differences of say 5% so where say one drive is spinning at closer to say 7550 and another is spinning around 6850. It seems like a rather large gap but both drives would be just within a 5% tolerance which in the speed part of things is probably within an acceptable margin.

 

[joeschmuck]

Yup, I think a 3 hour difference between 2 drives in the same model lineup is a bit extreme. I'm 64% into the badblocks 0x55 writing testing patterns so I've got a few more hours to test :) before I can check on the drive specs. Just wish I could find a test to determine rotational latency. We use to have these in the old days, not I can't seem to find one. I'll just have to compare transfer rates I guess for now. Now to do more searching for info on HGST drives, what fun!

 

[Johnnie Black]

Yup, I think a 3 hour difference between 2 drives in the same model lineup is a bit extreme.

It's very extreme, they are usually very close together performance wise, see example below, results are from a linux script, and although the disks are all 4TB WD Blues they have differences, the newer WD40EZRZ-00GXCB0 are noticeably faster, I suspect they use short stroked 1.2TB platters, the same platters used on the 6TB models, the older slower models use 1TB platters, but you can see that both groups are very close together, maybe a talented user can make a similar FreeNAS script :)

 

[joeschmuck]

So yesterday I finished up with all of the burn-in testing and even some quick benchmarks.

First, the burn-in testing went flawlessly. Here are the testing times:
SMART Long Test = Variable from 13 hours to 16 hours for the four drives. I still do not know why the large margin but the drive firmware does tell you how long to wait to check for a completion and it was not far off.

Badblocks = 75 to 75.5 hours. Believe it or not, the drive with the shortest SMART Long test time was the last one to finish badblocks. Again, I have no clue why.

And of course I ran a SMART Long test at the end to complete everything.

I also ran some benchmark tests and the results are provided below for your viewing pleasure:
diskinfo -citv /dev/adX

Code:

/dev/ada3
	512			 # sectorsize
	6001175126016	# mediasize in bytes (5.5T)
	11721045168	 # mediasize in sectors
	4096			# stripesize
	0			   # stripeoffset
	11628021		# Cylinders according to firmware.
	16			  # Heads according to firmware.
	63			  # Sectors according to firmware.
	XXXXMLBD		# Disk ident.
	Not_Zoned	   # Zone Mode

I/O command overhead:
	time to read 10MB block	  0.050962 sec	=	0.002 msec/sector
	time to read 20480 sectors   3.453258 sec	=	0.169 msec/sector
	calculated command overhead			=	0.166 msec/sector

Seek times:
	Full stroke:	  250 iter in   4.798158 sec =   19.193 msec
	Half stroke:	  250 iter in   3.560973 sec =   14.244 msec
	Quarter stroke:	  500 iter in   3.668726 sec =	7.337 msec
	Short forward:	  400 iter in   0.625601 sec =	1.564 msec
	Short backward:	  400 iter in   2.456380 sec =	6.141 msec
	Seq outer:	 2048 iter in   0.037582 sec =	0.018 msec
	Seq inner:	 2048 iter in   0.445960 sec =	0.218 msec

Transfer rates:
	outside:	   102400 kbytes in   0.441488 sec =   231943 kbytes/sec
	middle:		102400 kbytes in   0.508157 sec =   201513 kbytes/sec
	inside:		102400 kbytes in   0.958417 sec =   106843 kbytes/sec

Asynchronous random reads:
	sectorsize:	   940 ops in	3.430025 sec =	  274 IOPS
	4 kbytes:		 864 ops in	3.608656 sec =	  239 IOPS
	32 kbytes:		809 ops in	3.694869 sec =	  219 IOPS
	128 kbytes:	   694 ops in	3.709288 sec =	  187 IOPS

Code:

/dev/ada4
	512			 # sectorsize
	6001175126016	# mediasize in bytes (5.5T)
	11721045168	 # mediasize in sectors
	4096			# stripesize
	0			   # stripeoffset
	11628021		# Cylinders according to firmware.
	16			  # Heads according to firmware.
	63			  # Sectors according to firmware.
	XXXXSWLD		# Disk ident.
	Not_Zoned	   # Zone Mode

I/O command overhead:
	time to read 10MB block	  0.054039 sec	=	0.003 msec/sector
	time to read 20480 sectors   3.425897 sec	=	0.167 msec/sector
	calculated command overhead			=	0.165 msec/sector

Seek times:
	Full stroke:	  250 iter in   4.795191 sec =   19.181 msec
	Half stroke:	  250 iter in   3.533859 sec =   14.135 msec
	Quarter stroke:	  500 iter in   3.819008 sec =	7.638 msec
	Short forward:	  400 iter in   0.721593 sec =	1.804 msec
	Short backward:	  400 iter in   2.486908 sec =	6.217 msec
	Seq outer:	 2048 iter in   0.055724 sec =	0.027 msec
	Seq inner:	 2048 iter in   0.423874 sec =	0.207 msec

Transfer rates:
	outside:	   102400 kbytes in   0.469165 sec =   218260 kbytes/sec
	middle:		102400 kbytes in   0.515322 sec =   198711 kbytes/sec
	inside:		102400 kbytes in   0.954439 sec =   107288 kbytes/sec

Asynchronous random reads:
	sectorsize:	   948 ops in	3.462203 sec =	  274 IOPS
	4 kbytes:		 850 ops in	3.673474 sec =	  231 IOPS
	32 kbytes:		778 ops in	3.655377 sec =	  213 IOPS
	128 kbytes:	   718 ops in	3.768654 sec =	  191 IOPS

Code:

/dev/ada5
	512			 # sectorsize
	6001175126016	# mediasize in bytes (5.5T)
	11721045168	 # mediasize in sectors
	4096			# stripesize
	0			   # stripeoffset
	11628021		# Cylinders according to firmware.
	16			  # Heads according to firmware.
	63			  # Sectors according to firmware.
	XXXXD84B		# Disk ident.
	Not_Zoned	   # Zone Mode

I/O command overhead:
	time to read 10MB block	  0.045084 sec	=	0.002 msec/sector
	time to read 20480 sectors   3.439566 sec	=	0.168 msec/sector
	calculated command overhead			=	0.166 msec/sector

Seek times:
	Full stroke:	  250 iter in   4.815951 sec =   19.264 msec
	Half stroke:	  250 iter in   3.523767 sec =   14.095 msec
	Quarter stroke:	  500 iter in   3.284979 sec =	6.570 msec
	Short forward:	  400 iter in   0.461359 sec =	1.153 msec
	Short backward:	  400 iter in   2.488428 sec =	6.221 msec
	Seq outer:	 2048 iter in   0.041080 sec =	0.020 msec
	Seq inner:	 2048 iter in   0.424888 sec =	0.207 msec

Transfer rates:
	outside:	   102400 kbytes in   0.441965 sec =   231693 kbytes/sec
	middle:		102400 kbytes in   0.552658 sec =   185286 kbytes/sec
	inside:		102400 kbytes in   0.895586 sec =   114339 kbytes/sec

Asynchronous random reads:
	sectorsize:	   948 ops in	3.480534 sec =	  272 IOPS
	4 kbytes:		 866 ops in	3.667630 sec =	  236 IOPS
	32 kbytes:		811 ops in	3.610666 sec =	  225 IOPS
	128 kbytes:	   719 ops in	3.691450 sec =	  195 IOPS

Code:

/dev/ada5
	512			 # sectorsize
	6001175126016	# mediasize in bytes (5.5T)
	11721045168	 # mediasize in sectors
	4096			# stripesize
	0			   # stripeoffset
	11628021		# Cylinders according to firmware.
	16			  # Heads according to firmware.
	63			  # Sectors according to firmware.
	XXXXD84B		# Disk ident.
	Not_Zoned	   # Zone Mode

I/O command overhead:
	time to read 10MB block	  0.045084 sec	=	0.002 msec/sector
	time to read 20480 sectors   3.439566 sec	=	0.168 msec/sector
	calculated command overhead			=	0.166 msec/sector

Seek times:
	Full stroke:	  250 iter in   4.815951 sec =   19.264 msec
	Half stroke:	  250 iter in   3.523767 sec =   14.095 msec
	Quarter stroke:	  500 iter in   3.284979 sec =	6.570 msec
	Short forward:	  400 iter in   0.461359 sec =	1.153 msec
	Short backward:	  400 iter in   2.488428 sec =	6.221 msec
	Seq outer:	 2048 iter in   0.041080 sec =	0.020 msec
	Seq inner:	 2048 iter in   0.424888 sec =	0.207 msec

Transfer rates:
	outside:	   102400 kbytes in   0.441965 sec =   231693 kbytes/sec
	middle:		102400 kbytes in   0.552658 sec =   185286 kbytes/sec
	inside:		102400 kbytes in   0.895586 sec =   114339 kbytes/sec

Asynchronous random reads:
	sectorsize:	   948 ops in	3.480534 sec =	  272 IOPS
	4 kbytes:		 866 ops in	3.667630 sec =	  236 IOPS
	32 kbytes:		811 ops in	3.610666 sec =	  225 IOPS
	128 kbytes:	   719 ops in	3.691450 sec =	  195 IOPS

Conclusion: Well the drives all tested fine and without a single failure. I'm still sckeptical on why there are descrepancies in test duration between these drives and what defines this. They are 7200 RPM drives so I do expect them to run a little hotter than my WD Reds and soon I will mount these HGST drives in a case and see just how warm they do get. With an open case and about the same airflow across all of them the HGST drives are 3 to 4C warmer. I'm sure I can keep them below 40C without issue. I'm not sure what I will make this move, I need to copy over all my data which should take a few hours and then get motivated to relocate the WD Reds into my backup FreeNAS unit and mount them as RDM drives. Yes, it will be a learning experience. We will see how stable this is.

 

[joeschmuck]

Just one more thing about these hard drives, by default they park the heads and spin down after a minute (I didn't actually time it yet but I will). A setting of 192 or 254 in the APM will disable this from happening an leave them running, well that is my initial tests, more will be coming. I'm of the mind that the drives should run non-stop to promote longevity of the drives unless they are rarely accessed then spinning down makes more sense.

 

[nightshade00013]

I haven't seen that problem but my system is pretty much constantly reading or writing something so they never have time to spin down.

 

[joeschmuck]

Mine went up from a count of 2 to 87+ over night and the pool was just formed, no data on it, not even the system dataset. I suspect the hard parking timer is set for 1 minute and then FreeNAS somehow polls the drive for some data and it spins up and performs the request.

 

[nightshade00013]

Very possible. Once things are setup it shouldn't be an issue though. I have a few jails doing things so the system never really sleeps unless it is powered down.